Merge changes Ib57ea73f,I5cbd21ed,Id32f03c7,I131df87f

* changes:
  4/ Update SysUI shared lib for Recents transition
  3/ Add input consumer to capture touches during a Recents transition
  2/ Add support for remote Recents animation
  1/ Create display content window controller to position stacks in the display

6 files changed, 144 insertions, 6 deletions

diff --git a/core/java/android/app/ActivityOptions.java b/core/java/android/app/ActivityOptions.java
index 4bcd677e1f4e..fee58274a5fc 100644
--- a/core/java/android/app/ActivityOptions.java
+++ b/core/java/android/app/ActivityOptions.java
@@ -207,6 +207,12 @@ public class ActivityOptions {
             "android.activity.taskOverlayCanResume";
 
     /**
+     * See {@link #setAvoidMoveToFront()}.
+     * @hide
+     */
+    private static final String KEY_AVOID_MOVE_TO_FRONT = "android.activity.avoidMoveToFront";
+
+    /**
      * Where the split-screen-primary stack should be positioned.
      * @hide
      */
@@ -307,6 +313,7 @@ public class ActivityOptions {
     private boolean mDisallowEnterPictureInPictureWhileLaunching;
     private boolean mTaskOverlay;
     private boolean mTaskOverlayCanResume;
+    private boolean mAvoidMoveToFront;
     private AppTransitionAnimationSpec mAnimSpecs[];
     private int mRotationAnimationHint = -1;
     private Bundle mAppVerificationBundle;
@@ -923,6 +930,7 @@ public class ActivityOptions {
         mLaunchTaskId = opts.getInt(KEY_LAUNCH_TASK_ID, -1);
         mTaskOverlay = opts.getBoolean(KEY_TASK_OVERLAY, false);
         mTaskOverlayCanResume = opts.getBoolean(KEY_TASK_OVERLAY_CAN_RESUME, false);
+        mAvoidMoveToFront = opts.getBoolean(KEY_AVOID_MOVE_TO_FRONT, false);
         mSplitScreenCreateMode = opts.getInt(KEY_SPLIT_SCREEN_CREATE_MODE,
                 SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT);
         mDisallowEnterPictureInPictureWhileLaunching = opts.getBoolean(
@@ -1239,6 +1247,25 @@ public class ActivityOptions {
         return mTaskOverlayCanResume;
     }
 
+    /**
+     * Sets whether the activity launched should not cause the activity stack it is contained in to
+     * be moved to the front as a part of launching.
+     *
+     * @hide
+     */
+    public void setAvoidMoveToFront() {
+        mAvoidMoveToFront = true;
+    }
+
+    /**
+     * @return whether the activity launch should prevent moving the associated activity stack to
+     *         the front.
+     * @hide
+     */
+    public boolean getAvoidMoveToFront() {
+        return mAvoidMoveToFront;
+    }
+
     /** @hide */
     public int getSplitScreenCreateMode() {
         return mSplitScreenCreateMode;
@@ -1416,6 +1443,7 @@ public class ActivityOptions {
         b.putInt(KEY_LAUNCH_TASK_ID, mLaunchTaskId);
         b.putBoolean(KEY_TASK_OVERLAY, mTaskOverlay);
         b.putBoolean(KEY_TASK_OVERLAY_CAN_RESUME, mTaskOverlayCanResume);
+        b.putBoolean(KEY_AVOID_MOVE_TO_FRONT, mAvoidMoveToFront);
         b.putInt(KEY_SPLIT_SCREEN_CREATE_MODE, mSplitScreenCreateMode);
         b.putBoolean(KEY_DISALLOW_ENTER_PICTURE_IN_PICTURE_WHILE_LAUNCHING,
                 mDisallowEnterPictureInPictureWhileLaunching);
diff --git a/core/java/android/app/IActivityManager.aidl b/core/java/android/app/IActivityManager.aidl
index 9c15562b5813..56bc184e89c4 100644
--- a/core/java/android/app/IActivityManager.aidl
+++ b/core/java/android/app/IActivityManager.aidl
@@ -65,6 +65,7 @@ import android.os.PersistableBundle;
 import android.os.StrictMode;
 import android.os.WorkSource;
 import android.service.voice.IVoiceInteractionSession;
+import android.view.IRecentsAnimationRunner;
 import android.view.RemoteAnimationDefinition;
 import com.android.internal.app.IVoiceInteractor;
 import com.android.internal.os.IResultReceiver;
@@ -441,8 +442,9 @@ interface IActivityManager {
             in Bundle options, int userId);
     int startAssistantActivity(in String callingPackage, int callingPid, int callingUid,
             in Intent intent, in String resolvedType, in Bundle options, int userId);
-    int startRecentsActivity(in IAssistDataReceiver assistDataReceiver, in Bundle options,
-            in Bundle activityOptions, int userId);
+    void startRecentsActivity(in Intent intent, in IAssistDataReceiver assistDataReceiver,
+            in IRecentsAnimationRunner recentsAnimationRunner);
+    void cancelRecentsAnimation();
     int startActivityFromRecents(int taskId, in Bundle options);
     Bundle getActivityOptions(in IBinder token);
     List<IBinder> getAppTasks(in String callingPackage);
diff --git a/core/java/android/view/IRecentsAnimationController.aidl b/core/java/android/view/IRecentsAnimationController.aidl
new file mode 100644
index 000000000000..5607b1134e5b
--- /dev/null
+++ b/core/java/android/view/IRecentsAnimationController.aidl
@@ -0,0 +1,54 @@
+/*
+ * 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 android.view;
+
+import android.app.ActivityManager;
+import android.view.IRemoteAnimationFinishedCallback;
+import android.graphics.GraphicBuffer;
+
+/**
+ * Passed to the {@link IRecentsAnimationRunner} in order for the runner to control to let the
+ * runner control certain aspects of the recents animation, and to notify window manager when the
+ * animation has completed.
+ *
+ * {@hide}
+ */
+interface IRecentsAnimationController {
+
+    /**
+     * Takes a screenshot of the task associated with the given {@param taskId}. Only valid for the
+     * current set of task ids provided to the handler.
+     */
+    ActivityManager.TaskSnapshot screenshotTask(int taskId);
+
+    /**
+     * Notifies to the system that the animation into Recents should end, and all leashes associated
+     * with remote animation targets should be relinquished. If {@param moveHomeToTop} is true, then
+     * the home activity should be moved to the top. Otherwise, the home activity is hidden and the
+     * user is returned to the app.
+     */
+    void finish(boolean moveHomeToTop);
+
+    /**
+     * Called by the handler to indicate that the recents animation input consumer should be
+     * enabled. This is currently used to work around an issue where registering an input consumer
+     * mid-animation causes the existing motion event chain to be canceled. Instead, the caller
+     * may register the recents animation input consumer prior to starting the recents animation
+     * and then enable it mid-animation to start receiving touch events.
+     */
+    void setInputConsumerEnabled(boolean enabled);
+}
diff --git a/core/java/android/view/IRecentsAnimationRunner.aidl b/core/java/android/view/IRecentsAnimationRunner.aidl
new file mode 100644
index 000000000000..ea6226b3ea69
--- /dev/null
+++ b/core/java/android/view/IRecentsAnimationRunner.aidl
@@ -0,0 +1,42 @@
+/*
+ * 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 android.view;
+
+import android.view.RemoteAnimationTarget;
+import android.view.IRecentsAnimationController;
+
+/**
+ * Interface that is used to callback from window manager to the process that runs a recents
+ * animation to start or cancel it.
+ *
+ * {@hide}
+ */
+oneway interface IRecentsAnimationRunner {
+
+    /**
+     * Called when the system is ready for the handler to start animating all the visible tasks.
+     */
+    void onAnimationStart(in IRecentsAnimationController controller,
+            in RemoteAnimationTarget[] apps);
+
+    /**
+     * Called when the system needs to cancel the current animation. This can be due to the
+     * wallpaper not drawing in time, or the handler not finishing the animation within a predefined
+     * amount of time.
+     */
+    void onAnimationCanceled();
+}
diff --git a/core/java/android/view/RemoteAnimationTarget.java b/core/java/android/view/RemoteAnimationTarget.java
index f39e618e169d..c28c3894482d 100644
--- a/core/java/android/view/RemoteAnimationTarget.java
+++ b/core/java/android/view/RemoteAnimationTarget.java
@@ -17,6 +17,7 @@
 package android.view;
 
 import android.annotation.IntDef;
+import android.app.WindowConfiguration;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Parcel;
@@ -98,8 +99,14 @@ public class RemoteAnimationTarget implements Parcelable {
      */
     public final Rect sourceContainerBounds;
 
+    /**
+     * The window configuration for the target.
+     */
+    public final WindowConfiguration windowConfiguration;
+
     public RemoteAnimationTarget(int taskId, int mode, SurfaceControl leash, boolean isTranslucent,
-            Rect clipRect, int prefixOrderIndex, Point position, Rect sourceContainerBounds) {
+            Rect clipRect, int prefixOrderIndex, Point position, Rect sourceContainerBounds,
+            WindowConfiguration windowConfig) {
         this.mode = mode;
         this.taskId = taskId;
         this.leash = leash;
@@ -108,6 +115,7 @@ public class RemoteAnimationTarget implements Parcelable {
         this.prefixOrderIndex = prefixOrderIndex;
         this.position = new Point(position);
         this.sourceContainerBounds = new Rect(sourceContainerBounds);
+        this.windowConfiguration = windowConfig;
     }
 
     public RemoteAnimationTarget(Parcel in) {
@@ -119,6 +127,7 @@ public class RemoteAnimationTarget implements Parcelable {
         prefixOrderIndex = in.readInt();
         position = in.readParcelable(null);
         sourceContainerBounds = in.readParcelable(null);
+        windowConfiguration = in.readParcelable(null);
     }
 
     @Override
@@ -136,6 +145,7 @@ public class RemoteAnimationTarget implements Parcelable {
         dest.writeInt(prefixOrderIndex);
         dest.writeParcelable(position, 0 /* flags */);
         dest.writeParcelable(sourceContainerBounds, 0 /* flags */);
+        dest.writeParcelable(windowConfiguration, 0 /* flags */);
     }
 
     public static final Creator<RemoteAnimationTarget> CREATOR
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 3bb3a4c17b8f..1c5e87197750 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -98,11 +98,13 @@ public interface WindowManager extends ViewManager {
     int DOCKED_BOTTOM = 4;
 
     /** @hide */
-    final static String INPUT_CONSUMER_PIP = "pip_input_consumer";
+    String INPUT_CONSUMER_PIP = "pip_input_consumer";
     /** @hide */
-    final static String INPUT_CONSUMER_NAVIGATION = "nav_input_consumer";
+    String INPUT_CONSUMER_NAVIGATION = "nav_input_consumer";
     /** @hide */
-    final static String INPUT_CONSUMER_WALLPAPER = "wallpaper_input_consumer";
+    String INPUT_CONSUMER_WALLPAPER = "wallpaper_input_consumer";
+    /** @hide */
+    String INPUT_CONSUMER_RECENTS_ANIMATION = "recents_animation_input_consumer";
 
     /**
      * Not set up for a transition.