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// Copyright 2025 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/browser/renderer_host/begin_frame_source_ios.h"
#include "base/functional/callback_helpers.h"
namespace content {
////////////////////////////////////////////////////////////////////////////////
// BeginFrameSourceIOS
BeginFrameSourceIOS::BeginFrameSourceIOS(ui::Compositor* compositor)
: compositor_(compositor),
begin_frame_source_(viz::BackToBackBeginFrameSource::kNotRestartableId) {
DCHECK(compositor_);
compositor_->SetExternalBeginFrameControllerClientFactory(this);
}
BeginFrameSourceIOS::~BeginFrameSourceIOS() {
SetNeedsBeginFrame(false);
}
void BeginFrameSourceIOS::OnBeginFrame(const viz::BeginFrameArgs& args) {
last_used_begin_frame_args_ = args;
compositor_->IssueExternalBeginFrameNoAck(args);
}
const viz::BeginFrameArgs& BeginFrameSourceIOS::LastUsedBeginFrameArgs() const {
return last_used_begin_frame_args_;
}
void BeginFrameSourceIOS::OnBeginFrameSourcePausedChanged(bool paused) {}
bool BeginFrameSourceIOS::WantsAnimateOnlyBeginFrames() const {
return false;
}
bool BeginFrameSourceIOS::IsRoot() const {
return true;
}
mojo::PendingAssociatedRemote<viz::mojom::ExternalBeginFrameControllerClient>
BeginFrameSourceIOS::CreateExternalBeginFrameControllerClient() {
mojo::PendingAssociatedRemote<viz::mojom::ExternalBeginFrameControllerClient>
remote;
receivers_.Add(this, remote.InitWithNewEndpointAndPassReceiver());
return remote;
}
void BeginFrameSourceIOS::SetNeedsBeginFrame(bool needs_begin_frames) {
if (needs_begin_frames == observing_begin_frame_source_) {
return;
}
observing_begin_frame_source_ = needs_begin_frames;
if (needs_begin_frames) {
begin_frame_source_.AddObserver(this);
} else {
begin_frame_source_.RemoveObserver(this);
}
}
void BeginFrameSourceIOS::SetPreferredInterval(base::TimeDelta interval) {
begin_frame_source_.SetPreferredInterval(interval);
}
} // namespace content
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