147 lines
3.8 KiB
C++
147 lines
3.8 KiB
C++
/*
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* Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <JavaScriptCore/JSRetainPtr.h>
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#include <JavaScriptCore/JSBase.h>
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class WorkQueueItem {
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public:
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virtual ~WorkQueueItem() { }
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virtual bool invoke() const = 0; // Returns true if this started a load.
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};
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class LoadItem : public WorkQueueItem {
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public:
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LoadItem(const JSStringRef url, const JSStringRef target)
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: m_url(url)
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, m_target(target)
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{
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}
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private:
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virtual bool invoke() const;
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JSRetainPtr<JSStringRef> m_url;
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JSRetainPtr<JSStringRef> m_target;
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};
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class LoadHTMLStringItem : public WorkQueueItem {
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public:
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LoadHTMLStringItem(const JSStringRef content, const JSStringRef baseURL)
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: m_content(content)
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, m_baseURL(baseURL)
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{
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}
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LoadHTMLStringItem(const JSStringRef content, const JSStringRef baseURL, const JSStringRef unreachableURL)
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: m_content(content)
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, m_baseURL(baseURL)
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, m_unreachableURL(unreachableURL)
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{
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}
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private:
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virtual bool invoke() const;
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JSRetainPtr<JSStringRef> m_content;
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JSRetainPtr<JSStringRef> m_baseURL;
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JSRetainPtr<JSStringRef> m_unreachableURL;
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};
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class ReloadItem : public WorkQueueItem {
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private:
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virtual bool invoke() const;
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};
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class ScriptItem : public WorkQueueItem {
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protected:
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ScriptItem(const JSStringRef script)
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: m_script(script)
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{
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}
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protected:
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virtual bool invoke() const;
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private:
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JSRetainPtr<JSStringRef> m_script;
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};
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class LoadingScriptItem : public ScriptItem {
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public:
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LoadingScriptItem(const JSStringRef script)
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: ScriptItem(script)
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{
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}
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private:
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virtual bool invoke() const { return ScriptItem::invoke(); }
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};
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class NonLoadingScriptItem : public ScriptItem {
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public:
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NonLoadingScriptItem(const JSStringRef script)
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: ScriptItem(script)
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{
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}
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private:
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virtual bool invoke() const { ScriptItem::invoke(); return false; }
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};
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class BackForwardItem : public WorkQueueItem {
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protected:
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BackForwardItem(int howFar)
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: m_howFar(howFar)
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{
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}
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private:
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virtual bool invoke() const;
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int m_howFar;
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};
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class BackItem : public BackForwardItem {
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public:
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BackItem(int howFar)
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: BackForwardItem(-howFar)
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{
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}
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};
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class ForwardItem : public BackForwardItem {
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public:
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ForwardItem(int howFar)
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: BackForwardItem(howFar)
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{
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}
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};
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