Files
electron/chromium_src/chrome/browser/printing/print_preview_message_handler.h
2016-03-10 17:06:21 +09:00

60 lines
1.9 KiB
C++

// Copyright (c) 2012 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_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
#define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
#include <map>
#include "atom/browser/api/atom_api_web_contents.h"
#include "base/compiler_specific.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
struct PrintHostMsg_DidPreviewDocument_Params;
namespace content {
class WebContents;
}
namespace printing {
struct PageSizeMargins;
// Manages the print preview handling for a WebContents.
class PrintPreviewMessageHandler
: public content::WebContentsObserver,
public content::WebContentsUserData<PrintPreviewMessageHandler> {
public:
~PrintPreviewMessageHandler() override;
// content::WebContentsObserver implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void PrintToPDF(const base::DictionaryValue& options,
const atom::api::WebContents::PrintToPDFCallback& callback);
private:
typedef std::map<int, atom::api::WebContents::PrintToPDFCallback>
PrintToPDFCallbackMap;
explicit PrintPreviewMessageHandler(content::WebContents* web_contents);
friend class content::WebContentsUserData<PrintPreviewMessageHandler>;
// Message handlers.
void OnMetafileReadyForPrinting(
const PrintHostMsg_DidPreviewDocument_Params& params);
void OnPrintPreviewFailed(int document_cookie, int request_id);
void RunPrintToPDFCallback(int request_id, uint32_t data_size, char* data);
PrintToPDFCallbackMap print_to_pdf_callback_map_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler);
};
} // namespace printing
#endif // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_