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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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#define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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#include <map>
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#include "atom/browser/api/atom_api_web_contents.h"
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#include "base/compiler_specific.h"
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#include "content/public/browser/web_contents_observer.h"
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#include "content/public/browser/web_contents_user_data.h"
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struct PrintHostMsg_DidPreviewDocument_Params;
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namespace content {
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class WebContents;
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}
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namespace printing {
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struct PageSizeMargins;
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// Manages the print preview handling for a WebContents.
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class PrintPreviewMessageHandler
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: public content::WebContentsObserver,
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public content::WebContentsUserData<PrintPreviewMessageHandler> {
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public:
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~PrintPreviewMessageHandler() override;
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// content::WebContentsObserver implementation.
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bool OnMessageReceived(const IPC::Message& message) override;
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void PrintToPDF(const base::DictionaryValue& options,
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const atom::api::WebContents::PrintToPDFCallback& callback);
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private:
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typedef std::map<int, atom::api::WebContents::PrintToPDFCallback>
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PrintToPDFCallbackMap;
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explicit PrintPreviewMessageHandler(content::WebContents* web_contents);
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friend class content::WebContentsUserData<PrintPreviewMessageHandler>;
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// Message handlers.
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void OnMetafileReadyForPrinting(
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const PrintHostMsg_DidPreviewDocument_Params& params);
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void OnPrintPreviewFailed(int document_cookie, int request_id);
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void RunPrintToPDFCallback(int request_id, uint32_t data_size, char* data);
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PrintToPDFCallbackMap print_to_pdf_callback_map_;
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DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler);
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};
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} // namespace printing
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#endif // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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