The {@link TextView} class also\n * takes care of its own scrolling, so does not require a ScrollView, but\n * using the two together is possible to achieve the effect of a text view\n * within a larger container.\n *\n *
ScrollView only supports vertical scrolling.\n *\n * @attr ref android.R.styleable#ScrollView_fillViewport\n */\npublic class ScrollerView extends FrameLayout {\n\tstatic final int ANIMATED_SCROLL_GAP = 250;\n\n\tstatic final float MAX_SCROLL_FACTOR = 0.5f;\n\n\tprivate long mLastScroll;\n\n\tprivate final Rect mTempRect = new Rect();\n\tprotected OverScroller mScroller;\n\n\t/**\n\t * Position of the last motion event.\n\t */\n\tprivate float mLastMotionY;\n\n\t/**\n\t * True when the layout has changed but the traversal has not come through yet.\n\t * Ideally the view hierarchy would keep track of this for us.\n\t */\n\tprivate boolean mIsLayoutDirty = true;\n\n\t/**\n\t * The child to give focus to in the event that a child has requested focus while the\n\t * layout is dirty. This prevents the scroll from being wrong if the child has not been\n\t * laid out before requesting focus.\n\t */\n\tprotected View mChildToScrollTo = null;\n\n\t/**\n\t * True if the user is currently dragging this ScrollView around. This is\n\t * not the same as 'is being flinged', which can be checked by\n\t * mScroller.isFinished() (flinging begins when the user lifts his finger).\n\t */\n\tprotected boolean mIsBeingDragged = false;\n\n\t/**\n\t * Determines speed during touch scrolling\n\t */\n\tprivate VelocityTracker mVelocityTracker;\n\n\t/**\n\t * When set to true, the scroll view measure its child to make it fill the currently\n\t * visible area.\n\t */\n\t@ViewDebug.ExportedProperty(category = \"layout\")\n\tprivate boolean mFillViewport;\n\n\t/**\n\t * Whether arrow scrolling is animated.\n\t */\n\tprivate boolean mSmoothScrollingEnabled = true;\n\n\tprivate int mTouchSlop;\n\tprotected int mMinimumVelocity;\n\tprivate int mMaximumVelocity;\n\n\tprivate int mOverscrollDistance;\n\tprivate int mOverflingDistance;\n\n\t/**\n\t * ID of the active pointer. This is used to retain consistency during\n\t * drags/flings if multiple pointers are used.\n\t */\n\tprivate int mActivePointerId = INVALID_POINTER;\n\n\t/**\n\t * The StrictMode \"critical time span\" objects to catch animation\n\t * stutters. Non-null when a time-sensitive animation is\n\t * in-flight. Must call finish() on them when done animating.\n\t * These are no-ops on user builds.\n\t */\n\tprivate Span mScrollStrictSpan = null; // aka \"drag\"\n\tprivate Span mFlingStrictSpan = null;\n\n\t/**\n\t * Sentinel value for no current active pointer.\n\t * Used by {@link #mActivePointerId}.\n\t */\n\tprivate static final int INVALID_POINTER = -1;\n\n\t/**\n\t * orientation of the scrollview\n\t */\n\tprotected boolean mHorizontal;\n\n\tprotected boolean mIsOrthoDragged;\n\tprivate float mLastOrthoCoord;\n\tprivate View mDownView;\n\tprivate PointF mDownCoords;\n\n\tprivate float mScrollFactor;\n\n\tpublic ScrollerView(Context context) {\n\t\tthis(context, null);\n\t}\n\n\tpublic ScrollerView(Context context, AttributeSet attrs) {\n\t\tthis(context, attrs, 0);\n\t}\n\n\tpublic ScrollerView(Context context, AttributeSet attrs, int defStyle) {\n\t\tsuper(context, attrs, defStyle);\n\t\tinitScrollView();\n\t\tsetFillViewport(true);\n\t}\n\n\tprivate void initScrollView() {\n\t\tmScroller = new OverScroller(getContext());\n\t\tsetFocusable(true);\n\t\tsetDescendantFocusability(FOCUS_AFTER_DESCENDANTS);\n\t\tsetWillNotDraw(false);\n\t\tfinal ViewConfiguration configuration = ViewConfiguration.get(getContext());\n\t\tmTouchSlop = configuration.getScaledTouchSlop();\n\t\tmMinimumVelocity = configuration.getScaledMinimumFlingVelocity();\n\t\tmMaximumVelocity = configuration.getScaledMaximumFlingVelocity();\n\t\tmOverscrollDistance = configuration.getScaledOverscrollDistance();\n\t\tmOverflingDistance = configuration.getScaledOverflingDistance();\n\t\tmDownCoords = new PointF();\n\n\t\tmScrollFactor = 64 * getContext().getResources().getDisplayMetrics().density + 0.5f;\n\t}\n\n\tpublic void setOrientation(int orientation) {\n\t\tmHorizontal = (orientation == LinearLayout.HORIZONTAL);\n\t\trequestLayout();\n\t}\n\n\t@Override\n\tpublic boolean shouldDelayChildPressedState() {\n\t\treturn true;\n\t}\n\n\t@Override\n\tprotected float getTopFadingEdgeStrength() {\n\t\tif (getChildCount() == 0) {\n\t\t\treturn 0.0f;\n\t\t}\n\t\tif (mHorizontal) {\n\t\t\tfinal int length = getHorizontalFadingEdgeLength();\n\t\t\tif (getScrollX() < length) {\n\t\t\t\treturn getScrollX() / (float) length;\n\t\t\t}\n\t\t} else {\n\t\t\tfinal int length = getVerticalFadingEdgeLength();\n\t\t\tif (getScrollY() < length) {\n\t\t\t\treturn getScrollY() / (float) length;\n\t\t\t}\n\t\t}\n\t\treturn 1.0f;\n\t}\n\n\t@Override\n\tprotected float getBottomFadingEdgeStrength() {\n\t\tif (getChildCount() == 0) {\n\t\t\treturn 0.0f;\n\t\t}\n\t\tif (mHorizontal) {\n\t\t\tfinal int length = getHorizontalFadingEdgeLength();\n\t\t\tfinal int bottomEdge = getWidth() - getPaddingRight();\n\t\t\tfinal int span = getChildAt(0).getRight() - getScrollX() - bottomEdge;\n\t\t\tif (span < length) {\n\t\t\t\treturn span / (float) length;\n\t\t\t}\n\t\t} else {\n\t\t\tfinal int length = getVerticalFadingEdgeLength();\n\t\t\tfinal int bottomEdge = getHeight() - getPaddingBottom();\n\t\t\tfinal int span = getChildAt(0).getBottom() - getScrollY() - bottomEdge;\n\t\t\tif (span < length) {\n\t\t\t\treturn span / (float) length;\n\t\t\t}\n\t\t}\n\t\treturn 1.0f;\n\t}\n\n\t/**\n\t * @return The maximum amount this scroll view will scroll in response to\n\t * an arrow event.\n\t */\n\tpublic int getMaxScrollAmount() {\n\t\treturn (int) (MAX_SCROLL_FACTOR * (mHorizontal\n\t\t\t\t? (getRight() - getLeft()) : (getBottom() - getTop())));\n\t}\n\n\n\t@Override\n\tpublic void addView(View child) {\n\t\tif (getChildCount() > 0) {\n\t\t\tthrow new IllegalStateException(\"ScrollView can host only one direct child\");\n\t\t}\n\n\t\tsuper.addView(child);\n\t}\n\n\t@Override\n\tpublic void addView(View child, int index) {\n\t\tif (getChildCount() > 0) {\n\t\t\tthrow new IllegalStateException(\"ScrollView can host only one direct child\");\n\t\t}\n\n\t\tsuper.addView(child, index);\n\t}\n\n\t@Override\n\tpublic void addView(View child, ViewGroup.LayoutParams params) {\n\t\tif (getChildCount() > 0) {\n\t\t\tthrow new IllegalStateException(\"ScrollView can host only one direct child\");\n\t\t}\n\n\t\tsuper.addView(child, params);\n\t}\n\n\t@Override\n\tpublic void addView(View child, int index, ViewGroup.LayoutParams params) {\n\t\tif (getChildCount() > 0) {\n\t\t\tthrow new IllegalStateException(\"ScrollView can host only one direct child\");\n\t\t}\n\n\t\tsuper.addView(child, index, params);\n\t}\n\n\t/**\n\t * @return Returns true this ScrollView can be scrolled\n\t */\n\tprivate boolean canScroll() {\n\t\tView child = getChildAt(0);\n\t\tif (child != null) {\n\t\t\tif (mHorizontal) {\n\t\t\t\treturn getWidth() < child.getWidth() + getPaddingLeft() + getPaddingRight();\n\t\t\t} else {\n\t\t\t\treturn getHeight() < child.getHeight() + getPaddingTop() + getPaddingBottom();\n\t\t\t}\n\t\t}\n\t\treturn false;\n\t}\n\n\t/**\n\t * Indicates whether this ScrollView's content is stretched to fill the viewport.\n\t *\n\t * @return True if the content fills the viewport, false otherwise.\n\t *\n\t * @attr ref android.R.styleable#ScrollView_fillViewport\n\t */\n\tpublic boolean isFillViewport() {\n\t\treturn mFillViewport;\n\t}\n\n\t/**\n\t * Indicates this ScrollView whether it should stretch its content height to fill\n\t * the viewport or not.\n\t *\n\t * @param fillViewport True to stretch the content's height to the viewport's\n\t * boundaries, false otherwise.\n\t *\n\t * @attr ref android.R.styleable#ScrollView_fillViewport\n\t */\n\tpublic void setFillViewport(boolean fillViewport) {\n\t\tif (fillViewport != mFillViewport) {\n\t\t\tmFillViewport = fillViewport;\n\t\t\trequestLayout();\n\t\t}\n\t}\n\n\t/**\n\t * @return Whether arrow scrolling will animate its transition.\n\t */\n\tpublic boolean isSmoothScrollingEnabled() {\n\t\treturn mSmoothScrollingEnabled;\n\t}\n\n\t/**\n\t * Set whether arrow scrolling will animate its transition.\n\t * @param smoothScrollingEnabled whether arrow scrolling will animate its transition\n\t */\n\tpublic void setSmoothScrollingEnabled(boolean smoothScrollingEnabled) {\n\t\tmSmoothScrollingEnabled = smoothScrollingEnabled;\n\t}\n\n\t@Override\n\tprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {\n\t\tsuper.onMeasure(widthMeasureSpec, heightMeasureSpec);\n\n\t\tif (!mFillViewport) {\n\t\t\treturn;\n\t\t}\n\n\t\tfinal int heightMode = MeasureSpec.getMode(heightMeasureSpec);\n\t\tif (heightMode == MeasureSpec.UNSPECIFIED) {\n\t\t\treturn;\n\t\t}\n\n\t\tif (getChildCount() > 0) {\n\t\t\tfinal View child = getChildAt(0);\n\t\t\tif (mHorizontal) {\n\t\t\t\tint width = getMeasuredWidth();\n\t\t\t\tif (child.getMeasuredWidth() < width) {\n\t\t\t\t\tfinal FrameLayout.LayoutParams lp = (LayoutParams) child\n\t\t\t\t\t\t\t.getLayoutParams();\n\n\t\t\t\t\tint childHeightMeasureSpec = getChildMeasureSpec(\n\t\t\t\t\t\t\theightMeasureSpec, getPaddingTop() + getPaddingBottom(),\n\t\t\t\t\t\t\tlp.height);\n\t\t\t\t\twidth -= getPaddingLeft();\n\t\t\t\t\twidth -= getPaddingRight();\n\t\t\t\t\tint childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(\n\t\t\t\t\t\t\twidth, MeasureSpec.EXACTLY);\n\n\t\t\t\t\tchild.measure(childWidthMeasureSpec, childHeightMeasureSpec);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tint height = getMeasuredHeight();\n\t\t\t\tif (child.getMeasuredHeight() < height) {\n\t\t\t\t\tfinal FrameLayout.LayoutParams lp = (LayoutParams) child\n\t\t\t\t\t\t\t.getLayoutParams();\n\n\t\t\t\t\tint childWidthMeasureSpec = getChildMeasureSpec(\n\t\t\t\t\t\t\twidthMeasureSpec, getPaddingLeft() + getPaddingRight(),\n\t\t\t\t\t\t\tlp.width);\n\t\t\t\t\theight -= getPaddingTop();\n\t\t\t\t\theight -= getPaddingBottom();\n\t\t\t\t\tint childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(\n\t\t\t\t\t\t\theight, MeasureSpec.EXACTLY);\n\n\t\t\t\t\tchild.measure(childWidthMeasureSpec, childHeightMeasureSpec);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t@Override\n\tpublic boolean dispatchKeyEvent(KeyEvent event) {\n\t\t// Let the focused view and/or our descendants get the key first\n\t\treturn super.dispatchKeyEvent(event) || executeKeyEvent(event);\n\t}\n\n\t/**\n\t * You can call this function yourself to have the scroll view perform\n\t * scrolling from a key event, just as if the event had been dispatched to\n\t * it by the view hierarchy.\n\t *\n\t * @param event The key event to execute.\n\t * @return Return true if the event was handled, else false.\n\t */\n\tpublic boolean executeKeyEvent(KeyEvent event) {\n\t\tmTempRect.setEmpty();\n\n\t\tif (!canScroll()) {\n\t\t\tif (isFocused() && event.getKeyCode() != KeyEvent.KEYCODE_BACK) {\n\t\t\t\tView currentFocused = findFocus();\n\t\t\t\tif (currentFocused == this) currentFocused = null;\n\t\t\t\tView nextFocused = FocusFinder.getInstance().findNextFocus(this,\n\t\t\t\t\t\tcurrentFocused, View.FOCUS_DOWN);\n\t\t\t\treturn nextFocused != null\n\t\t\t\t\t\t&& nextFocused != this\n\t\t\t\t\t\t&& nextFocused.requestFocus(View.FOCUS_DOWN);\n\t\t\t}\n\t\t\treturn false;\n\t\t}\n\n\t\tboolean handled = false;\n\t\tif (event.getAction() == KeyEvent.ACTION_DOWN) {\n\t\t\tswitch (event.getKeyCode()) {\n\t\t\tcase KeyEvent.KEYCODE_DPAD_UP:\n\t\t\t\tif (!event.isAltPressed()) {\n\t\t\t\t\thandled = arrowScroll(View.FOCUS_UP);\n\t\t\t\t} else {\n\t\t\t\t\thandled = fullScroll(View.FOCUS_UP);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase KeyEvent.KEYCODE_DPAD_DOWN:\n\t\t\t\tif (!event.isAltPressed()) {\n\t\t\t\t\thandled = arrowScroll(View.FOCUS_DOWN);\n\t\t\t\t} else {\n\t\t\t\t\thandled = fullScroll(View.FOCUS_DOWN);\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tcase KeyEvent.KEYCODE_SPACE:\n\t\t\t\tpageScroll(event.isShiftPressed() ? View.FOCUS_UP : View.FOCUS_DOWN);\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn handled;\n\t}\n\n\tprivate boolean inChild(int x, int y) {\n\t\tif (getChildCount() > 0) {\n\t\t\tfinal int scrollY = getScrollY();\n\t\t\tfinal View child = getChildAt(0);\n\t\t\treturn !(y < child.getTop() - scrollY\n\t\t\t\t\t|| y >= child.getBottom() - scrollY\n\t\t\t\t\t|| x < child.getLeft()\n\t\t\t\t\t|| x >= child.getRight());\n\t\t}\n\t\treturn false;\n\t}\n\n\tprivate void initOrResetVelocityTracker() {\n\t\tif (mVelocityTracker == null) {\n\t\t\tmVelocityTracker = VelocityTracker.obtain();\n\t\t} else {\n\t\t\tmVelocityTracker.clear();\n\t\t}\n\t}\n\n\tprivate void initVelocityTrackerIfNotExists() {\n\t\tif (mVelocityTracker == null) {\n\t\t\tmVelocityTracker = VelocityTracker.obtain();\n\t\t}\n\t}\n\n\tprivate void recycleVelocityTracker() {\n\t\tif (mVelocityTracker != null) {\n\t\t\tmVelocityTracker.recycle();\n\t\t\tmVelocityTracker = null;\n\t\t}\n\t}\n\n\t@Override\n\tpublic void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {\n\t\tif (disallowIntercept) {\n\t\t\trecycleVelocityTracker();\n\t\t}\n\t\tsuper.requestDisallowInterceptTouchEvent(disallowIntercept);\n\t}\n\n\t@Override\n\tpublic boolean onInterceptTouchEvent(MotionEvent ev) {\n\t\t/*\n\t\t * This method JUST determines whether we want to intercept the motion.\n\t\t * If we return true, onMotionEvent will be called and we do the actual\n\t\t * scrolling there.\n\t\t */\n\n\t\t/*\n\t\t * Shortcut the most recurring case: the user is in the dragging state\n\t\t * and he is moving his finger. We want to intercept this motion.\n\t\t */\n\t\tfinal int action = ev.getAction();\n\t\t\n\t\tif ((action == MotionEvent.ACTION_MOVE) && (mIsBeingDragged)) {\n\t\t\treturn true;\n\t\t}\n\t\tif ((action == MotionEvent.ACTION_MOVE) && (mIsOrthoDragged)) {\n\t\t\treturn true;\n\t\t}\n\t\tswitch (action & MotionEvent.ACTION_MASK) {\n\t\tcase MotionEvent.ACTION_MOVE: {\n\t\t\t/*\n\t\t\t * mIsBeingDragged == false, otherwise the shortcut would have\n\t\t\t * caught it. Check whether the user has moved far enough from his\n\t\t\t * original down touch.\n\t\t\t */\n\n\t\t\t/*\n\t\t\t * Locally do absolute value. mLastMotionY is set to the y value of\n\t\t\t * the down event.\n\t\t\t */\n\t\t\tfinal int activePointerId = mActivePointerId;\n\t\t\tif (activePointerId == INVALID_POINTER) {\n\t\t\t\t// If we don't have a valid id, the touch down wasn't on\n\t\t\t\t// content.\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tfinal int pointerIndex = ev.findPointerIndex(activePointerId);\n\t\t\tfinal float y = mHorizontal ? ev.getX(pointerIndex) : ev\n\t\t\t\t\t.getY(pointerIndex);\n\t\t\tfinal int yDiff = (int) Math.abs(y - mLastMotionY);\n\t\t\tif (yDiff > mTouchSlop) {\n\t\t\t\tmIsBeingDragged = true;\n\t\t\t\tmLastMotionY = y;\n\t\t\t\tinitVelocityTrackerIfNotExists();\n\t\t\t\tmVelocityTracker.addMovement(ev);\n\t\t\t\tif (mScrollStrictSpan == null) {\n\t\t\t\t\tmScrollStrictSpan = enterCriticalSpan(\"ScrollView-scroll\");\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tfinal float ocoord = mHorizontal ? ev.getY(pointerIndex) : ev\n\t\t\t\t\t\t.getX(pointerIndex);\n\t\t\t\tif (Math.abs(ocoord - mLastOrthoCoord) > mTouchSlop) {\n\t\t\t\t\tmIsOrthoDragged = true;\n\t\t\t\t\tmLastOrthoCoord = ocoord;\n\t\t\t\t\tinitVelocityTrackerIfNotExists();\n\t\t\t\t\tmVelocityTracker.addMovement(ev);\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\t}\n\n\t\tcase MotionEvent.ACTION_DOWN: {\n\t\t\tfinal float y = mHorizontal ? ev.getX() : ev.getY();\n\t\t\tmDownCoords.x = ev.getX();\n\t\t\tmDownCoords.y = ev.getY();\n\t\t\tif (!inChild((int) ev.getX(), (int) ev.getY())) {\n\t\t\t\tmIsBeingDragged = false;\n\t\t\t\trecycleVelocityTracker();\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\t/*\n\t\t\t * Remember location of down touch. ACTION_DOWN always refers to\n\t\t\t * pointer index 0.\n\t\t\t */\n\t\t\tmLastMotionY = y;\n\t\t\tmActivePointerId = ev.getPointerId(0);\n\n\t\t\tinitOrResetVelocityTracker();\n\t\t\tmVelocityTracker.addMovement(ev);\n\t\t\t/*\n\t\t\t * If being flinged and user touches the screen, initiate drag;\n\t\t\t * otherwise don't. mScroller.isFinished should be false when being\n\t\t\t * flinged.\n\t\t\t */\n\t\t\tmIsBeingDragged = !mScroller.isFinished();\n\t\t\tif (mIsBeingDragged && mScrollStrictSpan == null) {\n\t\t\t\tmScrollStrictSpan = enterCriticalSpan(\"ScrollView-scroll\");\n\t\t\t}\n\t\t\tmIsOrthoDragged = false;\n\t\t\tfinal float ocoord = mHorizontal ? ev.getY() : ev.getX();\n\t\t\tmLastOrthoCoord = ocoord;\n\t\t\tmDownView = findViewAt((int) ev.getX(), (int) ev.getY());\n\t\t\t\n\t\t\tbreak;\n\t\t}\n\n\t\tcase MotionEvent.ACTION_CANCEL:\n\t\tcase MotionEvent.ACTION_UP:\n\t\t\t/* Release the drag */\n\t\t\tmIsBeingDragged = false;\n\t\t\tmIsOrthoDragged = false;\n\t\t\tmActivePointerId = INVALID_POINTER;\n\t\t\trecycleVelocityTracker();\n\t\t\tif (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0,\n\t\t\t\t\tgetScrollRange())) {\n\t\t\t\tinvalidate();\n\t\t\t}\n\t\t\tbreak;\n\t\tcase MotionEvent.ACTION_POINTER_UP:\n\t\t\tonSecondaryPointerUp(ev);\n\t\t\tbreak;\n\t\t}\n\n\t\t/*\n\t\t * The only time we want to intercept motion events is if we are in the\n\t\t * drag mode.\n\t\t */\n\t\treturn mIsBeingDragged || mIsOrthoDragged;\n\t}\n\n\t@Override\n\tpublic boolean onTouchEvent(MotionEvent ev) {\n\t\tinitVelocityTrackerIfNotExists();\n\t\tmVelocityTracker.addMovement(ev);\n\n\t\tfinal int action = ev.getAction();\n\t\tswitch (action & MotionEvent.ACTION_MASK) {\n\t\tcase MotionEvent.ACTION_DOWN: {\n\t\t\tmIsBeingDragged = getChildCount() != 0;\n\t\t\tif (!mIsBeingDragged) {\n\t\t\t\treturn false;\n\t\t\t}\n\n\t\t\t/*\n\t\t\t * If being flinged and user touches, stop the fling. isFinished\n\t\t\t * will be false if being flinged.\n\t\t\t */\n\t\t\tif (!mScroller.isFinished()) {\n\t\t\t\tmScroller.abortAnimation();\n\t\t\t\tif (mFlingStrictSpan != null) {\n\t\t\t\t\tmFlingStrictSpan.finish();\n\t\t\t\t\tmFlingStrictSpan = null;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remember where the motion event started\n\t\t\tmLastMotionY = mHorizontal ? ev.getX() : ev.getY();\n\t\t\tmActivePointerId = ev.getPointerId(0);\n\t\t\tbreak;\n\t\t}\n\t\tcase MotionEvent.ACTION_MOVE:\n\t\t\t\n\t\t\tfinal int activePointerIndex = ev.findPointerIndex(mActivePointerId);\n\t\t\tfinal float x = ev.getX(activePointerIndex);\n\t\t\tfloat y = ev.getY(activePointerIndex);\n\t\t\t\n//\t\t\tif (mIsOrthoDragged) {\n\t\t\tif (isOrthoMove(x - mDownCoords.x, y - mDownCoords.y)) {\n\t\t\t\tmIsOrthoDragged = true;\n\t\t\t\t// Scroll to follow the motion event\n//\t\t\t\tfinal int activePointerIndex = ev.findPointerIndex(mActivePointerId);\n//\t\t\t\tfinal float x = ev.getX(activePointerIndex);\n//\t\t\t\tfinal float y = ev.getY(activePointerIndex);\n//\t\t\t\tif (isOrthoMove(x - mDownCoords.x, y - mDownCoords.y)) {\n\t\t\t\t\tonOrthoDrag(mDownView, mHorizontal\n\t\t\t\t\t\t\t? y - mDownCoords.y\n\t\t\t\t\t\t\t\t\t: x - mDownCoords.x);\n//\t\t\t\t}\n\t\t\t} else if (mIsBeingDragged) {\n\t\t\t\t// Scroll to follow the motion event\n//\t\t\t\tfinal int activePointerIndex = ev.findPointerIndex(mActivePointerId);\n//\t\t\t\tfinal float y = mHorizontal ? ev.getX(activePointerIndex) : ev.getY(activePointerIndex);\n\t\t\t\ty = mHorizontal ? ev.getX(activePointerIndex) : ev.getY(activePointerIndex);\n\t\t\t\tfinal int deltaY = (int) (mLastMotionY - y);\n\t\t\t\tmLastMotionY = y;\n\n\t\t\t\tfinal int oldX = getScrollX();\n\t\t\t\tfinal int oldY = getScrollY();\n\t\t\t\tfinal int range = getScrollRange();\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tif (overScrollBy(deltaY, 0, getScrollX(), 0, range, 0,\n\t\t\t\t\t\t\tmOverscrollDistance, 0, true)) {\n\t\t\t\t\t\t// Break our velocity if we hit a scroll barrier.\n\t\t\t\t\t\tmVelocityTracker.clear();\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tif (overScrollBy(0, deltaY, 0, getScrollY(), 0, range,\n\t\t\t\t\t\t\t0, mOverscrollDistance, true)) {\n\t\t\t\t\t\t// Break our velocity if we hit a scroll barrier.\n\t\t\t\t\t\tmVelocityTracker.clear();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tonScrollChanged(getScrollX(), getScrollY(), oldX, oldY);\n\n\t\t\t\tfinal int overscrollMode = getOverScrollMode();\n\t\t\t\tif (overscrollMode == OVER_SCROLL_ALWAYS ||\n\t\t\t\t\t\t(overscrollMode == OVER_SCROLL_IF_CONTENT_SCROLLS && range > 0)) {\n\t\t\t\t\tfinal int pulledToY = mHorizontal ? oldX + deltaY : oldY + deltaY;\n\t\t\t\t\tif (pulledToY < 0) {\n\t\t\t\t\t\tonPull(pulledToY);\n\t\t\t\t\t} else if (pulledToY > range) {\n\t\t\t\t\t\tonPull(pulledToY - range);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tonPull(0);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\tcase MotionEvent.ACTION_UP:\n\t\t\tfinal VelocityTracker vtracker = mVelocityTracker;\n\t\t\tvtracker.computeCurrentVelocity(1000, mMaximumVelocity);\n\t\t\tif (isOrthoMove(vtracker.getXVelocity(mActivePointerId),\n\t\t\t\t\tvtracker.getYVelocity(mActivePointerId))\n\t\t\t\t\t&& mMinimumVelocity < Math.abs((mHorizontal ? vtracker.getYVelocity()\n\t\t\t\t\t\t\t: vtracker.getXVelocity()))) {\n\t\t\t\tonOrthoFling(mDownView, mHorizontal ? vtracker.getYVelocity()\n\t\t\t\t\t\t: vtracker.getXVelocity());\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (mIsOrthoDragged) {\n\t\t\t\tonOrthoDragFinished(mDownView);\n\t\t\t\tmActivePointerId = INVALID_POINTER;\n\t\t\t\tendDrag();\n\t\t\t} else if (mIsBeingDragged) {\n\t\t\t\tfinal VelocityTracker velocityTracker = mVelocityTracker;\n\t\t\t\tvelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);\n\t\t\t\tint initialVelocity = mHorizontal\n\t\t\t\t\t\t? (int) velocityTracker.getXVelocity(mActivePointerId)\n\t\t\t\t\t\t\t\t: (int) velocityTracker.getYVelocity(mActivePointerId);\n\n\t\t\t\t\t\tif (getChildCount() > 0) {\n\t\t\t\t\t\t\tif ((Math.abs(initialVelocity) > mMinimumVelocity)) {\n\t\t\t\t\t\t\t\tfling(-initialVelocity);\n\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\tfinal int bottom = getScrollRange();\n\t\t\t\t\t\t\t\tif (mHorizontal) {\n\t\t\t\t\t\t\t\t\tif (mScroller.springBack(getScrollX(), getScrollY(), 0, bottom, 0, 0)) {\n\t\t\t\t\t\t\t\t\t\tinvalidate();\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t\t\tif (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, bottom)) {\n\t\t\t\t\t\t\t\t\t\tinvalidate();\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tonPull(0);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tmActivePointerId = INVALID_POINTER;\n\t\t\t\t\t\tendDrag();\n\t\t\t}\n\t\t\tbreak;\n\t\tcase MotionEvent.ACTION_CANCEL:\n\t\t\tif (mIsOrthoDragged) {\n\t\t\t\tonOrthoDragFinished(mDownView);\n\t\t\t\tmActivePointerId = INVALID_POINTER;\n\t\t\t\tendDrag();\n\t\t\t} else if (mIsBeingDragged && getChildCount() > 0) {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tif (mScroller.springBack(getScrollX(), getScrollY(), 0, getScrollRange(), 0, 0)) {\n\t\t\t\t\t\tinvalidate();\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tif (mScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange())) {\n\t\t\t\t\t\tinvalidate();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tmActivePointerId = INVALID_POINTER;\n\t\t\t\tendDrag();\n\t\t\t}\n\t\t\tbreak;\n\t\tcase MotionEvent.ACTION_POINTER_DOWN: {\n\t\t\tfinal int index = ev.getActionIndex();\n//\t\t\tfinal float y = mHorizontal ? ev.getX(index) : ev.getY(index);\n\t\t\ty = mHorizontal ? ev.getX(index) : ev.getY(index);\n\t\t\tmLastMotionY = y;\n\t\t\tmLastOrthoCoord = mHorizontal ? ev.getY(index) : ev.getX(index);\n\t\t\tmActivePointerId = ev.getPointerId(index);\n\t\t\tbreak;\n\t\t}\n\t\tcase MotionEvent.ACTION_POINTER_UP:\n\t\t\tonSecondaryPointerUp(ev);\n\t\t\tmLastMotionY = mHorizontal\n\t\t\t\t\t? ev.getX(ev.findPointerIndex(mActivePointerId))\n\t\t\t\t\t\t\t: ev.getY(ev.findPointerIndex(mActivePointerId));\n\t\t\t\t\tbreak;\n\t\t}\n\t\treturn true;\n\t}\n\n\tprotected View findViewAt(int x, int y) {\n\t\t// subclass responsibility\n\t\treturn null;\n\t}\n\n\tprotected void onPull(int delta) {\n\t}\n\n\tprivate void onSecondaryPointerUp(MotionEvent ev) {\n\t\tfinal int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) >>\n\t\tMotionEvent.ACTION_POINTER_INDEX_SHIFT;\n\t\tfinal int pointerId = ev.getPointerId(pointerIndex);\n\t\tif (pointerId == mActivePointerId) {\n\t\t\t// This was our active pointer going up. Choose a new\n\t\t\t// active pointer and adjust accordingly.\n\t\t\t// TODO: Make this decision more intelligent.\n\t\t\tfinal int newPointerIndex = pointerIndex == 0 ? 1 : 0;\n\t\t\tmLastMotionY = mHorizontal ? ev.getX(newPointerIndex) : ev.getY(newPointerIndex);\n\t\t\tmActivePointerId = ev.getPointerId(newPointerIndex);\n\t\t\tif (mVelocityTracker != null) {\n\t\t\t\tmVelocityTracker.clear();\n\t\t\t}\n\t\t\tmLastOrthoCoord = mHorizontal ? ev.getY(newPointerIndex)\n\t\t\t\t\t: ev.getX(newPointerIndex);\n\t\t}\n\t}\n\n\t@Override\n\tpublic boolean onGenericMotionEvent(MotionEvent event) {\n\t\tif ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {\n\t\t\tswitch (event.getAction()) {\n\t\t\tcase MotionEvent.ACTION_SCROLL: {\n\t\t\t\tif (!mIsBeingDragged) {\n\t\t\t\t\tif (mHorizontal) {\n\t\t\t\t\t\tfinal float hscroll = event\n\t\t\t\t\t\t\t\t.getAxisValue(MotionEvent.AXIS_HSCROLL);\n\t\t\t\t\t\tif (hscroll != 0) {\n\t\t\t\t\t\t\tfinal int delta = (int) (hscroll * mScrollFactor);\t//getHorizontalScrollFactor()\n\t\t\t\t\t\t\tfinal int range = getScrollRange();\n\t\t\t\t\t\t\tint oldScrollX = getScrollX();\n\t\t\t\t\t\t\tint newScrollX = oldScrollX - delta;\n\t\t\t\t\t\t\tif (newScrollX < 0) {\n\t\t\t\t\t\t\t\tnewScrollX = 0;\n\t\t\t\t\t\t\t} else if (newScrollX > range) {\n\t\t\t\t\t\t\t\tnewScrollX = range;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif (newScrollX != oldScrollX) {\n\t\t\t\t\t\t\t\tsuper.scrollTo(newScrollX, getScrollY());\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tfinal float vscroll = event\n\t\t\t\t\t\t\t\t.getAxisValue(MotionEvent.AXIS_VSCROLL);\n\t\t\t\t\t\tif (vscroll != 0) {\n\t\t\t\t\t\t\tfinal int delta = (int) (vscroll * mScrollFactor);\t//getVerticalScrollFactor()\n\t\t\t\t\t\t\tfinal int range = getScrollRange();\n\t\t\t\t\t\t\tint oldScrollY = getScrollY();\n\t\t\t\t\t\t\tint newScrollY = oldScrollY - delta;\n\t\t\t\t\t\t\tif (newScrollY < 0) {\n\t\t\t\t\t\t\t\tnewScrollY = 0;\n\t\t\t\t\t\t\t} else if (newScrollY > range) {\n\t\t\t\t\t\t\t\tnewScrollY = range;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif (newScrollY != oldScrollY) {\n\t\t\t\t\t\t\t\tsuper.scrollTo(getScrollX(), newScrollY);\n\t\t\t\t\t\t\t\treturn true;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn super.onGenericMotionEvent(event);\n\t}\n\n\tprotected void onOrthoDrag(View draggedView, float distance) {\n\t}\n\n\tprotected void onOrthoDragFinished(View draggedView) {\n\t}\n\n\tprotected void onOrthoFling(View draggedView, float velocity) {\n\t}\n\n\t@Override\n\tprotected void onOverScrolled(int scrollX, int scrollY,\n\t\t\tboolean clampedX, boolean clampedY) {\n\t\t// Treat animating scrolls differently; see #computeScroll() for why.\n\t\tif (!mScroller.isFinished()) {\n\t\t\tsetScrollX(scrollX);\n\t\t\tsetScrollY(scrollY);\n\t\t\tinvalidateParentIfNeeded();\n\t\t\tif (mHorizontal && clampedX) {\n\t\t\t\tmScroller.springBack(getScrollX(), getScrollY(), 0, getScrollRange(), 0, 0);\n\t\t\t} else if (!mHorizontal && clampedY) {\n\t\t\t\tmScroller.springBack(getScrollX(), getScrollY(), 0, 0, 0, getScrollRange());\n\t\t\t}\n\t\t} else {\n\t\t\tsuper.scrollTo(scrollX, scrollY);\n\t\t}\n\t\tawakenScrollBars();\n\t}\n\n\t@Override\n\tpublic void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {\n\t\tsuper.onInitializeAccessibilityNodeInfo(info);\n\t\tinfo.setScrollable(true);\n\t}\n\n\t@Override\n\tpublic void onInitializeAccessibilityEvent(AccessibilityEvent event) {\n\t\tsuper.onInitializeAccessibilityEvent(event);\n\t\tevent.setScrollable(true);\n\t}\n\n\t@Override\n\tpublic boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {\n\t\t// Do not append text content to scroll events they are fired frequently\n\t\t// and the client has already received another event type with the text.\n\t\tif (event.getEventType() != AccessibilityEvent.TYPE_VIEW_SCROLLED) {\n\t\t\tsuper.dispatchPopulateAccessibilityEvent(event);\n\t\t}\n\t\treturn false;\n\t}\n\n\tprivate int getScrollRange() {\n\t\tint scrollRange = 0;\n\t\tif (getChildCount() > 0) {\n\t\t\tView child = getChildAt(0);\n\t\t\tif (mHorizontal) {\n\t\t\t\tscrollRange = Math.max(0,\n\t\t\t\t\t\tchild.getWidth() - (getWidth() - getPaddingRight() - getPaddingLeft()));\n\t\t\t} else {\n\t\t\t\tscrollRange = Math.max(0,\n\t\t\t\t\t\tchild.getHeight() - (getHeight() - getPaddingBottom() - getPaddingTop()));\n\t\t\t}\n\t\t}\n\t\treturn scrollRange;\n\t}\n\n\t/**\n\t *
\n\t * Finds the next focusable component that fits in the specified bounds.\n\t *
\n\t *\n\t * @param topFocus look for a candidate is the one at the top of the bounds\n\t * if topFocus is true, or at the bottom of the bounds if topFocus is\n\t * false\n\t * @param top the top offset of the bounds in which a focusable must be\n\t * found\n\t * @param bottom the bottom offset of the bounds in which a focusable must\n\t * be found\n\t * @return the next focusable component in the bounds or null if none can\n\t * be found\n\t */\n\tprivate View findFocusableViewInBounds(boolean topFocus, int top, int bottom) {\n\n\t\tList focusables = getFocusables(View.FOCUS_FORWARD);\n\t\tView focusCandidate = null;\n\n\t\t/*\n\t\t * A fully contained focusable is one where its top is below the bound's\n\t\t * top, and its bottom is above the bound's bottom. A partially\n\t\t * contained focusable is one where some part of it is within the\n\t\t * bounds, but it also has some part that is not within bounds. A fully contained\n\t\t * focusable is preferred to a partially contained focusable.\n\t\t */\n\t\tboolean foundFullyContainedFocusable = false;\n\n\t\tint count = focusables.size();\n\t\tfor (int i = 0; i < count; i++) {\n\t\t\tView view = focusables.get(i);\n\t\t\tint viewTop = mHorizontal ? view.getLeft() : view.getTop();\n\t\t\tint viewBottom = mHorizontal ? view.getRight() : view.getBottom();\n\n\t\t\tif (top < viewBottom && viewTop < bottom) {\n\t\t\t\t/*\n\t\t\t\t * the focusable is in the target area, it is a candidate for\n\t\t\t\t * focusing\n\t\t\t\t */\n\n\t\t\t\tfinal boolean viewIsFullyContained = (top < viewTop) &&\n\t\t\t\t\t\t(viewBottom < bottom);\n\n\t\t\t\tif (focusCandidate == null) {\n\t\t\t\t\t/* No candidate, take this one */\n\t\t\t\t\tfocusCandidate = view;\n\t\t\t\t\tfoundFullyContainedFocusable = viewIsFullyContained;\n\t\t\t\t} else {\n\t\t\t\t\tfinal int ctop = mHorizontal ? focusCandidate.getLeft() : focusCandidate.getTop();\n\t\t\t\t\tfinal int cbot = mHorizontal ? focusCandidate.getRight() : focusCandidate.getBottom();\n\t\t\t\t\tfinal boolean viewIsCloserToBoundary =\n\t\t\t\t\t\t\t(topFocus && viewTop < ctop) ||\n\t\t\t\t\t\t\t(!topFocus && viewBottom > cbot);\n\n\t\t\t\t\tif (foundFullyContainedFocusable) {\n\t\t\t\t\t\tif (viewIsFullyContained && viewIsCloserToBoundary) {\n\t\t\t\t\t\t\t/*\n\t\t\t\t\t\t\t * We're dealing with only fully contained views, so\n\t\t\t\t\t\t\t * it has to be closer to the boundary to beat our\n\t\t\t\t\t\t\t * candidate\n\t\t\t\t\t\t\t */\n\t\t\t\t\t\t\tfocusCandidate = view;\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tif (viewIsFullyContained) {\n\t\t\t\t\t\t\t/* Any fully contained view beats a partially contained view */\n\t\t\t\t\t\t\tfocusCandidate = view;\n\t\t\t\t\t\t\tfoundFullyContainedFocusable = true;\n\t\t\t\t\t\t} else if (viewIsCloserToBoundary) {\n\t\t\t\t\t\t\t/*\n\t\t\t\t\t\t\t * Partially contained view beats another partially\n\t\t\t\t\t\t\t * contained view if it's closer\n\t\t\t\t\t\t\t */\n\t\t\t\t\t\t\tfocusCandidate = view;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn focusCandidate;\n\t}\n\n\t// i was here\n\n\t/**\n\t * Handles scrolling in response to a \"page up/down\" shortcut press. This\n\t * method will scroll the view by one page up or down and give the focus\n\t * to the topmost/bottommost component in the new visible area. If no\n\t * component is a good candidate for focus, this scrollview reclaims the\n\t * focus.
\n\t *\n\t * @param direction the scroll direction: {@link android.view.View#FOCUS_UP}\n\t * to go one page up or\n\t * {@link android.view.View#FOCUS_DOWN} to go one page down\n\t * @return true if the key event is consumed by this method, false otherwise\n\t */\n\tpublic boolean pageScroll(int direction) {\n\t\tboolean down = direction == View.FOCUS_DOWN;\n\t\tint height = getHeight();\n\n\t\tif (down) {\n\t\t\tmTempRect.top = getScrollY() + height;\n\t\t\tint count = getChildCount();\n\t\t\tif (count > 0) {\n\t\t\t\tView view = getChildAt(count - 1);\n\t\t\t\tif (mTempRect.top + height > view.getBottom()) {\n\t\t\t\t\tmTempRect.top = view.getBottom() - height;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tmTempRect.top = getScrollY() - height;\n\t\t\tif (mTempRect.top < 0) {\n\t\t\t\tmTempRect.top = 0;\n\t\t\t}\n\t\t}\n\t\tmTempRect.bottom = mTempRect.top + height;\n\n\t\treturn scrollAndFocus(direction, mTempRect.top, mTempRect.bottom);\n\t}\n\n\t/**\n\t * Handles scrolling in response to a \"home/end\" shortcut press. This\n\t * method will scroll the view to the top or bottom and give the focus\n\t * to the topmost/bottommost component in the new visible area. If no\n\t * component is a good candidate for focus, this scrollview reclaims the\n\t * focus.
\n\t *\n\t * @param direction the scroll direction: {@link android.view.View#FOCUS_UP}\n\t * to go the top of the view or\n\t * {@link android.view.View#FOCUS_DOWN} to go the bottom\n\t * @return true if the key event is consumed by this method, false otherwise\n\t */\n\tpublic boolean fullScroll(int direction) {\n\t\tboolean down = direction == View.FOCUS_DOWN;\n\t\tint height = getHeight();\n\n\t\tmTempRect.top = 0;\n\t\tmTempRect.bottom = height;\n\n\t\tif (down) {\n\t\t\tint count = getChildCount();\n\t\t\tif (count > 0) {\n\t\t\t\tView view = getChildAt(count - 1);\n\t\t\t\tmTempRect.bottom = view.getBottom() + getPaddingBottom();\n\t\t\t\tmTempRect.top = mTempRect.bottom - height;\n\t\t\t}\n\t\t}\n\n\t\treturn scrollAndFocus(direction, mTempRect.top, mTempRect.bottom);\n\t}\n\n\t/**\n\t * Scrolls the view to make the area defined by top and\n\t * bottom visible. This method attempts to give the focus\n\t * to a component visible in this area. If no component can be focused in\n\t * the new visible area, the focus is reclaimed by this ScrollView.
\n\t *\n\t * @param direction the scroll direction: {@link android.view.View#FOCUS_UP}\n\t * to go upward, {@link android.view.View#FOCUS_DOWN} to downward\n\t * @param top the top offset of the new area to be made visible\n\t * @param bottom the bottom offset of the new area to be made visible\n\t * @return true if the key event is consumed by this method, false otherwise\n\t */\n\tprivate boolean scrollAndFocus(int direction, int top, int bottom) {\n\t\tboolean handled = true;\n\n\t\tint height = getHeight();\n\t\tint containerTop = getScrollY();\n\t\tint containerBottom = containerTop + height;\n\t\tboolean up = direction == View.FOCUS_UP;\n\n\t\tView newFocused = findFocusableViewInBounds(up, top, bottom);\n\t\tif (newFocused == null) {\n\t\t\tnewFocused = this;\n\t\t}\n\n\t\tif (top >= containerTop && bottom <= containerBottom) {\n\t\t\thandled = false;\n\t\t} else {\n\t\t\tint delta = up ? (top - containerTop) : (bottom - containerBottom);\n\t\t\tdoScrollY(delta);\n\t\t}\n\n\t\tif (newFocused != findFocus()) newFocused.requestFocus(direction);\n\n\t\treturn handled;\n\t}\n\n\t/**\n\t * Handle scrolling in response to an up or down arrow click.\n\t *\n\t * @param direction The direction corresponding to the arrow key that was\n\t * pressed\n\t * @return True if we consumed the event, false otherwise\n\t */\n\tpublic boolean arrowScroll(int direction) {\n\n\t\tView currentFocused = findFocus();\n\t\tif (currentFocused == this) currentFocused = null;\n\n\t\tView nextFocused = FocusFinder.getInstance().findNextFocus(this, currentFocused, direction);\n\n\t\tfinal int maxJump = getMaxScrollAmount();\n\n\t\tif (nextFocused != null && isWithinDeltaOfScreen(nextFocused, maxJump, getHeight())) {\n\t\t\tnextFocused.getDrawingRect(mTempRect);\n\t\t\toffsetDescendantRectToMyCoords(nextFocused, mTempRect);\n\t\t\tint scrollDelta = computeScrollDeltaToGetChildRectOnScreen(mTempRect);\n\t\t\tdoScrollY(scrollDelta);\n\t\t\tnextFocused.requestFocus(direction);\n\t\t} else {\n\t\t\t// no new focus\n\t\t\tint scrollDelta = maxJump;\n\n\t\t\tif (direction == View.FOCUS_UP && getScrollY() < scrollDelta) {\n\t\t\t\tscrollDelta = getScrollY();\n\t\t\t} else if (direction == View.FOCUS_DOWN) {\n\t\t\t\tif (getChildCount() > 0) {\n\t\t\t\t\tint daBottom = getChildAt(0).getBottom();\n\t\t\t\t\tint screenBottom = getScrollY() + getHeight() - getPaddingBottom();\n\t\t\t\t\tif (daBottom - screenBottom < maxJump) {\n\t\t\t\t\t\tscrollDelta = daBottom - screenBottom;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (scrollDelta == 0) {\n\t\t\t\treturn false;\n\t\t\t}\n\t\t\tdoScrollY(direction == View.FOCUS_DOWN ? scrollDelta : -scrollDelta);\n\t\t}\n\n\t\tif (currentFocused != null && currentFocused.isFocused()\n\t\t\t\t&& isOffScreen(currentFocused)) {\n\t\t\t// previously focused item still has focus and is off screen, give\n\t\t\t// it up (take it back to ourselves)\n\t\t\t// (also, need to temporarily force FOCUS_BEFORE_DESCENDANTS so we are\n\t\t\t// sure to\n\t\t\t// get it)\n\t\t\tfinal int descendantFocusability = getDescendantFocusability(); // save\n\t\t\tsetDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS);\n\t\t\trequestFocus();\n\t\t\tsetDescendantFocusability(descendantFocusability); // restore\n\t\t}\n\t\treturn true;\n\t}\n\n\tprivate boolean isOrthoMove(float moveX, float moveY) {\n\t\treturn mHorizontal && Math.abs(moveY) > Math.abs(moveX)\n\t\t\t\t|| !mHorizontal && Math.abs(moveX) > Math.abs(moveY);\n\t}\n\n\t/**\n\t * @return whether the descendant of this scroll view is scrolled off\n\t * screen.\n\t */\n\tprivate boolean isOffScreen(View descendant) {\n\t\tif (mHorizontal) {\n\t\t\treturn !isWithinDeltaOfScreen(descendant, getWidth(), 0);\n\t\t} else {\n\t\t\treturn !isWithinDeltaOfScreen(descendant, 0, getHeight());\n\t\t}\n\t}\n\n\t/**\n\t * @return whether the descendant of this scroll view is within delta\n\t * pixels of being on the screen.\n\t */\n\tprivate boolean isWithinDeltaOfScreen(View descendant, int delta, int height) {\n\t\tdescendant.getDrawingRect(mTempRect);\n\t\toffsetDescendantRectToMyCoords(descendant, mTempRect);\n\t\tif (mHorizontal) {\n\t\t\treturn (mTempRect.right + delta) >= getScrollX()\n\t\t\t\t\t&& (mTempRect.left - delta) <= (getScrollX() + height);\n\t\t} else {\n\t\t\treturn (mTempRect.bottom + delta) >= getScrollY()\n\t\t\t\t\t&& (mTempRect.top - delta) <= (getScrollY() + height);\n\t\t}\n\t}\n\n\t/**\n\t * Smooth scroll by a Y delta\n\t *\n\t * @param delta the number of pixels to scroll by on the Y axis\n\t */\n\tprivate void doScrollY(int delta) {\n\t\tif (delta != 0) {\n\t\t\tif (mSmoothScrollingEnabled) {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tsmoothScrollBy(0, delta);\n\t\t\t\t} else {\n\t\t\t\t\tsmoothScrollBy(delta, 0);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tscrollBy(0, delta);\n\t\t\t\t} else {\n\t\t\t\t\tscrollBy(delta, 0);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Like {@link View#scrollBy}, but scroll smoothly instead of immediately.\n\t *\n\t * @param dx the number of pixels to scroll by on the X axis\n\t * @param dy the number of pixels to scroll by on the Y axis\n\t */\n\tpublic final void smoothScrollBy(int dx, int dy) {\n\t\tif (getChildCount() == 0) {\n\t\t\t// Nothing to do.\n\t\t\treturn;\n\t\t}\n\t\tlong duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll;\n\t\tif (duration > ANIMATED_SCROLL_GAP) {\n\t\t\tif (mHorizontal) {\n\t\t\t\tfinal int width = getWidth() - getPaddingRight() - getPaddingLeft();\n\t\t\t\tfinal int right = getChildAt(0).getWidth();\n\t\t\t\tfinal int maxX = Math.max(0, right - width);\n\t\t\t\tfinal int scrollX = getScrollX();\n\t\t\t\tdx = Math.max(0, Math.min(scrollX + dx, maxX)) - scrollX;\n\t\t\t\tmScroller.startScroll(scrollX, getScrollY(), dx, 0);\n\t\t\t} else {\n\t\t\t\tfinal int height = getHeight() - getPaddingBottom() - getPaddingTop();\n\t\t\t\tfinal int bottom = getChildAt(0).getHeight();\n\t\t\t\tfinal int maxY = Math.max(0, bottom - height);\n\t\t\t\tfinal int scrollY = getScrollY();\n\t\t\t\tdy = Math.max(0, Math.min(scrollY + dy, maxY)) - scrollY;\n\t\t\t\tmScroller.startScroll(getScrollX(), scrollY, 0, dy);\n\t\t\t}\n\t\t\tinvalidate();\n\t\t} else {\n\t\t\tif (!mScroller.isFinished()) {\n\t\t\t\tmScroller.abortAnimation();\n\t\t\t\tif (mFlingStrictSpan != null) {\n\t\t\t\t\tmFlingStrictSpan.finish();\n\t\t\t\t\tmFlingStrictSpan = null;\n\t\t\t\t}\n\t\t\t}\n\t\t\tscrollBy(dx, dy);\n\t\t}\n\t\tmLastScroll = AnimationUtils.currentAnimationTimeMillis();\n\t}\n\n\t/**\n\t * Like {@link #scrollTo}, but scroll smoothly instead of immediately.\n\t *\n\t * @param x the position where to scroll on the X axis\n\t * @param y the position where to scroll on the Y axis\n\t */\n\tpublic final void smoothScrollTo(int x, int y) {\n\t\tsmoothScrollBy(x - getScrollX(), y - getScrollY());\n\t}\n\n\t/**\n\t * \n\t * The scroll range of a scroll view is the overall height of all of its\n\t * children.\n\t *
\n\t */\n\t@Override\n\tprotected int computeVerticalScrollRange() {\n\t\tif (mHorizontal) {\n\t\t\treturn super.computeVerticalScrollRange();\n\t\t}\n\t\tfinal int count = getChildCount();\n\t\tfinal int contentHeight = getHeight() - getPaddingBottom() - getPaddingTop();\n\t\tif (count == 0) {\n\t\t\treturn contentHeight;\n\t\t}\n\n\t\tint scrollRange = getChildAt(0).getBottom();\n\t\tfinal int scrollY = getScrollY();\n\t\tfinal int overscrollBottom = Math.max(0, scrollRange - contentHeight);\n\t\tif (scrollY < 0) {\n\t\t\tscrollRange -= scrollY;\n\t\t} else if (scrollY > overscrollBottom) {\n\t\t\tscrollRange += scrollY - overscrollBottom;\n\t\t}\n\n\t\treturn scrollRange;\n\t}\n\n\t/**\n\t * \n\t * The scroll range of a scroll view is the overall height of all of its\n\t * children.\n\t *
\n\t */\n\t@Override\n\tprotected int computeHorizontalScrollRange() {\n\t\tif (!mHorizontal) {\n\t\t\treturn super.computeHorizontalScrollRange();\n\t\t}\n\t\tfinal int count = getChildCount();\n\t\tfinal int contentWidth = getWidth() - getPaddingRight() - getPaddingLeft();\n\t\tif (count == 0) {\n\t\t\treturn contentWidth;\n\t\t}\n\n\t\tint scrollRange = getChildAt(0).getRight();\n\t\tfinal int scrollX = getScrollX();\n\t\tfinal int overscrollBottom = Math.max(0, scrollRange - contentWidth);\n\t\tif (scrollX < 0) {\n\t\t\tscrollRange -= scrollX;\n\t\t} else if (scrollX > overscrollBottom) {\n\t\t\tscrollRange += scrollX - overscrollBottom;\n\t\t}\n\n\t\treturn scrollRange;\n\t}\n\n\t@Override\n\tprotected int computeVerticalScrollOffset() {\n\t\treturn Math.max(0, super.computeVerticalScrollOffset());\n\t}\n\n\t@Override\n\tprotected int computeHorizontalScrollOffset() {\n\t\treturn Math.max(0, super.computeHorizontalScrollOffset());\n\t}\n\n\t@Override\n\tprotected void measureChild(View child, int parentWidthMeasureSpec, int parentHeightMeasureSpec) {\n\t\tViewGroup.LayoutParams lp = child.getLayoutParams();\n\n\t\tint childWidthMeasureSpec;\n\t\tint childHeightMeasureSpec;\n\n\t\tif (mHorizontal) {\n\t\t\tchildHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, getPaddingTop()\n\t\t\t\t\t+ getPaddingBottom(), lp.height);\n\n\t\t\tchildWidthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);\n\t\t} else {\n\t\t\tchildWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec, getPaddingLeft()\n\t\t\t\t\t+ getPaddingRight(), lp.width);\n\n\t\t\tchildHeightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);\n\t\t}\n\n\t\tchild.measure(childWidthMeasureSpec, childHeightMeasureSpec);\n\t}\n\n\t@Override\n\tprotected void measureChildWithMargins(View child, int parentWidthMeasureSpec, int widthUsed,\n\t\t\tint parentHeightMeasureSpec, int heightUsed) {\n\t\tfinal MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams();\n\n\t\tint childWidthMeasureSpec;\n\t\tint childHeightMeasureSpec;\n\t\tif (mHorizontal) {\n\t\t\tchildHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec,\n\t\t\t\t\tgetPaddingTop() + getPaddingBottom() + lp.topMargin + lp.bottomMargin\n\t\t\t\t\t+ heightUsed, lp.height);\n\t\t\tchildWidthMeasureSpec = MeasureSpec.makeMeasureSpec(\n\t\t\t\t\tlp.leftMargin + lp.rightMargin, MeasureSpec.UNSPECIFIED);\n\t\t} else {\n\t\t\tchildWidthMeasureSpec = getChildMeasureSpec(parentWidthMeasureSpec,\n\t\t\t\t\tgetPaddingLeft() + getPaddingRight() + lp.leftMargin + lp.rightMargin\n\t\t\t\t\t+ widthUsed, lp.width);\n\t\t\tchildHeightMeasureSpec = MeasureSpec.makeMeasureSpec(\n\t\t\t\t\tlp.topMargin + lp.bottomMargin, MeasureSpec.UNSPECIFIED);\n\t\t}\n\t\tchild.measure(childWidthMeasureSpec, childHeightMeasureSpec);\n\t}\n\n\t@Override\n\tpublic void computeScroll() {\n\t\tif (mScroller.computeScrollOffset()) {\n\t\t\t// This is called at drawing time by ViewGroup. We don't want to\n\t\t\t// re-show the scrollbars at this point, which scrollTo will do,\n\t\t\t// so we replicate most of scrollTo here.\n\t\t\t//\n\t\t\t// It's a little odd to call onScrollChanged from inside the drawing.\n\t\t\t//\n\t\t\t// It is, except when you remember that computeScroll() is used to\n\t\t\t// animate scrolling. So unless we want to defer the onScrollChanged()\n\t\t\t// until the end of the animated scrolling, we don't really have a\n\t\t\t// choice here.\n\t\t\t//\n\t\t\t// I agree. The alternative, which I think would be worse, is to post\n\t\t\t// something and tell the subclasses later. This is bad because there\n\t\t\t// will be a window where mScrollX/Y is different from what the app\n\t\t\t// thinks it is.\n\t\t\t//\n\t\t\tint oldX = getScrollX();\n\t\t\tint oldY = getScrollY();\n\t\t\tint x = mScroller.getCurrX();\n\t\t\tint y = mScroller.getCurrY();\n\n\t\t\tif (oldX != x || oldY != y) {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\toverScrollBy(x - oldX, y - oldY, oldX, oldY, getScrollRange(), 0,\n\t\t\t\t\t\t\tmOverflingDistance, 0, false);\n\t\t\t\t} else {\n\t\t\t\t\toverScrollBy(x - oldX, y - oldY, oldX, oldY, 0, getScrollRange(),\n\t\t\t\t\t\t\t0, mOverflingDistance, false);\n\t\t\t\t}\n\t\t\t\tonScrollChanged(getScrollX(), getScrollY(), oldX, oldY);\n\t\t\t}\n\t\t\tawakenScrollBars();\n\n\t\t\t// Keep on drawing until the animation has finished.\n\t\t\tpostInvalidate();\n\t\t} else {\n\t\t\tif (mFlingStrictSpan != null) {\n\t\t\t\tmFlingStrictSpan.finish();\n\t\t\t\tmFlingStrictSpan = null;\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Scrolls the view to the given child.\n\t *\n\t * @param child the View to scroll to\n\t */\n\tprivate void scrollToChild(View child) {\n\t\tchild.getDrawingRect(mTempRect);\n\n\t\t/* Offset from child's local coordinates to ScrollView coordinates */\n\t\toffsetDescendantRectToMyCoords(child, mTempRect);\n\t\tscrollToChildRect(mTempRect, true);\n\t}\n\n\t/**\n\t * If rect is off screen, scroll just enough to get it (or at least the\n\t * first screen size chunk of it) on screen.\n\t *\n\t * @param rect The rectangle.\n\t * @param immediate True to scroll immediately without animation\n\t * @return true if scrolling was performed\n\t */\n\tprivate boolean scrollToChildRect(Rect rect, boolean immediate) {\n\t\tfinal int delta = computeScrollDeltaToGetChildRectOnScreen(rect);\n\t\tfinal boolean scroll = delta != 0;\n\t\tif (scroll) {\n\t\t\tif (immediate) {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tscrollBy(delta, 0);\n\t\t\t\t} else {\n\t\t\t\t\tscrollBy(0, delta);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (mHorizontal) {\n\t\t\t\t\tsmoothScrollBy(delta, 0);\n\t\t\t\t} else {\n\t\t\t\t\tsmoothScrollBy(0, delta);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn scroll;\n\t}\n\n\t/**\n\t * Compute the amount to scroll in the Y direction in order to get\n\t * a rectangle completely on the screen (or, if taller than the screen,\n\t * at least the first screen size chunk of it).\n\t *\n\t * @param rect The rect.\n\t * @return The scroll delta.\n\t */\n\tprotected int computeScrollDeltaToGetChildRectOnScreen(Rect rect) {\n\t\tif (mHorizontal) {\n\t\t\treturn computeScrollDeltaToGetChildRectOnScreenHorizontal(rect);\n\t\t} else {\n\t\t\treturn computeScrollDeltaToGetChildRectOnScreenVertical(rect);\n\t\t}\n\t}\n\n\tprivate int computeScrollDeltaToGetChildRectOnScreenVertical(Rect rect) {\n\t\tif (getChildCount() == 0) return 0;\n\n\t\tint height = getHeight();\n\t\tint screenTop = getScrollY();\n\t\tint screenBottom = screenTop + height;\n\n\t\tint fadingEdge = getVerticalFadingEdgeLength();\n\n\t\t// leave room for top fading edge as long as rect isn't at very top\n\t\tif (rect.top > 0) {\n\t\t\tscreenTop += fadingEdge;\n\t\t}\n\n\t\t// leave room for bottom fading edge as long as rect isn't at very bottom\n\t\tif (rect.bottom < getChildAt(0).getHeight()) {\n\t\t\tscreenBottom -= fadingEdge;\n\t\t}\n\n\t\tint scrollYDelta = 0;\n\n\t\tif (rect.bottom > screenBottom && rect.top > screenTop) {\n\t\t\t// need to move down to get it in view: move down just enough so\n\t\t\t// that the entire rectangle is in view (or at least the first\n\t\t\t// screen size chunk).\n\n\t\t\tif (rect.height() > height) {\n\t\t\t\t// just enough to get screen size chunk on\n\t\t\t\tscrollYDelta += (rect.top - screenTop);\n\t\t\t} else {\n\t\t\t\t// get entire rect at bottom of screen\n\t\t\t\tscrollYDelta += (rect.bottom - screenBottom);\n\t\t\t}\n\n\t\t\t// make sure we aren't scrolling beyond the end of our content\n\t\t\tint bottom = getChildAt(0).getBottom();\n\t\t\tint distanceToBottom = bottom - screenBottom;\n\t\t\tscrollYDelta = Math.min(scrollYDelta, distanceToBottom);\n\n\t\t} else if (rect.top < screenTop && rect.bottom < screenBottom) {\n\t\t\t// need to move up to get it in view: move up just enough so that\n\t\t\t// entire rectangle is in view (or at least the first screen\n\t\t\t// size chunk of it).\n\n\t\t\tif (rect.height() > height) {\n\t\t\t\t// screen size chunk\n\t\t\t\tscrollYDelta -= (screenBottom - rect.bottom);\n\t\t\t} else {\n\t\t\t\t// entire rect at top\n\t\t\t\tscrollYDelta -= (screenTop - rect.top);\n\t\t\t}\n\n\t\t\t// make sure we aren't scrolling any further than the top our content\n\t\t\tscrollYDelta = Math.max(scrollYDelta, -getScrollY());\n\t\t}\n\t\treturn scrollYDelta;\n\t}\n\n\tprivate int computeScrollDeltaToGetChildRectOnScreenHorizontal(Rect rect) {\n\t\tif (getChildCount() == 0) return 0;\n\n\t\tint width = getWidth();\n\t\tint screenLeft = getScrollX();\n\t\tint screenRight = screenLeft + width;\n\n\t\tint fadingEdge = getHorizontalFadingEdgeLength();\n\n\t\t// leave room for left fading edge as long as rect isn't at very left\n\t\tif (rect.left > 0) {\n\t\t\tscreenLeft += fadingEdge;\n\t\t}\n\n\t\t// leave room for right fading edge as long as rect isn't at very right\n\t\tif (rect.right < getChildAt(0).getWidth()) {\n\t\t\tscreenRight -= fadingEdge;\n\t\t}\n\n\t\tint scrollXDelta = 0;\n\n\t\tif (rect.right > screenRight && rect.left > screenLeft) {\n\t\t\t// need to move right to get it in view: move right just enough so\n\t\t\t// that the entire rectangle is in view (or at least the first\n\t\t\t// screen size chunk).\n\n\t\t\tif (rect.width() > width) {\n\t\t\t\t// just enough to get screen size chunk on\n\t\t\t\tscrollXDelta += (rect.left - screenLeft);\n\t\t\t} else {\n\t\t\t\t// get entire rect at right of screen\n\t\t\t\tscrollXDelta += (rect.right - screenRight);\n\t\t\t}\n\n\t\t\t// make sure we aren't scrolling beyond the end of our content\n\t\t\tint right = getChildAt(0).getRight();\n\t\t\tint distanceToRight = right - screenRight;\n\t\t\tscrollXDelta = Math.min(scrollXDelta, distanceToRight);\n\n\t\t} else if (rect.left < screenLeft && rect.right < screenRight) {\n\t\t\t// need to move right to get it in view: move right just enough so that\n\t\t\t// entire rectangle is in view (or at least the first screen\n\t\t\t// size chunk of it).\n\n\t\t\tif (rect.width() > width) {\n\t\t\t\t// screen size chunk\n\t\t\t\tscrollXDelta -= (screenRight - rect.right);\n\t\t\t} else {\n\t\t\t\t// entire rect at left\n\t\t\t\tscrollXDelta -= (screenLeft - rect.left);\n\t\t\t}\n\n\t\t\t// make sure we aren't scrolling any further than the left our content\n\t\t\tscrollXDelta = Math.max(scrollXDelta, -getScrollX());\n\t\t}\n\t\treturn scrollXDelta;\n\t}\n\n\n\t@Override\n\tpublic void requestChildFocus(View child, View focused) {\n\t\tif (!mIsLayoutDirty) {\n\t\t\tscrollToChild(focused);\n\t\t} else {\n\t\t\t// The child may not be laid out yet, we can't compute the scroll yet\n\t\t\tmChildToScrollTo = focused;\n\t\t}\n\t\tsuper.requestChildFocus(child, focused);\n\t}\n\n\n\t/**\n\t * When looking for focus in children of a scroll view, need to be a little\n\t * more careful not to give focus to something that is scrolled off screen.\n\t *\n\t * This is more expensive than the default {@link android.view.ViewGroup}\n\t * implementation, otherwise this behavior might have been made the default.\n\t */\n\t@Override\n\tprotected boolean onRequestFocusInDescendants(int direction,\n\t\t\tRect previouslyFocusedRect) {\n\n\t\t// convert from forward / backward notation to up / down / left / right\n\t\t// (ugh).\n\t\tif (mHorizontal) {\n\t\t\tif (direction == View.FOCUS_FORWARD) {\n\t\t\t\tdirection = View.FOCUS_RIGHT;\n\t\t\t} else if (direction == View.FOCUS_BACKWARD) {\n\t\t\t\tdirection = View.FOCUS_LEFT;\n\t\t\t}\n\t\t} else {\n\t\t\tif (direction == View.FOCUS_FORWARD) {\n\t\t\t\tdirection = View.FOCUS_DOWN;\n\t\t\t} else if (direction == View.FOCUS_BACKWARD) {\n\t\t\t\tdirection = View.FOCUS_UP;\n\t\t\t}\n\t\t}\n\n\t\tfinal View nextFocus = previouslyFocusedRect == null ?\n\t\t\t\tFocusFinder.getInstance().findNextFocus(this, null, direction) :\n\t\t\t\t\tFocusFinder.getInstance().findNextFocusFromRect(this,\n\t\t\t\t\t\t\tpreviouslyFocusedRect, direction);\n\n\t\t\t\tif (nextFocus == null) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\tif (isOffScreen(nextFocus)) {\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\n\t\t\t\treturn nextFocus.requestFocus(direction, previouslyFocusedRect);\n\t}\n\n\t@Override\n\tpublic boolean requestChildRectangleOnScreen(View child, Rect rectangle,\n\t\t\tboolean immediate) {\n\t\t// offset into coordinate space of this scroll view\n\t\trectangle.offset(child.getLeft() - child.getScrollX(),\n\t\t\t\tchild.getTop() - child.getScrollY());\n\n\t\treturn scrollToChildRect(rectangle, immediate);\n\t}\n\n\t@Override\n\tpublic void requestLayout() {\n\t\tmIsLayoutDirty = true;\n\t\tsuper.requestLayout();\n\t}\n\n\t@Override\n\tprotected void onDetachedFromWindow() {\n\t\tsuper.onDetachedFromWindow();\n\n\t\tif (mScrollStrictSpan != null) {\n\t\t\tmScrollStrictSpan.finish();\n\t\t\tmScrollStrictSpan = null;\n\t\t}\n\t\tif (mFlingStrictSpan != null) {\n\t\t\tmFlingStrictSpan.finish();\n\t\t\tmFlingStrictSpan = null;\n\t\t}\n\t}\n\n\t@Override\n\tprotected void onLayout(boolean changed, int l, int t, int r, int b) {\n\t\tsuper.onLayout(changed, l, t, r, b);\n\t\tmIsLayoutDirty = false;\n\t\t// Give a child focus if it needs it\n\t\tif (mChildToScrollTo != null && isViewDescendantOf(mChildToScrollTo, this)) {\n\t\t\tscrollToChild(mChildToScrollTo);\n\t\t}\n\t\tmChildToScrollTo = null;\n\n\t\t// Calling this with the present values causes it to re-clam them\n\t\tscrollTo(getScrollX(), getScrollY());\n\t}\n\n\t@Override\n\tprotected void onSizeChanged(int w, int h, int oldw, int oldh) {\n\t\tsuper.onSizeChanged(w, h, oldw, oldh);\n\n\t\tView currentFocused = findFocus();\n\t\tif (null == currentFocused || this == currentFocused)\n\t\t\treturn;\n\n\t\t// If the currently-focused view was visible on the screen when the\n\t\t// screen was at the old height, then scroll the screen to make that\n\t\t// view visible with the new screen height.\n\t\tif (isWithinDeltaOfScreen(currentFocused, 0, oldh)) {\n\t\t\tcurrentFocused.getDrawingRect(mTempRect);\n\t\t\toffsetDescendantRectToMyCoords(currentFocused, mTempRect);\n\t\t\tint scrollDelta = computeScrollDeltaToGetChildRectOnScreen(mTempRect);\n\t\t\tdoScrollY(scrollDelta);\n\t\t}\n\t}\n\n\t/**\n\t * Return true if child is an descendant of parent, (or equal to the parent).\n\t */\n\tprivate boolean isViewDescendantOf(View child, View parent) {\n\t\tif (child == parent) {\n\t\t\treturn true;\n\t\t}\n\n\t\tfinal ViewParent theParent = child.getParent();\n\t\treturn (theParent instanceof ViewGroup) && isViewDescendantOf((View) theParent, parent);\n\t}\n\n\t/**\n\t * Fling the scroll view\n\t *\n\t * @param velocityY The initial velocity in the Y direction. Positive\n\t * numbers mean that the finger/cursor is moving down the screen,\n\t * which means we want to scroll towards the top.\n\t */\n\tpublic void fling(int velocityY) {\n\t\tif (getChildCount() > 0) {\n\t\t\tif (mHorizontal) {\n\t\t\t\tint width = getWidth() - getPaddingRight() - getPaddingLeft();\n\t\t\t\tint right = getChildAt(0).getWidth();\n\n\t\t\t\tmScroller.fling(getScrollX(), getScrollY(), velocityY, 0,\n\t\t\t\t\t\t0, Math.max(0, right - width), 0, 0, width/2, 0);\n\t\t\t} else {\n\t\t\t\tint height = getHeight() - getPaddingBottom() - getPaddingTop();\n\t\t\t\tint bottom = getChildAt(0).getHeight();\n\n\t\t\t\tmScroller.fling(getScrollX(), getScrollY(), 0, velocityY, 0, 0, 0,\n\t\t\t\t\t\tMath.max(0, bottom - height), 0, height/2);\n\t\t\t}\n\t\t\tif (mFlingStrictSpan == null) {\n\t\t\t\tmFlingStrictSpan = enterCriticalSpan(\"ScrollView-fling\");\n\t\t\t}\n\n\t\t\tinvalidate();\n\t\t}\n\t}\n\n\tprivate void endDrag() {\n\t\tmIsBeingDragged = false;\n\t\tmIsOrthoDragged = false;\n\t\tmDownView = null;\n\t\trecycleVelocityTracker();\n\t\tif (mScrollStrictSpan != null) {\n\t\t\tmScrollStrictSpan.finish();\n\t\t\tmScrollStrictSpan = null;\n\t\t}\n\t}\n\n\tprivate void invalidateParentIfNeeded() {\n\t\tif (isHardwareAccelerated() && getParent() instanceof View) {\n\t\t\t((View) getParent()).invalidate();\n\t\t}\n\t}\n\n\t/**\n\t * {@inheritDoc}\n\t *\n\t * This version also clamps the scrolling to the bounds of our child.\n\t */\n\t@Override\n\tpublic void scrollTo(int x, int y) {\n\t\t// we rely on the fact the View.scrollBy calls scrollTo.\n\t\tif (getChildCount() > 0) {\n\t\t\tView child = getChildAt(0);\n\t\t\tx = clamp(x, getWidth() - getPaddingRight() - getPaddingLeft(), child.getWidth());\n\t\t\ty = clamp(y, getHeight() - getPaddingBottom() - getPaddingTop(), child.getHeight());\n\t\t\tif (x != getScrollX() || y != getScrollY()) {\n\t\t\t\tsuper.scrollTo(x, y);\n\t\t\t}\n\t\t}\n\t}\n\n\tprivate int clamp(int n, int my, int child) {\n\t\tif (my >= child || n < 0) {\n\t\t\t/* my >= child is this case:\n\t\t\t * |--------------- me ---------------|\n\t\t\t * |------ child ------|\n\t\t\t * or\n\t\t\t * |--------------- me ---------------|\n\t\t\t * |------ child ------|\n\t\t\t * or\n\t\t\t * |--------------- me ---------------|\n\t\t\t * |------ child ------|\n\t\t\t *\n\t\t\t * n < 0 is this case:\n\t\t\t * |------ me ------|\n\t\t\t * |-------- child --------|\n\t\t\t * |-- mScrollX --|\n\t\t\t */\n\t\t\treturn 0;\n\t\t}\n\t\tif ((my+n) > child) {\n\t\t\t/* this case:\n\t\t\t * |------ me ------|\n\t\t\t * |------ child ------|\n\t\t\t * |-- mScrollX --|\n\t\t\t */\n\t\t\treturn child-my;\n\t\t}\n\t\treturn n;\n\t}\n\n\tprivate static class Span {\n\t\tprivate String mName;\n\t\tprivate Span mNext;\n\t\tprivate Span mPrev; // not used when in freeList, only active\n\t\tprivate final ThreadSpanState mContainerState;\n\n\t\tSpan(ThreadSpanState threadState) {\n\t\t\tmContainerState = threadState;\n\t\t}\n\n\t\tpublic void finish() {\n\n\t\t\tThreadSpanState state = mContainerState;\n\n\t\t\tsynchronized (state) {\n\t\t\t\tif (mName == null) {\n\t\t\t\t\t// Duplicate finish call. Ignore.\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Remove ourselves from the active list.\n\t\t\t\tif (mPrev != null) {\n\t\t\t\t\tmPrev.mNext = mNext;\n\t\t\t\t}\n\n\t\t\t\tif (mNext != null) {\n\t\t\t\t\tmNext.mPrev = mPrev;\n\t\t\t\t}\n\n\t\t\t\tif (state.mActiveHead == this) {\n\t\t\t\t\tstate.mActiveHead = mNext;\n\t\t\t\t}\n\n\t\t\t\tthis.mName = null;\n\t\t\t\tthis.mPrev = null;\n\t\t\t\tthis.mNext = null;\n\n\t\t\t\t// Add ourselves to the freeList, if it's not already\n\t\t\t\t// too big.\n\t\t\t\tif (state.mFreeListSize < 5) {\n\t\t\t\t\tthis.mNext = state.mFreeListHead;\n\t\t\t\t\tstate.mFreeListHead = this;\n\t\t\t\t\tstate.mFreeListSize++;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tprivate static class ThreadSpanState {\n\t\tpublic Span mActiveHead; // doubly-linked list.\n\t\tpublic Span mFreeListHead; // singly-linked list. only changes at head.\n\t\tpublic int mFreeListSize;\n\t}\n\n\tprivate static Span enterCriticalSpan(String name) { \t\n\t\tif (name == null || name.isEmpty()) {\n\t\t\tthrow new IllegalArgumentException(\"name must be non-null and non-empty\");\n\t\t}\n\t\tThreadSpanState state = sThisThreadSpanState.get();\n\n\t\tSpan span = null;\n\n\t\tsynchronized (state) {\n\t\t\tif (state.mFreeListHead != null) {\n\t\t\t\tspan = state.mFreeListHead;\n\t\t\t\tstate.mFreeListHead = span.mNext;\n\t\t\t\tstate.mFreeListSize--;\n\t\t\t} else {\n\t\t\t\t// Shouldn't have to do this often.\n\t\t\t\tspan = new Span(state);\n\t\t\t}\n\n\t\t\tspan.mName = name;\n\t\t\tspan.mNext = state.mActiveHead;\n\t\t\tspan.mPrev = null;\n\t\t\tstate.mActiveHead = span;\n\n\t\t\tif (span.mNext != null) {\n\t\t\t\tspan.mNext.mPrev = span;\n\t\t\t}\n\t\t}\n\n\t\treturn span;\n\t}\n\n\tprivate static final ThreadLocal sThisThreadSpanState = new ThreadLocal() {\n\t\t@Override\n\t\tprotected ThreadSpanState initialValue() {\n\t\t\treturn new ThreadSpanState();\n\t\t}\n\t};\n\n}\n"
},
{
"path": "src/org/tint/ui/views/TabView.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.ui.views;\n\nimport org.tint.R;\nimport android.content.Context;\nimport android.graphics.Bitmap;\nimport android.graphics.Canvas;\nimport android.graphics.Paint;\nimport android.graphics.Picture;\nimport android.graphics.drawable.BitmapDrawable;\nimport android.text.Html;\nimport android.util.AttributeSet;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.widget.ImageView;\nimport android.widget.LinearLayout;\nimport android.widget.TextView;\n\npublic class TabView extends LinearLayout {\n\n\tprivate ImageView mCloseView;\n\tprivate TextView mTitleView;\n\tprivate View mTitleBar;\n\tprivate ImageView mImage;\n\t\n\tprivate int mImageWidth;\n\tprivate int mImageHeight;\n\t\n\tprivate int mFaviconSize;\n\t\n\tprivate String mTitle;\n\tprivate boolean mSelected;\n\t\n\tprivate OnClickListener mClickListener;\n\n\tpublic TabView(Context context) {\n\t\tsuper(context);\n\t\tinit(context);\n\t}\n\n\tpublic TabView(Context context, AttributeSet attrs) {\n\t\tsuper(context, attrs);\n\t\tinit(context);\n\t} \n\n\tpublic TabView(Context context, AttributeSet attrs, int defStyle) {\n\t\tsuper(context, attrs, defStyle);\n\t\tinit(context);\n\t}\n\n\tprivate void init(Context context) {\n\t\tLayoutInflater.from(context).inflate(R.layout.tab_view, this);\n\n\t\tmTitle = null;\n\t\tmSelected = false;\n\t\t\n\t\tmCloseView = (ImageView) findViewById(R.id.closetab);\n\t\tmTitleView = (TextView) findViewById(R.id.title);\n\t\tmTitleBar = findViewById(R.id.titlebar);\n\t\tmImage = (ImageView) findViewById(R.id.tab_view);\n\t\t\n\t\tfloat density = context.getResources().getDisplayMetrics().density;\n\t\t\n\t\tmImageWidth = (int) (200 * density);\n\t\tmImageHeight = (int) (120 * density);\n\t\tmFaviconSize = (int) (32 * density);\n\t}\n\n\tpublic boolean isClose(View v) {\n\t\treturn v == mCloseView;\n\t}\n\n\tpublic boolean isTitle(View v) {\n\t\treturn v == mTitleBar;\n\t}\n\n\tpublic boolean isWebView(View v) {\n\t\treturn v == mImage;\n\t}\n\t\n\tpublic void setImage(Picture picture) {\n\t\tBitmap bm = Bitmap.createBitmap(mImageWidth, mImageHeight, Bitmap.Config.ARGB_8888);\n\t\tCanvas canvas = new Canvas(bm);\n\t\t\n\t\tPaint p = new Paint(Paint.ANTI_ALIAS_FLAG);\n\t\tp.setColor(0xFFFFFFFF);\n\t\tcanvas.drawRect(0, 0, mImageWidth, mImageHeight, p);\n\t\t\n\t\tif (picture != null) {\n\t\t\tfloat scale = mImageWidth / (float) picture.getWidth();\n\t\t\tcanvas.scale(scale, scale);\n\n\t\t\tpicture.draw(canvas);\t\t\t\n\t\t}\n\t\t\n\t\tmImage.setImageBitmap(bm);\n\t}\n\t\n\tpublic void setImageResource(int resource) {\n\t\tmImage.setImageResource(resource);\n\t}\n\t\n\tpublic void setTitle(String title) {\n\t\tmTitle = title;\n\t\tupdateTitle();\n\t}\n\t\n\tpublic void setTitle(int title) {\n\t\tmTitle = getResources().getString(title);\n\t\tupdateTitle();\n\t}\n\t\n\tpublic void setSelected(boolean selected) {\n\t\tmSelected = selected;\n\t\tupdateTitle();\n\t}\n\t\n\tpublic void setFavicon(Bitmap icon) {\n\t\tBitmapDrawable bd;\n\t\tif (icon != null) {\n\t\t\tbd = new BitmapDrawable(getResources(), Bitmap.createScaledBitmap(icon, mFaviconSize, mFaviconSize, false));\n\t\t} else {\n\t\t\tbd = null;\n\t\t}\n\t\t\n\t\tmTitleView.setCompoundDrawablesWithIntrinsicBounds(bd, null, null, null);\n\t}\n\n\t@Override\n\tpublic void setOnClickListener(OnClickListener listener) {\n\t\tmClickListener = listener;\n\t\tmTitleBar.setOnClickListener(mClickListener);\n\t\tmCloseView.setOnClickListener(mClickListener);\n\t\tif (mImage != null) {\n\t\t\tmImage.setOnClickListener(mClickListener);\n\t\t}\n\t}\n\t\n\tprivate void updateTitle() {\n\t\tif (mTitle != null) {\n\t\t\tif (mSelected) {\n\t\t\t\tmTitleView.setText(Html.fromHtml(String.format(\"%s\", mTitle)));\n\t\t\t} else {\n\t\t\t\tmTitleView.setText(mTitle);\n\t\t\t}\n\t\t} else {\n\t\t\tmTitleView.setText(null);\n\t\t}\n\t}\n\n}\n"
},
{
"path": "src/org/tint/ui/views/TabletUrlBar.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.ui.views;\n\nimport org.tint.R;\nimport org.tint.model.UrlSuggestionCursorAdapter;\nimport org.tint.model.UrlSuggestionCursorAdapter.QueryBuilderListener;\nimport org.tint.providers.BookmarksProvider;\nimport org.tint.providers.BookmarksWrapper;\n\nimport android.content.Context;\nimport android.database.Cursor;\nimport android.text.Editable;\nimport android.text.TextWatcher;\nimport android.util.AttributeSet;\nimport android.view.KeyEvent;\nimport android.view.LayoutInflater;\nimport android.view.View;\nimport android.view.inputmethod.InputMethodManager;\nimport android.widget.AdapterView;\nimport android.widget.AutoCompleteTextView;\nimport android.widget.FilterQueryProvider;\nimport android.widget.ImageView;\nimport android.widget.LinearLayout;\nimport android.widget.AdapterView.OnItemClickListener;\nimport android.widget.SimpleCursorAdapter.CursorToStringConverter;\n\npublic class TabletUrlBar extends LinearLayout {\n\t\n\tpublic interface OnTabletUrlBarEventListener {\n\t\t\n\t\tvoid onBackClicked();\n\t\t\n\t\tvoid onForwardClicked();\n\t\t\n\t\tvoid onHomeClicked();\n\t\t\n\t\tvoid onBookmarksClicked();\n\t\t\n\t\tvoid onGoStopReloadClicked();\n\t\t\n\t\tvoid onUrlValidated();\n\t\t\n\t}\n\t\n\tprivate Context mContext;\n\t\n\tprivate AutoCompleteTextView mUrl;\t\n\t\n\tprivate ImageView mBack;\n\tprivate ImageView mForward;\n\t\n\tprivate ImageView mHome;\n\t\n\tprivate ImageView mGoStopReload;\n\tprivate ImageView mBookmarks;\n\t\n\tprivate TextWatcher mUrlTextWatcher;\n\t\n\tprivate boolean mIsUrlChangedByUser = false;\n\t\n\tprivate OnTabletUrlBarEventListener mEventListener = null;\n\n\tpublic TabletUrlBar(Context context) {\n\t\tthis(context, null);\n\t}\n\n\tpublic TabletUrlBar(Context context, AttributeSet attrs) {\n\t\tthis(context, attrs, 0);\n\t}\n\t\n\tpublic TabletUrlBar(Context context, AttributeSet attrs, int defStyle) {\n\t\tsuper(context, attrs, defStyle);\n\t\t\n\t\tmContext = context;\n\t\t\n\t\tLayoutInflater layoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);\n\t\tView v = layoutInflater.inflate(R.layout.tablet_url_bar, this);\n\t\t\n\t\tmUrl = (AutoCompleteTextView) v.findViewById(R.id.UrlBarUrlEdit);\n\t\t\n\t\tmUrl.setCompoundDrawablePadding(5);\n\t\t\n\t\tmBack = (ImageView) v.findViewById(R.id.UrlBarGoBack);\n\t\tmBack.setEnabled(false);\n\t\t\n\t\tmForward = (ImageView) v.findViewById(R.id.UrlBarGoForward);\n\t\tmForward.setEnabled(false);\n\t\t\n\t\tmHome = (ImageView) v.findViewById(R.id.UrlBarHome);\n\t\t\n\t\tmBookmarks = (ImageView) v.findViewById(R.id.UrlBarBookmarks);\n\t\t\n\t\tmGoStopReload = (ImageView) v.findViewById(R.id.UrlBarGoStopReload);\n\t\t\n\t\tString[] from = new String[] { BookmarksProvider.Columns.TITLE, BookmarksProvider.Columns.URL };\n \tint[] to = new int[] {R.id.AutocompleteTitle, R.id.AutocompleteUrl};\n \t\n\t\tUrlSuggestionCursorAdapter adapter = new UrlSuggestionCursorAdapter(\n\t\t\t\tmContext,\n\t\t\t\tR.layout.url_autocomplete_line,\n\t\t\t\tnull,\n\t\t\t\tfrom,\n\t\t\t\tto,\n\t\t\t\t0,\n\t\t\t\tnew QueryBuilderListener() {\t\t\t\t\t\n\t\t\t\t\t@Override\n\t\t\t\t\tpublic void onSuggestionSelected(String url) {\n\t\t\t\t\t\tsetUrl(url);\n\t\t\t\t\t\tmUrl.setSelection(url.length());\n\t\t\t\t\t}\n\t\t\t\t});\n \t\n \tadapter.setCursorToStringConverter(new CursorToStringConverter() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic CharSequence convertToString(Cursor cursor) {\n\t\t\t\tString aColumnString = cursor.getString(cursor.getColumnIndex(BookmarksProvider.Columns.URL));\n return aColumnString;\n\t\t\t}\n\t\t});\n \t\n \tadapter.setFilterQueryProvider(new FilterQueryProvider() {\t\t\n\t\t\t@Override\n\t\t\tpublic Cursor runQuery(CharSequence constraint) {\n\t\t\t\tif ((constraint != null) &&\n\t\t\t\t\t\t(constraint.length() > 0)) {\n\t\t\t\t\treturn BookmarksWrapper.getUrlSuggestions(mContext.getContentResolver(),\n\t\t\t\t\t\t\tconstraint.toString());\n\t\t\t\t} else {\n\t\t\t\t\treturn BookmarksWrapper.getUrlSuggestions(mContext.getContentResolver(),\n\t\t\t\t\t\t\tnull);\n\t\t\t\t}\n\t\t\t}\n\t\t});\n \t\n \tmUrl.setThreshold(1);\n \tmUrl.setAdapter(adapter);\n \t\n \tmUrlTextWatcher = new TextWatcher() {\n\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onTextChanged(CharSequence s, int start, int before, int count) { }\n\t\t\t\n\t\t\t@Override\n\t\t\tpublic void beforeTextChanged(CharSequence s, int start, int count, \tint after) { }\n\t\t\t\n\t\t\t@Override\n\t\t\tpublic void afterTextChanged(Editable s) {\n\t\t\t\tmIsUrlChangedByUser = true;\t\t\n\t\t\t\tmGoStopReload.setImageResource(R.drawable.ic_go);\n\t\t\t}\n\t\t};\n\t\t\n\t\tmUrl.addTextChangedListener(mUrlTextWatcher);\n\t\t\n\t\tmUrl.setOnKeyListener(new OnKeyListener() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic boolean onKey(View v, int keyCode, KeyEvent event) {\n\t\t\t\tif ((event.getAction() == KeyEvent.ACTION_DOWN) &&\n\t\t\t\t\t\t(keyCode == KeyEvent.KEYCODE_ENTER)) {\t\t\t\t\t\n\t\t\t\t\ttriggerOnUrlValidated();\n\t\t\t\t\treturn true;\n\t\t\t\t}\n\t\t\t\treturn false;\n\t\t\t}\n\t\t});\n\t\t\n\t\tmUrl.setOnItemClickListener(new OnItemClickListener() {\n\t\t\t@Override\n\t\t\tpublic void onItemClick(AdapterView arg0, View arg1, int arg2, long arg3) {\n\t\t\t\ttriggerOnUrlValidated();\n\t\t\t}\n\t\t});\n\t\t\n\t\tmBack.setOnClickListener(new OnClickListener() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tif (mEventListener != null) {\n\t\t\t\t\tmEventListener.onBackClicked();\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t\t\n\t\tmForward.setOnClickListener(new OnClickListener() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tif (mEventListener != null) {\n\t\t\t\t\tmEventListener.onForwardClicked();\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t\t\n\t\tmHome.setOnClickListener(new OnClickListener() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tif (mEventListener != null) {\n\t\t\t\t\tmEventListener.onHomeClicked();\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t\t\n\t\tmBookmarks.setOnClickListener(new OnClickListener() {\t\t\t\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tif (mEventListener != null) {\n\t\t\t\t\tmEventListener.onBookmarksClicked();\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t\t\n\t\tmGoStopReload.setOnClickListener(new OnClickListener() {\n\t\t\t@Override\n\t\t\tpublic void onClick(View v) {\n\t\t\t\tif (mEventListener != null) {\n\t\t\t\t\tmEventListener.onGoStopReloadClicked();\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t}\n\t\n\tpublic void setBackEnabled(boolean enabled) {\n\t\tmBack.setEnabled(enabled);\n\t}\n\t\n\tpublic void setForwardEnabled(boolean enabled) {\n\t\tmForward.setEnabled(enabled);\n\t}\n\t\n\tpublic void setUrl(String url) {\n\t\tmUrl.removeTextChangedListener(mUrlTextWatcher);\n\t\tmUrl.setText(url);\n\t\tmUrl.addTextChangedListener(mUrlTextWatcher);\n\t\tmIsUrlChangedByUser = false;\n\t}\n\t\n\tpublic boolean isUrlChangedByUser() {\n\t\treturn mIsUrlChangedByUser;\n\t}\n\t\n\tpublic void setGoStopReloadImage(int resId) {\n\t\tmGoStopReload.setImageResource(resId);\n\t}\n\t\n\tpublic void setEventListener(OnTabletUrlBarEventListener listener) {\n\t\tmEventListener = listener;\n\t}\n\t\n\tpublic void setPrivateBrowsingIndicator(boolean value) {\n\t\tif (value) {\n\t\t\tmUrl.setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_incognito_holo_dark, 0, 0, 0);\n\t\t} else {\n\t\t\tmUrl.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);\n\t\t}\n\t}\n\t\n\tpublic void setFocusOnUrl() {\n\t\tmUrl.requestFocus();\n\t\t\n\t\tInputMethodManager mgr = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);\n\t\tmgr.showSoftInput(mUrl, InputMethodManager.SHOW_IMPLICIT);\n\t}\n\t\n\tprivate void triggerOnUrlValidated() {\n\t\tif (mEventListener != null) {\n\t\t\tmEventListener.onUrlValidated();\n\t\t}\n\t}\n\n\tpublic String getUrl() {\n\t\treturn mUrl.getText().toString();\n\t}\n\n}\n"
},
{
"path": "src/org/tint/ui/views/TabsScroller.java",
"content": "/*\n * Copyright (C) 2011 The Android Open Source Project\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\"); you may not\n * use this file except in compliance with the License. You may obtain a copy of\n * the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n * License for the specific language governing permissions and limitations under\n * the License.\n */\n\n/*\n * Class taken from the stock browser in AOSP.\n * Only slightly modified to meet Tint's needs.\n */\n\npackage org.tint.ui.views;\n\nimport android.animation.Animator;\nimport android.animation.AnimatorListenerAdapter;\nimport android.animation.AnimatorSet;\nimport android.animation.ObjectAnimator;\nimport android.annotation.SuppressLint;\nimport android.content.Context;\nimport android.database.DataSetObserver;\nimport android.graphics.Canvas;\nimport android.util.AttributeSet;\nimport android.view.Gravity;\nimport android.view.View;\nimport android.view.ViewGroup;\nimport android.view.animation.DecelerateInterpolator;\nimport android.widget.BaseAdapter;\nimport android.widget.LinearLayout;\n\n/**\n * custom view for displaying tabs in the nav screen\n */\npublic class TabsScroller extends ScrollerView {\n\n static final int INVALID_POSITION = -1;\n static final float[] PULL_FACTOR = { 2.5f, 0.9f };\n\n public interface OnRemoveListener {\n public void onRemovePosition(int position);\n }\n\n interface OnLayoutListener {\n public void onLayout(int l, int t, int r, int b);\n }\n\n private ContentLayout mContentView;\n private BaseAdapter mAdapter;\n private OnRemoveListener mRemoveListener;\n private OnLayoutListener mLayoutListener;\n private int mGap;\n private int mGapPosition;\n private ObjectAnimator mGapAnimator;\n\n // after drag animation velocity in pixels/sec\n private static final float MIN_VELOCITY = 1500;\n private AnimatorSet mAnimator;\n\n private float mFlingVelocity;\n private boolean mNeedsScroll;\n private int mScrollPosition;\n\n DecelerateInterpolator mCubic;\n int mPullValue;\n\n public TabsScroller(Context context, AttributeSet attrs, int defStyle) {\n super(context, attrs, defStyle);\n init(context);\n }\n\n public TabsScroller(Context context, AttributeSet attrs) {\n super(context, attrs);\n init(context);\n }\n\n public TabsScroller(Context context) {\n super(context);\n init(context);\n }\n\n private void init(Context ctx) {\n mCubic = new DecelerateInterpolator(1.5f);\n mGapPosition = INVALID_POSITION;\n setHorizontalScrollBarEnabled(false);\n setVerticalScrollBarEnabled(false);\n mContentView = new ContentLayout(ctx, this);\n mContentView.setOrientation(LinearLayout.VERTICAL);\n addView(mContentView);\n mContentView.setLayoutParams(\n new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));\n // ProGuard !\n setGap(getGap());\n mFlingVelocity = getContext().getResources().getDisplayMetrics().density\n * MIN_VELOCITY;\n }\n\n protected int getScrollValue() {\n return mHorizontal ? getScrollX() : getScrollY();\n }\n\n protected void setScrollValue(int value) {\n scrollTo(mHorizontal ? value : 0, mHorizontal ? 0 : value);\n }\n\n protected TabView getTabView(int pos) {\n return (TabView) mContentView.getChildAt(pos);\n }\n\n protected boolean isHorizontal() {\n return mHorizontal;\n }\n\n public void setOrientation(int orientation) {\n mContentView.setOrientation(orientation);\n if (orientation == LinearLayout.HORIZONTAL) {\n mContentView.setLayoutParams(\n new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));\n } else {\n mContentView.setLayoutParams(\n new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));\n }\n super.setOrientation(orientation);\n }\n\n public void setAdapter(BaseAdapter adapter) {\n setAdapter(adapter, 0);\n }\n\n\n public void setOnRemoveListener(OnRemoveListener l) {\n mRemoveListener = l;\n }\n\n public void setOnLayoutListener(OnLayoutListener l) {\n mLayoutListener = l;\n }\n\n protected void setAdapter(BaseAdapter adapter, int selection) {\n mAdapter = adapter;\n mAdapter.registerDataSetObserver(new DataSetObserver() {\n\n @Override\n public void onChanged() {\n super.onChanged();\n handleDataChanged();\n }\n\n @Override\n public void onInvalidated() {\n super.onInvalidated();\n }\n });\n handleDataChanged(selection);\n }\n\n protected ViewGroup getContentView() {\n return mContentView;\n }\n\n protected int getRelativeChildTop(int ix) {\n return mContentView.getChildAt(ix).getTop() - getScrollY();\n }\n\n protected void handleDataChanged() {\n handleDataChanged(INVALID_POSITION);\n }\n\n void handleDataChanged(int newscroll) {\n int scroll = getScrollValue();\n if (mGapAnimator != null) {\n mGapAnimator.cancel();\n }\n mContentView.removeAllViews();\n for (int i = 0; i < mAdapter.getCount(); i++) {\n View v = mAdapter.getView(i, null, mContentView);\n LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(\n LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);\n lp.gravity = (mHorizontal ? Gravity.CENTER_VERTICAL : Gravity.CENTER_HORIZONTAL);\n mContentView.addView(v, lp);\n if (mGapPosition > INVALID_POSITION){\n adjustViewGap(v, i);\n }\n }\n if (newscroll > INVALID_POSITION) {\n newscroll = Math.min(mAdapter.getCount() - 1, newscroll);\n mNeedsScroll = true;\n mScrollPosition = newscroll;\n requestLayout();\n } else {\n setScrollValue(scroll);\n }\n }\n\n protected void finishScroller() {\n mScroller.forceFinished(true);\n }\n\n\t@SuppressLint(\"WrongCall\")\n\t@Override\n protected void onLayout(boolean changed, int l, int t, int r, int b) {\n super.onLayout(changed, l, t, r, b);\n if (mNeedsScroll) {\n mScroller.forceFinished(true);\n snapToSelected(mScrollPosition, false);\n mNeedsScroll = false;\n }\n if (mLayoutListener != null) {\n mLayoutListener.onLayout(l, t, r, b);\n mLayoutListener = null;\n }\n }\n\n void clearTabs() {\n mContentView.removeAllViews();\n }\n\n public void snapToSelected(int pos, boolean smooth) {\n if (pos < 0) return;\n View v = mContentView.getChildAt(pos);\n if (v == null) return;\n int sx = 0;\n int sy = 0;\n if (mHorizontal) {\n sx = (v.getLeft() + v.getRight() - getWidth()) / 2;\n } else {\n sy = (v.getTop() + v.getBottom() - getHeight()) / 2;\n }\n if ((sx != getScrollX()) || (sy != getScaleY())) {\n if (smooth) {\n smoothScrollTo(sx,sy);\n } else {\n scrollTo(sx, sy);\n }\n }\n }\n\n public void animateOut(View v) {\n if (v == null) return;\n animateOut(v, -mFlingVelocity);\n }\n\n private void animateOut(final View v, float velocity) {\n float start = mHorizontal ? v.getTranslationY() : v.getTranslationX();\n animateOut(v, velocity, start);\n }\n\n private void animateOut(final View v, float velocity, float start) {\n if ((v == null) || (mAnimator != null)) return;\n final int position = mContentView.indexOfChild(v);\n int target = 0;\n if (velocity < 0) {\n target = mHorizontal ? -getHeight() : -getWidth();\n } else {\n target = mHorizontal ? getHeight() : getWidth();\n }\n int distance = target - (mHorizontal ? v.getTop() : v.getLeft());\n long duration = (long) (Math.abs(distance) * 1000 / Math.abs(velocity));\n int scroll = 0;\n int translate = 0;\n int gap = mHorizontal ? v.getWidth() : v.getHeight();\n int centerView = getViewCenter(v);\n int centerScreen = getScreenCenter();\n int newpos = INVALID_POSITION;\n if (centerView < centerScreen - gap / 2) {\n // top view\n scroll = - (centerScreen - centerView - gap);\n translate = (position > 0) ? gap : 0;\n newpos = position;\n } else if (centerView > centerScreen + gap / 2) {\n // bottom view\n scroll = - (centerScreen + gap - centerView);\n if (position < mAdapter.getCount() - 1) {\n translate = -gap;\n }\n } else {\n // center view\n scroll = - (centerScreen - centerView);\n if (position < mAdapter.getCount() - 1) {\n translate = -gap;\n } else {\n scroll -= gap;\n }\n }\n mGapPosition = position;\n final int pos = newpos;\n ObjectAnimator trans = ObjectAnimator.ofFloat(v,\n (mHorizontal ? TRANSLATION_Y : TRANSLATION_X), start, target);\n ObjectAnimator alpha = ObjectAnimator.ofFloat(v, ALPHA, getAlpha(v,start),\n getAlpha(v,target));\n AnimatorSet set1 = new AnimatorSet();\n set1.playTogether(trans, alpha);\n set1.setDuration(duration);\n mAnimator = new AnimatorSet();\n ObjectAnimator trans2 = null;\n ObjectAnimator scroll1 = null;\n if (scroll != 0) {\n if (mHorizontal) {\n scroll1 = ObjectAnimator.ofInt(this, \"scrollX\", getScrollX(), getScrollX() + scroll);\n } else {\n scroll1 = ObjectAnimator.ofInt(this, \"scrollY\", getScrollY(), getScrollY() + scroll);\n }\n }\n if (translate != 0) {\n trans2 = ObjectAnimator.ofInt(this, \"gap\", 0, translate);\n }\n final int duration2 = 200;\n if (scroll1 != null) {\n if (trans2 != null) {\n AnimatorSet set2 = new AnimatorSet();\n set2.playTogether(scroll1, trans2);\n set2.setDuration(duration2);\n mAnimator.playSequentially(set1, set2);\n } else {\n scroll1.setDuration(duration2);\n mAnimator.playSequentially(set1, scroll1);\n }\n } else {\n if (trans2 != null) {\n trans2.setDuration(duration2);\n mAnimator.playSequentially(set1, trans2);\n }\n }\n mAnimator.addListener(new AnimatorListenerAdapter() {\n public void onAnimationEnd(Animator a) {\n if (mRemoveListener != null) {\n mRemoveListener.onRemovePosition(position);\n mAnimator = null;\n mGapPosition = INVALID_POSITION;\n mGap = 0;\n handleDataChanged(pos);\n }\n }\n });\n mAnimator.start();\n }\n\n public void setGap(int gap) {\n if (mGapPosition != INVALID_POSITION) {\n mGap = gap;\n postInvalidate();\n }\n }\n\n public int getGap() {\n return mGap;\n }\n\n void adjustGap() {\n for (int i = 0; i < mContentView.getChildCount(); i++) {\n final View child = mContentView.getChildAt(i);\n adjustViewGap(child, i);\n }\n }\n\n private void adjustViewGap(View view, int pos) {\n if ((mGap < 0 && pos > mGapPosition)\n || (mGap > 0 && pos < mGapPosition)) {\n if (mHorizontal) {\n view.setTranslationX(mGap);\n } else {\n view.setTranslationY(mGap);\n }\n }\n }\n\n private int getViewCenter(View v) {\n if (mHorizontal) {\n return v.getLeft() + v.getWidth() / 2;\n } else {\n return v.getTop() + v.getHeight() / 2;\n }\n }\n\n private int getScreenCenter() {\n if (mHorizontal) {\n return getScrollX() + getWidth() / 2;\n } else {\n return getScrollY() + getHeight() / 2;\n }\n }\n\n @Override\n public void draw(Canvas canvas) {\n if (mGapPosition > INVALID_POSITION) {\n adjustGap();\n }\n super.draw(canvas);\n }\n\n @Override\n protected View findViewAt(int x, int y) {\n x += getScrollX();\n y += getScrollY();\n final int count = mContentView.getChildCount();\n for (int i = count - 1; i >= 0; i--) {\n View child = mContentView.getChildAt(i);\n if (child.getVisibility() == View.VISIBLE) {\n if ((x >= child.getLeft()) && (x < child.getRight())\n && (y >= child.getTop()) && (y < child.getBottom())) {\n return child;\n }\n }\n }\n return null;\n }\n\n @Override\n protected void onOrthoDrag(View v, float distance) {\n if ((v != null) && (mAnimator == null)) {\n offsetView(v, distance);\n }\n }\n\n @Override\n protected void onOrthoDragFinished(View downView) {\n if (mAnimator != null) return;\n if (mIsOrthoDragged && downView != null) {\n // offset\n float diff = mHorizontal ? downView.getTranslationY() : downView.getTranslationX();\n if (Math.abs(diff) > (mHorizontal ? downView.getHeight() : downView.getWidth()) / 2) {\n // remove it\n animateOut(downView, Math.signum(diff) * mFlingVelocity, diff);\n } else {\n // snap back\n offsetView(downView, 0);\n }\n }\n }\n\n @Override\n protected void onOrthoFling(View v, float velocity) {\n if (v == null) return;\n if (mAnimator == null && Math.abs(velocity) > mFlingVelocity / 2) {\n animateOut(v, velocity);\n } else {\n offsetView(v, 0);\n }\n }\n\n private void offsetView(View v, float distance) {\n v.setAlpha(getAlpha(v, distance));\n if (mHorizontal) {\n v.setTranslationY(distance);\n } else {\n v.setTranslationX(distance);\n }\n }\n\n private float getAlpha(View v, float distance) {\n return 1 - (float) Math.abs(distance) / (mHorizontal ? v.getHeight() : v.getWidth());\n }\n\n private float ease(DecelerateInterpolator inter, float value, float start,\n float dist, float duration) {\n return start + dist * inter.getInterpolation(value / duration);\n }\n\n @Override\n protected void onPull(int delta) {\n boolean layer = false;\n int count = 2;\n if (delta == 0 && mPullValue == 0) return;\n if (delta == 0 && mPullValue != 0) {\n // reset\n for (int i = 0; i < count; i++) {\n View child = mContentView.getChildAt((mPullValue < 0)\n ? i\n : mContentView.getChildCount() - 1 - i);\n if (child == null) break;\n ObjectAnimator trans = ObjectAnimator.ofFloat(child,\n mHorizontal ? \"translationX\" : \"translationY\",\n mHorizontal ? getTranslationX() : getTranslationY(),\n 0);\n ObjectAnimator rot = ObjectAnimator.ofFloat(child,\n mHorizontal ? \"rotationY\" : \"rotationX\",\n mHorizontal ? getRotationY() : getRotationX(),\n 0);\n AnimatorSet set = new AnimatorSet();\n set.playTogether(trans, rot);\n set.setDuration(100);\n set.start();\n }\n mPullValue = 0;\n } else {\n if (mPullValue == 0) {\n layer = true;\n }\n mPullValue += delta;\n }\n final int height = mHorizontal ? getWidth() : getHeight();\n int oscroll = Math.abs(mPullValue);\n int factor = (mPullValue <= 0) ? 1 : -1;\n for (int i = 0; i < count; i++) {\n View child = mContentView.getChildAt((mPullValue < 0)\n ? i\n : mContentView.getChildCount() - 1 - i);\n if (child == null) break;\n if (layer) {\n }\n float k = PULL_FACTOR[i];\n float rot = -factor * ease(mCubic, oscroll, 0, k * 2, height);\n int y = factor * (int) ease(mCubic, oscroll, 0, k*20, height);\n if (mHorizontal) {\n child.setTranslationX(y);\n } else {\n child.setTranslationY(y);\n }\n if (mHorizontal) {\n child.setRotationY(-rot);\n } else {\n child.setRotationX(rot);\n }\n }\n }\n\n static class ContentLayout extends LinearLayout {\n\n \tTabsScroller mScroller;\n\n public ContentLayout(Context context, TabsScroller scroller) {\n super(context);\n mScroller = scroller;\n }\n\n @Override\n protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {\n super.onMeasure(widthMeasureSpec, heightMeasureSpec);\n if (mScroller.getGap() != 0) {\n View v = getChildAt(0);\n if (v != null) {\n if (mScroller.isHorizontal()) {\n int total = v.getMeasuredWidth() + getMeasuredWidth();\n setMeasuredDimension(total, getMeasuredHeight());\n } else {\n int total = v.getMeasuredHeight() + getMeasuredHeight();\n setMeasuredDimension(getMeasuredWidth(), total);\n }\n }\n\n }\n }\n\n }\n\n}"
},
{
"path": "src/org/tint/utils/ApplicationUtils.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.utils;\n\nimport java.io.BufferedReader;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.io.InputStreamReader;\n\nimport org.tint.R;\n\nimport android.app.Activity;\nimport android.app.AlertDialog;\nimport android.content.ClipData;\nimport android.content.Context;\nimport android.content.DialogInterface;\nimport android.content.Intent;\nimport android.content.ClipboardManager;\nimport android.content.pm.PackageInfo;\nimport android.content.pm.PackageManager;\nimport android.content.pm.PackageManager.NameNotFoundException;\nimport android.graphics.Bitmap;\nimport android.graphics.Canvas;\nimport android.graphics.drawable.BitmapDrawable;\nimport android.graphics.drawable.Drawable;\nimport android.util.Log;\nimport android.widget.Toast;\n\npublic class ApplicationUtils {\n\t\n\tprivate static int[] sBookmarksdimensions = null;\n\t\n\t/**\n\t * Get the application version code.\n\t * @param context The current context.\n\t * @return The application version code.\n\t */\n\tpublic static int getApplicationVersionCode(Context context) {\n \t\n\t\tint result = -1;\n\t\t\n\t\ttry {\n\t\t\t\n\t\t\tPackageManager manager = context.getPackageManager();\n\t\t\tPackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);\n\t\t\t\n\t\t\tresult = info.versionCode;\n\t\t\t\n\t\t} catch (NameNotFoundException e) {\n\t\t\tLog.w(\"ApplicationUtils\", \"Unable to get application version: \" + e.getMessage());\n\t\t\tresult = -1;\n\t\t}\n\t\t\n\t\treturn result;\n\t}\n\t\n\tpublic static BitmapDrawable getApplicationButtonImage(Activity activity, Bitmap icon) {\n\t\tif (icon != null) {\n\t\t\tint buttonSize = activity.getResources().getInteger(R.integer.application_button_size);\n\t\t\tint size = activity.getResources().getInteger(R.integer.favicon_size);\n\t\t\t\n\t\t\tDrawable d = activity.getResources().getDrawable(R.drawable.bookmark_list_favicon_bg);\t\t\t\t\t\t\n\t\t\tBitmap bm = Bitmap.createBitmap(buttonSize, buttonSize, Bitmap.Config.ARGB_8888);\n\t\t\t\n\t\t\tCanvas canvas = new Canvas(bm);\n\t\t\td.setBounds(0, 0, buttonSize, buttonSize);\n\t\t\td.draw(canvas);\n\n\t\t\tBitmapDrawable favIcon = new BitmapDrawable(activity.getResources(), icon);\n\t\t\tfavIcon.setBounds((buttonSize / 2) - (size / 2), (buttonSize / 2) - (size / 2), (buttonSize / 2) + (size / 2), (buttonSize / 2) + (size / 2));\n\t\t\tfavIcon.draw(canvas);\n\t\t\t\n\t\t\treturn new BitmapDrawable(activity.getResources(), bm);\n\t\t} else {\n\t\t\treturn null;\n\t\t}\n\t}\n\t\n\tpublic static int[] getBookmarksThumbnailsDimensions(Context context) {\n\t\tif (sBookmarksdimensions == null) {\n\t\t\tDrawable d = context.getResources().getDrawable(R.drawable.browser_thumbnail);\n\t\t\tsBookmarksdimensions = new int[] { d.getIntrinsicWidth(), d.getIntrinsicHeight() };\n\t\t}\n\t\t\n\t\treturn sBookmarksdimensions;\n\t}\n\t\n\t/**\n\t * Share a page.\n\t * @param activity The parent activity.\n\t * @param title The page title.\n\t * @param url The page url.\n\t */\n\tpublic static void sharePage(Activity activity, String title, String url) {\n \tIntent shareIntent = new Intent(Intent.ACTION_SEND);\n \t\n \tshareIntent.setType(\"text/plain\");\n \tshareIntent.putExtra(Intent.EXTRA_TEXT, url);\n \tshareIntent.putExtra(Intent.EXTRA_SUBJECT, title);\n \t\n \ttry {\n \t\tactivity.startActivity(Intent.createChooser(shareIntent, activity.getString(R.string.ShareChooserTitle)));\n } catch(android.content.ActivityNotFoundException ex) {\n // if no app handles it, do nothing\n }\n }\n\t\n\t/**\n * Copy a text to the clipboard.\n * @param context The current context.\n * @param text The text to copy.\n * @param toastMessage The message to show in a Toast notification. If empty or null, does not display notification.\n */\n public static void copyTextToClipboard(Context context, String text, String toastMessage) {\n \tClipboardManager clipboard = (ClipboardManager) context.getSystemService(Activity.CLIPBOARD_SERVICE);\n \tclipboard.setPrimaryClip(ClipData.newPlainText(text, text));\n \t\n \tif ((toastMessage != null) &&\n \t\t\t(toastMessage.length() > 0)) {\n \t\tToast.makeText(context, toastMessage, Toast.LENGTH_SHORT).show();\n \t}\n }\n\t\n\t/**\n\t * Display a standard yes / no dialog.\n\t * @param context The current context.\n\t * @param icon The dialog icon.\n\t * @param title The dialog title.\n\t * @param message The dialog message.\n\t * @param onYes The dialog listener for the yes button.\n\t */\n\tpublic static void showYesNoDialog(Context context, int icon, int title, int message, DialogInterface.OnClickListener onYes) {\n \tshowYesNoDialog(context,\n \t\t\ticon,\n \t\t\ttitle,\n \t\t\tcontext.getResources().getString(message),\n \t\t\tonYes);\n\t}\n\t\n\t/**\n\t * Display a standard yes / no dialog.\n\t * @param context The current context.\n\t * @param icon The dialog icon.\n\t * @param title The dialog title.\n\t * @param message The dialog message.\n\t * @param onYes The dialog listener for the yes button.\n\t */\n\tpublic static void showYesNoDialog(Context context, int icon, int title, String message, DialogInterface.OnClickListener onYes) {\n\t\tAlertDialog.Builder builder = new AlertDialog.Builder(context);\n \tbuilder.setCancelable(true);\n \tbuilder.setIcon(icon);\n \tbuilder.setTitle(context.getResources().getString(title));\n \tbuilder.setMessage(message);\n\n \tbuilder.setInverseBackgroundForced(true);\n \tbuilder.setPositiveButton(context.getResources().getString(R.string.Yes), onYes);\n \tbuilder.setNegativeButton(context.getResources().getString(R.string.No), new DialogInterface.OnClickListener() {\n \t\t@Override\n \t\tpublic void onClick(DialogInterface dialog, int which) {\n \t\t\tdialog.dismiss();\n \t\t}\n \t});\n \tAlertDialog alert = builder.create();\n \talert.show();\n\t}\n\t\n\tpublic static void showErrorDialog(Context context, String title, String message) {\n\t\tnew AlertDialog.Builder(context)\n .setTitle(title)\n .setIcon(android.R.drawable.ic_dialog_alert)\n .setMessage(message)\n .setPositiveButton(R.string.OK, null)\n .show();\n\t}\n\t\n\tpublic static void showMessageDialog(Context context, String title, String message) {\n\t\tnew AlertDialog.Builder(context)\n .setTitle(title)\n .setIcon(android.R.drawable.ic_dialog_info)\n .setMessage(message)\n .setPositiveButton(R.string.OK, null)\n .show();\n\t}\n\t\n\t/**\n\t * Load a raw string resource.\n\t * @param context The current context.\n\t * @param resourceId The resource id.\n\t * @return The loaded string.\n\t */\n\tpublic static String getStringFromRawResource(Context context, int resourceId) {\n\t\tString result = null;\n\t\t\n\t\tInputStream is = context.getResources().openRawResource(resourceId);\n\t\tif (is != null) {\n\t\t\tStringBuilder sb = new StringBuilder();\n\t\t\tString line;\n\n\t\t\ttry {\n\t\t\t\tBufferedReader reader = new BufferedReader(new InputStreamReader(is, \"UTF-8\"));\n\t\t\t\twhile ((line = reader.readLine()) != null) {\t\t\t\t\t\n\t\t\t\t\tsb.append(line).append(\"\\n\");\n\t\t\t\t}\n\t\t\t} catch (IOException e) {\n\t\t\t\tLog.w(\"ApplicationUtils\", String.format(\"Unable to load resource %s: %s\", resourceId, e.getMessage()));\n\t\t\t} finally {\n\t\t\t\ttry {\n\t\t\t\t\tis.close();\n\t\t\t\t} catch (IOException e) {\n\t\t\t\t\tLog.w(\"ApplicationUtils\", String.format(\"Unable to load resource %s: %s\", resourceId, e.getMessage()));\n\t\t\t\t}\n\t\t\t}\n\t\t\tresult = sb.toString();\n\t\t} else { \n\t\t\tresult = \"\";\n\t\t}\n\t\t\n\t\treturn result;\n\t}\n\n}\n"
},
{
"path": "src/org/tint/utils/Constants.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.utils;\n\npublic class Constants {\n\t\n\t/**\n\t * Actions.\n\t */\n\tpublic static final String ACTION_BROWSER_CONTEXT_MENU = \"ACTION_BROWSER_OPEN\";\n\t\n\t/**\n\t * Extras.\n\t */\n\tpublic static final String EXTRA_ID = \"EXTRA_ID\";\n\tpublic static final String EXTRA_ACTION_ID = \"EXTRA_ACTION_ID\";\n\tpublic static final String EXTRA_NEW_TAB = \"EXTRA_NEW_TAB\";\n\tpublic static final String EXTRA_LABEL = \"EXTRA_LABEL\";\n\tpublic static final String EXTRA_URL = \"EXTRA_URL\";\n\tpublic static final String EXTRA_FOLDER_ID = \"EXTRA_FOLDER_ID\";\n\tpublic static final String EXTRA_HIT_TEST_RESULT = \"EXTRA_HIT_TEST_RESULT\";\n\tpublic static final String EXTRA_INCOGNITO = \"EXTRA_INCOGNITO\";\n\t\n\t/**\n\t * Specials urls.\n\t */\n\tpublic static final String URL_ABOUT_BLANK = \"about:blank\";\n\tpublic static final String URL_ABOUT_START = \"about:start\";\n\tpublic static final String URL_ABOUT_TUTORIAL = \"about:tutorial\";\n\t\n\t/**\n\t * User agents\n\t */\n\tpublic static final String USER_AGENT_ANDROID = \"\";\n\tpublic static final String USER_AGENT_DESKTOP = \"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.34 Safari/534.24\";\n\t\n\t/**\n\t * Preferences.\n\t */\n\tpublic static final String PREFERENCE_HOME_PAGE = \"PREFERENCE_HOME_PAGE\";\n\tpublic static final String PREFERENCE_SEARCH_URL = \"PREFERENCE_SEARCH_URL\";\n\tpublic static final String PREFERENCE_START_PAGE_LIMIT = \"PREFERENCE_START_PAGE_LIMIT\";\n\tpublic static final String PREFERENCE_BUBBLE_POSITION = \"PREFERENCE_BUBBLE_POSITION\";\n\tpublic static final String PREFERENCE_TOOLBARS_AUTOHIDE_DURATION = \"PREFERENCE_TOOLBARS_AUTOHIDE_DURATION\";\n\tpublic static final String PREFERENCES_SWITCH_TABS_METHOD = \"PREFERENCES_SWITCH_TABS_METHOD\";\n\t\n\tpublic static final String PREFERENCE_ENABLE_JAVASCRIPT = \"PREFERENCE_ENABLE_JAVASCRIPT\";\n\tpublic static final String PREFERENCE_ENABLE_IMAGES = \"PREFERENCE_ENABLE_IMAGES\";\n\tpublic static final String PREFERENCE_USE_WIDE_VIEWPORT = \"PREFERENCE_USE_WIDE_VIEWPORT\";\n\tpublic static final String PREFERENCE_LOAD_WITH_OVERVIEW = \"PREFERENCE_LOAD_WITH_OVERVIEW\";\n\tpublic static final String PREFERENCE_USER_AGENT = \"PREFERENCE_USER_AGENT\";\n\tpublic static final String PREFERENCE_PLUGINS = \"PREFERENCE_PLUGINS\";\n\t\n\tpublic static final String PREFERENCE_ACCEPT_COOKIES = \"PREFERENCE_ACCEPT_COOKIES\";\n\tpublic static final String PREFERENCE_ENABLE_GEOLOCATION = \"PREFERENCE_ENABLE_GEOLOCATION\";\n\tpublic static final String PREFERENCE_REMEMBER_FORM_DATA = \"PREFERENCE_REMEMBER_FORM_DATA\";\n\tpublic static final String PREFERENCE_REMEMBER_PASSWORDS = \"PREFERENCE_REMEMBER_PASSWORDS\";\n\t\t\n\tpublic static final String PREFERENCE_HISTORY_SIZE = \"PREFERENCE_HISTORY_SIZE\";\n\tpublic static final String PREFERENCE_CLEAR_CACHE = \"PREFERENCE_CLEAR_CACHE\";\n\tpublic static final String PREFERENCE_WEBSITES_SETTINGS = \"PREFERENCE_WEBSITES_SETTINGS\";\n\tpublic static final String PREFERENCE_SSL_EXCEPTIONS = \"PREFERENCE_SSL_EXCEPTIONS\";\n\tpublic static final String PREFERENCE_CLEAR_HISTORY = \"PREFERENCE_CLEAR_HISTORY\";\n\tpublic static final String PREFERENCE_CLEAR_COOKIES = \"PREFERENCE_CLEAR_COOKIES\";\n\tpublic static final String PREFERENCE_CLEAR_GEOLOCATION = \"PREFERENCE_CLEAR_GEOLOCATION\";\n\tpublic static final String PREFERENCE_CLEAR_FORM_DATA = \"PREFERENCE_CLEAR_FORM_DATA\";\n\tpublic static final String PREFERENCE_CLEAR_PASSWORDS = \"PREFERENCE_CLEAR_PASSWORDS\";\n\tpublic static final String PREFERENCE_INCOGNITO_BY_DEFAULT = \"PREFERENCE_INCOGNITO_BY_DEFAULT\";\n\t\n\tpublic static final String PREFERENCE_TEXT_SCALING = \"PREFERENCE_TEXT_SCALING\";\n\tpublic static final String PREFERENCE_MINIMUM_FONT_SIZE = \"PREFERENCE_MINIMUM_FONT_SIZE\";\n\tpublic static final String PREFERENCE_INVERTED_DISPLAY = \"PREFERENCE_INVERTED_DISPLAY\";\n\tpublic static final String PREFERENCE_INVERTED_DISPLAY_CONTRAST = \"PREFERENCE_INVERTED_DISPLAY_CONTRAST\";\n\t\n\tpublic static final String PREFERENCE_BOOKMARKS_SORT_MODE = \"PREFERENCE_BOOKMARKS_SORT_MODE\";\n\t\n\tpublic static final String PREFERENCE_FULL_SCREEN = \"PREFERENCE_FULL_SCREEN\";\n\t\n\tpublic static final String PREFERENCE_RESTORE_TABS = \"PREFERENCE_RESTORE_TABS\";\n\t\n\tpublic static final String PREFERENCE_UI_TYPE = \"PREFERENCE_UI_TYPE\";\n\tpublic static final String PREFERENCE_CLOSE_PANEL_ON_NEW_TAB = \"PREFERENCE_CLOSE_PANEL_ON_NEW_TAB\";\n\t\n\tpublic static final String PREFERENCE_JS_LOG_ON_LOGCAT = \"PREFERENCE_JS_LOG_ON_LOGCAT\";\n\t\n\t/**\n\t * Technical preferences.\n\t */\n\tpublic static final String TECHNICAL_PREFERENCE_LAST_HISTORY_TRUNCATION = \"TECHNICAL_PREFERENCE_LAST_HISTORY_TRUNCATION\";\n\tpublic static final String TECHNICAL_PREFERENCE_FIRST_RUN = \"TECHNICAL_PREFERENCE_FIRST_RUN\";\n\tpublic static final String TECHNICAL_PREFERENCE_LAST_RUN_VERSION_CODE = \"TECHNICAL_PREFERENCE_LAST_RUN_VERSION_CODE\";\n\tpublic static final String TECHNICAL_PREFERENCE_ADDON_ENABLED = \"TECHNICAL_PREFERENCE_ADDON_ENABLED_\";\n\tpublic static final String TECHNICAL_PREFERENCE_SAVED_TABS = \"TECHNICAL_PREFERENCE_SAVED_TABS\";\n\tpublic static final String TECHNICAL_PREFERENCE_HOMEPAGE_URL_UPDATE_NEEDED = \"TECHNICAL_PREFERENCE_HOMEPAGE_URL_UPDATE_NEEDED\";\n}\n"
},
{
"path": "src/org/tint/utils/IOUtils.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.utils;\n\nimport java.io.File;\nimport java.io.FileFilter;\nimport java.util.ArrayList;\nimport java.util.Collections;\nimport java.util.Comparator;\nimport java.util.List;\nimport java.util.Locale;\n\nimport org.tint.R;\n\nimport android.content.Context;\nimport android.os.Environment;\n\npublic class IOUtils {\n\t\n\t/**\n\t * Get the list of xml files in the bookmark export folder.\n\t * @return The list of xml files in the bookmark export folder.\n\t */\n\tpublic static List getExportedBookmarksFileList() {\n\t\tList result = new ArrayList();\n\t\t\n\t\tFile folder = Environment.getExternalStorageDirectory();\t\t\n\t\t\n\t\tif (folder != null) {\n\t\t\t\n\t\t\tFileFilter filter = new FileFilter() {\n\t\t\t\t\n\t\t\t\t@Override\n\t\t\t\tpublic boolean accept(File pathname) {\n\t\t\t\t\tif ((pathname.isFile()) &&\n\t\t\t\t\t\t\t(pathname.getPath().toLowerCase(Locale.US).endsWith(\".xml\") ||\n\t\t\t\t\t\t\t pathname.getPath().toLowerCase(Locale.US).endsWith(\".json\"))) {\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t\treturn false;\n\t\t\t\t}\n\t\t\t};\n\t\t\t\n\t\t\tFile[] files = folder.listFiles(filter);\n\t\t\t\n\t\t\tfor (File file : files) {\n\t\t\t\tresult.add(file.getName());\n\t\t\t}\t\t\t\n\t\t}\n\t\t\n\t\tCollections.sort(result, new Comparator() {\n\n\t\t\t@Override\n\t\t\tpublic int compare(String arg0, String arg1) {\t\t\t\t\n\t\t\t\treturn arg1.compareTo(arg0);\n\t\t\t} \t\t\n \t});\n\t\t\n\t\treturn result;\n\t}\n\t\n\tpublic static String checkCardState(Context context) {\n\t\t// Check to see if we have an SDCard\n String status = Environment.getExternalStorageState();\n if (!status.equals(Environment.MEDIA_MOUNTED)) {\n \t// Check to see if the SDCard is busy, same as the music app\n if (status.equals(Environment.MEDIA_SHARED)) {\n return context.getString(R.string.SDCardErrorSDUnavailable);\n } else {\n return context.getString(R.string.SDCardErrorNoSDMsg);\n }\n }\n\t\t\n\t\treturn null;\t\t\n\t}\n\n}\n"
},
{
"path": "src/org/tint/utils/UrlUtils.java",
"content": "/*\n * Tint Browser for Android\n * \n * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.\n *\n * This program is free software; you can redistribute it and/or\n * modify it under the terms of the GNU General Public License\n * version 3 as published by the Free Software Foundation.\n *\n * This program is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n */\n\npackage org.tint.utils;\n\nimport org.tint.R;\n\nimport android.content.Context;\nimport android.content.SharedPreferences.Editor;\nimport android.preference.PreferenceManager;\n\n/**\n * Url management utils.\n */\npublic class UrlUtils {\n\n\t/**\n\t * Check if a string is an url.\n\t * For now, just consider that if a string contains a dot, it is an url.\n\t * @param url The url to check.\n\t * @return True if the string is an url.\n\t */\n\tpublic static boolean isUrl(String url) {\n\t\treturn \n\t\t\turl.contains(\".\") ||\n\t\t\turl.equals(Constants.URL_ABOUT_BLANK) ||\n\t\t\turl.equals(Constants.URL_ABOUT_START) ||\n\t\t\turl.equals(Constants.URL_ABOUT_TUTORIAL);\n\t}\n\t\n\tpublic static String getRawSearchUrl(Context context) {\n\t\tString currentSearchUrl = PreferenceManager.getDefaultSharedPreferences(context).getString(Constants.PREFERENCE_SEARCH_URL, context.getString(R.string.SearchUrlGoogle));\n\t\tif (currentSearchUrl.contains(\"%s\")) {\n\t\t\tcurrentSearchUrl = currentSearchUrl.replaceAll(\"%s\", \"{searchTerms}\");\n\t\t\t\n\t\t\tEditor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();\n\t\t\teditor.putString(Constants.PREFERENCE_SEARCH_URL, currentSearchUrl);\n\t\t\teditor.commit();\n\t\t}\n\t\t\n\t\treturn currentSearchUrl;\n\t}\n\t\n\t/**\n\t * Get the current search url.\n\t * @param context The current context.\n\t * @param searchTerms The terms to search for.\n\t * @return The search url.\n\t */\n\tpublic static String getSearchUrl(Context context, String searchTerms) {\n\t\tString currentSearchUrl = getRawSearchUrl(context);\n\t\treturn currentSearchUrl.replaceAll(\"\\\\{searchTerms\\\\}\", searchTerms);\n\t}\n\t\n\t/**\n\t * Check en url. Add http:// before if missing.\n\t * @param url The url to check.\n\t * @return The modified url if necessary.\n\t */\n\tpublic static String checkUrl(String url) {\n\t\tif ((url != null) &&\n \t\t\t(url.length() > 0)) {\n \t\n \t\tif ((!url.startsWith(\"http://\")) &&\n \t\t\t\t(!url.startsWith(\"https://\")) &&\n \t\t\t\t(!url.startsWith(\"file://\")) &&\n \t\t\t\t(!url.startsWith(Constants.URL_ABOUT_BLANK)) &&\n \t\t\t\t(!url.startsWith(Constants.URL_ABOUT_START)) &&\n \t\t\t\t(!url.startsWith(Constants.URL_ABOUT_TUTORIAL))) {\n \t\t\t\n \t\t\turl = \"http://\" + url;\n \t\t\t\n \t\t}\n\t\t}\n\t\t\n\t\treturn url;\n\t}\t\t\n\t\n}\n"
}
]
![](\"button.png\")
\n\t![](\"slide_panel.png\")
\n\t![](\"close_tab.png\")
\n\t