 82322968a3
			
		
	
	
	82322968a3
	
	
	
		
			
			* refactor: basic printing * move build files to chromium_src/BUILD.gn * remove dependency on chrome prerender sources * spec: move printing specs behind feature flag * build: register pdf compositor service
		
			
				
	
	
		
			74 lines
		
	
	
	
		
			2.7 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
	
		
			2.7 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2018 GitHub, Inc.
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| // Use of this source code is governed by the MIT license that can be
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| // found in the LICENSE file.
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| 
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| #ifndef ATOM_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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| #define ATOM_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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| 
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| #include <map>
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| 
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| #include "base/memory/ref_counted_memory.h"
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| #include "base/memory/weak_ptr.h"
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| #include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.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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| #include "v8/include/v8.h"
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| 
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| struct PrintHostMsg_DidPreviewDocument_Params;
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| struct PrintHostMsg_PreviewIds;
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| 
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| namespace content {
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| class RenderFrameHost;
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| }
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| 
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| namespace atom {
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| 
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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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|   using PrintToPDFCallback =
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|       base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
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| 
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|   ~PrintPreviewMessageHandler() override;
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| 
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|   void PrintToPDF(const base::DictionaryValue& options,
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|                   const PrintToPDFCallback& callback);
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| 
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|  protected:
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|   // content::WebContentsObserver implementation.
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|   bool OnMessageReceived(const IPC::Message& message,
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|                          content::RenderFrameHost* render_frame_host) override;
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| 
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|  private:
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|   friend class content::WebContentsUserData<PrintPreviewMessageHandler>;
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| 
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|   explicit PrintPreviewMessageHandler(content::WebContents* web_contents);
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| 
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|   void OnMetafileReadyForPrinting(
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|       content::RenderFrameHost* render_frame_host,
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|       const PrintHostMsg_DidPreviewDocument_Params& params,
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|       const PrintHostMsg_PreviewIds& ids);
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|   void OnCompositePdfDocumentDone(int page_number,
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|                                   const PrintHostMsg_PreviewIds& ids,
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|                                   printing::mojom::PdfCompositor::Status status,
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|                                   base::ReadOnlySharedMemoryRegion region);
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|   void OnPrintPreviewFailed(int document_cookie,
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|                             const PrintHostMsg_PreviewIds& ids);
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|   void OnPrintPreviewCancelled(int document_cookie,
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|                                const PrintHostMsg_PreviewIds& ids);
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|   void RunPrintToPDFCallback(int request_id,
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|                              scoped_refptr<base::RefCountedMemory> data_bytes);
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| 
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|   using PrintToPDFCallbackMap = std::map<int, PrintToPDFCallback>;
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|   PrintToPDFCallbackMap print_to_pdf_callback_map_;
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| 
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|   base::WeakPtrFactory<PrintPreviewMessageHandler> weak_ptr_factory_;
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| 
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|   DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler);
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| };
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| 
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| }  // namespace atom
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| 
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| #endif  // ATOM_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
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