Moves WindowMagnificationConnectionImpl.class outside of WindowMagnification

Bug: 144080869
Test: none
Change-Id: Id53cbdce4cec4a006978fbb93ea1b2635b8a56f0
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
index 724d197..c71bb5b 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
@@ -17,20 +17,16 @@
 package com.android.systemui.accessibility;
 
 import android.annotation.MainThread;
-import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.Handler;
-import android.os.RemoteException;
-import android.util.Log;
 import android.view.SurfaceControl;
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.IRemoteMagnificationAnimationCallback;
 import android.view.accessibility.IWindowMagnificationConnection;
-import android.view.accessibility.IWindowMagnificationConnectionCallback;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.graphics.SfVsyncFrameCallbackProvider;
@@ -174,95 +170,4 @@
         mAccessibilityManager.setWindowMagnificationConnection(null);
         //TODO: destroy controllers.
     }
-
-    private static class WindowMagnificationConnectionImpl extends
-            IWindowMagnificationConnection.Stub {
-
-        private static final String TAG = "WindowMagnificationConnectionImpl";
-
-        private IWindowMagnificationConnectionCallback mConnectionCallback;
-        private final WindowMagnification mWindowMagnification;
-        private final Handler mHandler;
-        private final ModeSwitchesController mModeSwitchesController;
-
-        WindowMagnificationConnectionImpl(@NonNull WindowMagnification windowMagnification,
-                @Main Handler mainHandler, ModeSwitchesController modeSwitchesController) {
-            mWindowMagnification = windowMagnification;
-            mHandler = mainHandler;
-            mModeSwitchesController = modeSwitchesController;
-        }
-
-        @Override
-        public void enableWindowMagnification(int displayId, float scale, float centerX,
-                float centerY, IRemoteMagnificationAnimationCallback callback) {
-            mHandler.post(
-                    () -> mWindowMagnification.enableWindowMagnification(displayId, scale, centerX,
-                            centerY, callback));
-        }
-
-        @Override
-        public void setScale(int displayId, float scale) {
-            mHandler.post(() -> mWindowMagnification.setScale(displayId, scale));
-        }
-
-        @Override
-        public void disableWindowMagnification(int displayId,
-                IRemoteMagnificationAnimationCallback callback) {
-            mHandler.post(() -> mWindowMagnification.disableWindowMagnification(displayId,
-                    callback));
-        }
-
-        @Override
-        public void moveWindowMagnifier(int displayId, float offsetX, float offsetY) {
-            mHandler.post(
-                    () -> mWindowMagnification.moveWindowMagnifier(displayId, offsetX, offsetY));
-        }
-
-        @Override
-        public void showMagnificationButton(int displayId, int magnificationMode) {
-            mHandler.post(
-                    () -> mModeSwitchesController.showButton(displayId, magnificationMode));
-        }
-
-        @Override
-        public void removeMagnificationButton(int displayId) {
-            mHandler.post(
-                    () -> mModeSwitchesController.removeButton(displayId));
-        }
-
-        @Override
-        public void setConnectionCallback(IWindowMagnificationConnectionCallback callback) {
-            mConnectionCallback = callback;
-        }
-
-        void onWindowMagnifierBoundsChanged(int displayId, Rect frame) {
-            if (mConnectionCallback != null) {
-                try {
-                    mConnectionCallback.onWindowMagnifierBoundsChanged(displayId, frame);
-                } catch (RemoteException e) {
-                    Log.e(TAG, "Failed to inform bounds changed", e);
-                }
-            }
-        }
-
-        void onSourceBoundsChanged(int displayId, Rect sourceBounds) {
-            if (mConnectionCallback != null) {
-                try {
-                    mConnectionCallback.onSourceBoundsChanged(displayId, sourceBounds);
-                } catch (RemoteException e) {
-                    Log.e(TAG, "Failed to inform source bounds changed", e);
-                }
-            }
-        }
-
-        void onPerformScaleAction(int displayId, float scale) {
-            if (mConnectionCallback != null) {
-                try {
-                    mConnectionCallback.onPerformScaleAction(displayId, scale);
-                } catch (RemoteException e) {
-                    Log.e(TAG, "Failed to inform performing scale action", e);
-                }
-            }
-        }
-    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationConnectionImpl.java b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationConnectionImpl.java
new file mode 100644
index 0000000..be7d757
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationConnectionImpl.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2020 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.systemui.accessibility;
+
+import android.annotation.NonNull;
+import android.graphics.Rect;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.util.Log;
+import android.view.accessibility.IRemoteMagnificationAnimationCallback;
+import android.view.accessibility.IWindowMagnificationConnection;
+import android.view.accessibility.IWindowMagnificationConnectionCallback;
+
+import com.android.systemui.dagger.qualifiers.Main;
+
+/**
+ * Implementation of window magnification connection.
+ *
+ * @see IWindowMagnificationConnection
+ */
+class WindowMagnificationConnectionImpl extends IWindowMagnificationConnection.Stub {
+
+    private static final String TAG = "WindowMagnificationConnectionImpl";
+
+    private IWindowMagnificationConnectionCallback mConnectionCallback;
+    private final WindowMagnification mWindowMagnification;
+    private final Handler mHandler;
+    private final ModeSwitchesController mModeSwitchesController;
+
+    WindowMagnificationConnectionImpl(@NonNull WindowMagnification windowMagnification,
+            @Main Handler mainHandler, ModeSwitchesController modeSwitchesController) {
+        mWindowMagnification = windowMagnification;
+        mHandler = mainHandler;
+        mModeSwitchesController = modeSwitchesController;
+    }
+
+    @Override
+    public void enableWindowMagnification(int displayId, float scale, float centerX,
+            float centerY, IRemoteMagnificationAnimationCallback callback) {
+        mHandler.post(
+                () -> mWindowMagnification.enableWindowMagnification(displayId, scale, centerX,
+                        centerY, callback));
+    }
+
+    @Override
+    public void setScale(int displayId, float scale) {
+        mHandler.post(() -> mWindowMagnification.setScale(displayId, scale));
+    }
+
+    @Override
+    public void disableWindowMagnification(int displayId,
+            IRemoteMagnificationAnimationCallback callback) {
+        mHandler.post(() -> mWindowMagnification.disableWindowMagnification(displayId,
+                callback));
+    }
+
+    @Override
+    public void moveWindowMagnifier(int displayId, float offsetX, float offsetY) {
+        mHandler.post(
+                () -> mWindowMagnification.moveWindowMagnifier(displayId, offsetX, offsetY));
+    }
+
+    @Override
+    public void showMagnificationButton(int displayId, int magnificationMode) {
+        mHandler.post(
+                () -> mModeSwitchesController.showButton(displayId, magnificationMode));
+    }
+
+    @Override
+    public void removeMagnificationButton(int displayId) {
+        mHandler.post(
+                () -> mModeSwitchesController.removeButton(displayId));
+    }
+
+    @Override
+    public void setConnectionCallback(IWindowMagnificationConnectionCallback callback) {
+        mConnectionCallback = callback;
+    }
+
+    void onWindowMagnifierBoundsChanged(int displayId, Rect frame) {
+        if (mConnectionCallback != null) {
+            try {
+                mConnectionCallback.onWindowMagnifierBoundsChanged(displayId, frame);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Failed to inform bounds changed", e);
+            }
+        }
+    }
+
+    void onSourceBoundsChanged(int displayId, Rect sourceBounds) {
+        if (mConnectionCallback != null) {
+            try {
+                mConnectionCallback.onSourceBoundsChanged(displayId, sourceBounds);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Failed to inform source bounds changed", e);
+            }
+        }
+    }
+
+    void onPerformScaleAction(int displayId, float scale) {
+        if (mConnectionCallback != null) {
+            try {
+                mConnectionCallback.onPerformScaleAction(displayId, scale);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Failed to inform performing scale action", e);
+            }
+        }
+    }
+}