am 005d1a2b: am 981975a3: Merge "Fixing case where we were not preloading tasks correctly." into mnc-dev

* commit '005d1a2b8a3e176be9462d7370afa4a2a623bb33':
  Fixing case where we were not preloading tasks correctly.

packages/SystemUI/src/com/android/systemui/recents/Recents.java

@@ -35,6 +35,7 @@ import android.graphics.Rect;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.os.UserHandle;
+import android.util.MutableBoolean;
 import android.util.Pair;
 import android.view.Display;
 import android.view.LayoutInflater;
@@ -57,7 +58,6 @@ import com.android.systemui.recents.views.TaskViewTransform;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 
 import java.util.ArrayList;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * Annotation for a method that is only called from the primary user's SystemUI process and will be
@@ -362,7 +362,12 @@ public class Recents extends SystemUI
         // RecentsActivity)
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         sInstanceLoadPlan = loader.createLoadPlan(mContext);
-        sInstanceLoadPlan.preloadRawTasks(true);
+
+        ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
+        MutableBoolean isTopTaskHome = new MutableBoolean(true);
+        if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
+            sInstanceLoadPlan.preloadRawTasks(isTopTaskHome.value);
+        }
     }
 
     @Override
@@ -546,7 +551,7 @@ 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 = mSystemServicesProxy.getTopMostTask();
-        AtomicBoolean isTopTaskHome = new AtomicBoolean(true);
+        MutableBoolean isTopTaskHome = new MutableBoolean(true);
         if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
             // Notify recents to toggle itself
             Intent intent = createLocalBroadcastIntent(mContext, ACTION_TOGGLE_RECENTS_ACTIVITY);
@@ -555,7 +560,7 @@ public class Recents extends SystemUI
             return;
         } else {
             // Otherwise, start the recents activity
-            startRecentsActivity(topTask, isTopTaskHome.get());
+            startRecentsActivity(topTask, isTopTaskHome.value);
         }
     }
 
@@ -563,9 +568,9 @@ public class Recents extends SystemUI
     void startRecentsActivity() {
         // Check if the top task is in the home stack, and start the recents activity
         ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
-        AtomicBoolean isTopTaskHome = new AtomicBoolean(true);
+        MutableBoolean isTopTaskHome = new MutableBoolean(true);
         if (topTask == null || !mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
-            startRecentsActivity(topTask, isTopTaskHome.get());
+            startRecentsActivity(topTask, isTopTaskHome.value);
         }
     }
 
@@ -654,6 +659,7 @@ public class Recents extends SystemUI
         if (task == null) {
             // If no task is specified or we can not find the task just use the front most one
             task = tasks.get(tasks.size() - 1);
+            runningTaskOut.copyFrom(task);
         }
 
         // Get the transform for the running task

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

@@ -54,6 +54,7 @@ import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.Log;
+import android.util.MutableBoolean;
 import android.util.Pair;
 import android.util.SparseArray;
 import android.view.Display;
@@ -67,12 +68,9 @@ import com.android.systemui.recents.Recents;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
 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
@@ -192,7 +190,7 @@ public class SystemServicesProxy {
 
         // Break early if we can't get a valid set of tasks
         if (tasks == null) {
-            return new ArrayList<ActivityManager.RecentTaskInfo>();
+            return new ArrayList<>();
         }
 
         boolean isFirstValidTask = true;
@@ -235,7 +233,7 @@ public class SystemServicesProxy {
 
     /** Returns whether the recents is currently running */
     public boolean isRecentsTopMost(ActivityManager.RunningTaskInfo topTask,
-            AtomicBoolean isHomeTopMost) {
+            MutableBoolean isHomeTopMost) {
         if (topTask != null) {
             ComponentName topActivity = topTask.topActivity;
 
@@ -243,13 +241,13 @@ public class SystemServicesProxy {
             if (topActivity.getPackageName().equals(Recents.sRecentsPackage) &&
                     topActivity.getClassName().equals(Recents.sRecentsActivity)) {
                 if (isHomeTopMost != null) {
-                    isHomeTopMost.set(false);
+                    isHomeTopMost.value = false;
                 }
                 return true;
             }
 
             if (isHomeTopMost != null) {
-                isHomeTopMost.set(isInHomeStack(topTask.id));
+                isHomeTopMost.value = isInHomeStack(topTask.id);
             }
         }
         return false;

packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java

@@ -104,13 +104,9 @@ public class RecentsTaskLoadPlan {
         if (mRawTasks == null) {
             preloadRawTasks(isTopTaskHome);
         }
-        int firstStackId = -1;
         int taskCount = mRawTasks.size();
         for (int i = 0; i < taskCount; i++) {
             ActivityManager.RecentTaskInfo t = mRawTasks.get(i);
-            if (firstStackId < 0) {
-                firstStackId = t.stackId;
-            }
 
             // Compose the task key
             Task.TaskKey taskKey = new Task.TaskKey(t.persistentId, t.stackId, t.baseIntent,
@@ -158,17 +154,17 @@ public class RecentsTaskLoadPlan {
 
             if (!mConfig.multiStackEnabled ||
                     Constants.DebugFlags.App.EnableMultiStackToSingleStack) {
-                firstStackId = 0;
+                int firstStackId = 0;
                 ArrayList<Task> stackTasks = stacksTasks.get(firstStackId);
                 if (stackTasks == null) {
-                    stackTasks = new ArrayList<Task>();
+                    stackTasks = new ArrayList<>();
                     stacksTasks.put(firstStackId, stackTasks);
                 }
                 stackTasks.add(task);
             } else {
                 ArrayList<Task> stackTasks = stacksTasks.get(t.stackId);
                 if (stackTasks == null) {
-                    stackTasks = new ArrayList<Task>();
+                    stackTasks = new ArrayList<>();
                     stacksTasks.put(t.stackId, stackTasks);
                 }
                 stackTasks.add(task);

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

@@ -550,7 +550,7 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV
         if (tv == null) {
             launchRunnable.run();
         } else {
-            if (!task.group.isFrontMostTask(task)) {
+            if (task.group != null && !task.group.isFrontMostTask(task)) {
                 // For affiliated tasks that are behind other tasks, we must animate the front cards
                 // out of view before starting the task transition
                 stackView.startLaunchTaskAnimation(tv, launchRunnable, lockToTask);