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

Example 11 with TaskStack

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

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 12 with TaskStack

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

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 13 with TaskStack

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

the class RecentsImpl method startRecentsActivity.

/**
     * Shows the recents activity
     */
protected void startRecentsActivity(ActivityManager.RunningTaskInfo runningTask, boolean isHomeStackVisible, boolean animate, int growTarget) {
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
    SystemServicesProxy ssp = Recents.getSystemServices();
    boolean isBlacklisted = (runningTask != null) ? ssp.isBlackListedActivity(runningTask.baseActivity.getClassName()) : false;
    int runningTaskId = !mLaunchedWhileDocking && !isBlacklisted && (runningTask != null) ? runningTask.id : -1;
    // the stacks might have changed.
    if (mLaunchedWhileDocking || mTriggeredFromAltTab || sInstanceLoadPlan == null) {
        // Create a new load plan if preloadRecents() was never triggered
        sInstanceLoadPlan = loader.createLoadPlan(mContext);
    }
    if (mLaunchedWhileDocking || mTriggeredFromAltTab || !sInstanceLoadPlan.hasTasks()) {
        loader.preloadTasks(sInstanceLoadPlan, runningTaskId, !isHomeStackVisible);
    }
    TaskStack stack = sInstanceLoadPlan.getTaskStack();
    boolean hasRecentTasks = stack.getTaskCount() > 0;
    boolean useThumbnailTransition = (runningTask != null) && !isHomeStackVisible && hasRecentTasks;
    // Update the launch state that we need in updateHeaderBarLayout()
    launchState.launchedFromHome = !useThumbnailTransition && !mLaunchedWhileDocking;
    launchState.launchedFromApp = useThumbnailTransition || mLaunchedWhileDocking;
    launchState.launchedFromBlacklistedApp = launchState.launchedFromApp && isBlacklisted;
    launchState.launchedViaDockGesture = mLaunchedWhileDocking;
    launchState.launchedViaDragGesture = mDraggingInRecents;
    launchState.launchedToTaskId = runningTaskId;
    launchState.launchedWithAltTab = mTriggeredFromAltTab;
    // Preload the icon (this will be a null-op if we have preloaded the icon already in
    // preloadRecents())
    preloadIcon(runningTaskId);
    // Update the header bar if necessary
    Rect windowOverrideRect = getWindowRectOverride(growTarget);
    updateHeaderBarLayout(stack, windowOverrideRect);
    // Prepare the dummy stack for the transition
    TaskStackLayoutAlgorithm.VisibilityReport stackVr = mDummyStackView.computeStackVisibilityReport();
    // Update the remaining launch state
    launchState.launchedNumVisibleTasks = stackVr.numVisibleTasks;
    launchState.launchedNumVisibleThumbnails = stackVr.numVisibleThumbnails;
    if (!animate) {
        startRecentsActivity(ActivityOptions.makeCustomAnimation(mContext, -1, -1));
        return;
    }
    ActivityOptions opts;
    if (isBlacklisted) {
        opts = getUnknownTransitionActivityOptions();
    } else if (useThumbnailTransition) {
        // Try starting with a thumbnail transition
        opts = getThumbnailTransitionActivityOptions(runningTask, mDummyStackView, windowOverrideRect);
    } else {
        // If there is no thumbnail transition, but is launching from home into recents, then
        // use a quick home transition
        opts = hasRecentTasks ? getHomeTransitionActivityOptions() : getUnknownTransitionActivityOptions();
    }
    startRecentsActivity(opts);
    mLastToggleTime = SystemClock.elapsedRealtime();
}

Example 14 with TaskStack

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

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 15 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;
}