android: Introduce DisplayAndroid

ui/android/java/src/org/chromium/ui/base/WindowAndroid.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.ui.base;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
@@ skipping 12 matching lines @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityManager;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.Callback;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.ui.VSyncMonitor;
+import org.chromium.ui.display.DisplayAndroid;
 import org.chromium.ui.widget.Toast;
 
 import java.lang.ref.WeakReference;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
 
 /**
  * The window base class that has the minimum functionality.
  */
@@ skipping 21 matching lines @@
 
         void destroy() {
             mAccessibilityManager.removeTouchExplorationStateChangeListener(
                     mTouchExplorationListener);
         }
     }
 
     // Native pointer to the c++ WindowAndroid object.
     private long mNativeWindowAndroid = 0;
     private final VSyncMonitor mVSyncMonitor;
+    private final DisplayAndroid mDisplayAndroid;
 
     // A string used as a key to store intent errors in a bundle
     static final String WINDOW_CALLBACK_ERRORS = "window_callback_errors";
 
     // Error code returned when an Intent fails to start an Activity.
     public static final int START_INTENT_FAILURE = -1;
 
     protected Context mApplicationContext;
     protected SparseArray<IntentCallback> mOutstandingIntents;
     // We use a weak reference here to prevent this from leaking in WebView.
@@ skipping 84 matching lines @@
     public WindowAndroid(Context context) {
         mApplicationContext = context.getApplicationContext();
         // context does not have the same lifetime guarantees as an application context so we can't
         // hold a strong reference to it.
         mContextRef = new WeakReference<Context>(context);
         mOutstandingIntents = new SparseArray<IntentCallback>();
         mIntentErrors = new HashMap<Integer, String>();
         mVSyncMonitor = new VSyncMonitor(context, mVSyncListener);
         mAccessibilityManager = (AccessibilityManager) mApplicationContext.getSystemService(
                 Context.ACCESSIBILITY_SERVICE);
+        mDisplayAndroid = DisplayAndroid.get(context);
     }
 
     @CalledByNative
     private static WindowAndroid createForTesting(Context context) {
         return new WindowAndroid(context);
     }
 
     @CalledByNative
     private void clearNativePointer() {
         mNativeWindowAndroid = 0;
@@ skipping 197 matching lines @@
     }
 
     /**
      * Broadcasts the given intent to all interested BroadcastReceivers.
      */
     public void sendBroadcast(Intent intent) {
         mApplicationContext.sendBroadcast(intent);
     }
 
     /**
+     * @return DisplayAndroid instance belong to this window.
+     */
+    public DisplayAndroid getDisplay() {
+        return mDisplayAndroid;
+    }
+
+    /**
      * @return A reference to owning Activity.  The returned WeakReference will never be null, but
      *         the contained Activity can be null (either if it has been garbage collected or if
      *         this is in the context of a WebView that was not created using an Activity).
      */
     public WeakReference<Activity> getActivity() {
         return new WeakReference<Activity>(null);
     }
 
     /**
      * @return The application context for this activity.
@@ skipping 263 matching lines @@
     private native long nativeInit();
     private native void nativeOnVSync(long nativeWindowAndroid,
                                       long vsyncTimeMicros,
                                       long vsyncPeriodMicros);
     private native void nativeOnVisibilityChanged(long nativeWindowAndroid, boolean visible);
     private native void nativeOnActivityStopped(long nativeWindowAndroid);
     private native void nativeOnActivityStarted(long nativeWindowAndroid);
     private native void nativeDestroy(long nativeWindowAndroid);
 
 }