private void addInputWindowHandleLw(
final InputWindowHandle inputWindowHandle,
final WindowState child,
int flags,
final int type,
final boolean isVisible,
final boolean hasFocus,
final boolean hasWallpaper) {
// Add a window to our list of input windows.
inputWindowHandle.name = child.toString();
flags = child.getTouchableRegion(inputWindowHandle.touchableRegion, flags);
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.isDockedInEffect()) {
// Adjust to account for non-resizeable tasks that's scrolled
inputWindowHandle.frameLeft += child.mXOffset;
inputWindowHandle.frameTop += child.mYOffset;
inputWindowHandle.frameRight += child.mXOffset;
inputWindowHandle.frameBottom += child.mYOffset;
}
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;
}
if (DEBUG_INPUT) {
Slog.d(TAG_WM, "addInputWindowHandle: " + child + ", " + inputWindowHandle);
}
addInputWindowHandleLw(inputWindowHandle);
}
/* Called when the current input focus changes.
* Layer assignment is assumed to be complete by the time this is called.
*/
public void setInputFocusLw(WindowState newWindow, boolean updateInputWindows) {
if (DEBUG_FOCUS_LIGHT || DEBUG_INPUT) {
Slog.d(TAG_WM, "Input focus has changed to " + newWindow);
}
if (newWindow != mInputFocus) {
if (newWindow != null && newWindow.canReceiveKeys()) {
// Displaying a window implicitly causes dispatching to be unpaused.
// This is to protect against bugs if someone pauses dispatching but
// forgets to resume.
newWindow.mToken.paused = false;
}
mInputFocus = newWindow;
setUpdateInputWindowsNeededLw();
if (updateInputWindows) {
updateInputWindowsLw(false /*force*/);
}
}
}
/* 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");
}