Merge "Snap to last task if swiping down at a greater Y than X velocity." into tm-dev (df436c36) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java

+16 −18

Original line number	Diff line number	Diff line
		@@ -1013,19 +1013,19 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		return RECENTS;
		}
		final GestureEndTarget endTarget;
		final boolean goingToNewTask;
		final boolean canGoToNewTask;
		if (mRecentsView != null) {
		if (!hasTargets()) {
		// If there are no running tasks, then we can assume that this is a continuation of
		// the last gesture, but after the recents animation has finished
		goingToNewTask = true;
		canGoToNewTask = true;
		} else {
		final int runningTaskIndex = mRecentsView.getRunningTaskIndex();
		final int taskToLaunch = mRecentsView.getNextPage();
		goingToNewTask = runningTaskIndex >= 0 && taskToLaunch != runningTaskIndex;
		canGoToNewTask = runningTaskIndex >= 0 && taskToLaunch != runningTaskIndex;
		}
		} else {
		goingToNewTask = false;
		canGoToNewTask = false;
		}
		final boolean reachedOverviewThreshold = mCurrentShift.value >= MIN_PROGRESS_FOR_OVERVIEW;
		final boolean isFlingX = Math.abs(velocity.x) > mContext.getResources()
		@@ -1034,13 +1034,13 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		if (isCancel) {
		endTarget = LAST_TASK;
		} else if (mDeviceState.isFullyGesturalNavMode()) {
		if (goingToNewTask && isFlingX) {
		if (canGoToNewTask && isFlingX) {
		// Flinging towards new task takes precedence over mIsMotionPaused (which only
		// checks y-velocity).
		endTarget = NEW_TASK;
		} else if (mIsMotionPaused) {
		endTarget = RECENTS;
		} else if (goingToNewTask) {
		} else if (canGoToNewTask) {
		endTarget = NEW_TASK;
		} else {
		endTarget = !reachedOverviewThreshold ? LAST_TASK : HOME;
		@@ -1048,26 +1048,22 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		} else {
		endTarget = reachedOverviewThreshold && mGestureStarted
		? RECENTS
		: goingToNewTask
		: canGoToNewTask
		? NEW_TASK
		: LAST_TASK;
		}
		} else {
		// If swiping at a diagonal, base end target on the faster velocity.
		boolean isSwipeUp = endVelocity < 0;
		boolean willGoToNewTaskOnSwipeUp =
		goingToNewTask && Math.abs(velocity.x) > Math.abs(endVelocity);
		boolean willGoToNewTask =
		canGoToNewTask && Math.abs(velocity.x) > Math.abs(endVelocity);

		if (mDeviceState.isFullyGesturalNavMode() && isSwipeUp && !willGoToNewTaskOnSwipeUp) {
		endTarget = HOME;
		} else if (mDeviceState.isFullyGesturalNavMode() && isSwipeUp) {
		// If swiping at a diagonal, base end target on the faster velocity.
		endTarget = NEW_TASK;
		if (mDeviceState.isFullyGesturalNavMode() && isSwipeUp) {
		endTarget = willGoToNewTask ? NEW_TASK : HOME;
		} else if (isSwipeUp) {
		endTarget = !reachedOverviewThreshold && willGoToNewTaskOnSwipeUp
		? NEW_TASK : RECENTS;
		endTarget = (!reachedOverviewThreshold && willGoToNewTask) ? NEW_TASK : RECENTS;
		} else {
		endTarget = goingToNewTask ? NEW_TASK : LAST_TASK;
		endTarget = willGoToNewTask ? NEW_TASK : LAST_TASK; // Swipe is downward.
		}
		}

		@@ -1145,6 +1141,8 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
		duration = Math.max(duration, mRecentsView.getScroller().getDuration());
		}
		}
		} else if (endTarget == LAST_TASK && mRecentsView != null) {
		mRecentsView.snapToPage(mRecentsView.getCurrentPage(), Math.toIntExact(duration));
		}

		// Let RecentsView handle the scrolling to the task, which we launch in startNewTask()