refactor: rename the atom directory to shell

shell/browser/api/frame_subscriber.h

@@ -0,0 +1,75 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
+#define ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_
+
+#include <memory>
+
+#include "base/callback.h"
+#include "base/memory/weak_ptr.h"
+#include "components/viz/host/client_frame_sink_video_capturer.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_observer.h"
+#include "v8/include/v8.h"
+
+namespace gfx {
+class Image;
+}
+
+namespace atom {
+
+namespace api {
+
+class WebContents;
+
+class FrameSubscriber : public content::WebContentsObserver,
+                        public viz::mojom::FrameSinkVideoConsumer {
+ public:
+  using FrameCaptureCallback =
+      base::RepeatingCallback<void(const gfx::Image&, const gfx::Rect&)>;
+
+  FrameSubscriber(content::WebContents* web_contents,
+                  const FrameCaptureCallback& callback,
+                  bool only_dirty);
+  ~FrameSubscriber() override;
+
+ private:
+  void AttachToHost(content::RenderWidgetHost* host);
+  void DetachFromHost();
+
+  void RenderViewCreated(content::RenderViewHost* host) override;
+  void RenderViewDeleted(content::RenderViewHost* host) override;
+  void RenderViewHostChanged(content::RenderViewHost* old_host,
+                             content::RenderViewHost* new_host) override;
+
+  // viz::mojom::FrameSinkVideoConsumer implementation.
+  void OnFrameCaptured(
+      base::ReadOnlySharedMemoryRegion data,
+      ::media::mojom::VideoFrameInfoPtr info,
+      const gfx::Rect& content_rect,
+      viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) override;
+  void OnStopped() override;
+
+  void Done(const gfx::Rect& damage, const SkBitmap& frame);
+
+  // Get the pixel size of render view.
+  gfx::Size GetRenderViewSize() const;
+
+  FrameCaptureCallback callback_;
+  bool only_dirty_;
+
+  content::RenderWidgetHost* host_;
+  std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer_;
+
+  base::WeakPtrFactory<FrameSubscriber> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(FrameSubscriber);
+};
+
+}  // namespace api
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_API_FRAME_SUBSCRIBER_H_