Index: public/platform/WebPresentationController.h |
diff --git a/public/platform/WebPresentationController.h b/public/platform/WebPresentationController.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..abfc9c012884c28d38c0c4967d85d1beed943874 |
--- /dev/null |
+++ b/public/platform/WebPresentationController.h |
@@ -0,0 +1,28 @@ |
+// Copyright 2015 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. |
+ |
+#ifndef WebPresentationController_h |
+#define WebPresentationController_h |
+ |
+namespace blink { |
+ |
+// The delegate Blink provides to WebPresentationClient in order to get updates. |
+class WebPresentationController { |
+public: |
+ virtual ~WebPresentationController() { } |
+ |
+ // Called when the presentation screen availability changes. |
+ // May not be called if there's no registered listener for the event. |
+ virtual void didChangeAvailability(bool available) = 0; |
+ |
+ // Indicates if the frame has listeners to the |availablechange| event. |
+ virtual bool isAvailableChangeWatched() const = 0; |
+ |
+ // Called when the corresponding WebPresentationClient is destroyed. |
+ virtual void onClientDestroyed() = 0; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // WebPresentationController_h |