File: frame_sink_provider_impl.cc

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// Copyright 2017 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.
#include "content/browser/renderer_host/frame_sink_provider_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"

namespace content {

FrameSinkProviderImpl::FrameSinkProviderImpl(int32_t process_id)
    : process_id_(process_id), binding_(this) {}

FrameSinkProviderImpl::~FrameSinkProviderImpl() = default;

void FrameSinkProviderImpl::Bind(mojom::FrameSinkProviderRequest request) {
  if (binding_.is_bound()) {
    DLOG(ERROR) << "Received multiple requests for FrameSinkProvider. "
                << "There should be only one instance per renderer.";
    return;
  }
  binding_.Bind(std::move(request));
}

void FrameSinkProviderImpl::Unbind() {
  binding_.Close();
}

void FrameSinkProviderImpl::CreateForWidget(
    int32_t widget_id,
    viz::mojom::CompositorFrameSinkRequest compositor_frame_sink_request,
    viz::mojom::CompositorFrameSinkClientPtr compositor_frame_sink_client) {
  RenderWidgetHostImpl* render_widget_host_impl =
      RenderWidgetHostImpl::FromID(process_id_, widget_id);
  if (!render_widget_host_impl) {
    DLOG(ERROR) << "No RenderWidgetHost exists with id " << widget_id
                << " in process " << process_id_;
    return;
  }
  render_widget_host_impl->RequestCompositorFrameSink(
      std::move(compositor_frame_sink_request),
      std::move(compositor_frame_sink_client));
}

void FrameSinkProviderImpl::RegisterRenderFrameMetadataObserver(
    int32_t widget_id,
    mojom::RenderFrameMetadataObserverClientRequest
        render_frame_metadata_observer_client_request,
    mojom::RenderFrameMetadataObserverPtr render_frame_metadata_observer) {
  RenderWidgetHostImpl* render_widget_host_impl =
      RenderWidgetHostImpl::FromID(process_id_, widget_id);
  if (!render_widget_host_impl) {
    DLOG(ERROR) << "No RenderWidgetHost exists with id " << widget_id
                << " in process " << process_id_;
    return;
  }
  render_widget_host_impl->RegisterRenderFrameMetadataObserver(
      std::move(render_frame_metadata_observer_client_request),
      std::move(render_frame_metadata_observer));
}

}  // namespace content