DO NOT COMMIT - DialogSurface initial implementation.

media/base/android/dialog_surface_manager.h

Index: media/base/android/dialog_surface_manager.h
diff --git a/media/base/android/dialog_surface_manager.h b/media/base/android/dialog_surface_manager.h
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index 0000000000000000000000000000000000000000..cbcc4395143d5a8cdd04c11c9e883f5a752af84e
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+++ b/media/base/android/dialog_surface_manager.h
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+// 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.
+
+#ifndef MEDIA_BASE_ANDROID_DIALOG_SURFACE_MANAGER_H_
+#define MEDIA_BASE_ANDROID_DIALOG_SURFACE_MANAGER_H_
+
+#include <jni.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <set>
+#include <string>
+
+#include "base/android/scoped_java_ref.h"
+#include "base/lazy_instance.h"
+#include "base/macros.h"
+#include "base/time/time.h"
+#include "media/base/android/dialog_surface_controller.h"
+#include "media/base/media_export.h"
+#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace media {
+
+/**
+ * This class implements the C++ wrapper around the java DialogSurfaceManager.
+ * Typical usage is:
+ *
+ * callback = something that is a DialogSurfaceController::Callback;
+ * controller = DialogSurfaceManager::GetPointer()->CreateSurface(callback);
+ * (wait for callback)
+ * controller->GetSurface()
+ * if (i_want_to_change_the_layout_)
+ *   controller->ScheduleLayout(new_position_and_size);
+ *
+ */
+class MEDIA_EXPORT DialogSurfaceManager {
+ public:
+  static DialogSurfaceManager* GetPointer();
+
+  using Config = DialogSurfaceController::Config;
+
+  std::unique_ptr<DialogSurfaceController> CreateSurface(
+      const Config&,
+      const DialogSurfaceController::Callback&);
+
+  static bool RegisterDialogSurfaceManager(JNIEnv* env);
+
+ protected:
+  DialogSurfaceManager();
+  ~DialogSurfaceManager();
+
+ private:
+  friend struct base::DefaultLazyInstanceTraits<DialogSurfaceManager>;
+
+  // Java DialogSurfaceManagerWrapper instance.
+  base::android::ScopedJavaGlobalRef<jobject> j_wrapped_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(DialogSurfaceManager);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_ANDROID_DIALOG_SURFACE_MANAGER_H_