chromium/content/browser/renderer_host/delegated_frame_host.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
#define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_

#include <stdint.h>

#include <vector>

#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "components/viz/client/frame_evictor.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/common/frame_timing_details_map.h"
#include "components/viz/common/hit_test/hit_test_query.h"
#include "components/viz/host/host_frame_sink_client.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/browser/renderer_host/dip_util.h"
#include "content/common/content_export.h"
#include "services/viz/public/mojom/compositing/compositor_frame_sink.mojom.h"
#include "services/viz/public/mojom/hit_test/hit_test_region_list.mojom.h"
#include "third_party/blink/public/common/page/content_to_visible_time_reporter.h"
#include "third_party/blink/public/mojom/widget/record_content_to_visible_time_request.mojom-forward.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/compositor_observer.h"
#include "ui/compositor/layer.h"
#include "ui/events/event.h"
#include "ui/gfx/geometry/rect_conversions.h"

namespace content {

class DelegatedFrameHost;

// The DelegatedFrameHostClient is the interface from the DelegatedFrameHost,
// which manages delegated frames, and the ui::Compositor being used to
// display them.
class CONTENT_EXPORT DelegatedFrameHostClient { … };

// The DelegatedFrameHost is used to host all of the RenderWidgetHostView state
// and functionality that is associated with delegated frames being sent from
// the RenderWidget. The DelegatedFrameHost will push these changes through to
// the ui::Compositor associated with its DelegatedFrameHostClient.
class CONTENT_EXPORT DelegatedFrameHost
    : public ui::CompositorObserver,
      public viz::FrameEvictorClient,
      public viz::HostFrameSinkClient { … };

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_