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
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/frame_rate_throttling.h"
#include <vector>
#include "components/viz/common/surfaces/frame_sink_id.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/browser/compositor/surface_utils.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_widget_host.h"
namespace content {
CONTENT_EXPORT void StartThrottlingAllFrameSinks(base::TimeDelta interval) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
GetHostFrameSinkManager()->StartThrottlingAllFrameSinks(interval);
}
CONTENT_EXPORT void StopThrottlingAllFrameSinks() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
GetHostFrameSinkManager()->StopThrottlingAllFrameSinks();
}
CONTENT_EXPORT void UpdateThrottlingFrameSinks(
const std::set<GlobalRenderFrameHostId>& throttle_frames,
base::TimeDelta interval) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// viz::HostFrameSinkManager is not available in some unittest.
if (!GetHostFrameSinkManager()) {
return;
}
std::set<viz::FrameSinkId> sink_ids;
for (const GlobalRenderFrameHostId& frame_id : throttle_frames) {
// If frame is deleted, RenderFrameHost no longer exists.
auto* rfh = content::RenderFrameHost::FromID(frame_id);
auto* rwh = rfh ? rfh->GetRenderWidgetHost() : nullptr;
auto sink_id = rwh ? rwh->GetFrameSinkId() : viz::FrameSinkId();
if (sink_id.is_valid()) {
sink_ids.insert(std::move(sink_id));
}
}
std::vector<viz::FrameSinkId> sink_ids_vector(sink_ids.begin(),
sink_ids.end());
GetHostFrameSinkManager()->Throttle(sink_ids_vector, interval);
}
} // namespace content
|
