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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
#define CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
#include <stdint.h>
#include "base/functional/callback.h"
#include "base/memory/singleton.h"
#include "base/process/process.h"
#include "content/public/common/mhtml_generation_params.h"
namespace content {
class WebContents;
// The class and all of its members live on the UI thread. Only static methods
// are executed on other threads.
//
// MHTMLGenerationManager is a singleton. Each call to SaveMHTML method creates
// a new instance of MHTMLGenerationManager::Job that continues with the MHTML
// serialization process on its own, eventually deleting itself.
class MHTMLGenerationManager {
public:
static MHTMLGenerationManager* GetInstance();
MHTMLGenerationManager(const MHTMLGenerationManager&) = delete;
MHTMLGenerationManager& operator=(const MHTMLGenerationManager&) = delete;
using GenerateMHTMLCallback = base::OnceCallback<void(int64_t)>;
// Instructs the RenderFrames in |web_contents| to generate a MHTML
// representation of the current page.
void SaveMHTML(WebContents* web_contents,
const MHTMLGenerationParams& params,
GenerateMHTMLCallback callback);
private:
friend struct base::DefaultSingletonTraits<MHTMLGenerationManager>;
class Job;
MHTMLGenerationManager();
virtual ~MHTMLGenerationManager();
};
} // namespace content
#endif // CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
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