android10_Launcher3_original

go/quickstep/src/com/android/launcher3/GoLauncherAppTransitionManagerImpl.java

@@ -0,0 +1,94 @@
+package com.android.launcher3;
+
+import static com.android.launcher3.Utilities.postAsyncCallback;
+import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
+import static com.android.quickstep.views.IconRecentsView.CONTENT_ALPHA;
+import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
+
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.os.Handler;
+import android.view.View;
+
+import com.android.quickstep.views.IconRecentsView;
+import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+
+/**
+ * A {@link QuickstepAppTransitionManagerImpl} with recents-specific app transitions based off
+ * {@link com.android.quickstep.views.IconRecentsView}.
+ */
+public final class GoLauncherAppTransitionManagerImpl extends QuickstepAppTransitionManagerImpl {
+
+    public GoLauncherAppTransitionManagerImpl(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected boolean isLaunchingFromRecents(View v, RemoteAnimationTargetCompat[] targets) {
+        return mLauncher.getStateManager().getState().overviewUi;
+    }
+
+    @Override
+    RemoteAnimationRunnerCompat getWallpaperOpenRunner(boolean fromUnlock) {
+        return new GoWallpaperOpenLauncherAnimationRunner(mHandler,
+                false /* startAtFrontOfQueue */, fromUnlock);
+    }
+
+    @Override
+    protected void composeRecentsLaunchAnimator(AnimatorSet anim, View v,
+            RemoteAnimationTargetCompat[] targets, boolean launcherClosing) {
+        // Stubbed. Recents launch animation will come from the recents view itself and will not
+        // use remote animations.
+    }
+
+    @Override
+    protected Runnable composeViewContentAnimator(AnimatorSet anim, float[] alphas, float[] trans) {
+        IconRecentsView overview = mLauncher.getOverviewPanel();
+        ObjectAnimator alpha = ObjectAnimator.ofFloat(overview,
+                CONTENT_ALPHA, alphas);
+        alpha.setDuration(CONTENT_ALPHA_DURATION);
+        alpha.setInterpolator(LINEAR);
+        anim.play(alpha);
+
+        ObjectAnimator transY = ObjectAnimator.ofFloat(overview, View.TRANSLATION_Y, trans);
+        transY.setInterpolator(AGGRESSIVE_EASE);
+        transY.setDuration(CONTENT_TRANSLATION_DURATION);
+        anim.play(transY);
+
+        return mLauncher.getStateManager()::reapplyState;
+    }
+
+    /**
+     * Remote animation runner for animation from app to Launcher. For Go, when going to recents,
+     * we need to ensure that the recents view is ready for remote animation before starting.
+     */
+    private final class GoWallpaperOpenLauncherAnimationRunner extends
+            WallpaperOpenLauncherAnimationRunner {
+        public GoWallpaperOpenLauncherAnimationRunner(Handler handler, boolean startAtFrontOfQueue,
+                boolean fromUnlock) {
+            super(handler, startAtFrontOfQueue, fromUnlock);
+        }
+
+        @Override
+        public void onCreateAnimation(RemoteAnimationTargetCompat[] targetCompats,
+                AnimationResult result) {
+            boolean isGoingToRecents =
+                    taskIsATargetWithMode(targetCompats, mLauncher.getTaskId(), MODE_OPENING)
+                    && (mLauncher.getStateManager().getState() == LauncherState.OVERVIEW);
+            if (isGoingToRecents) {
+                IconRecentsView recentsView = mLauncher.getOverviewPanel();
+                if (!recentsView.isReadyForRemoteAnim()) {
+                    recentsView.setOnReadyForRemoteAnimCallback(() ->
+                        postAsyncCallback(mHandler, () -> onCreateAnimation(targetCompats, result))
+                    );
+                    return;
+                }
+            }
+            super.onCreateAnimation(targetCompats, result);
+        }
+    }
+}