blob: d7b159165da7e753a542f7842e9805a054f237ff (
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
62
63
64
65
66
67
68
69
70
|
// 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_RENDERER_RENDER_FRAME_METADATA_OBSERVER_IMPL_H_
#define CONTENT_RENDERER_RENDER_FRAME_METADATA_OBSERVER_IMPL_H_
#include "cc/trees/render_frame_metadata.h"
#include "cc/trees/render_frame_metadata_observer.h"
#include "content/common/render_frame_metadata.mojom.h"
#include "mojo/public/cpp/bindings/binding.h"
namespace cc {
class FrameTokenAllocator;
} // namespace cc
namespace content {
// Implementation of cc::RenderFrameMetadataObserver which exists in the
// renderer an observers frame submission. It then notifies the
// mojom::RenderFrameMetadataObserverClient, which is expected to be in the
// browser process, of the metadata associated with the frame.
//
// BindToCurrentThread should be called from the Compositor thread so that the
// Mojo pipe is properly bound.
//
// Subsequent usage should only be from the Compositor thread.
class RenderFrameMetadataObserverImpl
: public cc::RenderFrameMetadataObserver,
public mojom::RenderFrameMetadataObserver {
public:
RenderFrameMetadataObserverImpl(
mojom::RenderFrameMetadataObserverRequest request,
mojom::RenderFrameMetadataObserverClientPtrInfo client_info);
~RenderFrameMetadataObserverImpl() override;
// cc::RenderFrameMetadataObserver:
void BindToCurrentThread(
cc::FrameTokenAllocator* frame_token_allocator) override;
void OnRenderFrameSubmission(cc::RenderFrameMetadata metadata) override;
// mojom::RenderFrameMetadataObserver:
void ReportAllFrameSubmissionsForTesting(bool enabled) override;
private:
// When true this will notifiy |render_frame_metadata_observer_client_| of all
// frame submissions.
bool report_all_frame_submissions_for_testing_enabled_ = false;
uint32_t last_frame_token_ = 0;
base::Optional<cc::RenderFrameMetadata> last_render_frame_metadata_;
// Not owned.
cc::FrameTokenAllocator* frame_token_allocator_ = nullptr;
// These are destroyed when BindToCurrentThread() is called.
mojom::RenderFrameMetadataObserverRequest request_;
mojom::RenderFrameMetadataObserverClientPtrInfo client_info_;
mojo::Binding<mojom::RenderFrameMetadataObserver>
render_frame_metadata_observer_binding_;
mojom::RenderFrameMetadataObserverClientPtr
render_frame_metadata_observer_client_;
DISALLOW_COPY_AND_ASSIGN(RenderFrameMetadataObserverImpl);
};
} // namespace content
#endif // CONTENT_RENDERER_RENDER_FRAME_METADATA_OBSERVER_IMPL_H_
|
