blob: df57442bc41ac4eeecaab184ae1c7f833c50da48 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2018 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_FRAME_METADATA_PROVIDER_IMPL_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_FRAME_METADATA_PROVIDER_IMPL_H_
#include "base/macros.h"
#include "base/observer_list.h"
#include "content/common/render_frame_metadata.mojom.h"
#include "content/public/browser/render_frame_metadata_provider.h"
#include "mojo/public/cpp/bindings/binding.h"
namespace content {
// Observes RenderFrameMetadata associated with the submission of a frame for a
// given RenderWidgetHost. The renderer will notify this when sumitting a
// CompositorFrame.
//
// When ReportAllFrameSubmissionsForTesting(true) is called, this will be
// notified of all frame submissions.
//
// All RenderFrameMetadataProvider::Observer will be notified.
class RenderFrameMetadataProviderImpl
: public RenderFrameMetadataProvider,
public mojom::RenderFrameMetadataObserverClient {
public:
RenderFrameMetadataProviderImpl(
mojom::RenderFrameMetadataObserverClientRequest client_request,
mojom::RenderFrameMetadataObserverPtr observer);
~RenderFrameMetadataProviderImpl() override;
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
// Notifies the renderer to begin sending a notification on all frame
// submissions.
void ReportAllFrameSubmissionsForTesting(bool enabled) override;
const cc::RenderFrameMetadata& LastRenderFrameMetadata() const override;
private:
// mojom::RenderFrameMetadataObserverClient:
void OnRenderFrameMetadataChanged(
const cc::RenderFrameMetadata& metadata) override;
void OnFrameSubmissionForTesting() override;
base::ObserverList<Observer> observers_;
cc::RenderFrameMetadata last_render_frame_metadata_;
mojo::Binding<mojom::RenderFrameMetadataObserverClient>
render_frame_metadata_observer_client_binding_;
mojom::RenderFrameMetadataObserverPtr render_frame_metadata_observer_ptr_;
DISALLOW_COPY_AND_ASSIGN(RenderFrameMetadataProviderImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_FRAME_METADATA_PROVIDER_IMPL_H_
|
