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// Copyright 2019 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_COMPOSITOR_DEPENDENCIES_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_DEPENDENCIES_ANDROID_H_
#include "base/cancelable_callback.h"
#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/no_destructor.h"
#include "components/viz/common/surfaces/frame_sink_id_allocator.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/viz/privileged/mojom/compositing/frame_sink_manager.mojom.h"
namespace content {
class CompositorImpl;
class CONTENT_EXPORT CompositorDependenciesAndroid {
public:
static CompositorDependenciesAndroid& Get();
CompositorDependenciesAndroid(const CompositorDependenciesAndroid&) = delete;
CompositorDependenciesAndroid& operator=(
const CompositorDependenciesAndroid&) = delete;
viz::HostFrameSinkManager* host_frame_sink_manager() {
return &host_frame_sink_manager_;
}
viz::FrameSinkId AllocateFrameSinkId();
void TryEstablishVizConnectionIfNeeded();
void OnCompositorVisible(CompositorImpl* compositor);
void OnCompositorHidden(CompositorImpl* compositor);
void OnSynchronousCompositorVisible();
void OnSynchronousCompositorHidden();
void DoLowEndBackgroundCleanupForTesting() { DoLowEndBackgroundCleanup(); }
private:
friend class base::NoDestructor<CompositorDependenciesAndroid>;
static void ConnectVizFrameSinkManagerOnMainThread(
mojo::PendingReceiver<viz::mojom::FrameSinkManager> receiver,
mojo::PendingRemote<viz::mojom::FrameSinkManagerClient> client,
const viz::DebugRendererSettings& debug_renderer_settings);
CompositorDependenciesAndroid();
~CompositorDependenciesAndroid();
void CreateVizFrameSinkManager();
void EnqueueLowEndBackgroundCleanup();
void DoLowEndBackgroundCleanup();
void OnVisibilityChanged();
viz::HostFrameSinkManager host_frame_sink_manager_;
viz::FrameSinkIdAllocator frame_sink_id_allocator_;
// A task which runs cleanup tasks on low-end Android after a delay. Enqueued
// when we hide, canceled when we're shown.
base::CancelableOnceClosure low_end_background_cleanup_task_;
// A callback which connects to the viz service on the main thread.
base::OnceClosure pending_connect_viz_on_main_thread_;
// The set of visible CompositorImpls.
base::flat_set<raw_ptr<CompositorImpl, CtnExperimental>> visible_compositors_;
size_t visible_synchronous_compositors_ = 0u;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_DEPENDENCIES_ANDROID_H_
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