Split AppToOverviewAnimation for Go

Split AppToOverviewAnimationProvider between a Go recents version and
non-Go version as the animation from the app to recents will be
different for Go recents.

Bug: 114136250
Test: Manual test NexusLauncher, l3goWithQuickstep, l3goIconRecents
Change-Id: Iefdafd3838579b780817568b8c707098b79a8cdb

2 files changed, 88 insertions, 0 deletions

diff --git a/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
new file mode 100644
index 000000000..f199643bc
--- /dev/null
+++ b/go/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2019 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;
+
+import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
+
+import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
+import android.util.Log;
+
+import com.android.launcher3.BaseDraggingActivity;
+import com.android.quickstep.util.RemoteAnimationProvider;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+
+/**
+ * Provider for the atomic remote window animation from the app to the overview.
+ *
+ * @param <T> activity that contains the overview
+ */
+final class AppToOverviewAnimationProvider<T extends BaseDraggingActivity> implements
+        RemoteAnimationProvider {
+
+    private static final long RECENTS_LAUNCH_DURATION = 250;
+    private static final String TAG = "AppToOverviewAnimationProvider";
+
+    private final ActivityControlHelper<T> mHelper;
+
+    AppToOverviewAnimationProvider(ActivityControlHelper<T> helper, int targetTaskId) {
+        mHelper = helper;
+    }
+
+    /**
+     * Callback for when the activity is ready/initialized.
+     *
+     * @param activity the activity that is ready
+     * @param wasVisible true if it was visible before
+     */
+    boolean onActivityReady(T activity, Boolean wasVisible) {
+        ActivityControlHelper.AnimationFactory factory =
+                mHelper.prepareRecentsUI(activity, wasVisible,
+                        false /* animate activity */, (controller) -> {
+                            controller.dispatchOnStart();
+                            ValueAnimator anim = controller.getAnimationPlayer()
+                                    .setDuration(RECENTS_LAUNCH_DURATION);
+                            anim.setInterpolator(FAST_OUT_SLOW_IN);
+                            anim.start();
+                        });
+        factory.onRemoteAnimationReceived(null);
+        factory.createActivityController(RECENTS_LAUNCH_DURATION);
+        return false;
+    }
+
+    /**
+     * Create remote window animation from the currently running app to the overview panel.
+     *
+     * @param targetCompats the target apps
+     * @return animation from app to overview
+     */
+    @Override
+    public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targetCompats) {
+        //TODO: Implement the overview to app window animation for Go.
+        AnimatorSet anim = new AnimatorSet();
+        anim.play(ValueAnimator.ofInt(0, 1).setDuration(RECENTS_LAUNCH_DURATION));
+        return anim;
+    }
+
+    /**
+     * Get duration of animation from app to overview.
+     *
+     * @return duration of animation
+     */
+    long getRecentsLaunchDuration() {
+        return RECENTS_LAUNCH_DURATION;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
index e5747dc71..e5747dc71 100644
--- a/quickstep/src/com/android/quickstep/AppToOverviewAnimationProvider.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java