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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2014 University of Washington.
* Copyright (C) 2015-2016 Apple 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
*/
#pragma once
#include "InspectorTimelineAgent.h"
namespace WebCore {
class Page;
class RunLoopObserver;
class PageTimelineAgent final : public InspectorTimelineAgent {
WTF_MAKE_NONCOPYABLE(PageTimelineAgent);
WTF_MAKE_TZONE_ALLOCATED(PageTimelineAgent);
public:
PageTimelineAgent(PageAgentContext&);
~PageTimelineAgent();
// TimelineBackendDispatcherHandler
Inspector::Protocol::ErrorStringOr<void> setAutoCaptureEnabled(bool) override;
// InspectorInstrumentation
void didInvalidateLayout();
void willLayout();
void didLayout(RenderObject&);
void willComposite();
void didComposite();
void willPaint();
void didPaint(RenderObject&, const LayoutRect&);
void willRecalculateStyle();
void didRecalculateStyle();
void didScheduleStyleRecalculation();
void mainFrameStartedLoading();
void mainFrameNavigated();
void didCompleteRenderingFrame();
private:
bool enabled() const override;
void internalEnable() override;
void internalDisable() override;
bool tracking() const override;
void internalStart(std::optional<int>&& maxCallStackDepth) override;
void internalStop() override;
bool shouldStartHeapInstrument() const override;
void captureScreenshot();
WeakRef<Page> m_inspectedPage;
bool m_autoCaptureEnabled { false };
enum class AutoCapturePhase { None, BeforeLoad, FirstNavigation, AfterFirstNavigation };
AutoCapturePhase m_autoCapturePhase { AutoCapturePhase::None };
#if PLATFORM(COCOA)
std::unique_ptr<WebCore::RunLoopObserver> m_frameStartObserver;
std::unique_ptr<WebCore::RunLoopObserver> m_frameStopObserver;
int m_runLoopNestingLevel { 0 };
#elif USE(GLIB_EVENT_LOOP)
std::unique_ptr<RunLoop::Observer> m_runLoopObserver;
#endif
bool m_startedComposite { false };
bool m_isCapturingScreenshot { false };
};
} // namespace WebCore
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