am 2924dc34: Merge "Adding metrics to overview." into mnc-dev

* commit '2924dc346654a22f72575eb8ae3ce2e714818bd2':
  Adding metrics to overview.

core/java/com/android/internal/logging/MetricsLogger.java

@@ -43,7 +43,7 @@ public class MetricsLogger implements MetricsConstants {
     public static final int SYSTEM_ALERT_WINDOW_APPS = 221;
     public static final int DREAMING = 222;
     public static final int DOZING = 223;
-
+    public static final int OVERVIEW_ACTIVITY = 224;
     // Temporary constants go here, to await migration to MetricsConstants.
 
     public static void visible(Context context, int category) throws IllegalArgumentException {

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

@@ -20,6 +20,14 @@ package com.android.systemui.recents;
  * Constants
  */
 public class Constants {
+
+    public static class Metrics {
+        // DO NOT MODIFY THE ORDER OF THESE METRICS
+        public static final int DismissSourceKeyboard = 0;
+        public static final int DismissSourceSwipeGesture = 1;
+        public static final int DismissSourceHeaderButton = 2;
+    }
+
     public static class DebugFlags {
         // Enable this with any other debug flag to see more info
         public static final boolean Verbose = false;

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

@@ -39,6 +39,8 @@ import android.util.MutableBoolean;
 import android.view.Display;
 import android.view.LayoutInflater;
 import android.view.View;
+
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
 import com.android.systemui.RecentsComponent;
@@ -453,6 +455,9 @@ public class Recents extends SystemUI
             return;
         }
 
+        // Keep track of actually launched affiliated tasks
+        MetricsLogger.count(mContext, "overview_affiliated_task_launch", 1);
+
         // Launch the task
         if (toTask.isActive) {
             // Bring an active task to the foreground
@@ -465,11 +470,15 @@ public class Recents extends SystemUI
 
     @Override
     public void showNextAffiliatedTask() {
+        // Keep track of when the affiliated task is triggered
+        MetricsLogger.count(mContext, "overview_affiliated_task_next", 1);
         showRelativeAffiliatedTask(true);
     }
 
     @Override
     public void showPrevAffiliatedTask() {
+        // Keep track of when the affiliated task is triggered
+        MetricsLogger.count(mContext, "overview_affiliated_task_prev", 1);
         showRelativeAffiliatedTask(false);
     }
 

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

@@ -33,6 +33,8 @@ import android.view.View;
 import android.view.ViewStub;
 import android.widget.Toast;
 
+import com.android.internal.logging.MetricsConstants;
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.Prefs;
 import com.android.systemui.R;
 import com.android.systemui.recents.misc.Console;
@@ -224,6 +226,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
 
         // Mark the task that is the launch target
         int taskStackCount = stacks.size();
+        int launchTaskIndexInStack = 0;
         if (mConfig.launchedToTaskId != -1) {
             for (int i = 0; i < taskStackCount; i++) {
                 TaskStack stack = stacks.get(i);
@@ -233,6 +236,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
                     Task t = tasks.get(j);
                     if (t.key.id == mConfig.launchedToTaskId) {
                         t.isLaunchTarget = true;
+                        launchTaskIndexInStack = tasks.size() - j - 1;
                         break;
                     }
                 }
@@ -259,6 +263,28 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
 
         // Animate the SystemUI scrims into view
         mScrimViews.prepareEnterRecentsAnimation();
+
+        // Keep track of whether we launched from the nav bar button or via alt-tab
+        if (mConfig.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 (mConfig.launchedFromAppWithThumbnail) {
+            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 = 0;
+        for (int i = 0; i < stacks.size(); i++) {
+            TaskStack stack = stacks.get(i);
+            taskCount += stack.getTaskCount();
+        }
+        MetricsLogger.histogram(this, "overview_task_count", taskCount);
     }
 
     /** Dismisses recents if we are already visible and the intent is to toggle the recents view */
@@ -374,6 +400,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
     @Override
     protected void onStart() {
         super.onStart();
+        MetricsLogger.visible(this, MetricsLogger.OVERVIEW_ACTIVITY);
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         SystemServicesProxy ssp = loader.getSystemServicesProxy();
         Recents.notifyVisibilityChanged(this, ssp, true);
@@ -414,6 +441,7 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
     @Override
     protected void onStop() {
         super.onStop();
+        MetricsLogger.hidden(this, MetricsLogger.OVERVIEW_ACTIVITY);
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         SystemServicesProxy ssp = loader.getSystemServicesProxy();
         Recents.notifyVisibilityChanged(this, ssp, false);
@@ -498,6 +526,9 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
             case KeyEvent.KEYCODE_DEL:
             case KeyEvent.KEYCODE_FORWARD_DEL: {
                 mRecentsView.dismissFocusedTask();
+                // Keep track of deletions by keyboard
+                MetricsLogger.histogram(this, "overview_task_dismissed_source",
+                        Constants.Metrics.DismissSourceKeyboard);
                 return true;
             }
             default:
@@ -591,6 +622,8 @@ public class RecentsActivity extends Activity implements RecentsView.RecentsView
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         SystemServicesProxy ssp = loader.getSystemServicesProxy();
         Recents.startScreenPinning(this, ssp);
+
+        MetricsLogger.count(this, "overview_screen_pinned", 1);
     }
 
     @Override

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

@@ -37,6 +37,7 @@ import android.view.WindowInsets;
 import android.view.WindowManagerGlobal;
 import android.widget.FrameLayout;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.R;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.RecentsAppWidgetHostView;
@@ -589,11 +590,22 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV
                         if (mCb != null) {
                             mCb.onTaskLaunchFailed();
                         }
+
+                        // Keep track of failed launches
+                        MetricsLogger.count(getContext(), "overview_task_launch_failed", 1);
                     }
                 }
             }
         };
 
+        // Keep track of the index of the task launch
+        int taskIndexFromFront = 0;
+        int taskIndex = stack.indexOfTask(task);
+        if (taskIndex > -1) {
+            taskIndexFromFront = stack.getTaskCount() - taskIndex - 1;
+        }
+        MetricsLogger.histogram(getContext(), "overview_task_launch_index", taskIndexFromFront);
+
         // Launch the app right away if there is no task view, otherwise, animate the icon out first
         if (tv == null) {
             launchRunnable.run();
@@ -644,6 +656,9 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV
         }
 
         mCb.onAllTaskViewsDismissed();
+
+        // Keep track of all-deletions
+        MetricsLogger.count(getContext(), "overview_task_all_dismissed", 1);
     }
 
     /** Final callback after Recents is finally hidden. */

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

@@ -29,6 +29,8 @@ import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.FrameLayout;
+
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.R;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.RecentsConfiguration;
@@ -1361,6 +1363,9 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
     public void onTaskViewAppInfoClicked(TaskView tv) {
         if (mCb != null) {
             mCb.onTaskViewAppInfoClicked(tv.getTask());
+
+            // Keep track of app-info invocations
+            MetricsLogger.count(getContext(), "overview_app_info", 1);
         }
     }
 

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

@@ -23,6 +23,7 @@ import android.view.VelocityTracker;
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewParent;
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsConfiguration;
@@ -452,6 +453,9 @@ class TaskStackViewTouchHandler implements SwipeHelper.Callback {
         tv.setTouchEnabled(true);
         // Remove the task view from the stack
         mSv.onTaskViewDismissed(tv);
+        // Keep track of deletions by keyboard
+        MetricsLogger.histogram(tv.getContext(), "overview_task_dismissed_source",
+                Constants.Metrics.DismissSourceSwipeGesture);
     }
 
     @Override

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

@@ -27,6 +27,7 @@ import android.view.View;
 import android.view.ViewOutlineProvider;
 import android.view.animation.AccelerateInterpolator;
 import android.widget.FrameLayout;
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.R;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.RecentsConfiguration;
@@ -741,6 +742,9 @@ public class TaskView extends FrameLayout implements Task.TaskCallbacks,
                         }
                     } else if (v == mHeaderView.mDismissButton) {
                         dismissTask();
+                        // Keep track of deletions by the dismiss button
+                        MetricsLogger.histogram(getContext(), "overview_task_dismissed_source",
+                                Constants.Metrics.DismissSourceHeaderButton);
                     } else if (v == mHeaderView.mMoveTaskButton) {
                         if (mCb != null) {
                             mCb.onTaskResize(tv);