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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_INSPECTOR_INSPECTOR_LAYER_TREE_AGENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_INSPECTOR_INSPECTOR_LAYER_TREE_AGENT_H_
#include "base/macros.h"
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/inspector/inspector_base_agent.h"
#include "third_party/blink/renderer/core/inspector/protocol/LayerTree.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace cc {
class Layer;
}
namespace blink {
class InspectedFrames;
class PictureSnapshot;
class CORE_EXPORT InspectorLayerTreeAgent final
: public InspectorBaseAgent<protocol::LayerTree::Metainfo> {
public:
class Client {
public:
virtual ~Client() = default;
virtual bool IsInspectorLayer(const cc::Layer*) = 0;
};
InspectorLayerTreeAgent(InspectedFrames*, Client*);
~InspectorLayerTreeAgent() override;
void Trace(Visitor*) override;
void Restore() override;
// Called from InspectorInstrumentation
void LayerTreeDidChange();
void LayerTreePainted();
// Called from the front-end.
protocol::Response enable() override;
protocol::Response disable() override;
protocol::Response compositingReasons(
const String& layer_id,
std::unique_ptr<protocol::Array<String>>* compositing_reasons,
std::unique_ptr<protocol::Array<String>>* compositing_reason_ids)
override;
protocol::Response makeSnapshot(const String& layer_id,
String* snapshot_id) override;
protocol::Response loadSnapshot(
std::unique_ptr<protocol::Array<protocol::LayerTree::PictureTile>> tiles,
String* snapshot_id) override;
protocol::Response releaseSnapshot(const String& snapshot_id) override;
protocol::Response profileSnapshot(
const String& snapshot_id,
protocol::Maybe<int> min_repeat_count,
protocol::Maybe<double> min_duration,
protocol::Maybe<protocol::DOM::Rect> clip_rect,
std::unique_ptr<protocol::Array<protocol::Array<double>>>* timings)
override;
protocol::Response replaySnapshot(const String& snapshot_id,
protocol::Maybe<int> from_step,
protocol::Maybe<int> to_step,
protocol::Maybe<double> scale,
String* data_url) override;
protocol::Response snapshotCommandLog(
const String& snapshot_id,
std::unique_ptr<protocol::Array<protocol::DictionaryValue>>* command_log)
override;
// Called by other agents.
std::unique_ptr<protocol::Array<protocol::LayerTree::Layer>> BuildLayerTree();
private:
static unsigned last_snapshot_id_;
const cc::Layer* RootLayer();
protocol::Response LayerById(const String& layer_id, const cc::Layer*&);
protocol::Response GetSnapshotById(const String& snapshot_id,
const PictureSnapshot*&);
void GatherLayers(
const cc::Layer*,
std::unique_ptr<protocol::Array<protocol::LayerTree::Layer>>&,
bool has_wheel_event_handlers,
int scrolling_root_layer_id);
Member<InspectedFrames> inspected_frames_;
Client* client_;
typedef HashMap<String, scoped_refptr<PictureSnapshot>> SnapshotById;
SnapshotById snapshot_by_id_;
bool suppress_layer_paint_events_;
DISALLOW_COPY_AND_ASSIGN(InspectorLayerTreeAgent);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_INSPECTOR_INSPECTOR_LAYER_TREE_AGENT_H_
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