/* Updates the cached window information provided to the input dispatcher. */
public void updateInputWindowsLw(boolean force) {
if (!force && !mUpdateInputWindowsNeeded) {
return;
}
mUpdateInputWindowsNeeded = false;
if (false) Slog.d(TAG_WM, ">>>>>> ENTERED updateInputWindowsLw");
// Populate the input window list with information about all of the windows that
// could potentially receive input.
// As an optimization, we could try to prune the list of windows but this turns
// out to be difficult because only the native code knows for sure which window
// currently has touch focus.
boolean disableWallpaperTouchEvents = false;
// If there's a drag in flight, provide a pseudowindow to catch drag input
final boolean inDrag = (mService.mDragState != null);
if (inDrag) {
if (DEBUG_DRAG) {
Log.d(TAG_WM, "Inserting drag window");
}
final InputWindowHandle dragWindowHandle = mService.mDragState.mDragWindowHandle;
if (dragWindowHandle != null) {
addInputWindowHandleLw(dragWindowHandle);
} else {
Slog.w(TAG_WM, "Drag is in progress but there is no " + "drag window handle.");
}
}
final boolean inPositioning = (mService.mTaskPositioner != null);
if (inPositioning) {
if (DEBUG_TASK_POSITIONING) {
Log.d(TAG_WM, "Inserting window handle for repositioning");
}
final InputWindowHandle dragWindowHandle = mService.mTaskPositioner.mDragWindowHandle;
if (dragWindowHandle != null) {
addInputWindowHandleLw(dragWindowHandle);
} else {
Slog.e(TAG_WM, "Repositioning is in progress but there is no drag window handle.");
}
}
boolean addInputConsumerHandle = mService.mInputConsumer != null;
boolean addWallpaperInputConsumerHandle = mService.mWallpaperInputConsumer != null;
// Add all windows on the default display.
final int numDisplays = mService.mDisplayContents.size();
final WallpaperController wallpaperController = mService.mWallpaperControllerLocked;
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
final DisplayContent displayContent = mService.mDisplayContents.valueAt(displayNdx);
final WindowList windows = displayContent.getWindowList();
for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) {
final WindowState child = windows.get(winNdx);
final InputChannel inputChannel = child.mInputChannel;
final InputWindowHandle inputWindowHandle = child.mInputWindowHandle;
if (inputChannel == null
|| inputWindowHandle == null
|| child.mRemoved
|| child.isAdjustedForMinimizedDock()) {
// Skip this window because it cannot possibly receive input.
continue;
}
if (addInputConsumerHandle
&& inputWindowHandle.layer <= mService.mInputConsumer.mWindowHandle.layer) {
addInputWindowHandleLw(mService.mInputConsumer.mWindowHandle);
addInputConsumerHandle = false;
}
if (addWallpaperInputConsumerHandle) {
if (child.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER) {
// Add the wallpaper input consumer above the first wallpaper window.
addInputWindowHandleLw(mService.mWallpaperInputConsumer.mWindowHandle);
addWallpaperInputConsumerHandle = false;
}
}
final int flags = child.mAttrs.flags;
final int privateFlags = child.mAttrs.privateFlags;
final int type = child.mAttrs.type;
final boolean hasFocus = (child == mInputFocus);
final boolean isVisible = child.isVisibleLw();
if ((privateFlags & WindowManager.LayoutParams.PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS)
!= 0) {
disableWallpaperTouchEvents = true;
}
final boolean hasWallpaper =
wallpaperController.isWallpaperTarget(child)
&& (privateFlags & WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD) == 0
&& !disableWallpaperTouchEvents;
final boolean onDefaultDisplay = (child.getDisplayId() == Display.DEFAULT_DISPLAY);
// If there's a drag in progress and 'child' is a potential drop target,
// make sure it's been told about the drag
if (inDrag && isVisible && onDefaultDisplay) {
mService.mDragState.sendDragStartedIfNeededLw(child);
}
addInputWindowHandleLw(
inputWindowHandle, child, flags, type, isVisible, hasFocus, hasWallpaper);
}
}
if (addWallpaperInputConsumerHandle) {
// No wallpaper found, add the wallpaper input consumer at the end.
addInputWindowHandleLw(mService.mWallpaperInputConsumer.mWindowHandle);
}
// Send windows to native code.
mService.mInputManager.setInputWindows(mInputWindowHandles);
// Clear the list in preparation for the next round.
clearInputWindowHandlesLw();
if (false) Slog.d(TAG_WM, "<<<<<<< EXITED updateInputWindowsLw");
}
/* Updates the cached window information provided to the input dispatcher. */
public void updateInputWindowsLw(boolean force) {
if (!force && !mUpdateInputWindowsNeeded) {
return;
}
mUpdateInputWindowsNeeded = false;
if (false) Slog.d(WindowManagerService.TAG, ">>>>>> ENTERED updateInputWindowsLw");
// Populate the input window list with information about all of the windows that
// could potentially receive input.
// As an optimization, we could try to prune the list of windows but this turns
// out to be difficult because only the native code knows for sure which window
// currently has touch focus.
final ArrayList<WindowState> windows = mService.mWindows;
// If there's a drag in flight, provide a pseudowindow to catch drag input
final boolean inDrag = (mService.mDragState != null);
if (inDrag) {
if (WindowManagerService.DEBUG_DRAG) {
Log.d(WindowManagerService.TAG, "Inserting drag window");
}
final InputWindowHandle dragWindowHandle = mService.mDragState.mDragWindowHandle;
if (dragWindowHandle != null) {
addInputWindowHandleLw(dragWindowHandle);
} else {
Slog.w(
WindowManagerService.TAG,
"Drag is in progress but there is no " + "drag window handle.");
}
}
final int NFW = mService.mFakeWindows.size();
for (int i = 0; i < NFW; i++) {
addInputWindowHandleLw(mService.mFakeWindows.get(i).mWindowHandle);
}
final int N = windows.size();
for (int i = N - 1; i >= 0; i--) {
final WindowState child = windows.get(i);
final InputChannel inputChannel = child.mInputChannel;
final InputWindowHandle inputWindowHandle = child.mInputWindowHandle;
if (inputChannel == null || inputWindowHandle == null || child.mRemoved) {
// Skip this window because it cannot possibly receive input.
continue;
}
final int flags = child.mAttrs.flags;
final int type = child.mAttrs.type;
final boolean hasFocus = (child == mInputFocus);
final boolean isVisible = child.isVisibleLw();
final boolean hasWallpaper =
(child == mService.mWallpaperTarget)
&& (type != WindowManager.LayoutParams.TYPE_KEYGUARD);
// If there's a drag in progress and 'child' is a potential drop target,
// make sure it's been told about the drag
if (inDrag && isVisible) {
mService.mDragState.sendDragStartedIfNeededLw(child);
}
// Add a window to our list of input windows.
inputWindowHandle.name = child.toString();
inputWindowHandle.layoutParamsFlags = flags;
inputWindowHandle.layoutParamsType = type;
inputWindowHandle.dispatchingTimeoutNanos = child.getInputDispatchingTimeoutNanos();
inputWindowHandle.visible = isVisible;
inputWindowHandle.canReceiveKeys = child.canReceiveKeys();
inputWindowHandle.hasFocus = hasFocus;
inputWindowHandle.hasWallpaper = hasWallpaper;
inputWindowHandle.paused = child.mAppToken != null ? child.mAppToken.paused : false;
inputWindowHandle.layer = child.mLayer;
inputWindowHandle.ownerPid = child.mSession.mPid;
inputWindowHandle.ownerUid = child.mSession.mUid;
inputWindowHandle.inputFeatures = child.mAttrs.inputFeatures;
final Rect frame = child.mFrame;
inputWindowHandle.frameLeft = frame.left;
inputWindowHandle.frameTop = frame.top;
inputWindowHandle.frameRight = frame.right;
inputWindowHandle.frameBottom = frame.bottom;
if (child.mGlobalScale != 1) {
// If we are scaling the window, input coordinates need
// to be inversely scaled to map from what is on screen
// to what is actually being touched in the UI.
inputWindowHandle.scaleFactor = 1.0f / child.mGlobalScale;
} else {
inputWindowHandle.scaleFactor = 1;
}
child.getTouchableRegion(inputWindowHandle.touchableRegion);
addInputWindowHandleLw(inputWindowHandle);
}
// Send windows to native code.
mService.mInputManager.setInputWindows(mInputWindowHandles);
// Clear the list in preparation for the next round.
clearInputWindowHandlesLw();
if (false) Slog.d(WindowManagerService.TAG, "<<<<<<< EXITED updateInputWindowsLw");
}