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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_JOB_WORKER_H__ | 5 #ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__ |
| 6 #define CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__ | 6 #define CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/task.h" | 11 #include "base/task.h" |
| 12 #include "base/threading/thread.h" | 12 #include "base/threading/thread.h" |
| 13 #include "printing/page_number.h" | 13 #include "printing/page_number.h" |
| 14 #include "printing/printing_context.h" | 14 #include "printing/printing_context.h" |
| 15 #include "ui/gfx/native_widget_types.h" | 15 #include "ui/gfx/native_widget_types.h" |
| 16 | 16 |
| 17 namespace base { |
| 17 class DictionaryValue; | 18 class DictionaryValue; |
| 19 } |
| 18 | 20 |
| 19 namespace printing { | 21 namespace printing { |
| 20 | 22 |
| 21 class PrintedDocument; | 23 class PrintedDocument; |
| 22 class PrintedPage; | 24 class PrintedPage; |
| 23 class PrintJob; | 25 class PrintJob; |
| 24 class PrintJobWorkerOwner; | 26 class PrintJobWorkerOwner; |
| 25 | 27 |
| 26 // Worker thread code. All this code, except for the constructor, is executed in | 28 // Worker thread code. All this code, except for the constructor, is executed in |
| 27 // the worker thread. It manages the PrintingContext, which can be blocking | 29 // the worker thread. It manages the PrintingContext, which can be blocking |
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| 39 // Initializes the print settings. If |ask_user_for_settings| is true, a | 41 // Initializes the print settings. If |ask_user_for_settings| is true, a |
| 40 // Print... dialog box will be shown to ask the user his preference. | 42 // Print... dialog box will be shown to ask the user his preference. |
| 41 void GetSettings(bool ask_user_for_settings, | 43 void GetSettings(bool ask_user_for_settings, |
| 42 gfx::NativeView parent_view, | 44 gfx::NativeView parent_view, |
| 43 int document_page_count, | 45 int document_page_count, |
| 44 bool has_selection, | 46 bool has_selection, |
| 45 bool use_overlays); | 47 bool use_overlays); |
| 46 | 48 |
| 47 // Set the new print settings. This function takes ownership of | 49 // Set the new print settings. This function takes ownership of |
| 48 // |new_settings|. | 50 // |new_settings|. |
| 49 void SetSettings(const DictionaryValue* const new_settings); | 51 void SetSettings(const base::DictionaryValue* const new_settings); |
| 50 | 52 |
| 51 // Starts the printing loop. Every pages are printed as soon as the data is | 53 // Starts the printing loop. Every pages are printed as soon as the data is |
| 52 // available. Makes sure the new_document is the right one. | 54 // available. Makes sure the new_document is the right one. |
| 53 void StartPrinting(PrintedDocument* new_document); | 55 void StartPrinting(PrintedDocument* new_document); |
| 54 | 56 |
| 55 // Updates the printed document. | 57 // Updates the printed document. |
| 56 void OnDocumentChanged(PrintedDocument* new_document); | 58 void OnDocumentChanged(PrintedDocument* new_document); |
| 57 | 59 |
| 58 // Unqueues waiting pages. Called when PrintJob receives a | 60 // Unqueues waiting pages. Called when PrintJob receives a |
| 59 // NOTIFY_PRINTED_DOCUMENT_UPDATED notification. It's time to look again if | 61 // NOTIFY_PRINTED_DOCUMENT_UPDATED notification. It's time to look again if |
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| 93 int document_page_count, | 95 int document_page_count, |
| 94 bool has_selection); | 96 bool has_selection); |
| 95 | 97 |
| 96 // The callback used by PrintingContext::GetSettingsWithUI() to notify this | 98 // The callback used by PrintingContext::GetSettingsWithUI() to notify this |
| 97 // object that the print settings are set. This is needed in order to bounce | 99 // object that the print settings are set. This is needed in order to bounce |
| 98 // back into the IO thread for GetSettingsDone(). | 100 // back into the IO thread for GetSettingsDone(). |
| 99 void GetSettingsWithUIDone(PrintingContext::Result result); | 101 void GetSettingsWithUIDone(PrintingContext::Result result); |
| 100 | 102 |
| 101 // Called on the UI thread to update the print settings. This function takes | 103 // Called on the UI thread to update the print settings. This function takes |
| 102 // the ownership of |new_settings|. | 104 // the ownership of |new_settings|. |
| 103 void UpdatePrintSettings(const DictionaryValue* const new_settings); | 105 void UpdatePrintSettings(const base::DictionaryValue* const new_settings); |
| 104 | 106 |
| 105 // Reports settings back to owner_. | 107 // Reports settings back to owner_. |
| 106 void GetSettingsDone(PrintingContext::Result result); | 108 void GetSettingsDone(PrintingContext::Result result); |
| 107 | 109 |
| 108 // Use the default settings. When using GTK+ or Mac, this can still end up | 110 // Use the default settings. When using GTK+ or Mac, this can still end up |
| 109 // displaying a dialog. So this needs to happen from the UI thread on these | 111 // displaying a dialog. So this needs to happen from the UI thread on these |
| 110 // systems. | 112 // systems. |
| 111 void UseDefaultSettings(); | 113 void UseDefaultSettings(); |
| 112 | 114 |
| 113 // Information about the printer setting. | 115 // Information about the printer setting. |
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| 130 | 132 |
| 131 template <> | 133 template <> |
| 132 struct RunnableMethodTraits<printing::PrintJobWorker> { | 134 struct RunnableMethodTraits<printing::PrintJobWorker> { |
| 133 void RetainCallee(printing::PrintJobWorker* obj); | 135 void RetainCallee(printing::PrintJobWorker* obj); |
| 134 void ReleaseCallee(printing::PrintJobWorker* obj); | 136 void ReleaseCallee(printing::PrintJobWorker* obj); |
| 135 private: | 137 private: |
| 136 scoped_refptr<printing::PrintJobWorkerOwner> owner_; | 138 scoped_refptr<printing::PrintJobWorkerOwner> owner_; |
| 137 }; | 139 }; |
| 138 | 140 |
| 139 #endif // CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__ | 141 #endif // CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__ |
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