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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ | 5 #ifndef CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ |
| 6 #define CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ | 6 #define CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ |
| 7 | 7 |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/macros.h" | 8 #include "base/macros.h" |
| 11 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 12 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
| 13 #include "build/build_config.h" | 11 #include "build/build_config.h" |
| 14 #include "components/prefs/pref_member.h" | 12 #include "components/prefs/pref_member.h" |
| 15 #include "components/printing/browser/print_manager.h" | 13 #include "components/printing/browser/print_manager.h" |
| 16 #include "content/public/browser/notification_observer.h" | 14 #include "content/public/browser/notification_observer.h" |
| 17 #include "content/public/browser/notification_registrar.h" | 15 #include "content/public/browser/notification_registrar.h" |
| 18 #include "printing/features/features.h" | 16 #include "printing/features/features.h" |
| 19 #include "printing/printed_pages_source.h" | 17 #include "printing/printed_pages_source.h" |
| 20 | 18 |
| 21 struct PrintHostMsg_DidPrintPage_Params; | 19 struct PrintHostMsg_DidPrintPage_Params; |
| 22 | 20 |
| 23 namespace content { | |
| 24 class RenderFrameHost; | |
| 25 } | |
| 26 | |
| 27 namespace printing { | 21 namespace printing { |
| 28 | 22 |
| 29 class JobEventDetails; | 23 class JobEventDetails; |
| 30 class MetafilePlayer; | 24 class MetafilePlayer; |
| 31 class PrintJob; | 25 class PrintJob; |
| 32 class PrintJobWorkerOwner; | 26 class PrintJobWorkerOwner; |
| 33 class PrintQueriesQueue; | 27 class PrintQueriesQueue; |
| 34 | 28 |
| 35 // Base class for managing the print commands for a WebContents. | 29 // Base class for managing the print commands for a WebContents. |
| 36 class PrintViewManagerBase : public content::NotificationObserver, | 30 class PrintViewManagerBase : public content::NotificationObserver, |
| 37 public PrintedPagesSource, | 31 public PrintedPagesSource, |
| 38 public PrintManager { | 32 public PrintManager { |
| 39 public: | 33 public: |
| 40 ~PrintViewManagerBase() override; | 34 ~PrintViewManagerBase() override; |
| 41 | 35 |
| 42 #if BUILDFLAG(ENABLE_BASIC_PRINTING) | 36 #if BUILDFLAG(ENABLE_BASIC_PRINTING) |
| 43 // Prints the current document immediately. Since the rendering is | 37 // Prints the current document immediately. Since the rendering is |
| 44 // asynchronous, the actual printing will not be completed on the return of | 38 // asynchronous, the actual printing will not be completed on the return of |
| 45 // this function. Returns false if printing is impossible at the moment. | 39 // this function. Returns false if printing is impossible at the moment. |
| 46 virtual bool PrintNow(content::RenderFrameHost* rfh); | 40 virtual bool PrintNow(); |
| 47 #endif // ENABLE_BASIC_PRINTING | 41 #endif // ENABLE_BASIC_PRINTING |
| 48 | 42 |
| 49 // Whether printing is enabled or not. | 43 // Whether to block scripted printing for our tab or not. |
| 50 void UpdatePrintingEnabled(); | 44 void UpdateScriptedPrintingBlocked(); |
| 51 | 45 |
| 52 // PrintedPagesSource implementation. | 46 // PrintedPagesSource implementation. |
| 53 base::string16 RenderSourceName() override; | 47 base::string16 RenderSourceName() override; |
| 54 | 48 |
| 55 protected: | 49 protected: |
| 56 explicit PrintViewManagerBase(content::WebContents* web_contents); | 50 explicit PrintViewManagerBase(content::WebContents* web_contents); |
| 57 | 51 |
| 58 // Helper method for Print*Now(). | 52 // Helper method for Print*Now(). |
| 59 bool PrintNowInternal(content::RenderFrameHost* rfh, | 53 bool PrintNowInternal(IPC::Message* message); |
| 60 std::unique_ptr<IPC::Message> message); | |
| 61 | 54 |
| 62 void SetPrintingRFH(content::RenderFrameHost* rfh); | 55 // Terminates or cancels the print job if one was pending. |
| 56 void RenderProcessGone(base::TerminationStatus status) override; |
| 63 | 57 |
| 64 // content::WebContentsObserver implementation. | 58 // content::WebContentsObserver implementation. |
| 65 void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override; | 59 bool OnMessageReceived(const IPC::Message& message) override; |
| 66 bool OnMessageReceived(const IPC::Message& message, | |
| 67 content::RenderFrameHost* render_frame_host) override; | |
| 68 | 60 |
| 69 private: | 61 private: |
| 70 // content::NotificationObserver implementation. | 62 // content::NotificationObserver implementation. |
| 71 void Observe(int type, | 63 void Observe(int type, |
| 72 const content::NotificationSource& source, | 64 const content::NotificationSource& source, |
| 73 const content::NotificationDetails& details) override; | 65 const content::NotificationDetails& details) override; |
| 74 | 66 |
| 75 // content::WebContentsObserver implementation. | 67 // content::WebContentsObserver implementation. |
| 76 void DidStartLoading() override; | 68 void DidStartLoading() override; |
| 77 | 69 |
| (...skipping 24 matching lines...) Expand all Loading... |
| 102 // Creates a new empty print job. It has no settings loaded. If there is | 94 // Creates a new empty print job. It has no settings loaded. If there is |
| 103 // currently a print job, safely disconnect from it. Returns false if it is | 95 // currently a print job, safely disconnect from it. Returns false if it is |
| 104 // impossible to safely disconnect from the current print job or it is | 96 // impossible to safely disconnect from the current print job or it is |
| 105 // impossible to create a new print job. | 97 // impossible to create a new print job. |
| 106 bool CreateNewPrintJob(PrintJobWorkerOwner* job); | 98 bool CreateNewPrintJob(PrintJobWorkerOwner* job); |
| 107 | 99 |
| 108 // Makes sure the current print_job_ has all its data before continuing, and | 100 // Makes sure the current print_job_ has all its data before continuing, and |
| 109 // disconnect from it. | 101 // disconnect from it. |
| 110 void DisconnectFromCurrentPrintJob(); | 102 void DisconnectFromCurrentPrintJob(); |
| 111 | 103 |
| 104 // Notify that the printing is done. |
| 105 void PrintingDone(bool success); |
| 106 |
| 112 // Terminates the print job. No-op if no print job has been created. If | 107 // Terminates the print job. No-op if no print job has been created. If |
| 113 // |cancel| is true, cancel it instead of waiting for the job to finish. Will | 108 // |cancel| is true, cancel it instead of waiting for the job to finish. Will |
| 114 // call ReleasePrintJob(). | 109 // call ReleasePrintJob(). |
| 115 void TerminatePrintJob(bool cancel); | 110 void TerminatePrintJob(bool cancel); |
| 116 | 111 |
| 117 // Releases print_job_. Correctly deregisters from notifications. No-op if | 112 // Releases print_job_. Correctly deregisters from notifications. No-op if |
| 118 // no print job has been created. | 113 // no print job has been created. |
| 119 void ReleasePrintJob(); | 114 void ReleasePrintJob(); |
| 120 | 115 |
| 121 // Runs an inner message loop. It will set inside_inner_message_loop_ to true | 116 // Runs an inner message loop. It will set inside_inner_message_loop_ to true |
| 122 // while the blocking inner message loop is running. This is useful in cases | 117 // while the blocking inner message loop is running. This is useful in cases |
| 123 // where the RenderView is about to be destroyed while a printing job isn't | 118 // where the RenderView is about to be destroyed while a printing job isn't |
| 124 // finished. | 119 // finished. |
| 125 bool RunInnerMessageLoop(); | 120 bool RunInnerMessageLoop(); |
| 126 | 121 |
| 127 // In the case of Scripted Printing, where the renderer is controlling the | 122 // In the case of Scripted Printing, where the renderer is controlling the |
| 128 // control flow, print_job_ is initialized whenever possible. No-op is | 123 // control flow, print_job_ is initialized whenever possible. No-op is |
| 129 // print_job_ is initialized. | 124 // print_job_ is initialized. |
| 130 bool OpportunisticallyCreatePrintJob(int cookie); | 125 bool OpportunisticallyCreatePrintJob(int cookie); |
| 131 | 126 |
| 132 // Release the PrinterQuery associated with our |cookie_|. | 127 // Release the PrinterQuery associated with our |cookie_|. |
| 133 void ReleasePrinterQuery(); | 128 void ReleasePrinterQuery(); |
| 134 | 129 |
| 135 // Helper method for UpdatePrintingEnabled(). | |
| 136 void SendPrintingEnabled(bool enabled, content::RenderFrameHost* rfh); | |
| 137 | |
| 138 content::NotificationRegistrar registrar_; | 130 content::NotificationRegistrar registrar_; |
| 139 | 131 |
| 140 // The current RFH that is printing with a system printing dialog. | |
| 141 content::RenderFrameHost* printing_rfh_; | |
| 142 | |
| 143 // Manages the low-level talk to the printer. | 132 // Manages the low-level talk to the printer. |
| 144 scoped_refptr<PrintJob> print_job_; | 133 scoped_refptr<PrintJob> print_job_; |
| 145 | 134 |
| 146 // Indication of success of the print job. | 135 // Indication of success of the print job. |
| 147 bool printing_succeeded_; | 136 bool printing_succeeded_; |
| 148 | 137 |
| 149 // Running an inner message loop inside RenderAllMissingPagesNow(). This means | 138 // Running an inner message loop inside RenderAllMissingPagesNow(). This means |
| 150 // we are _blocking_ until all the necessary pages have been rendered or the | 139 // we are _blocking_ until all the necessary pages have been rendered or the |
| 151 // print settings are being loaded. | 140 // print settings are being loaded. |
| 152 bool inside_inner_message_loop_; | 141 bool inside_inner_message_loop_; |
| 153 | 142 |
| 154 #if !defined(OS_MACOSX) | 143 #if !defined(OS_MACOSX) |
| 155 // Set to true when OnDidPrintPage() should be expecting the first page. | 144 // Set to true when OnDidPrintPage() should be expecting the first page. |
| 156 bool expecting_first_page_; | 145 bool expecting_first_page_; |
| 157 #endif | 146 #endif |
| 158 | 147 |
| 159 // Whether printing is enabled. | 148 // Whether printing is enabled. |
| 160 BooleanPrefMember printing_enabled_; | 149 BooleanPrefMember printing_enabled_; |
| 161 | 150 |
| 162 scoped_refptr<printing::PrintQueriesQueue> queue_; | 151 scoped_refptr<printing::PrintQueriesQueue> queue_; |
| 163 | 152 |
| 164 DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBase); | 153 DISALLOW_COPY_AND_ASSIGN(PrintViewManagerBase); |
| 165 }; | 154 }; |
| 166 | 155 |
| 167 } // namespace printing | 156 } // namespace printing |
| 168 | 157 |
| 169 #endif // CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ | 158 #endif // CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_BASE_H_ |
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