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/*
* Copyright (C) 2017 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 "CallTracerTypes.h"
#include "HTMLCanvasElement.h"
#include "InspectorCanvas.h"
#include "InspectorWebAgentBase.h"
#include "Timer.h"
#include <inspector/InspectorBackendDispatchers.h>
#include <inspector/InspectorFrontendDispatchers.h>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
#if ENABLE(WEBGL)
#include "InspectorShaderProgram.h"
#endif
namespace Inspector {
class InjectedScriptManager;
}
namespace WebCore {
class CanvasRenderingContext;
#if ENABLE(WEBGL)
class WebGLProgram;
class WebGLRenderingContextBase;
#endif
typedef String ErrorString;
class InspectorCanvasAgent final : public InspectorAgentBase, public CanvasObserver, public Inspector::CanvasBackendDispatcherHandler {
WTF_MAKE_NONCOPYABLE(InspectorCanvasAgent);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit InspectorCanvasAgent(WebAgentContext&);
virtual ~InspectorCanvasAgent() { }
void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*) override;
void willDestroyFrontendAndBackend(Inspector::DisconnectReason) override;
void discardAgent() override;
// CanvasBackendDispatcherHandler
void enable(ErrorString&) override;
void disable(ErrorString&) override;
void requestNode(ErrorString&, const String& canvasId, int* nodeId) override;
void requestContent(ErrorString&, const String& canvasId, String* content) override;
void requestCSSCanvasClientNodes(ErrorString&, const String& canvasId, RefPtr<Inspector::Protocol::Array<int>>&) override;
void resolveCanvasContext(ErrorString&, const String& canvasId, const String* const objectGroup, RefPtr<Inspector::Protocol::Runtime::RemoteObject>&) override;
void requestRecording(ErrorString&, const String& canvasId, const bool* const singleFrame, const int* const memoryLimit) override;
void cancelRecording(ErrorString&, const String& canvasId) override;
void requestShaderSource(ErrorString&, const String& programId, const String& shaderType, String*) override;
void updateShader(ErrorString&, const String& programId, const String& shaderType, const String& source) override;
// InspectorInstrumentation
void frameNavigated(Frame&);
void didCreateCSSCanvas(HTMLCanvasElement&, const String&);
void didChangeCSSCanvasClientNodes(HTMLCanvasElement&);
void didCreateCanvasRenderingContext(HTMLCanvasElement&);
void didChangeCanvasMemory(HTMLCanvasElement&);
void recordCanvasAction(CanvasRenderingContext&, const String&, Vector<RecordCanvasActionVariant>&& = { });
void didFinishRecordingCanvasFrame(HTMLCanvasElement&, bool forceDispatch = false);
#if ENABLE(WEBGL)
void didCreateProgram(WebGLRenderingContextBase&, WebGLProgram&);
void willDeleteProgram(WebGLProgram&);
#endif
// CanvasObserver
void canvasChanged(HTMLCanvasElement&, const FloatRect&) override { }
void canvasResized(HTMLCanvasElement&) override { }
void canvasDestroyed(HTMLCanvasElement&) override;
private:
void canvasDestroyedTimerFired();
void canvasRecordingTimerFired();
void clearCanvasData();
String unbindCanvas(InspectorCanvas&);
InspectorCanvas* assertInspectorCanvas(ErrorString&, const String& identifier);
InspectorCanvas* findInspectorCanvas(HTMLCanvasElement&);
#if ENABLE(WEBGL)
String unbindProgram(InspectorShaderProgram&);
InspectorShaderProgram* assertInspectorProgram(ErrorString&, const String& identifier);
InspectorShaderProgram* findInspectorProgram(WebGLProgram&);
HashMap<String, RefPtr<InspectorShaderProgram>> m_identifierToInspectorProgram;
#endif
std::unique_ptr<Inspector::CanvasFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::CanvasBackendDispatcher> m_backendDispatcher;
Inspector::InjectedScriptManager& m_injectedScriptManager;
HashMap<String, RefPtr<InspectorCanvas>> m_identifierToInspectorCanvas;
HashMap<HTMLCanvasElement*, String> m_canvasToCSSCanvasName;
Vector<String> m_removedCanvasIdentifiers;
Timer m_canvasDestroyedTimer;
Timer m_canvasRecordingTimer;
bool m_enabled { false };
};
} // namespace WebCore
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