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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_H_
#define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_H_
#pragma once
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/ref_counted_memory.h"
#include "base/time.h"
#include "chrome/browser/printing/print_preview_data_service.h"
#include "chrome/browser/ui/webui/chrome_web_ui.h"
class PrintPreviewDataService;
class PrintPreviewUI : public ChromeWebUI {
public:
explicit PrintPreviewUI(TabContents* contents);
virtual ~PrintPreviewUI();
// Gets the print preview |data|. The data is valid as long as the
// PrintPreviewDataService is valid and SetPrintPreviewData() does not get
// called.
void GetPrintPreviewData(scoped_refptr<RefCountedBytes>* data);
// Sets the print preview |data|.
void SetPrintPreviewData(const RefCountedBytes* data);
// Notify the Web UI renderer that preview data is available.
// |expected_pages_count| specifies the total number of pages.
// |job_title| is the title of the page being previewed.
// |modifiable| indicates if the preview can be rerendered with different
// print settings.
void OnPreviewDataIsAvailable(int expected_pages_count,
const string16& job_title,
bool modifiable);
// Notify the Web UI that initiator tab is closed, so we can disable all
// the controls that need the initiator tab for generating the preview data.
// |initiator_tab_url| is passed in order to display a more accurate error
// message.
void OnInitiatorTabClosed(const std::string& initiator_tab_url);
// Notify the Web UI renderer that file selection has been cancelled.
void OnFileSelectionCancelled();
private:
// Helper function
PrintPreviewDataService* print_preview_data_service();
base::TimeTicks initial_preview_start_time_;
// Store the PrintPreviewUI address string.
std::string preview_ui_addr_str_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewUI);
};
#endif // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_UI_H_
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