Merge "Adjust drag regions to accomodate split-minimized home" into rvc-dev (40f7d483) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/Task.java

+6 −1

Original line number	Diff line number	Diff line
		@@ -2924,7 +2924,12 @@ class Task extends WindowContainer<WindowContainer> {
		}

		boolean cropWindowsToStackBounds() {
		return isResizeable();
		// Don't crop HOME/RECENTS windows to stack bounds. This is because in split-screen
		// they extend past their stack and sysui uses the stack surface to control cropping.
		// TODO(b/158242495): get rid of this when drag/drop can use surface bounds.
		final boolean isTopHomeOrRecents = (isActivityTypeHome() \|\| isActivityTypeRecents())
		&& getRootTask().getTopMostTask() == this;
		return isResizeable() && !isTopHomeOrRecents;
		}

		/**

services/core/java/com/android/server/wm/TaskDisplayArea.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -207,6 +207,15 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		return mRootSplitScreenPrimaryTask;
		}

		ActivityStack getRootSplitScreenSecondaryTask() {
		for (int i = mChildren.size() - 1; i >= 0; --i) {
		if (mChildren.get(i).inSplitScreenSecondaryWindowingMode()) {
		return mChildren.get(i);
		}
		}
		return null;
		}

		ArrayList<Task> getVisibleTasks() {
		final ArrayList<Task> visibleTasks = new ArrayList<>();
		forAllTasks(task -> {

services/core/java/com/android/server/wm/WindowState.java

+37 −0

Original line number	Diff line number	Diff line
		@@ -1528,6 +1528,29 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
		&& dc != null ? dc.getDefaultTaskDisplayArea().getRootHomeTask() : null;
		}

		/**
		* This is a form of rectangle "difference". It cut off each dimension of rect by the amount
		* that toRemove is "pushing into" it from the outside. Any dimension that fully contains
		* toRemove won't change.
		*/
		private void cutRect(Rect rect, Rect toRemove) {
		if (toRemove.isEmpty()) return;
		if (toRemove.top < rect.bottom && toRemove.bottom > rect.top) {
		if (toRemove.right >= rect.right && toRemove.left >= rect.left) {
		rect.right = toRemove.left;
		} else if (toRemove.left <= rect.left && toRemove.right <= rect.right) {
		rect.left = toRemove.right;
		}
		}
		if (toRemove.left < rect.right && toRemove.right > rect.left) {
		if (toRemove.bottom >= rect.bottom && toRemove.top >= rect.top) {
		rect.bottom = toRemove.top;
		} else if (toRemove.top <= rect.top && toRemove.bottom <= rect.bottom) {
		rect.top = toRemove.bottom;
		}
		}
		}

		/**
		* Retrieves the visible bounds of the window.
		* @param bounds The rect which gets the bounds.
		@@ -1544,6 +1567,20 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
		} else {
		intersectWithStackBounds = false;
		}
		if (inSplitScreenPrimaryWindowingMode()) {
		// If this is in the primary split and the home stack is the top visible task in
		// the secondary split, it means this is "minimized" and thus must prevent
		// overlapping with home.
		// TODO(b/158242495): get rid of this when drag/drop can use surface bounds.
		final ActivityStack rootSecondary =
		task.getDisplayArea().getRootSplitScreenSecondaryTask();
		if (rootSecondary.isActivityTypeHome() \|\| rootSecondary.isActivityTypeRecents()) {
		final WindowContainer topTask = rootSecondary.getTopChild();
		if (topTask.isVisible()) {
		cutRect(mTmpRect, topTask.getBounds());
		}
		}
		}
		}

		bounds.set(mWindowFrames.mVisibleFrame);