Merge "Handling activity recreate due to configuration changes in the middle of the long fling" into ub-launcher3-edmonton
diff --git a/protos/launcher_log.proto b/protos/launcher_log.proto
index 7e15434..179f21d 100644
--- a/protos/launcher_log.proto
+++ b/protos/launcher_log.proto
@@ -104,9 +104,9 @@
   VERTICAL_SCROLL = 9;
   HOME_INTENT = 10; // Deprecated, use enum Command instead
   BACK_BUTTON = 11; // Deprecated, use enum Command instead
-  // GO_TO_PLAYSTORE
   QUICK_SCRUB_BUTTON = 12;
   CLEAR_ALL_BUTTON = 13;
+  CANCEL_TARGET = 14;
 }
 
 // Used to define the action component of the LauncherEvent.
diff --git a/quickstep/res/layout/task.xml b/quickstep/res/layout/task.xml
index b8b360a..429f3a2 100644
--- a/quickstep/res/layout/task.xml
+++ b/quickstep/res/layout/task.xml
@@ -24,7 +24,7 @@
         android:layout_height="match_parent"
         android:layout_marginTop="@dimen/task_thumbnail_top_margin" />
 
-    <ImageView
+    <com.android.quickstep.views.IconView
         android:id="@+id/icon"
         android:layout_width="@dimen/task_thumbnail_icon_size"
         android:layout_height="@dimen/task_thumbnail_icon_size"
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java b/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
index 8549df3..34f580b 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewDrawable.java
@@ -21,7 +21,7 @@
 import android.graphics.PixelFormat;
 import android.graphics.drawable.Drawable;
 import android.util.FloatProperty;
-import android.widget.ImageView;
+import android.view.View;
 
 import com.android.launcher3.Utilities;
 import com.android.quickstep.views.RecentsView;
@@ -47,7 +47,7 @@
             (t) -> (Math.max(t, 0.3f) - 0.3f) / 0.7f;
 
     private final RecentsView mParent;
-    private final ImageView mIconView;
+    private final View mIconView;
     private final int[] mIconPos;
 
     private final TaskThumbnailView mThumbnailView;
diff --git a/quickstep/src/com/android/quickstep/views/IconView.java b/quickstep/src/com/android/quickstep/views/IconView.java
new file mode 100644
index 0000000..c359966
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/views/IconView.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2018 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.quickstep.views;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * A view which draws a drawable stretched to fit its size. Unlike ImageView, it avoids relayout
+ * when the drawable changes.
+ */
+public class IconView extends View {
+
+    private Drawable mDrawable;
+
+    public IconView(Context context) {
+        super(context);
+    }
+
+    public IconView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public IconView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public void setDrawable(Drawable d) {
+        if (mDrawable != null) {
+            mDrawable.setCallback(null);
+        }
+        mDrawable = d;
+        if (mDrawable != null) {
+            mDrawable.setCallback(this);
+            mDrawable.setBounds(0, 0, getWidth(), getHeight());
+        }
+        invalidate();
+    }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        if (mDrawable != null) {
+            mDrawable.setBounds(0, 0, w, h);
+        }
+    }
+
+    @Override
+    protected boolean verifyDrawable(Drawable who) {
+        return super.verifyDrawable(who) || who == mDrawable;
+    }
+
+    @Override
+    protected void drawableStateChanged() {
+        super.drawableStateChanged();
+
+        final Drawable drawable = mDrawable;
+        if (drawable != null && drawable.isStateful()
+                && drawable.setState(getDrawableState())) {
+            invalidateDrawable(drawable);
+        }
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        if (mDrawable != null) {
+            mDrawable.draw(canvas);
+        }
+    }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 7a04dcd..4263654 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -717,12 +717,15 @@
                 duration, LINEAR, anim);
     }
 
-    private void removeTask(Task task, PendingAnimation.OnEndListener onEndListener) {
+    private void removeTask(Task task, PendingAnimation.OnEndListener onEndListener,
+            boolean shouldLog) {
         if (task != null) {
             ActivityManagerWrapper.getInstance().removeTask(task.key.id);
-            mActivity.getUserEventDispatcher().logTaskLaunchOrDismiss(
-                    onEndListener.logAction, Direction.UP,
-                    TaskUtils.getComponentKeyForTask(task.key));
+            if (shouldLog) {
+                mActivity.getUserEventDispatcher().logTaskLaunchOrDismiss(
+                        onEndListener.logAction, Direction.UP,
+                        TaskUtils.getComponentKeyForTask(task.key));
+            }
         }
     }
 
@@ -805,7 +808,7 @@
         mPendingAnimation.addEndListener((onEndListener) -> {
            if (onEndListener.isSuccess) {
                if (shouldRemoveTask) {
-                   removeTask(taskView.getTask(), onEndListener);
+                   removeTask(taskView.getTask(), onEndListener, true);
                }
                int pageToSnapTo = mCurrentPage;
                if (draggedIndex < pageToSnapTo) {
@@ -841,7 +844,7 @@
             if (onEndListener.isSuccess) {
                 while (getChildCount() != 0) {
                     TaskView taskView = getPageAt(getChildCount() - 1);
-                    removeTask(taskView.getTask(), onEndListener);
+                    removeTask(taskView.getTask(), onEndListener, false);
                     removeView(taskView);
                 }
                 onAllTasksRemoved();
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index a7527a6..5fffb50 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -80,7 +80,7 @@
 
     private Task mTask;
     private TaskThumbnailView mSnapshotView;
-    private ImageView mIconView;
+    private IconView mIconView;
     private float mCurveScale;
     private float mCurveDimAlpha;
     private Animator mDimAlphaAnim;
@@ -133,7 +133,7 @@
         return mSnapshotView;
     }
 
-    public ImageView getIconView() {
+    public IconView getIconView() {
         return mIconView;
     }
 
@@ -163,7 +163,7 @@
     @Override
     public void onTaskDataLoaded(Task task, ThumbnailData thumbnailData) {
         mSnapshotView.setThumbnail(task, thumbnailData);
-        mIconView.setImageDrawable(task.icon);
+        mIconView.setDrawable(task.icon);
         mIconView.setOnClickListener(icon -> TaskMenuView.showForTask(this));
         mIconView.setOnLongClickListener(icon -> {
             requestDisallowInterceptTouchEvent(true);
@@ -174,7 +174,7 @@
     @Override
     public void onTaskDataUnloaded() {
         mSnapshotView.setThumbnail(null, null);
-        mIconView.setImageDrawable(null);
+        mIconView.setDrawable(null);
         mIconView.setOnLongClickListener(null);
     }
 
diff --git a/src/com/android/launcher3/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index c35ab97..ed8c42d 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -45,6 +45,7 @@
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
+import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 
@@ -375,5 +376,5 @@
         return !mText.equals(displayedText);
     }
 
-    public abstract int getControlTypeForLogging();
+    public abstract Target getDropTargetForLogging();
 }
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 28d1129..64a58fb 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -24,10 +24,14 @@
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.folder.Folder;
+import com.android.launcher3.logging.LoggerUtils;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
+import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 
 public class DeleteDropTarget extends ButtonDropTarget {
 
+    private int mControlType = ControlType.DEFAULT_CONTROLTYPE;
+
     public DeleteDropTarget(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }
@@ -49,6 +53,7 @@
     public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
         super.onDragStart(dragObject, options);
         setTextBasedOnDragSource(dragObject.dragInfo);
+        setControlTypeBasedOnDragSource(dragObject.dragInfo);
     }
 
     /**
@@ -83,6 +88,14 @@
         }
     }
 
+    /**
+     * Set mControlType depending on the drag item.
+     */
+    private void setControlTypeBasedOnDragSource(ItemInfo item) {
+        mControlType = item.id != ItemInfo.NO_ID ? ControlType.REMOVE_TARGET
+                : ControlType.CANCEL_TARGET;
+    }
+
     @Override
     public void completeDrop(DragObject d) {
         ItemInfo item = d.dragInfo;
@@ -106,7 +119,9 @@
     }
 
     @Override
-    public int getControlTypeForLogging() {
-        return ControlType.REMOVE_TARGET;
+    public Target getDropTargetForLogging() {
+        Target t = LoggerUtils.newTarget(Target.Type.CONTROL);
+        t.controlType = mControlType;
+        return t;
     }
 }
diff --git a/src/com/android/launcher3/SecondaryDropTarget.java b/src/com/android/launcher3/SecondaryDropTarget.java
index 7870af9..76e85e2 100644
--- a/src/com/android/launcher3/SecondaryDropTarget.java
+++ b/src/com/android/launcher3/SecondaryDropTarget.java
@@ -8,8 +8,6 @@
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_DESKTOP;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.RECONFIGURE;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.UNINSTALL;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ControlType.SETTINGS_BUTTON;
-import static com.android.launcher3.userevent.nano.LauncherLogProto.ControlType.UNINSTALL_TARGET;
 
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
@@ -33,6 +31,8 @@
 import com.android.launcher3.Launcher.OnResumeCallback;
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.dragndrop.DragOptions;
+import com.android.launcher3.logging.LoggerUtils;
+import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.Themes;
 
@@ -98,8 +98,11 @@
     }
 
     @Override
-    public int getControlTypeForLogging() {
-        return mCurrentAccessibilityAction == UNINSTALL ? UNINSTALL_TARGET : SETTINGS_BUTTON;
+    public Target getDropTargetForLogging() {
+        Target t = LoggerUtils.newTarget(Target.Type.CONTROL);
+        t.controlType = mCurrentAccessibilityAction == UNINSTALL ? ControlType.UNINSTALL_TARGET
+                : ControlType.SETTINGS_BUTTON;
+        return t;
     }
 
     @Override
diff --git a/src/com/android/launcher3/logging/LoggerUtils.java b/src/com/android/launcher3/logging/LoggerUtils.java
index 01b1424..9d97cb9 100644
--- a/src/com/android/launcher3/logging/LoggerUtils.java
+++ b/src/com/android/launcher3/logging/LoggerUtils.java
@@ -167,11 +167,10 @@
         if (!(v instanceof ButtonDropTarget)) {
             return newTarget(Target.Type.CONTAINER);
         }
-        Target t = newTarget(Target.Type.CONTROL);
         if (v instanceof ButtonDropTarget) {
-            t.controlType = ((ButtonDropTarget) v).getControlTypeForLogging();
+            return ((ButtonDropTarget) v).getDropTargetForLogging();
         }
-        return t;
+        return newTarget(Target.Type.CONTROL);
     }
 
     public static Target newTarget(int targetType, TargetExtension extension) {
@@ -186,6 +185,7 @@
         t.type = targetType;
         return t;
     }
+
     public static Target newContainerTarget(int containerType) {
         Target t = newTarget(Target.Type.CONTAINER);
         t.containerType = containerType;
@@ -197,11 +197,13 @@
         a.type = type;
         return a;
     }
+
     public static Action newCommandAction(int command) {
         Action a = newAction(Action.Type.COMMAND);
         a.command = command;
         return a;
     }
+
     public static Action newTouchAction(int touch) {
         Action a = newAction(Action.Type.TOUCH);
         a.touch = touch;