public void setMagnifiedRegionBorderShownLocked(boolean shown, boolean animate) {
if (shown) {
mFullRedrawNeeded = true;
mOldMagnifiedBounds.set(0, 0, 0, 0);
}
mWindow.setShown(shown, animate);
}
public void onRotationChangedLocked() {
// If we are magnifying, hide the magnified border window immediately so
// the user does not see strange artifacts during rotation. The screenshot
// used for rotation has already the border. After the rotation is complete
// we will show the border.
if (isMagnifyingLocked()) {
setMagnifiedRegionBorderShownLocked(false, false);
final long delay =
(long) (mLongAnimationDuration * mWindowManagerService.mWindowAnimationScale);
Message message =
mHandler.obtainMessage(MyHandler.MESSAGE_SHOW_MAGNIFIED_REGION_BOUNDS_IF_NEEDED);
mHandler.sendMessageDelayed(message, delay);
}
recomputeBoundsLocked();
mWindow.updateSize();
}
public void destroyWindow() {
mWindow.releaseSurface();
}
/** NOTE: This has to be called within a surface transaction. */
public void drawWindowIfNeededLocked() {
recomputeBoundsLocked();
mWindow.drawIfNeeded();
}
public void recomputeBoundsLocked() {
mWindowManager.getDefaultDisplay().getRealSize(mTempPoint);
final int screenWidth = mTempPoint.x;
final int screenHeight = mTempPoint.y;
Region magnifiedBounds = mMagnifiedBounds;
magnifiedBounds.set(0, 0, 0, 0);
Region availableBounds = mTempRegion1;
availableBounds.set(0, 0, screenWidth, screenHeight);
Region nonMagnifiedBounds = mTempRegion4;
nonMagnifiedBounds.set(0, 0, 0, 0);
SparseArray<WindowStateInfo> visibleWindows = mTempWindowStateInfos;
visibleWindows.clear();
getWindowsOnScreenLocked(visibleWindows);
final int visibleWindowCount = visibleWindows.size();
for (int i = visibleWindowCount - 1; i >= 0; i--) {
WindowStateInfo info = visibleWindows.valueAt(i);
if (info.mWindowState.mAttrs.type
== WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY) {
continue;
}
Region windowBounds = mTempRegion2;
Matrix matrix = mTempMatrix;
populateTransformationMatrix(info.mWindowState, matrix);
RectF windowFrame = mTempRectF;
if (mWindowManagerService.mPolicy.canMagnifyWindow(info.mWindowState.mAttrs.type)) {
windowFrame.set(info.mWindowState.mFrame);
windowFrame.offset(-windowFrame.left, -windowFrame.top);
matrix.mapRect(windowFrame);
windowBounds.set(
(int) windowFrame.left,
(int) windowFrame.top,
(int) windowFrame.right,
(int) windowFrame.bottom);
magnifiedBounds.op(windowBounds, Region.Op.UNION);
magnifiedBounds.op(availableBounds, Region.Op.INTERSECT);
} else {
windowFrame.set(info.mTouchableRegion);
windowFrame.offset(-info.mWindowState.mFrame.left, -info.mWindowState.mFrame.top);
matrix.mapRect(windowFrame);
windowBounds.set(
(int) windowFrame.left,
(int) windowFrame.top,
(int) windowFrame.right,
(int) windowFrame.bottom);
nonMagnifiedBounds.op(windowBounds, Region.Op.UNION);
windowBounds.op(magnifiedBounds, Region.Op.DIFFERENCE);
availableBounds.op(windowBounds, Region.Op.DIFFERENCE);
}
Region accountedBounds = mTempRegion2;
accountedBounds.set(magnifiedBounds);
accountedBounds.op(nonMagnifiedBounds, Region.Op.UNION);
accountedBounds.op(0, 0, screenWidth, screenHeight, Region.Op.INTERSECT);
if (accountedBounds.isRect()) {
Rect accountedFrame = mTempRect1;
accountedBounds.getBounds(accountedFrame);
if (accountedFrame.width() == screenWidth && accountedFrame.height() == screenHeight) {
break;
}
}
}
for (int i = visibleWindowCount - 1; i >= 0; i--) {
WindowStateInfo info = visibleWindows.valueAt(i);
info.recycle();
visibleWindows.removeAt(i);
}
magnifiedBounds.op(
mHalfBorderWidth,
mHalfBorderWidth,
screenWidth - mHalfBorderWidth,
screenHeight - mHalfBorderWidth,
Region.Op.INTERSECT);
if (!mOldMagnifiedBounds.equals(magnifiedBounds)) {
Region bounds = Region.obtain();
bounds.set(magnifiedBounds);
mHandler
.obtainMessage(MyHandler.MESSAGE_NOTIFY_MAGNIFIED_BOUNDS_CHANGED, bounds)
.sendToTarget();
mWindow.setBounds(magnifiedBounds);
Rect dirtyRect = mTempRect1;
if (mFullRedrawNeeded) {
mFullRedrawNeeded = false;
dirtyRect.set(
mHalfBorderWidth,
mHalfBorderWidth,
screenWidth - mHalfBorderWidth,
screenHeight - mHalfBorderWidth);
mWindow.invalidate(dirtyRect);
} else {
Region dirtyRegion = mTempRegion3;
dirtyRegion.set(magnifiedBounds);
dirtyRegion.op(mOldMagnifiedBounds, Region.Op.UNION);
dirtyRegion.op(nonMagnifiedBounds, Region.Op.INTERSECT);
dirtyRegion.getBounds(dirtyRect);
mWindow.invalidate(dirtyRect);
}
mOldMagnifiedBounds.set(magnifiedBounds);
}
}