* Handle Recents activity visibility changed.
*/
public final void onBusEvent(final RecentsVisibilityChangedEvent event) {
- int processUser = event.systemServicesProxy.getProcessUser();
- if (event.systemServicesProxy.isSystemUser(processUser)) {
+ SystemServicesProxy ssp = Recents.getSystemServices();
+ int processUser = ssp.getProcessUser();
+ if (ssp.isSystemUser(processUser)) {
mImpl.onVisibilityChanged(event.applicationContext, event.visible);
} else {
postToSystemUser(new Runnable() {
import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent;
import com.android.systemui.recents.events.activity.LaunchTaskSucceededEvent;
import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
+import com.android.systemui.recents.events.activity.MultiWindowStateChangedEvent;
import com.android.systemui.recents.events.activity.ToggleRecentsEvent;
import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
import com.android.systemui.recents.events.component.ScreenPinningRequestEvent;
private long mLastTabKeyEventTime;
private boolean mFinishedOnStartup;
private boolean mIgnoreAltTabRelease;
+ private boolean mIsVisible;
// Top level views
private RecentsView mRecentsView;
}
};
- /** Updates the set of recent tasks */
- void updateRecentsTasks() {
- // If AlternateRecentsComponent has preloaded a load plan, then use that to prevent
- // reconstructing the task stack
- RecentsTaskLoader loader = Recents.getTaskLoader();
- RecentsTaskLoadPlan plan = RecentsImpl.consumeInstanceLoadPlan();
- if (plan == null) {
- plan = loader.createLoadPlan(this);
- }
-
- // Start loading tasks according to the load plan
- RecentsConfiguration config = Recents.getConfiguration();
- RecentsActivityLaunchState launchState = config.getLaunchState();
- if (!plan.hasTasks()) {
- loader.preloadTasks(plan, -1, launchState.launchedFromHome);
- }
- RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
- loadOpts.runningTaskId = launchState.launchedToTaskId;
- loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
- loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
- loader.loadTasks(this, plan, loadOpts);
-
- TaskStack stack = plan.getTaskStack();
- mRecentsView.setTaskStack(stack);
-
- // Animate the SystemUI scrims into view
- Task launchTarget = stack.getLaunchTarget();
- int taskCount = stack.getTaskCount();
- int launchTaskIndexInStack = launchTarget != null
- ? stack.indexOfStackTask(launchTarget)
- : 0;
- boolean hasNavBarScrim = (taskCount > 0) && !config.hasTransposedNavBar;
- boolean animateNavBarScrim = !launchState.launchedWhileDocking;
- mScrimViews.prepareEnterRecentsAnimation(hasNavBarScrim, animateNavBarScrim);
-
- // 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) {
- 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
- MetricsLogger.histogram(this, "overview_task_count", taskCount);
- }
-
/**
* Dismisses the history view back into the stack view.
*/
// Set the Recents layout
setContentView(R.layout.recents);
+ takeKeyEvents(true);
mRecentsView = (RecentsView) findViewById(R.id.recents_view);
mRecentsView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
}
@Override
- protected void onNewIntent(Intent intent) {
- super.onNewIntent(intent);
- setIntent(intent);
+ protected void onStart() {
+ super.onStart();
+
+ // Notify that recents is now visible
+ EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true));
+ MetricsLogger.visible(this, MetricsEvent.OVERVIEW_ACTIVITY);
}
@Override
- protected void onStart() {
- super.onStart();
+ public void onEnterAnimationComplete() {
+ super.onEnterAnimationComplete();
+ EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+
+ // 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, -1, launchState.launchedFromHome);
+ }
- // Update the recent tasks
- updateRecentsTasks();
+ 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.onResume(mIsVisible, stack);
+
+ // Animate the SystemUI scrims into view
+ Task launchTarget = stack.getLaunchTarget();
+ int taskCount = stack.getTaskCount();
+ int launchTaskIndexInStack = launchTarget != null
+ ? stack.indexOfStackTask(launchTarget)
+ : 0;
+ boolean hasNavBarScrim = (taskCount > 0) && !config.hasTransposedNavBar;
+ boolean animateNavBarScrim = !launchState.launchedWhileDocking;
+ mScrimViews.prepareEnterRecentsAnimation(hasNavBarScrim, animateNavBarScrim);
// If this is a new instance from a configuration change, then we have to manually trigger
// the enter animation state, or if recents was relaunched by AM, without going through
// the normal mechanisms
- RecentsConfiguration config = Recents.getConfiguration();
- RecentsActivityLaunchState launchState = config.getLaunchState();
boolean wasLaunchedByAm = !launchState.launchedFromHome &&
!launchState.launchedFromApp;
if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
}
- // Notify that recents is now visible
- SystemServicesProxy ssp = Recents.getSystemServices();
- EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));
-
- MetricsLogger.visible(this, MetricsEvent.OVERVIEW_ACTIVITY);
-
mRecentsView.getViewTreeObserver().addOnPreDrawListener(
new ViewTreeObserver.OnPreDrawListener() {
- @Override
- public boolean onPreDraw() {
- mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this);
- EventBus.getDefault().post(new RecentsDrawnEvent());
- return true;
- }
- });
- }
+ @Override
+ public boolean onPreDraw() {
+ mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this);
+ EventBus.getDefault().post(new RecentsDrawnEvent());
+ return true;
+ }
+ });
- @Override
- public void onEnterAnimationComplete() {
- super.onEnterAnimationComplete();
- 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) {
+ 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
+ MetricsLogger.histogram(this, "overview_task_count", taskCount);
+
+ // After we have resumed, set the visible state until the next onStop() call
+ mIsVisible = true;
}
@Override
protected void onPause() {
super.onPause();
- // Stop the fast-toggle dozer
+ mIgnoreAltTabRelease = false;
mIterateTrigger.stopDozing();
+
+ // Workaround for b/22542869, if the RecentsActivity is started again, but without going
+ // through SystemUI, we need to reset the config launch flags to ensure that we do not
+ // wait on the system to send a signal that was never queued.
+ RecentsConfiguration config = Recents.getConfiguration();
+ RecentsActivityLaunchState launchState = config.getLaunchState();
+ launchState.reset();
}
@Override
protected void onStop() {
super.onStop();
- // Reset some states
- mIgnoreAltTabRelease = false;
+ // Only hide the history if Recents is completely hidden
if (RecentsDebugFlags.Static.EnableHistory && mRecentsView.isHistoryVisible()) {
EventBus.getDefault().send(new HideHistoryEvent(false /* animate */));
}
// Notify that recents is now hidden
- SystemServicesProxy ssp = Recents.getSystemServices();
- EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, false));
-
- // Workaround for b/22542869, if the RecentsActivity is started again, but without going
- // through SystemUI, we need to reset the config launch flags to ensure that we do not
- // wait on the system to send a signal that was never queued.
- RecentsConfiguration config = Recents.getConfiguration();
- RecentsActivityLaunchState launchState = config.getLaunchState();
- launchState.reset();
-
+ mIsVisible = false;
+ EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, false));
MetricsLogger.hidden(this, MetricsEvent.OVERVIEW_ACTIVITY);
}
public void onMultiWindowChanged(boolean inMultiWindow) {
super.onMultiWindowChanged(inMultiWindow);
EventBus.getDefault().send(new ConfigurationChangedEvent());
+
+ // Reload the task stack completely
+ RecentsConfiguration config = Recents.getConfiguration();
+ RecentsActivityLaunchState launchState = config.getLaunchState();
RecentsTaskLoader loader = Recents.getTaskLoader();
- RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
- launchOpts.loadIcons = false;
- launchOpts.loadThumbnails = false;
- launchOpts.onlyLoadForCache = true;
RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
- loader.preloadTasks(loadPlan, -1, false);
- loader.loadTasks(this, loadPlan, launchOpts);
- EventBus.getDefault().send(new TaskStackUpdatedEvent(loadPlan.getTaskStack(),
- inMultiWindow));
+ loader.preloadTasks(loadPlan, -1 /* topTaskId */, false /* isTopTaskHome */);
+
+ RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
+ loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
+ loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
+ loader.loadTasks(this, loadPlan, loadOpts);
+
+ mRecentsView.onResume(mIsVisible, loadPlan.getTaskStack());
+
+ EventBus.getDefault().send(new MultiWindowStateChangedEvent(inMultiWindow));
}
@Override
com.android.internal.R.dimen.navigation_bar_width);
mTaskBarHeight = res.getDimensionPixelSize(
R.dimen.recents_task_bar_height);
- mDummyStackView = new TaskStackView(mContext, new TaskStack());
+ mDummyStackView = new TaskStackView(mContext);
mHeaderBar = (TaskViewHeader) inflater.inflate(R.layout.recents_task_view_header,
null, false);
}
* is not already bound (can be expensive)
* @param stack the stack to initialize the stack layout with
*/
- private void updateHeaderBarLayout(boolean tryAndBindSearchWidget,
- TaskStack stack) {
+ private void updateHeaderBarLayout(boolean tryAndBindSearchWidget, TaskStack stack) {
RecentsConfiguration config = Recents.getConfiguration();
SystemServicesProxy ssp = Recents.getSystemServices();
Rect systemInsets = new Rect();
mSearchBarBounds, mTaskStackBounds);
// Rebind the header bar and draw it for the transition
- TaskStackLayoutAlgorithm algo = mDummyStackView.getStackAlgorithm();
+ TaskStackLayoutAlgorithm stackLayout = mDummyStackView.getStackAlgorithm();
Rect taskStackBounds = new Rect(mTaskStackBounds);
- algo.setSystemInsets(systemInsets);
+ stackLayout.setSystemInsets(systemInsets);
if (stack != null) {
- algo.initialize(taskStackBounds,
+ stackLayout.initialize(taskStackBounds,
TaskStackLayoutAlgorithm.StackState.getStackStateForStack(stack));
+ mDummyStackView.setTasks(stack, false /* notifyStackChanges */);
}
- Rect taskViewBounds = algo.getUntransformedTaskViewBounds();
+ Rect taskViewBounds = stackLayout.getUntransformedTaskViewBounds();
if (!taskViewBounds.equals(mLastTaskViewBounds)) {
mLastTaskViewBounds.set(taskViewBounds);
updateHeaderBarLayout(false /* tryAndBindSearchWidget */, stack);
// Update the destination rect
- mDummyStackView.updateLayoutForStack(stack);
final Task toTask = new Task();
final TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask);
ForegroundThread.getHandler().postAtFrontOfQueue(new Runnable() {
updateHeaderBarLayout(false /* tryAndBindSearchWidget */, stack);
// Prepare the dummy stack for the transition
- mDummyStackView.updateLayoutForStack(stack);
TaskStackLayoutAlgorithm.VisibilityReport stackVr =
mDummyStackView.computeStackVisibilityReport();
--- /dev/null
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+
+/**
+ * This is sent by the activity whenever the multi-window state has changed.
+ */
+public class MultiWindowStateChangedEvent extends EventBus.Event {
+
+ public final boolean inMultiWindow;
+
+ public MultiWindowStateChangedEvent(boolean inMultiWindow) {
+ this.inMultiWindow = inMultiWindow;
+ }
+}
import android.content.Context;
import com.android.systemui.recents.events.EventBus;
-import com.android.systemui.recents.misc.SystemServicesProxy;
/**
- * This is sent when the visibility of the RecentsActivity for the current user changes.
+ * This is sent when the visibility of the RecentsActivity for the current user changes. Handlers
+ * of this event should not alter the UI, as the activity may still be visible.
*/
public class RecentsVisibilityChangedEvent extends EventBus.Event {
public final Context applicationContext;
- public final SystemServicesProxy systemServicesProxy;
public final boolean visible;
- public RecentsVisibilityChangedEvent(Context context, SystemServicesProxy systemServicesProxy,
- boolean visible) {
+ public RecentsVisibilityChangedEvent(Context context, boolean visible) {
this.applicationContext = context.getApplicationContext();
- this.systemServicesProxy = systemServicesProxy;
this.visible = visible;
}
}
// Initialize the stacks
mStack = new TaskStack();
- mStack.setTasks(allTasks, false /* notifyStackChanges */);
- mStack.createAffiliatedGroupings(mContext);
+ mStack.setTasks(mContext, allTasks, false /* notifyStackChanges */);
}
/**
@Override
public String toString() {
- return "Task.Key: " + id + ", "
- + "s: " + stackId + ", "
- + "u: " + userId + ", "
- + "lat: " + lastActiveTime + ", "
- + getComponent().getPackageName();
+ return "t" + id + ", s" + stackId + ", u" + userId;
}
private void updateHashCode() {
this.isDockable = isDockable;
}
- /** Copies the other task. */
+ /**
+ * Copies the metadata from another task, but retains the current callbacks.
+ */
public void copyFrom(Task o) {
this.key = o.key;
this.group = o.group;
@Override
public String toString() {
- String groupAffiliation = "no group";
- if (group != null) {
- groupAffiliation = Integer.toString(group.affiliation);
- }
- return "Task (" + groupAffiliation + "): " + key +
- " [" + super.toString() + "]";
+ return "[" + key.toString() + "] " + title;
}
}
}
}
- /**
- * Resets the task list, but does not remove the filter.
- */
- void reset() {
- mTasks.clear();
- mFilteredTasks.clear();
- mTaskIndices.clear();
- }
-
/** Removes the task filter and returns the previous touch state */
void removeFilter() {
mFilter = null;
mCb = cb;
}
- /** Resets this TaskStack. */
- public void reset() {
- mCb = null;
- mStackTaskList.reset();
- mHistoryTaskList.reset();
- mGroups.clear();
- mAffinitiesGroups.clear();
- }
-
/**
* Moves the given task to either the front of the freeform workspace or the stack.
*/
* @param tasks the new set of tasks to replace the current set.
* @param notifyStackChanges whether or not to callback on specific changes to the list of tasks.
*/
- public void setTasks(List<Task> tasks, boolean notifyStackChanges) {
+ public void setTasks(Context context, List<Task> tasks, boolean notifyStackChanges) {
// Compute a has set for each of the tasks
ArrayMap<Task.TaskKey, Task> currentTasksMap = createTaskKeyMapFromList(mRawTaskList);
ArrayMap<Task.TaskKey, Task> newTasksMap = createTaskKeyMapFromList(tasks);
-
- ArrayList<Task> newTasks = new ArrayList<>();
+ ArrayList<Task> addedTasks = new ArrayList<>();
+ ArrayList<Task> allTasks = new ArrayList<>();
// Disable notifications if there are no callbacks
if (mCb == null) {
// Remove any tasks that no longer exist
int taskCount = mRawTaskList.size();
- for (int i = 0; i < taskCount; i++) {
+ for (int i = taskCount - 1; i >= 0; i--) {
Task task = mRawTaskList.get(i);
if (!newTasksMap.containsKey(task.key)) {
if (notifyStackChanges) {
+ // If we are notifying, then remove the task now, otherwise the raw task list
+ // will be reset at the end of this method
+ removeTask(task, AnimationProps.IMMEDIATE);
mCb.onStackTaskRemoved(this, task, i == (taskCount - 1), null,
AnimationProps.IMMEDIATE);
}
// Add any new tasks
taskCount = tasks.size();
for (int i = 0; i < taskCount; i++) {
- Task task = tasks.get(i);
- if (!currentTasksMap.containsKey(task.key)) {
- if (notifyStackChanges) {
- mCb.onStackTaskAdded(this, task);
- }
- newTasks.add(task);
- } else {
- newTasks.add(currentTasksMap.get(task.key));
+ Task newTask = tasks.get(i);
+ Task currentTask = currentTasksMap.get(newTask.key);
+ if (currentTask == null && notifyStackChanges) {
+ addedTasks.add(newTask);
+ } else if (currentTask != null) {
+ // The current task has bound callbacks, so just copy the data from the new task
+ // state and add it back into the list
+ currentTask.copyFrom(newTask);
+ newTask = currentTask;
}
+ allTasks.add(newTask);
}
// Sort all the tasks to ensure they are ordered correctly
- Collections.sort(newTasks, FREEFORM_LAST_ACTIVE_TIME_COMPARATOR);
+ Collections.sort(allTasks, FREEFORM_LAST_ACTIVE_TIME_COMPARATOR);
// Filter out the historical tasks from this new list
ArrayList<Task> stackTasks = new ArrayList<>();
ArrayList<Task> historyTasks = new ArrayList<>();
- int newTaskCount = newTasks.size();
+ int newTaskCount = allTasks.size();
for (int i = 0; i < newTaskCount; i++) {
- Task task = newTasks.get(i);
+ Task task = allTasks.get(i);
if (task.isHistorical) {
historyTasks.add(task);
} else {
mStackTaskList.set(stackTasks);
mHistoryTaskList.set(historyTasks);
- mRawTaskList.clear();
- mRawTaskList.addAll(newTasks);
- mGroups.clear();
- mAffinitiesGroups.clear();
+ mRawTaskList = allTasks;
+
+ // Only callback for the newly added tasks after this stack has been updated
+ int addedTaskCount = addedTasks.size();
+ for (int i = 0; i < addedTaskCount; i++) {
+ mCb.onStackTaskAdded(this, addedTasks.get(i));
+ }
+
+ // Update the affiliated groupings
+ createAffiliatedGroupings(context);
}
/**
}
/**
- * Temporary: This method will simulate affiliation groups by
+ * Temporary: This method will simulate affiliation groups
*/
- public void createAffiliatedGroupings(Context context) {
+ void createAffiliatedGroupings(Context context) {
+ mGroups.clear();
+ mAffinitiesGroups.clear();
+
if (RecentsDebugFlags.Static.EnableMockTaskGroups) {
ArrayMap<Task.TaskKey, Task> taskMap = new ArrayMap<>();
// Sort all tasks by increasing firstActiveTime of the task
@Override
public String toString() {
- String str = "Stack Tasks:\n";
+ String str = "Stack Tasks (" + mStackTaskList.size() + "):\n";
for (Task t : mStackTaskList.getTasks()) {
- str += " " + t.toString() + "\n";
+ str += " " + t.toString() + "\n";
}
- str += "Historical Tasks:\n";
+ str += "Historical Tasks(" + mHistoryTaskList.size() + "):\n";
for (Task t : mHistoryTaskList.getTasks()) {
- str += " " + t.toString() + "\n";
+ str += " " + t.toString() + "\n";
}
return str;
}
// Notify that recents is now visible
SystemServicesProxy ssp = Recents.getSystemServices();
- EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));
+ EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true));
if (mPipManager.isPipShown()) {
// Place mPipView at the PIP bounds for fine tuned focus handling.
mPipManager.removeListener(mPipListener);
mIgnoreAltTabRelease = false;
// Notify that recents is now hidden
- SystemServicesProxy ssp = Recents.getSystemServices();
- EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, false));
+ EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, false));
// Workaround for b/22542869, if the RecentsActivity is started again, but without going
// through SystemUI, we need to reset the config launch flags to ensure that we do not
// Keep track of failed launches
EventBus.getDefault().send(new LaunchTaskFailedEvent());
}
+
if (transitionFuture != null) {
IRemoteCallback.Stub callback = null;
if (animStartedListener != null) {
import com.android.systemui.recents.events.activity.LaunchTaskEvent;
import com.android.systemui.recents.events.activity.ShowHistoryButtonEvent;
import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
import com.android.systemui.recents.events.activity.ToggleHistoryEvent;
-import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
import com.android.systemui.recents.events.ui.DraggingInRecentsEndedEvent;
import com.android.systemui.recents.events.ui.DraggingInRecentsEvent;
import com.android.systemui.recents.events.ui.ResetBackgroundScrimEvent;
}
/** Set/get the bsp root node */
- public void setTaskStack(TaskStack stack) {
+ public void onResume(boolean isResumingFromVisible, TaskStack stack) {
RecentsConfiguration config = Recents.getConfiguration();
RecentsActivityLaunchState launchState = config.getLaunchState();
- mStack = stack;
- if (launchState.launchedReuseTaskStackViews) {
- if (mTaskStackView != null) {
- // If onRecentsHidden is not triggered, we need to the stack view again here
- mTaskStackView.reset();
- mTaskStackView.setStack(stack);
- } else {
- mTaskStackView = new TaskStackView(getContext(), stack);
- addView(mTaskStackView);
- }
- } else {
- if (mTaskStackView != null) {
- removeView(mTaskStackView);
- }
- mTaskStackView = new TaskStackView(getContext(), stack);
+
+ if (mTaskStackView == null || !launchState.launchedReuseTaskStackViews) {
+ isResumingFromVisible = false;
+ removeView(mTaskStackView);
+ mTaskStackView = new TaskStackView(getContext());
+ mStack = mTaskStackView.getStack();
addView(mTaskStackView);
}
- // If we are already occluded by the app, then just set the default background scrim now.
- // Otherwise, defer until the enter animation completes to animate the scrim with the
- // tasks for the home animation.
- if (launchState.launchedWhileDocking || launchState.launchedFromApp
- || mStack.getTaskCount() == 0) {
- mBackgroundScrim.setAlpha((int) (DEFAULT_SCRIM_ALPHA * 255));
+ // Reset the state
+ mAwaitingFirstLayout = !isResumingFromVisible;
+ mLastTaskLaunchedWasFreeform = false;
+
+ // Update the stack
+ mTaskStackView.onResume(isResumingFromVisible);
+ mTaskStackView.setTasks(stack, isResumingFromVisible /* notifyStackChanges */);
+
+ if (isResumingFromVisible) {
+ // If we are already visible, then restore the background scrim
+ animateBackgroundScrim(DEFAULT_SCRIM_ALPHA, DEFAULT_UPDATE_SCRIM_DURATION);
} else {
- mBackgroundScrim.setAlpha(0);
+ // If we are already occluded by the app, then set the final background scrim alpha now.
+ // Otherwise, defer until the enter animation completes to animate the scrim alpha with
+ // the tasks for the home animation.
+ if (launchState.launchedWhileDocking || launchState.launchedFromApp
+ || mStack.getTaskCount() == 0) {
+ mBackgroundScrim.setAlpha((int) (DEFAULT_SCRIM_ALPHA * 255));
+ } else {
+ mBackgroundScrim.setAlpha(0);
+ }
}
// Update the top level view's visibilities
} else {
showEmptyView();
}
-
- // Trigger a new layout
- requestLayout();
}
/**
animator.start();
}
- public final void onBusEvent(TaskStackUpdatedEvent event) {
- if (!event.inMultiWindow) {
- mStack.setTasks(event.stack.computeAllTasksList(), true /* notifyStackChanges */);
- mStack.createAffiliatedGroupings(getContext());
- }
- }
-
public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
if (!launchState.launchedWhileDocking && !launchState.launchedFromApp
animateBackgroundScrim(DEFAULT_SCRIM_ALPHA, DEFAULT_UPDATE_SCRIM_DURATION);
}
- public final void onBusEvent(RecentsVisibilityChangedEvent event) {
- if (!event.visible) {
- // Reset the view state
- mAwaitingFirstLayout = true;
- mLastTaskLaunchedWasFreeform = false;
- if (RecentsDebugFlags.Static.EnableHistory) {
- hideHistoryButton(0, false /* translate */);
- }
- }
- }
-
public final void onBusEvent(ToggleHistoryEvent event) {
if (!RecentsDebugFlags.Static.EnableHistory) {
return;
package com.android.systemui.recents.views;
+import android.animation.AnimatorListenerAdapter;
import android.app.Activity;
import android.content.Context;
import android.view.View;
+import android.view.ViewPropertyAnimator;
import com.android.systemui.Interpolators;
import com.android.systemui.R;
View.VISIBLE : View.INVISIBLE);
}
+ /**
+ * Animates the nav bar scrim visibility.
+ */
+ public void animateNavBarScrimVisibility(boolean visible, AnimationProps animation) {
+ int toY = 0;
+ if (visible) {
+ mNavBarScrimView.setVisibility(View.VISIBLE);
+ mNavBarScrimView.setTranslationY(mNavBarScrimView.getMeasuredHeight());
+ } else {
+ toY = mNavBarScrimView.getMeasuredHeight();
+ }
+ if (animation != AnimationProps.IMMEDIATE) {
+ mNavBarScrimView.animate()
+ .translationY(toY)
+ .setDuration(animation.getDuration(AnimationProps.BOUNDS))
+ .setInterpolator(animation.getInterpolator(AnimationProps.BOUNDS))
+ .start();
+ } else {
+ mNavBarScrimView.setTranslationY(toY);
+ }
+ }
+
/**** EventBus events ****/
/**
* Starts animating the scrim views when entering Recents.
*/
public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
- if (mHasNavBarScrim && mShouldAnimateNavBarScrim) {
- mNavBarScrimView.setTranslationY(mNavBarScrimView.getMeasuredHeight());
- mNavBarScrimView.animate()
- .translationY(0)
- .setDuration(mNavBarScrimEnterDuration)
- .setInterpolator(Interpolators.DECELERATE_QUINT)
- .withStartAction(new Runnable() {
- @Override
- public void run() {
- mNavBarScrimView.setVisibility(View.VISIBLE);
- }
- })
- .start();
+ if (mHasNavBarScrim) {
+ AnimationProps animation = mShouldAnimateNavBarScrim
+ ? new AnimationProps()
+ .setDuration(AnimationProps.BOUNDS, mNavBarScrimEnterDuration)
+ .setInterpolator(AnimationProps.BOUNDS, Interpolators.DECELERATE_QUINT)
+ : AnimationProps.IMMEDIATE;
+ animateNavBarScrimVisibility(true, animation);
}
}
* going home).
*/
public final void onBusEvent(DismissRecentsToHomeAnimationStarted event) {
- if (mHasNavBarScrim && mShouldAnimateNavBarScrim) {
- mNavBarScrimView.animate()
- .translationY(mNavBarScrimView.getMeasuredHeight())
- .setStartDelay(0)
- .setDuration(TaskStackAnimationHelper.EXIT_TO_HOME_TRANSLATION_DURATION)
- .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
- .start();
+ if (mHasNavBarScrim) {
+ AnimationProps animation = new AnimationProps()
+ .setDuration(AnimationProps.BOUNDS,
+ TaskStackAnimationHelper.EXIT_TO_HOME_TRANSLATION_DURATION)
+ .setInterpolator(AnimationProps.BOUNDS, Interpolators.FAST_OUT_SLOW_IN);
+ animateNavBarScrimVisibility(false, animation);
}
}
}
return;
}
- RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
mUnfocusedRange.offset(0f);
int taskCount = tasks.size();
for (int i = taskCount - 1; i >= 0; i--) {
* Updates this stack when a scroll happens.
*/
public void updateFocusStateOnScroll(float stackScroll, float deltaScroll) {
+ if (deltaScroll == 0f) {
+ return;
+ }
+
for (int i = mTaskIndexOverrideMap.size() - 1; i >= 0; i--) {
int taskId = mTaskIndexOverrideMap.keyAt(i);
float x = mTaskIndexMap.get(taskId);
}
/**
+ * Returns whether this stack layout has been initialized.
+ */
+ public boolean isInitialized() {
+ return !mStackRect.isEmpty();
+ }
+
+ /**
* Computes the maximum number of visible tasks and thumbnails when the scroll is at the initial
* stack scroll. Requires that update() is called first.
*/
import com.android.systemui.recents.events.activity.LaunchNextTaskRequestEvent;
import com.android.systemui.recents.events.activity.LaunchTaskEvent;
import com.android.systemui.recents.events.activity.LaunchTaskStartedEvent;
+import com.android.systemui.recents.events.activity.MultiWindowStateChangedEvent;
import com.android.systemui.recents.events.activity.PackagesChangedEvent;
import com.android.systemui.recents.events.activity.ShowHistoryButtonEvent;
import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
-import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
import com.android.systemui.recents.events.ui.DeleteTaskDataEvent;
import com.android.systemui.recents.events.ui.DismissTaskViewEvent;
private static final ArraySet<Task.TaskKey> EMPTY_TASK_SET = new ArraySet<>();
LayoutInflater mInflater;
- TaskStack mStack;
+ TaskStack mStack = new TaskStack();
@ViewDebug.ExportedProperty(deepExport=true, prefix="layout_")
TaskStackLayoutAlgorithm mLayoutAlgorithm;
@ViewDebug.ExportedProperty(deepExport=true, prefix="scroller_")
}
};
- public TaskStackView(Context context, TaskStack stack) {
+ public TaskStackView(Context context) {
super(context);
SystemServicesProxy ssp = Recents.getSystemServices();
Resources res = context.getResources();
// Set the stack first
- setStack(stack);
+ mStack.setCallbacks(this);
mViewPool = new ViewPool<>(context, this);
mInflater = LayoutInflater.from(context);
mLayoutAlgorithm = new TaskStackLayoutAlgorithm(context, this);
}
}
+ /**
+ * Called only if we are resuming Recents.
+ */
+ void onResume(boolean isResumingFromVisible) {
+ if (!isResumingFromVisible) {
+ // Reset the focused task
+ resetFocusedTask(getFocusedTask());
+ }
+
+ // Reset the state of each of the task views
+ List<TaskView> taskViews = new ArrayList<>();
+ taskViews.addAll(getTaskViews());
+ taskViews.addAll(mViewPool.getViews());
+ for (int i = taskViews.size() - 1; i >= 0; i--) {
+ taskViews.get(i).onResume(isResumingFromVisible);
+ }
+
+ // Reset the stack state
+ readSystemFlags();
+ mTaskViewsClipDirty = true;
+ mEnterAnimationComplete = false;
+ mUIDozeTrigger.stopDozing();
+ if (isResumingFromVisible) {
+ // Animate in the freeform workspace
+ int ffBgAlpha = mLayoutAlgorithm.getStackState().freeformBackgroundAlpha;
+ animateFreeformWorkspaceBackgroundAlpha(ffBgAlpha, new AnimationProps(150,
+ Interpolators.FAST_OUT_SLOW_IN));
+ } else {
+ mStackScroller.reset();
+ mLayoutAlgorithm.reset();
+ mAwaitingFirstLayout = true;
+ requestLayout();
+ }
+ }
+
@Override
protected void onAttachedToWindow() {
EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1);
EventBus.getDefault().unregister(this);
}
- /** Sets the task stack */
- void setStack(TaskStack stack) {
- // Set the new stack
- mStack = stack;
- if (mStack != null) {
- mStack.setCallbacks(this);
+ /**
+ * Sets the stack tasks of this TaskStackView from the given TaskStack.
+ */
+ public void setTasks(TaskStack stack, boolean notifyStackChanges) {
+ boolean isInitialized = mLayoutAlgorithm.isInitialized();
+ mStack.setTasks(getContext(), stack.computeAllTasksList(),
+ notifyStackChanges && isInitialized);
+ if (isInitialized) {
+ // Only update the layout if we are notifying, otherwise, we will update it in the next
+ // measure/layout pass
+ updateLayoutAlgorithm(false /* boundScroll */, EMPTY_TASK_SET);
+ updateToInitialState();
+ relayoutTaskViewsOnNextFrame(AnimationProps.IMMEDIATE);
}
- // Layout again with the new stack
- requestLayout();
}
/** Returns the task stack. */
return null;
}
- /** Resets this TaskStackView for reuse. */
- void reset() {
- // Reset the focused task
- resetFocusedTask(getFocusedTask());
-
- // Return all the views to the pool
- List<TaskView> taskViews = getTaskViews();
- int taskViewCount = taskViews.size();
- for (int i = taskViewCount - 1; i >= 0; i--) {
- mViewPool.returnViewToPool(taskViews.get(i));
- }
-
- // Mark each task view for relayout
- List<TaskView> poolViews = mViewPool.getViews();
- for (TaskView tv : poolViews) {
- tv.reset();
- }
-
- // Reset the stack state
- mStack.reset();
- mTaskViewsClipDirty = true;
- mAwaitingFirstLayout = true;
- mEnterAnimationComplete = false;
- mUIDozeTrigger.stopDozing();
- mStackScroller.reset();
- mLayoutAlgorithm.reset();
- readSystemFlags();
- requestLayout();
- }
-
/** Returns the stack algorithm for this task stack. */
public TaskStackLayoutAlgorithm getStackAlgorithm() {
return mLayoutAlgorithm;
}
/**
- * This is ONLY used from the Recents component to update the dummy stack view for purposes
- * of getting the task rect to animate to.
- */
- public void updateLayoutForStack(TaskStack stack) {
- mStack = stack;
- updateLayoutAlgorithm(false /* boundScroll */, EMPTY_TASK_SET);
- }
-
- /**
* Computes the maximum number of visible tasks and thumbnails. Requires that
* updateLayoutForStack() is called first.
*/
public void onReturnViewToPool(TaskView tv) {
final Task task = tv.getTask();
- // Report that this tasks's data is no longer being used
+ // Report that this task's data is no longer being used
Recents.getTaskLoader().unloadTaskData(task);
// Reset the view properties and view state
}
}
- public final void onBusEvent(RecentsVisibilityChangedEvent event) {
- if (!event.visible) {
- reset();
- }
- }
-
public final void onBusEvent(DragStartEvent event) {
// Ensure that the drag task is not animated
addIgnoreTask(event.task);
event.taskView.setLeftTopRightBottom(taskViewRect.left, taskViewRect.top,
taskViewRect.right, taskViewRect.bottom);
- // Animate all the TaskViews back into position
+ // Animate the non-drag TaskViews back into position
mLayoutAlgorithm.getStackTransform(event.task, getScroller().getStackScroll(),
mTmpTransform, null);
event.getAnimationTrigger().increment();
relayoutTaskViews(new AnimationProps(DEFAULT_SYNC_STACK_DURATION,
Interpolators.FAST_OUT_SLOW_IN));
+
+ // Animate the drag TaskView back into position
updateTaskViewToTransform(event.taskView, mTmpTransform,
new AnimationProps(DEFAULT_SYNC_STACK_DURATION, Interpolators.FAST_OUT_SLOW_IN,
event.getAnimationTrigger().decrementOnAnimationEnd()));
mAnimationHelper.startHideHistoryAnimation();
}
- public final void onBusEvent(TaskStackUpdatedEvent event) {
+ public final void onBusEvent(MultiWindowStateChangedEvent event) {
if (!event.inMultiWindow) {
- // Scroll the stack to the front after it has been updated
- event.addPostAnimationCallback(new Runnable() {
+ // Scroll the stack to the front to see the undocked task
+ mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP, new Runnable() {
@Override
public void run() {
- mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP,
- null /* postScrollRunnable */);
+ List<TaskView> taskViews = getTaskViews();
+ int taskViewCount = taskViews.size();
+ for (int i = 0; i < taskViewCount; i++) {
+ TaskView tv = taskViews.get(i);
+ tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled,
+ tv.mIsDisabledInSafeMode);
+ }
}
});
}
- // When the multi-window state changes, rebind all task view headers again to update their
- // dockable state
- event.addPostAnimationCallback(new Runnable() {
- @Override
- public void run() {
- List<TaskView> taskViews = getTaskViews();
- int taskViewCount = taskViews.size();
- for (int i = 0; i < taskViewCount; i++) {
- TaskView tv = taskViews.get(i);
- tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled,
- tv.mIsDisabledInSafeMode);
- }
- }
- });
}
public final void onBusEvent(ConfigurationChangedEvent event) {
}
/** Resets this TaskView for reuse. */
- void reset() {
- resetViewProperties();
+ void onResume(boolean isResumingFromVisible) {
resetNoUserInteractionState();
readSystemFlags();
- setClipViewInStack(false);
+ if (!isResumingFromVisible) {
+ resetViewProperties();
+ setClipViewInStack(false);
+ }
setCallbacks(null);
}
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