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	Also perform related C++ cleanup:
- Use =default instead of {} for default implementations of
  constructors/destructors.
- Replace typedef with using.
		
	
		
			
				
	
	
		
			107 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			4.4 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 CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
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#define CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
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#include "include/internal/cef_types_wrappers.h"
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#include "base/callback_forward.h"
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#include "chrome/browser/printing/print_view_manager.h"
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#include "components/printing/common/print.mojom-forward.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 "printing/mojom/print.mojom.h"
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namespace content {
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class RenderFrameHost;
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class RenderProcessHost;
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class WebContentsObserver;
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}  // namespace content
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class CefBrowserInfo;
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namespace printing {
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// CEF handler for print commands.
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class CefPrintViewManager : public PrintViewManager,
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                            public mojom::PrintPreviewUI {
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 public:
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  CefPrintViewManager(const CefPrintViewManager&) = delete;
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  CefPrintViewManager& operator=(const CefPrintViewManager&) = delete;
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  ~CefPrintViewManager() override;
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  static void BindPrintManagerHost(
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      mojo::PendingAssociatedReceiver<mojom::PrintManagerHost> receiver,
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      content::RenderFrameHost* rfh);
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  // Callback executed on PDF printing completion.
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  using PdfPrintCallback = base::OnceCallback<void(bool /*ok*/)>;
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  // Print the current document to a PDF file. Execute |callback| on completion.
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  bool PrintToPDF(content::RenderFrameHost* rfh,
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                  const base::FilePath& path,
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                  const CefPdfPrintSettings& settings,
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                  PdfPrintCallback callback);
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  // mojom::PrintManagerHost methods:
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  void GetDefaultPrintSettings(
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      GetDefaultPrintSettingsCallback callback) override;
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  void DidShowPrintDialog() override;
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  void RequestPrintPreview(mojom::RequestPrintPreviewParamsPtr params) override;
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  void CheckForCancel(int32_t preview_ui_id,
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                      int32_t request_id,
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                      CheckForCancelCallback callback) override;
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  // printing::mojo::PrintPreviewUI methods:
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  void SetOptionsFromDocument(const mojom::OptionsFromDocumentParamsPtr params,
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                              int32_t request_id) override {}
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  void DidPrepareDocumentForPreview(int32_t document_cookie,
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                                    int32_t request_id) override {}
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  void DidPreviewPage(mojom::DidPreviewPageParamsPtr params,
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                      int32_t request_id) override {}
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  void MetafileReadyForPrinting(mojom::DidPreviewDocumentParamsPtr params,
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                                int32_t request_id) override;
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  void PrintPreviewFailed(int32_t document_cookie, int32_t request_id) override;
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  void PrintPreviewCancelled(int32_t document_cookie,
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                             int32_t request_id) override;
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  void PrinterSettingsInvalid(int32_t document_cookie,
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                              int32_t request_id) override {}
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  void DidGetDefaultPageLayout(mojom::PageSizeMarginsPtr page_layout_in_points,
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                               const gfx::Rect& printable_area_in_points,
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                               bool has_custom_page_size_style,
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                               int32_t request_id) override {}
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  void DidStartPreview(mojom::DidStartPreviewParamsPtr params,
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                       int32_t request_id) override {}
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  // content::WebContentsObserver methods:
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  void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
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  void NavigationStopped() override;
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  void PrimaryMainFrameRenderProcessGone(
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      base::TerminationStatus status) override;
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  // Inline versions of the content::WebContentsUserData methods to avoid
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  // ambiguous warnings due to the PrintViewManager base class also extending
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  // WebContentsUserData.
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  static void CreateForWebContents(content::WebContents* contents);
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  static CefPrintViewManager* FromWebContents(content::WebContents* contents);
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  static const CefPrintViewManager* FromWebContents(
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      const content::WebContents* contents);
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 private:
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  explicit CefPrintViewManager(content::WebContents* web_contents);
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  void TerminatePdfPrintJob();
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  // Used for printing to PDF. Only accessed on the browser process UI thread.
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  int next_pdf_request_id_ = content::RenderFrameHost::kNoFrameTreeNodeId;
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  struct PdfPrintState;
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  std::unique_ptr<PdfPrintState> pdf_print_state_;
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  mojo::AssociatedReceiver<mojom::PrintPreviewUI> pdf_print_receiver_{this};
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};
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}  // namespace printing
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#endif  // CEF_LIBCEF_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
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