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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_
#define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_
#pragma once
#include <string>
#include <utility>
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
namespace base {
class SharedMemory;
}
class PrintPreviewUIHTMLSource : public ChromeURLDataManager::DataSource {
public:
// A SharedMemory that contains the data for print preview,
// and the size of the print preview data in bytes.
typedef std::pair<base::SharedMemory*, uint32> PrintPreviewData;
PrintPreviewUIHTMLSource();
virtual ~PrintPreviewUIHTMLSource();
// Gets the print preview |data|. The data is valid as long as the
// PrintPreviewHandler is valid and SetPrintPreviewData() does not get called.
void GetPrintPreviewData(PrintPreviewData* data);
// Sets the print preview |data|. PrintPreviewHandler owns the data and is
// responsible for freeing it when either:
// a) there is new data.
// b) when PrintPreviewHandler is destroyed.
void SetPrintPreviewData(const PrintPreviewData& data);
// ChromeURLDataManager::DataSource implementation.
virtual void StartDataRequest(const std::string& path,
bool is_incognito,
int request_id);
virtual std::string GetMimeType(const std::string&) const;
private:
// Current print preview data, the contents of which are owned by
// PrintPreviewHandler.
PrintPreviewData data_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewUIHTMLSource);
};
#endif // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_HTML_SOURCE_H_
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