chromium/content/browser/renderer_host/render_frame_metadata_provider_impl.cc

// Copyright 2018 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/render_frame_metadata_provider_impl.h"

#include "base/auto_reset.h"
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/observer_list.h"
#include "base/task/single_thread_task_runner.h"
#include "build/build_config.h"
#include "content/browser/renderer_host/frame_token_message_queue.h"

namespace content {

RenderFrameMetadataProviderImpl::RenderFrameMetadataProviderImpl(
    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
    FrameTokenMessageQueue* frame_token_message_queue)
    : … { … }

RenderFrameMetadataProviderImpl::~RenderFrameMetadataProviderImpl() = default;

void RenderFrameMetadataProviderImpl::AddObserver(Observer* observer) { … }

void RenderFrameMetadataProviderImpl::RemoveObserver(Observer* observer) { … }

void RenderFrameMetadataProviderImpl::Bind(
    mojo::PendingReceiver<cc::mojom::RenderFrameMetadataObserverClient>
        client_receiver,
    mojo::PendingRemote<cc::mojom::RenderFrameMetadataObserver> observer) { … }

#if BUILDFLAG(IS_ANDROID)
void RenderFrameMetadataProviderImpl::UpdateRootScrollOffsetUpdateFrequency(
    cc::mojom::RootScrollOffsetUpdateFrequency frequency) {
  if (!render_frame_metadata_observer_remote_) {
    pending_root_scroll_offset_update_frequency_ = frequency;
    return;
  }

  render_frame_metadata_observer_remote_->UpdateRootScrollOffsetUpdateFrequency(
      frequency);
}
#endif

void RenderFrameMetadataProviderImpl::ReportAllFrameSubmissionsForTesting(
    bool enabled) { … }

const cc::RenderFrameMetadata&
RenderFrameMetadataProviderImpl::LastRenderFrameMetadata() { … }

void RenderFrameMetadataProviderImpl::
    OnRenderFrameMetadataChangedAfterActivation(
        cc::RenderFrameMetadata metadata,
        base::TimeTicks activation_time) { … }

void RenderFrameMetadataProviderImpl::OnFrameTokenFrameSubmissionForTesting(
    base::TimeTicks activation_time) { … }

void RenderFrameMetadataProviderImpl::SetLastRenderFrameMetadataForTest(
    cc::RenderFrameMetadata metadata) { … }

void RenderFrameMetadataProviderImpl::OnRenderFrameMetadataChanged(
    uint32_t frame_token,
    const cc::RenderFrameMetadata& metadata) { … }

void RenderFrameMetadataProviderImpl::OnFrameSubmissionForTesting(
    uint32_t frame_token) { … }

#if BUILDFLAG(IS_ANDROID)
void RenderFrameMetadataProviderImpl::OnRootScrollOffsetChanged(
    const gfx::PointF& root_scroll_offset) {
  for (Observer& observer : observers_)
    observer.OnRootScrollOffsetChanged(root_scroll_offset);
}
#endif

}  // namespace content