DialogSurfaceManager implementation.

content/public/android/java/src/org/chromium/content/browser/DialogSurfaceActivityMapper.java

+// Copyright 2016 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.content.browser;
+
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.view.ViewGroup;
+
+import org.chromium.base.Log;
+import org.chromium.base.UnguessableToken;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
+import org.chromium.media.IDialogSurfaceActivityMapper;
+import org.chromium.media.IDialogSurfaceHolder;
+import org.chromium.ui.base.WindowAndroid;
+
+/**
+ * Implementation of IDialogSurfaceActivityMapper.
+ * Provided by ChildProcessLauncher to DialogSurfaceManager.
+ */
+@JNINamespace("content")
+public class DialogSurfaceActivityMapper extends IDialogSurfaceActivityMapper.Stub {
+    private static final String TAG = "cr_DialogSurfaceAM";
+
+    @Override
+    public void postWindowToken(UnguessableToken frameToken, IDialogSurfaceHolder holder) {
+        nativeCallBackWithContentViewCore(frameToken, this, holder);
+    }
+
+    /**
+     * Receive a callback from native with a previously requested ContentViewCore.
+     */
+    @CalledByNative
+    private void onContentViewCore(IDialogSurfaceHolder holder, ContentViewCore cvc) {
+        IBinder token = null;
+
+        if (cvc != null) {
+            ViewGroup viewGroup = cvc.getContainerView();

[boliu, 2016/11/14 16:39:24]

not needed

[liberato (no reviews please), 2016/12/20 17:16:38]

Done.

+            WindowAndroid windowAndroid = cvc.getWindowAndroid();
+            if (windowAndroid != null) {
+                token = windowAndroid.getWindowToken();
+            }
+        }
+
+        try {
+            holder.onWindowToken(token);
+        } catch (RemoteException e) {
+            Log.d(TAG, "Unable to post window token to DialogSurfaceHolder", e);
+        }
+    }
+
+    // Look up the ContentViewCore for |frameToken|, and call back
+    // onContentViewCore with it and |holder|.  The callback will happen on the
+    // browser UI thread.
+    private static native void nativeCallBackWithContentViewCore(UnguessableToken frameToken,
+            DialogSurfaceActivityMapper mapper, IDialogSurfaceHolder holder);
+}