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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SAVABLE_RESOURCES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SAVABLE_RESOURCES_H_
#include "third_party/blink/public/mojom/frame/frame.mojom-blink.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class Element;
class LocalFrame;
class SavableResources {
STATIC_ONLY(SavableResources);
public:
// Class for storage the result of getting all savable resource links
// for current page. The consumer of the SavableResources::Result is
// responsible for keeping these pointers valid for the lifetime of the
// SavableResources::Result instance.
class Result {
STACK_ALLOCATED();
public:
Result(Vector<KURL>* resources_list,
Vector<mojom::blink::SavableSubframePtr>* subframes)
: resources_list_(resources_list), subframes_(subframes) {}
void AppendSubframe(mojom::blink::SavableSubframePtr subframe);
void AppendResourceLink(const KURL& url);
private:
// Links of all savable resources.
Vector<KURL>* resources_list_;
// Subframes.
Vector<mojom::blink::SavableSubframePtr>* subframes_;
};
// Get all the savable resource links from the specified |frame|.
// Returns true if the saved resources links have been saved successfully.
// Otherwise returns false (i.e. if the frame contains a non-savable content).
static bool GetSavableResourceLinksForFrame(LocalFrame* frame,
SavableResources::Result* result);
// Returns the value in an elements resource url attribute. For IMG, SCRIPT or
// INPUT TYPE=image, returns the value in "src". For LINK TYPE=text/css,
// returns the value in "href". For BODY, TABLE, TR, TD, returns the value in
// "background". For BLOCKQUOTE, Q, DEL, INS, returns the value in "cite"
// attribute. Otherwise returns an empty String.
static String GetSubResourceLinkFromElement(Element* element);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_SAVABLE_RESOURCES_H_
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