| // 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 "base/compiler_specific.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| class PrintPreviewUI; |
| struct PrintHostMsg_DidGetPreviewPageCount_Params; |
| struct PrintHostMsg_DidPreviewDocument_Params; |
| struct PrintHostMsg_DidPreviewPage_Params; |
| struct PrintHostMsg_RequestPrintPreview_Params; |
| struct PrintHostMsg_SetOptionsFromDocument_Params; |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace gfx { |
| class Rect; |
| } |
| |
| namespace printing { |
| |
| struct PageSizeMargins; |
| |
| // Manages the print preview handling for a WebContents. |
| class PrintPreviewMessageHandler |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<PrintPreviewMessageHandler> { |
| public: |
| virtual ~PrintPreviewMessageHandler(); |
| |
| // content::WebContentsObserver implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| |
| private: |
| explicit PrintPreviewMessageHandler(content::WebContents* web_contents); |
| friend class content::WebContentsUserData<PrintPreviewMessageHandler>; |
| |
| // Gets the print preview dialog associated with the WebContents being |
| // observed. |
| content::WebContents* GetPrintPreviewDialog(); |
| |
| // Gets the PrintPreviewUI associated with the WebContents being observed. |
| PrintPreviewUI* GetPrintPreviewUI(); |
| |
| // Message handlers. |
| void OnRequestPrintPreview( |
| const PrintHostMsg_RequestPrintPreview_Params& params); |
| void OnDidGetDefaultPageLayout( |
| const printing::PageSizeMargins& page_layout_in_points, |
| const gfx::Rect& printable_area_in_points, |
| bool has_custom_page_size_style); |
| void OnDidGetPreviewPageCount( |
| const PrintHostMsg_DidGetPreviewPageCount_Params& params); |
| void OnDidPreviewPage(const PrintHostMsg_DidPreviewPage_Params& params); |
| void OnMetafileReadyForPrinting( |
| const PrintHostMsg_DidPreviewDocument_Params& params); |
| void OnPrintPreviewFailed(int document_cookie); |
| void OnPrintPreviewCancelled(int document_cookie); |
| void OnInvalidPrinterSettings(int document_cookie); |
| void OnSetOptionsFromDocument( |
| const PrintHostMsg_SetOptionsFromDocument_Params& params); |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler); |
| }; |
| |
| } // namespace printing |
| |
| #endif // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_ |