[Experimental] Supporting OOPIF printing

chrome/browser/printing/print_view_manager_base.h

 // Copyright 2013 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_VIEW_MANAGER_BASE_H_
 #define CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/shared_memory_handle.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "components/prefs/pref_member.h"
 #include "components/printing/browser/print_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 #include "printing/features/features.h"
 #include "printing/printed_pages_source.h"
 
 struct PrintHostMsg_DidPrintPage_Params;
 
 namespace content {
 class RenderFrameHost;
 }
 
 namespace printing {
 
 class JobEventDetails;
+class PrintCompositeClient;
 class PrintJob;
 class PrintJobWorkerOwner;
 class PrintQueriesQueue;
 
 // Base class for managing the print commands for a WebContents.
 class PrintViewManagerBase : public content::NotificationObserver,
                              public PrintedPagesSource,
                              public PrintManager {
  public:
   ~PrintViewManagerBase() override;
@@ skipping 32 matching lines @@
                const content::NotificationDetails& details) override;
 
   // content::WebContentsObserver implementation.
   void DidStartLoading() override;
 
   // Cancels the print job.
   void NavigationStopped() override;
 
   // IPC Message handlers.
   void OnDidGetPrintedPagesCount(int cookie, int number_pages) override;
-  void OnDidPrintPage(const PrintHostMsg_DidPrintPage_Params& params);
   void OnPrintingFailed(int cookie) override;
   void OnShowInvalidPrinterSettingsError();
+  void OnDidPrintPage(content::RenderFrameHost* render_frame_host,
+                      const PrintHostMsg_DidPrintPage_Params& params);
+  void OnIsReadyToCompose(content::RenderFrameHost* render_frame_host,
+                          const PrintHostMsg_DidPrintPage_Params& params,
+                          bool status);
+
+  // IPC message handlers for service.
+  void OnComposePdfDone(mojo::ScopedSharedBufferHandle handle);
 
   // Processes a NOTIFY_PRINT_JOB_EVENT notification.
   void OnNotifyPrintJobEvent(const JobEventDetails& event_details);
 
   // Requests the RenderView to render all the missing pages for the print job.
   // No-op if no print job is pending. Returns true if at least one page has
   // been requested to the renderer.
   bool RenderAllMissingPagesNow();
 
   // Quits the current message loop if these conditions hold true: a document is
@@ skipping 56 matching lines @@
   bool inside_inner_message_loop_;
 
 #if !defined(OS_MACOSX)
   // Set to true when OnDidPrintPage() should be expecting the first page.
   bool expecting_first_page_;
 #endif
 
   // Whether printing is enabled.
   BooleanPrefMember printing_enabled_;
 
+  PrintCompositeClient* composite_client_;
+
   scoped_refptr<printing::PrintQueriesQueue> queue_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBase);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_