layer_tree_host.h | Explore in Territory

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#ifndef CC_TREES_LAYER_TREE_HOST_H_
#define CC_TREES_LAYER_TREE_HOST_H_

#include <stddef.h>
#include <stdint.h>

#include <limits>
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

#include "base/cancelable_callback.h"
#include "base/containers/flat_map.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "base/types/optional_ref.h"
#include "cc/base/completion_event.h"
#include "cc/benchmarks/micro_benchmark.h"
#include "cc/benchmarks/micro_benchmark_controller.h"
#include "cc/cc_export.h"
#include "cc/input/browser_controls_offset_tags_info.h"
#include "cc/input/browser_controls_state.h"
#include "cc/input/compositor_input_interfaces.h"
#include "cc/input/event_listener_properties.h"
#include "cc/input/input_handler.h"
#include "cc/input/layer_selection_bound.h"
#include "cc/input/scrollbar.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_collections.h"
#include "cc/layers/layer_list_iterator.h"
#include "cc/metrics/begin_main_frame_metrics.h"
#include "cc/metrics/events_metrics_manager.h"
#include "cc/metrics/frame_sequence_tracker.h"
#include "cc/metrics/web_vital_metrics.h"
#include "cc/paint/node_id.h"
#include "cc/resources/ui_resource_request.h"
#include "cc/trees/browser_controls_params.h"
#include "cc/trees/commit_state.h"
#include "cc/trees/compositor_mode.h"
#include "cc/trees/layer_tree_frame_sink.h"
#include "cc/trees/layer_tree_host_client.h"
#include "cc/trees/layer_tree_settings.h"
#include "cc/trees/mutator_host.h"
#include "cc/trees/paint_holding_reason.h"
#include "cc/trees/presentation_time_callback_buffer.h"
#include "cc/trees/proxy.h"
#include "cc/trees/swap_promise.h"
#include "cc/trees/swap_promise_manager.h"
#include "cc/trees/target_property.h"
#include "cc/trees/viewport_layers.h"
#include "cc/trees/viewport_property_ids.h"
#include "components/viz/common/surfaces/local_surface_id.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "ui/gfx/delegated_ink_metadata.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/overlay_transform.h"

namespace cc {

class ViewTransitionRequest;
class HeadsUpDisplayLayer;
class LayerTreeHostImpl;
class LayerTreeHostImplClient;
class LayerTreeHostSingleThreadClient;
class LayerTreeMutator;
class MutatorEvents;
class MutatorHost;
class PaintWorkletLayerPainter;
class RasterDarkModeFilter;
class RenderFrameMetadataObserver;
class RenderingStatsInstrumentation;
class TaskGraphRunner;
class UIResourceManager;
class UkmRecorderFactory;

struct CommitState;
struct CompositorCommitData;
struct OverscrollBehavior;
struct RenderingStats;

// Returned from LayerTreeHost::DeferMainFrameUpdate. Automatically un-defers on
// destruction.
class CC_EXPORT ScopedDeferMainFrameUpdate { … };

// Returned from LayerTreeHost::PauseRendering. Automatically un-pauses on
// destruction.
class CC_EXPORT ScopedPauseRendering { … };

class CC_EXPORT LayerTreeHost : public MutatorHostClient { … };

}  // namespace cc

#endif  // CC_TREES_LAYER_TREE_HOST_H_
chromium/cc/trees/layer_tree_host.h
