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/*
* Copyright (C) 2011 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promo te products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef PageSerializer_h
#define PageSerializer_h
#include "platform/heap/Handle.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/KURLHash.h"
#include "wtf/HashMap.h"
#include "wtf/ListHashSet.h"
#include "wtf/Vector.h"
namespace blink {
class FontResource;
class ImageResource;
class CSSStyleSheet;
class CSSValue;
class Document;
class LocalFrame;
class Page;
class RenderObject;
class Resource;
class SharedBuffer;
class StylePropertySet;
struct SerializedResource;
// This class is used to serialize a page contents back to text (typically HTML).
// It serializes all the page frames and retrieves resources such as images and CSS stylesheets.
class PageSerializer final {
STACK_ALLOCATED();
public:
explicit PageSerializer(Vector<SerializedResource>*);
// Initiates the serialization of the frame's page. All serialized content and retrieved
// resources are added to the Vector passed to the constructor. The first resource in that
// vector is the top frame serialized content.
void serialize(Page*);
KURL urlForBlankFrame(LocalFrame*);
private:
void serializeFrame(LocalFrame*);
// Serializes the stylesheet back to text and adds it to the resources if URL is not-empty.
// It also adds any resources included in that stylesheet (including any imported stylesheets and their own resources).
void serializeCSSStyleSheet(CSSStyleSheet&, const KURL&);
bool shouldAddURL(const KURL&);
void addToResources(Resource *, PassRefPtr<SharedBuffer>, const KURL&);
void addImageToResources(ImageResource*, RenderObject*, const KURL&);
void addFontToResources(FontResource*);
void retrieveResourcesForProperties(const StylePropertySet*, Document&);
void retrieveResourcesForCSSValue(CSSValue*, Document&);
Vector<SerializedResource>* m_resources;
ListHashSet<KURL> m_resourceURLs;
using BlankFrameURLMap = WillBeHeapHashMap<RawPtrWillBeMember<LocalFrame>, KURL>;
BlankFrameURLMap m_blankFrameURLs;
unsigned m_blankFrameCounter;
};
} // namespace blink
#endif // PageSerializer_h
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