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/*
* Copyright (C) 2010 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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
* 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 "LoadableScript.h"
#include "LoadableScriptClient.h"
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/text/TextPosition.h>
namespace WebCore {
class CachedScript;
class PendingScriptClient;
class ScriptElement;
// A container for scripts which may be loaded and executed.
// This can hold LoadableScript and non external inline script.
class PendingScript final : public RefCounted<PendingScript>, public LoadableScriptClient {
public:
static Ref<PendingScript> create(ScriptElement&, LoadableScript&);
static Ref<PendingScript> create(ScriptElement&, TextPosition scriptStartPosition);
virtual ~PendingScript();
TextPosition startingPosition() const { return m_startingPosition; }
void setStartingPosition(const TextPosition& position) { m_startingPosition = position; }
bool watchingForLoad() const { return needsLoading() && m_client; }
ScriptElement& element() { return m_element.get(); }
const ScriptElement& element() const { return m_element.get(); }
LoadableScript* loadableScript() const;
bool needsLoading() const { return loadableScript(); }
bool isLoaded() const;
bool error() const;
void notifyFinished(LoadableScript&) override;
void setClient(PendingScriptClient&);
void clearClient();
private:
PendingScript(ScriptElement&, LoadableScript&);
PendingScript(ScriptElement&, TextPosition startingPosition);
void notifyClientFinished();
Ref<ScriptElement> m_element;
TextPosition m_startingPosition; // Only used for inline script tags.
RefPtr<LoadableScript> m_loadableScript;
PendingScriptClient* m_client { nullptr };
};
inline LoadableScript* PendingScript::loadableScript() const
{
return m_loadableScript.get();
}
}
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