Flip recents if setting is true

Bug: 72860694
Change-Id: I5cb71f553b2833a18a1b419b3744175bff963da8

quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java

@@ -259,6 +259,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
         int launchedTaskIndex = recentsView.indexOfChild(v);
         int centerTaskIndex = recentsView.getCurrentPage();
         boolean launchingCenterTask = launchedTaskIndex == centerTaskIndex;
+        boolean isRtl = recentsView.isRtl();
         if (launchingCenterTask) {
             if (launchedTaskIndex - 1 >= recentsView.getFirstTaskIndex()) {
                 TaskView adjacentPage1 = (TaskView) recentsView.getPageAt(launchedTaskIndex - 1);
@@ -267,7 +268,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
                                 new PropertyListBuilder()
                                         .scale(adjacentPage1.getScaleX() * mRecentsScale)
                                         .translationY(mRecentsTransY)
-                                        .translationX(mIsRtl ? mRecentsTransX : -mRecentsTransX)
+                                        .translationX(isRtl ? mRecentsTransX : -mRecentsTransX)
                                         .build());
                 launcherAnimator.play(adjacentTask1ScaleAndTranslate);
             }
@@ -278,7 +279,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
                                 new PropertyListBuilder()
                                         .scale(adjacentTask2.getScaleX() * mRecentsScale)
                                         .translationY(mRecentsTransY)
-                                        .translationX(mIsRtl ? -mRecentsTransX : mRecentsTransX)
+                                        .translationX(isRtl ? -mRecentsTransX : mRecentsTransX)
                                         .build());
                 launcherAnimator.play(adjacentTask2ScaleAndTranslate);
             }
@@ -290,7 +291,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
                     LauncherAnimUtils.ofPropertyValuesHolder(centerTask,
                             new PropertyListBuilder()
                                     .scale(v.getScaleX())
-                                    .translationX(mIsRtl ? -translationX : translationX)
+                                    .translationX(isRtl ? -translationX : translationX)
                                     .build());
             launcherAnimator.play(centerTaskParallaxToRight);
             int otherAdjacentTaskIndex = centerTaskIndex + (centerTaskIndex - launchedTaskIndex);
@@ -302,7 +303,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
                         LauncherAnimUtils.ofPropertyValuesHolder(otherAdjacentTask,
                                 new PropertyListBuilder()
                                         .translationX(otherAdjacentTask.getTranslationX()
-                                                + (mIsRtl ? -translationX : translationX))
+                                                + (isRtl ? -translationX : translationX))
                                         .build());
                 launcherAnimator.play(otherAdjacentTaskParallaxToRight);
             }
@@ -745,7 +746,7 @@ public class LauncherAppTransitionManagerImpl extends LauncherAppTransitionManag
         Matrix matrix = new Matrix();
         float height = mLauncher.getDeviceProfile().heightPx;
         float width = mLauncher.getDeviceProfile().widthPx;
-        float endX = (Utilities.isRtl(mLauncher.getResources()) ? -width : width) * 1.16f;
+        float endX = (mLauncher.<RecentsView>getOverviewPanel().isRtl() ? -width : width) * 1.16f;
 
         ValueAnimator closingAnimator = ValueAnimator.ofFloat(0, 1);
         closingAnimator.setDuration(CLOSING_TRANSITION_DURATION_MS);

quickstep/src/com/android/launcher3/uioverrides/OverviewState.java

@@ -26,7 +26,6 @@ import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.quickstep.RecentsView;
@@ -111,7 +110,7 @@ public class OverviewState extends LauncherState {
                 scale * (halfWidth - ws.getPaddingLeft() - insets.left - childWidth / 2);
         float translationX = pageRect.centerX() - childCenter;
 
-        if (Utilities.isRtl(launcher.getResources())) {
+        if (launcher.<RecentsView>getOverviewPanel().isRtl()) {
             translationX -= offsetX / scale;
         } else {
             translationX += offsetX / scale;

quickstep/src/com/android/quickstep/RecentsView.java

@@ -23,6 +23,8 @@ import static com.android.quickstep.TaskView.CURVE_INTERPOLATOR;
 
 import android.animation.LayoutTransition;
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.graphics.Bitmap;
 import android.graphics.BitmapShader;
 import android.graphics.Canvas;
@@ -62,7 +64,7 @@ import java.util.ArrayList;
 /**
  * A list of recent tasks.
  */
-public class RecentsView extends PagedView implements Insettable {
+public class RecentsView extends PagedView implements Insettable, OnSharedPreferenceChangeListener {
 
     private static final Rect sTempStableInsets = new Rect();
 
@@ -70,6 +72,8 @@ public class RecentsView extends PagedView implements Insettable {
     public static final int SCROLL_TYPE_TASK = 1;
     public static final int SCROLL_TYPE_WORKSPACE = 2;
 
+    private static final String PREF_FLIP_RECENTS = "pref_flip_recents";
+
     private final Launcher mLauncher;
     private QuickScrubController mQuickScrubController;
     private final ScrollState mScrollState = new ScrollState();
@@ -130,7 +134,23 @@ public class RecentsView extends PagedView implements Insettable {
         mQuickScrubController = new QuickScrubController(mLauncher, this);
         mModel = RecentsModel.getInstance(context);
 
-        mScrollState.isRtl = mIsRtl;
+        onSharedPreferenceChanged(Utilities.getPrefs(context), PREF_FLIP_RECENTS);
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+        if (s.equals(PREF_FLIP_RECENTS)) {
+            mIsRtl = Utilities.isRtl(getResources());
+            if (sharedPreferences.getBoolean(PREF_FLIP_RECENTS, false)) {
+                mIsRtl = !mIsRtl;
+            }
+            setLayoutDirection(mIsRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
+            mScrollState.isRtl = mIsRtl;
+        }
+    }
+
+    public boolean isRtl() {
+        return mIsRtl;
     }
 
     public TaskView updateThumbnail(int taskId, ThumbnailData thumbnailData) {
@@ -172,12 +192,14 @@ public class RecentsView extends PagedView implements Insettable {
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
         updateTaskStackListenerState();
+        Utilities.getPrefs(getContext()).registerOnSharedPreferenceChangeListener(this);
     }
 
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
         updateTaskStackListenerState();
+        Utilities.getPrefs(getContext()).unregisterOnSharedPreferenceChangeListener(this);
     }
 
     @Override

src/com/android/launcher3/PagedView.java

@@ -182,7 +182,7 @@ public abstract class PagedView<T extends View & PageIndicator> extends ViewGrou
     private static final Rect sTmpRect = new Rect();
 
     protected final Rect mInsets = new Rect();
-    protected final boolean mIsRtl;
+    protected boolean mIsRtl;
 
     // Similar to the platform implementation of isLayoutValid();
     protected boolean mIsLayoutValid;