Examples with TaskStack com.android.systemui.recents.model.TaskStack used on opensource projects

Example 6 with TaskStack

use of com.android.systemui.recents.model.TaskStack in project platform_frameworks_base by android.

the class RecentsActivity method onMultiWindowModeChanged.

@Override
public void onMultiWindowModeChanged(boolean isInMultiWindowMode) {
    super.onMultiWindowModeChanged(isInMultiWindowMode);
    // Reload the task stack completely
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
    loader.preloadTasks(loadPlan, -1, /* runningTaskId */
    false);
    RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
    loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
    loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
    loader.loadTasks(this, loadPlan, loadOpts);
    TaskStack stack = loadPlan.getTaskStack();
    int numStackTasks = stack.getStackTaskCount();
    boolean showDeferredAnimation = numStackTasks > 0;
    EventBus.getDefault().send(new ConfigurationChangedEvent(true, /* fromMultiWindow */
    false, /* fromDeviceOrientationChange */
    false, /* fromDisplayDensityChange */
    numStackTasks > 0));
    EventBus.getDefault().send(new MultiWindowStateChangedEvent(isInMultiWindowMode, showDeferredAnimation, stack));
}

Example 7 with TaskStack

use of com.android.systemui.recents.model.TaskStack in project platform_frameworks_base by android.

the class RecentsImpl method showRelativeAffiliatedTask.

/**
     * Transitions to the next affiliated task.
     */
public void showRelativeAffiliatedTask(boolean showNextTask) {
    SystemServicesProxy ssp = Recents.getSystemServices();
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan plan = loader.createLoadPlan(mContext);
    loader.preloadTasks(plan, -1, false);
    TaskStack focusedStack = plan.getTaskStack();
    // Return early if there are no tasks in the focused stack
    if (focusedStack == null || focusedStack.getTaskCount() == 0)
        return;
    // Return early if there is no running task (can't determine affiliated tasks in this case)
    ActivityManager.RunningTaskInfo runningTask = ssp.getRunningTask();
    if (runningTask == null)
        return;
    // Return early if the running task is in the home stack (optimization)
    if (SystemServicesProxy.isHomeStack(runningTask.stackId))
        return;
    // Find the task in the recents list
    ArrayList<Task> tasks = focusedStack.getStackTasks();
    Task toTask = null;
    ActivityOptions launchOpts = null;
    int taskCount = tasks.size();
    int numAffiliatedTasks = 0;
    for (int i = 0; i < taskCount; i++) {
        Task task = tasks.get(i);
        if (task.key.id == runningTask.id) {
            TaskGrouping group = task.group;
            Task.TaskKey toTaskKey;
            if (showNextTask) {
                toTaskKey = group.getNextTaskInGroup(task);
                launchOpts = ActivityOptions.makeCustomAnimation(mContext, R.anim.recents_launch_next_affiliated_task_target, R.anim.recents_launch_next_affiliated_task_source);
            } else {
                toTaskKey = group.getPrevTaskInGroup(task);
                launchOpts = ActivityOptions.makeCustomAnimation(mContext, R.anim.recents_launch_prev_affiliated_task_target, R.anim.recents_launch_prev_affiliated_task_source);
            }
            if (toTaskKey != null) {
                toTask = focusedStack.findTaskWithId(toTaskKey.id);
            }
            numAffiliatedTasks = group.getTaskCount();
            break;
        }
    }
    // Return early if there is no next task
    if (toTask == null) {
        if (numAffiliatedTasks > 1) {
            if (showNextTask) {
                ssp.startInPlaceAnimationOnFrontMostApplication(ActivityOptions.makeCustomInPlaceAnimation(mContext, R.anim.recents_launch_next_affiliated_task_bounce));
            } else {
                ssp.startInPlaceAnimationOnFrontMostApplication(ActivityOptions.makeCustomInPlaceAnimation(mContext, R.anim.recents_launch_prev_affiliated_task_bounce));
            }
        }
        return;
    }
    // Keep track of actually launched affiliated tasks
    MetricsLogger.count(mContext, "overview_affiliated_task_launch", 1);
    // Launch the task
    ssp.startActivityFromRecents(mContext, toTask.key, toTask.title, launchOpts);
}

Example 8 with TaskStack

use of com.android.systemui.recents.model.TaskStack in project android_frameworks_base by DirtyUnicorns.

the class RecentsImpl method getThumbnailTransitionTransform.

/**
     * Returns the transition rect for the given task id.
     */
private TaskViewTransform getThumbnailTransitionTransform(TaskStackView stackView, Task runningTaskOut, Rect windowOverrideRect) {
    // Find the running task in the TaskStack
    TaskStack stack = stackView.getStack();
    Task launchTask = stack.getLaunchTarget();
    if (launchTask != null) {
        runningTaskOut.copyFrom(launchTask);
    } else {
        // If no task is specified or we can not find the task just use the front most one
        launchTask = stack.getStackFrontMostTask(true);
        runningTaskOut.copyFrom(launchTask);
    }
    // Get the transform for the running task
    stackView.updateLayoutAlgorithm(true);
    stackView.updateToInitialState();
    stackView.getStackAlgorithm().getStackTransformScreenCoordinates(launchTask, stackView.getScroller().getStackScroll(), mTmpTransform, null, windowOverrideRect);
    return mTmpTransform;
}

Example 9 with TaskStack

use of com.android.systemui.recents.model.TaskStack in project android_frameworks_base by DirtyUnicorns.

the class RecentsImpl method showNextTask.

/**
     * Transitions to the next recent task in the stack.
     */
public void showNextTask() {
    SystemServicesProxy ssp = Recents.getSystemServices();
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan plan = loader.createLoadPlan(mContext);
    loader.preloadTasks(plan, -1, false);
    TaskStack focusedStack = plan.getTaskStack();
    // Return early if there are no tasks in the focused stack
    if (focusedStack == null || focusedStack.getTaskCount() == 0)
        return;
    // Return early if there is no running task
    ActivityManager.RunningTaskInfo runningTask = ssp.getRunningTask();
    if (runningTask == null)
        return;
    // Find the task in the recents list
    boolean isRunningTaskInHomeStack = SystemServicesProxy.isHomeStack(runningTask.stackId);
    ArrayList<Task> tasks = focusedStack.getStackTasks();
    Task toTask = null;
    ActivityOptions launchOpts = null;
    int taskCount = tasks.size();
    for (int i = taskCount - 1; i >= 1; i--) {
        Task task = tasks.get(i);
        if (isRunningTaskInHomeStack) {
            toTask = tasks.get(i - 1);
            launchOpts = ActivityOptions.makeCustomAnimation(mContext, R.anim.recents_launch_next_affiliated_task_target, R.anim.recents_fast_toggle_app_home_exit);
            break;
        } else if (task.key.id == runningTask.id) {
            toTask = tasks.get(i - 1);
            launchOpts = ActivityOptions.makeCustomAnimation(mContext, R.anim.recents_launch_prev_affiliated_task_target, R.anim.recents_launch_prev_affiliated_task_source);
            break;
        }
    }
    // Return early if there is no next task
    if (toTask == null) {
        ssp.startInPlaceAnimationOnFrontMostApplication(ActivityOptions.makeCustomInPlaceAnimation(mContext, R.anim.recents_launch_prev_affiliated_task_bounce));
        return;
    }
    // Launch the task
    ssp.startActivityFromRecents(mContext, toTask.key, toTask.title, launchOpts);
}

Example 10 with TaskStack

use of com.android.systemui.recents.model.TaskStack in project android_frameworks_base by DirtyUnicorns.

the class RecentsImpl method preloadRecents.

public void preloadRecents() {
    // Preload only the raw task list into a new load plan (which will be consumed by the
    // RecentsActivity) only if there is a task to animate to.
    SystemServicesProxy ssp = Recents.getSystemServices();
    MutableBoolean isHomeStackVisible = new MutableBoolean(true);
    if (!ssp.isRecentsActivityVisible(isHomeStackVisible)) {
        ActivityManager.RunningTaskInfo runningTask = ssp.getRunningTask();
        RecentsTaskLoader loader = Recents.getTaskLoader();
        sInstanceLoadPlan = loader.createLoadPlan(mContext);
        sInstanceLoadPlan.preloadRawTasks(!isHomeStackVisible.value);
        loader.preloadTasks(sInstanceLoadPlan, runningTask.id, !isHomeStackVisible.value);
        TaskStack stack = sInstanceLoadPlan.getTaskStack();
        if (stack.getTaskCount() > 0) {
            // Only preload the icon (but not the thumbnail since it may not have been taken for
            // the pausing activity)
            preloadIcon(runningTask.id);
            // At this point, we don't know anything about the stack state.  So only calculate
            // the dimensions of the thumbnail that we need for the transition into Recents, but
            // do not draw it until we construct the activity options when we start Recents
            updateHeaderBarLayout(stack, null);
        }
    }
}