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Cherry picking recents fixes to screen pinning and visibility.

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Screen pinning fix - 98e8f7ac5e
Visibility fix - 5675f01868

Bug 18986736, 18802531

Change-Id: Ia37dbcd4f82e80f47f9c0686ed2ad4f534f946a7
This commit is contained in:
Winson Chung
2015-01-20 11:44:05 -08:00
parent 8d2e8e2bf7
commit 2cf8b221fc
7 changed files with 81 additions and 73 deletions
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3
packages/SystemUI/src/com/android/systemui/recents/Constants.java
View File

@@ -65,7 +65,8 @@ public class Constants {
}
public static class TaskStackView {
public static final int TaskStackOverscrollRange = 150;
public static final int TaskStackMinOverscrollRange = 32;
public static final int TaskStackMaxOverscrollRange = 128;
public static final int FilterStartDelay = 25;
}
}

62
packages/SystemUI/src/com/android/systemui/recents/Recents.java
View File

@@ -88,9 +88,9 @@ public class Recents extends SystemUI
final static int sMinToggleDelay = 350;
final static String sToggleRecentsAction = "com.android.systemui.recents.SHOW_RECENTS";
final static String sRecentsPackage = "com.android.systemui";
final static String sRecentsActivity = "com.android.systemui.recents.RecentsActivity";
public final static String sToggleRecentsAction = "com.android.systemui.recents.SHOW_RECENTS";
public final static String sRecentsPackage = "com.android.systemui";
public final static String sRecentsActivity = "com.android.systemui.recents.RecentsActivity";
/**
* An implementation of ITaskStackListener, that allows us to listen for changes to the system
@@ -114,10 +114,11 @@ public class Recents extends SystemUI
public void run() {
RecentsConfiguration config = RecentsConfiguration.getInstance();
if (config.svelteLevel == RecentsConfiguration.SVELTE_NONE) {
ActivityManager.RunningTaskInfo runningTaskInfo = getTopMostTask();
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
SystemServicesProxy ssp = loader.getSystemServicesProxy();
ActivityManager.RunningTaskInfo runningTaskInfo = ssp.getTopMostTask();
// Load the next task only if we aren't svelte
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
RecentsTaskLoadPlan plan = loader.createLoadPlan(mContext);
loader.preloadTasks(plan, true /* isTopTaskHome */);
RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
@@ -300,8 +301,8 @@ public class Recents extends SystemUI
void hideRecentsInternal(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
if (mBootCompleted) {
ActivityManager.RunningTaskInfo topTask = getTopMostTask();
if (topTask != null && isRecentsTopMost(topTask, null)) {
ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, null)) {
// Notify recents to hide itself
Intent intent = createLocalBroadcastIntent(mContext, ACTION_HIDE_RECENTS_ACTIVITY);
intent.putExtra(EXTRA_TRIGGERED_FROM_ALT_TAB, triggeredFromAltTab);
@@ -369,7 +370,7 @@ public class Recents extends SystemUI
// Return early if there are no tasks
if (stack.getTaskCount() == 0) return;
ActivityManager.RunningTaskInfo runningTask = getTopMostTask();
ActivityManager.RunningTaskInfo runningTask = mSystemServicesProxy.getTopMostTask();
// Return early if there is no running task (can't determine affiliated tasks in this case)
if (runningTask == null) return;
// Return early if the running task is in the home stack (optimization)
@@ -515,38 +516,6 @@ public class Recents extends SystemUI
}
}
/** Gets the top task. */
ActivityManager.RunningTaskInfo getTopMostTask() {
SystemServicesProxy ssp = mSystemServicesProxy;
List<ActivityManager.RunningTaskInfo> tasks = ssp.getRunningTasks(1);
if (!tasks.isEmpty()) {
return tasks.get(0);
}
return null;
}
/** Returns whether the recents is currently running */
boolean isRecentsTopMost(ActivityManager.RunningTaskInfo topTask, AtomicBoolean isHomeTopMost) {
SystemServicesProxy ssp = mSystemServicesProxy;
if (topTask != null) {
ComponentName topActivity = topTask.topActivity;
// Check if the front most activity is recents
if (topActivity.getPackageName().equals(sRecentsPackage) &&
topActivity.getClassName().equals(sRecentsActivity)) {
if (isHomeTopMost != null) {
isHomeTopMost.set(false);
}
return true;
}
if (isHomeTopMost != null) {
isHomeTopMost.set(ssp.isInHomeStack(topTask.id));
}
}
return false;
}
/** Toggles the recents activity */
void toggleRecentsActivity() {
// If the user has toggled it too quickly, then just eat up the event here (it's better than
@@ -558,9 +527,9 @@ public class Recents extends SystemUI
// If Recents is the front most activity, then we should just communicate with it directly
// to launch the first task or dismiss itself
ActivityManager.RunningTaskInfo topTask = getTopMostTask();
ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
AtomicBoolean isTopTaskHome = new AtomicBoolean(true);
if (topTask != null && isRecentsTopMost(topTask, isTopTaskHome)) {
if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
// Notify recents to toggle itself
Intent intent = createLocalBroadcastIntent(mContext, ACTION_TOGGLE_RECENTS_ACTIVITY);
mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT);
@@ -575,9 +544,9 @@ public class Recents extends SystemUI
/** Starts the recents activity if it is not already running */
void startRecentsActivity() {
// Check if the top task is in the home stack, and start the recents activity
ActivityManager.RunningTaskInfo topTask = getTopMostTask();
ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
AtomicBoolean isTopTaskHome = new AtomicBoolean(true);
if (topTask == null || !isRecentsTopMost(topTask, isTopTaskHome)) {
if (topTask == null || !mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
startRecentsActivity(topTask, isTopTaskHome.get());
}
}
@@ -677,12 +646,13 @@ public class Recents extends SystemUI
/** Starts the recents activity */
void startRecentsActivity(ActivityManager.RunningTaskInfo topTask, boolean isTopTaskHome) {
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
RecentsConfiguration.reinitialize(mContext, mSystemServicesProxy);
if (sInstanceLoadPlan == null) {
// Create a new load plan if onPreloadRecents() was never triggered
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
sInstanceLoadPlan = loader.createLoadPlan(mContext);
}
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
loader.preloadTasks(sInstanceLoadPlan, isTopTaskHome);
TaskStack stack = sInstanceLoadPlan.getTaskStack();

31
packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
View File

@@ -65,7 +65,6 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
DebugOverlayView.DebugOverlayViewCallbacks {
RecentsConfiguration mConfig;
boolean mVisible;
long mLastTabKeyEventTime;
// Top level views
@@ -181,7 +180,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
});
/** Updates the set of recent tasks */
void updateRecentsTasks(Intent launchIntent) {
void updateRecentsTasks() {
// If AlternateRecentsComponent has preloaded a load plan, then use that to prevent
// reconstructing the task stack
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
@@ -315,7 +314,8 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
/** Dismisses recents if we are already visible and the intent is to toggle the recents view */
boolean dismissRecentsToFocusedTaskOrHome(boolean checkFilteredStackState) {
if (mVisible) {
SystemServicesProxy ssp = RecentsTaskLoader.getInstance().getSystemServicesProxy();
if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) {
// If we currently have filtered stacks, then unfilter those first
if (checkFilteredStackState &&
mRecentsView.unfilterFilteredStacks()) return true;
@@ -349,7 +349,8 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
/** Dismisses Recents directly to Home if we currently aren't transitioning. */
boolean dismissRecentsToHome(boolean animated) {
if (mVisible) {
SystemServicesProxy ssp = RecentsTaskLoader.getInstance().getSystemServicesProxy();
if (ssp.isRecentsTopMost(ssp.getTopMostTask(), null)) {
// Return to Home
dismissRecentsToHomeRaw(animated);
return true;
@@ -361,12 +362,11 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// For the non-primary user, ensure that the SystemSericesProxy is initialized
// For the non-primary user, ensure that the SystemServicesProxy and configuration is
// initialized
RecentsTaskLoader.initialize(this);
// Initialize the loader and the configuration
mConfig = RecentsConfiguration.reinitialize(this,
RecentsTaskLoader.getInstance().getSystemServicesProxy());
SystemServicesProxy ssp = RecentsTaskLoader.getInstance().getSystemServicesProxy();
mConfig = RecentsConfiguration.reinitialize(this, ssp);
// Initialize the widget host (the host id is static and does not change)
mAppWidgetHost = new RecentsAppWidgetHost(this, Constants.Values.App.AppWidgetHostId);
@@ -421,9 +421,6 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
super.onNewIntent(intent);
setIntent(intent);
// Reinitialize the configuration
RecentsConfiguration.reinitialize(this, RecentsTaskLoader.getInstance().getSystemServicesProxy());
// Clear any debug rects
if (mDebugOverlay != null) {
mDebugOverlay.clear();
@@ -433,7 +430,6 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
@Override
protected void onStart() {
super.onStart();
mVisible = true;
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
SystemServicesProxy ssp = loader.getSystemServicesProxy();
Recents.notifyVisibilityChanged(this, ssp, true);
@@ -449,13 +445,18 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
loader.registerReceivers(this, mRecentsView);
// Update the recent tasks
updateRecentsTasks(getIntent());
updateRecentsTasks();
// If this is a new instance from a configuration change, then we have to manually trigger
// the enter animation state
if (mConfig.launchedHasConfigurationChanged) {
onEnterAnimationTriggered();
}
}
@Override
protected void onStop() {
super.onStop();
mVisible = false;
RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
SystemServicesProxy ssp = loader.getSystemServicesProxy();
Recents.notifyVisibilityChanged(this, ssp, false);

35
packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
View File

@@ -60,12 +60,14 @@ import android.view.WindowManager;
import android.view.accessibility.AccessibilityManager;
import com.android.systemui.R;
import com.android.systemui.recents.Constants;
import com.android.systemui.recents.Recents;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Acts as a shim around the real system services that we need to access data from, and provides
@@ -212,11 +214,42 @@ public class SystemServicesProxy {
}
/** Returns a list of the running tasks */
public List<ActivityManager.RunningTaskInfo> getRunningTasks(int numTasks) {
private List<ActivityManager.RunningTaskInfo> getRunningTasks(int numTasks) {
if (mAm == null) return null;
return mAm.getRunningTasks(numTasks);
}
/** Returns the top task. */
public ActivityManager.RunningTaskInfo getTopMostTask() {
List<ActivityManager.RunningTaskInfo> tasks = getRunningTasks(1);
if (!tasks.isEmpty()) {
return tasks.get(0);
}
return null;
}
/** Returns whether the recents is currently running */
public boolean isRecentsTopMost(ActivityManager.RunningTaskInfo topTask,
AtomicBoolean isHomeTopMost) {
if (topTask != null) {
ComponentName topActivity = topTask.topActivity;
// Check if the front most activity is recents
if (topActivity.getPackageName().equals(Recents.sRecentsPackage) &&
topActivity.getClassName().equals(Recents.sRecentsActivity)) {
if (isHomeTopMost != null) {
isHomeTopMost.set(false);
}
return true;
}
if (isHomeTopMost != null) {
isHomeTopMost.set(isInHomeStack(topTask.id));
}
}
return false;
}
/** Returns whether the specified task is in the home stack */
public boolean isInHomeStack(int taskId) {
if (mAm == null) return false;

2
packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
View File

@@ -252,6 +252,8 @@ public class TaskStack {
if (group.getTaskCount() == 0) {
removeGroup(group);
}
// Update the lock-to-app state
t.lockToThisTask = false;
if (mCb != null) {
// Notify that a task has been removed
mCb.onStackTaskRemoved(this, t, null);

2
packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
View File

@@ -542,7 +542,7 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV
loader.deleteTaskData(t, false);
// Remove the old task from activity manager
RecentsTaskLoader.getInstance().getSystemServicesProxy().removeTask(t.key.id);
loader.getSystemServicesProxy().removeTask(t.key.id);
}
@Override

19
packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
View File

@@ -273,20 +273,21 @@ class TaskStackViewTouchHandler implements SwipeHelper.Callback {
break;
}
case MotionEvent.ACTION_UP: {
final VelocityTracker velocityTracker = mVelocityTracker;
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int velocity = (int) velocityTracker.getYVelocity(mActivePointerId);
mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int velocity = (int) mVelocityTracker.getYVelocity(mActivePointerId);
if (mIsScrolling && (Math.abs(velocity) > mMinimumVelocity)) {
int overscrollRange = (int) (Math.min(1f,
Math.abs((float) velocity / mMaximumVelocity)) *
Constants.Values.TaskStackView.TaskStackOverscrollRange);
// Fling scroll
mScroller.mScroller.fling(0, mScroller.progressToScrollRange(mScroller.getStackScroll()),
float overscrollRangePct = Math.abs((float) velocity / mMaximumVelocity);
int overscrollRange = (int) (Math.min(1f, overscrollRangePct) *
(Constants.Values.TaskStackView.TaskStackMaxOverscrollRange -
Constants.Values.TaskStackView.TaskStackMinOverscrollRange));
mScroller.mScroller.fling(0,
mScroller.progressToScrollRange(mScroller.getStackScroll()),
0, velocity,
0, 0,
mScroller.progressToScrollRange(mSv.mLayoutAlgorithm.mMinScrollP),
mScroller.progressToScrollRange(mSv.mLayoutAlgorithm.mMaxScrollP),
0, overscrollRange);
0, Constants.Values.TaskStackView.TaskStackMinOverscrollRange +
overscrollRange);
// Invalidate to kick off computeScroll
mSv.invalidate();
} else if (mScroller.isScrollOutOfBounds()) {