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

Example 36 with TaskStack

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

the class TaskViewFocusFrame method onGlobalFocusChanged.

@Override
public void onGlobalFocusChanged(View oldFocus, View newFocus) {
    if (!mSv.useGridLayout()) {
        return;
    }
    if (newFocus == null) {
        // We're going to touch mode, unset the focus.
        moveGridTaskViewFocus(null);
        return;
    }
    if (oldFocus == null) {
        // We're returning from touch mode, set the focus to the previously focused task.
        final TaskStack stack = mSv.getStack();
        final int taskCount = stack.getTaskCount();
        final int k = stack.indexOfStackTask(mSv.getFocusedTask());
        final int taskIndexToFocus = k == -1 ? (taskCount - 1) : (k % taskCount);
        mSv.setFocusedTask(taskIndexToFocus, false, true);
    }
}

Example 37 with TaskStack

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

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 38 with TaskStack

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

the class RecentsActivity method reloadStackView.

/**
     * Reloads the stack views upon launching Recents.
     */
private void reloadStackView() {
    // If the Recents component has preloaded a load plan, then use that to prevent
    // reconstructing the task stack
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan loadPlan = RecentsImpl.consumeInstanceLoadPlan();
    if (loadPlan == null) {
        loadPlan = loader.createLoadPlan(this);
    }
    // Start loading tasks according to the load plan
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    if (!loadPlan.hasTasks()) {
        loader.preloadTasks(loadPlan, launchState.launchedToTaskId, !launchState.launchedFromHome);
    }
    RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
    loadOpts.runningTaskId = launchState.launchedToTaskId;
    loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
    loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
    loader.loadTasks(this, loadPlan, loadOpts);
    TaskStack stack = loadPlan.getTaskStack();
    mRecentsView.onReload(mIsVisible, stack.getTaskCount() == 0);
    mRecentsView.updateStack(stack, true);
    // Update the nav bar scrim, but defer the animation until the enter-window event
    boolean animateNavBarScrim = !launchState.launchedViaDockGesture;
    mScrimViews.updateNavBarScrim(animateNavBarScrim, stack.getTaskCount() > 0, null);
    mRecentsView.startFABanimation();
    // If this is a new instance relaunched by AM, without going through the normal mechanisms,
    // then we have to manually trigger the enter animation state
    boolean wasLaunchedByAm = !launchState.launchedFromHome && !launchState.launchedFromApp;
    if (wasLaunchedByAm) {
        EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
    }
    // Keep track of whether we launched from the nav bar button or via alt-tab
    if (launchState.launchedWithAltTab) {
        MetricsLogger.count(this, "overview_trigger_alttab", 1);
    } else {
        MetricsLogger.count(this, "overview_trigger_nav_btn", 1);
    }
    // Keep track of whether we launched from an app or from home
    if (launchState.launchedFromApp) {
        Task launchTarget = stack.getLaunchTarget();
        int launchTaskIndexInStack = launchTarget != null ? stack.indexOfStackTask(launchTarget) : 0;
        MetricsLogger.count(this, "overview_source_app", 1);
        // If from an app, track the stack index of the app in the stack (for affiliated tasks)
        MetricsLogger.histogram(this, "overview_source_app_index", launchTaskIndexInStack);
    } else {
        MetricsLogger.count(this, "overview_source_home", 1);
    }
    // Keep track of the total stack task count
    int taskCount = mRecentsView.getStack().getTaskCount();
    MetricsLogger.histogram(this, "overview_task_count", taskCount);
    setImmersiveRecents();
    // After we have resumed, set the visible state until the next onStop() call
    mIsVisible = true;
}

Example 39 with TaskStack

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

the class RecentsActivity method reloadStackView.

/**
     * Reloads the stack views upon launching Recents.
     */
private void reloadStackView() {
    // If the Recents component has preloaded a load plan, then use that to prevent
    // reconstructing the task stack
    RecentsTaskLoader loader = Recents.getTaskLoader();
    RecentsTaskLoadPlan loadPlan = RecentsImpl.consumeInstanceLoadPlan();
    if (loadPlan == null) {
        loadPlan = loader.createLoadPlan(this);
    }
    // Start loading tasks according to the load plan
    RecentsConfiguration config = Recents.getConfiguration();
    RecentsActivityLaunchState launchState = config.getLaunchState();
    if (!loadPlan.hasTasks()) {
        loader.preloadTasks(loadPlan, launchState.launchedToTaskId, !launchState.launchedFromHome);
    }
    RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
    loadOpts.runningTaskId = launchState.launchedToTaskId;
    loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
    loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
    loader.loadTasks(this, loadPlan, loadOpts);
    TaskStack stack = loadPlan.getTaskStack();
    mRecentsView.onReload(mIsVisible, stack.getTaskCount() == 0);
    mRecentsView.updateStack(stack, true);
    // Update the nav bar scrim, but defer the animation until the enter-window event
    boolean animateNavBarScrim = !launchState.launchedViaDockGesture;
    mScrimViews.updateNavBarScrim(animateNavBarScrim, stack.getTaskCount() > 0, null);
    mRecentsView.startFABanimation();
    // If this is a new instance relaunched by AM, without going through the normal mechanisms,
    // then we have to manually trigger the enter animation state
    boolean wasLaunchedByAm = !launchState.launchedFromHome && !launchState.launchedFromApp;
    if (wasLaunchedByAm) {
        EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
    }
    // Keep track of whether we launched from the nav bar button or via alt-tab
    if (launchState.launchedWithAltTab) {
        MetricsLogger.count(this, "overview_trigger_alttab", 1);
    } else {
        MetricsLogger.count(this, "overview_trigger_nav_btn", 1);
    }
    // Keep track of whether we launched from an app or from home
    if (launchState.launchedFromApp) {
        Task launchTarget = stack.getLaunchTarget();
        int launchTaskIndexInStack = launchTarget != null ? stack.indexOfStackTask(launchTarget) : 0;
        MetricsLogger.count(this, "overview_source_app", 1);
        // If from an app, track the stack index of the app in the stack (for affiliated tasks)
        MetricsLogger.histogram(this, "overview_source_app_index", launchTaskIndexInStack);
    } else {
        MetricsLogger.count(this, "overview_source_home", 1);
    }
    // Keep track of the total stack task count
    int taskCount = mRecentsView.getStack().getTaskCount();
    MetricsLogger.histogram(this, "overview_task_count", taskCount);
    setImmersiveRecents();
    boolean showClearAllRecents = Settings.System.getIntForUser(getContentResolver(), Settings.System.SHOW_CLEAR_ALL_RECENTS, 0, UserHandle.USER_CURRENT) != 0;
    // After we have resumed, set the visible state until the next onStop() call
    mIsVisible = true;
}

Example 40 with TaskStack

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

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));
}