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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_UTILITY_UTILITY_THREAD_H_ | 5 #ifndef CONTENT_UTILITY_UTILITY_THREAD_H_ |
6 #define CHROME_UTILITY_UTILITY_THREAD_H_ | 6 #define CONTENT_UTILITY_UTILITY_THREAD_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/string16.h" | 13 #include "base/string16.h" |
14 #include "base/platform_file.h" | |
15 #include "content/common/child_thread.h" | 14 #include "content/common/child_thread.h" |
16 | 15 |
17 class FilePath; | |
18 class IndexedDBKey; | 16 class IndexedDBKey; |
19 class SerializedScriptValue; | 17 class SerializedScriptValue; |
20 | 18 |
21 namespace gfx { | |
22 class Rect; | |
23 } | |
24 | |
25 namespace IPC { | |
26 class Message; | |
27 } | |
28 | |
29 namespace printing { | |
30 struct PageRange; | |
31 } | |
32 | 19 |
33 // This class represents the background thread where the utility task runs. | 20 // This class represents the background thread where the utility task runs. |
34 class UtilityThread : public ChildThread { | 21 class UtilityThread : public ChildThread { |
35 public: | 22 public: |
36 UtilityThread(); | 23 UtilityThread(); |
37 virtual ~UtilityThread(); | 24 virtual ~UtilityThread(); |
38 | 25 |
| 26 // Releases the process if we are not (or no longer) in batch mode. |
| 27 void ReleaseProcessIfNeeded(); |
| 28 |
39 // Returns the one utility thread. | 29 // Returns the one utility thread. |
40 static UtilityThread* current() { | 30 static UtilityThread* current() { |
41 return static_cast<UtilityThread*>(ChildThread::current()); | 31 return static_cast<UtilityThread*>(ChildThread::current()); |
42 } | 32 } |
43 | 33 |
44 private: | 34 private: |
45 // IPC messages | 35 // ChildThread implementation. |
46 virtual bool OnControlMessageReceived(const IPC::Message& msg); | 36 virtual bool OnControlMessageReceived(const IPC::Message& msg); |
47 void OnUnpackExtension(const FilePath& extension_path); | |
48 | 37 |
49 // IPC messages for web resource service. | 38 // IPC message handlers. |
50 void OnUnpackWebResource(const std::string& resource_data); | |
51 | |
52 // IPC for parsing an extensions auto-update manifest xml file. | |
53 void OnParseUpdateManifest(const std::string& xml); | |
54 | |
55 // IPC for decoding an image. | |
56 void OnDecodeImage(const std::vector<unsigned char>& encoded_data); | |
57 | |
58 // IPC for decoding an image which is base64 encoded. | |
59 void OnDecodeImageBase64(const std::string& encoded_data); | |
60 | |
61 // IPC to render a PDF into a platform metafile. | |
62 void OnRenderPDFPagesToMetafile( | |
63 base::PlatformFile pdf_file, | |
64 const FilePath& metafile_path, | |
65 const gfx::Rect& render_area, | |
66 int render_dpi, | |
67 const std::vector<printing::PageRange>& page_ranges); | |
68 | |
69 #if defined(OS_WIN) | |
70 // Helper method for Windows. | |
71 // |highest_rendered_page_number| is set to -1 on failure to render any page. | |
72 bool RenderPDFToWinMetafile( | |
73 base::PlatformFile pdf_file, | |
74 const FilePath& metafile_path, | |
75 const gfx::Rect& render_area, | |
76 int render_dpi, | |
77 const std::vector<printing::PageRange>& page_ranges, | |
78 int* highest_rendered_page_number); | |
79 #endif // defined(OS_WIN) | |
80 | |
81 // IPC for extracting IDBKeys from SerializedScriptValues, used by IndexedDB. | |
82 void OnIDBKeysFromValuesAndKeyPath( | 39 void OnIDBKeysFromValuesAndKeyPath( |
83 int id, | 40 int id, |
84 const std::vector<SerializedScriptValue>& serialized_script_values, | 41 const std::vector<SerializedScriptValue>& serialized_script_values, |
85 const string16& idb_key_path); | 42 const string16& idb_key_path); |
86 | |
87 // IPC for injecting an IndexedDB key into a SerializedScriptValue. | |
88 void OnInjectIDBKey(const IndexedDBKey& key, | 43 void OnInjectIDBKey(const IndexedDBKey& key, |
89 const SerializedScriptValue& value, | 44 const SerializedScriptValue& value, |
90 const string16& key_path); | 45 const string16& key_path); |
91 | |
92 // IPC for parsing a string of JSON into a Value. | |
93 void OnParseJSON(const std::string& json); | |
94 | |
95 // IPC to notify we'll be running in batch mode instead of quitting after | |
96 // any of the IPCs above, we'll only quit during OnBatchModeFinished(). | |
97 void OnBatchModeStarted(); | 46 void OnBatchModeStarted(); |
98 | |
99 // IPC to notify batch mode has finished and we should now quit. | |
100 void OnBatchModeFinished(); | 47 void OnBatchModeFinished(); |
101 | 48 |
102 // IPC to get capabilities and defaults for the specified | |
103 // printer. Used on Windows to isolate the service process from printer driver | |
104 // crashes by executing this in a separate process. This does not run in a | |
105 // sandbox. | |
106 void OnGetPrinterCapsAndDefaults(const std::string& printer_name); | |
107 | |
108 // Releases the process if we are not (or no longer) in batch mode. | |
109 void ReleaseProcessIfNeeded(); | |
110 | |
111 // True when we're running in batch mode. | 49 // True when we're running in batch mode. |
112 bool batch_mode_; | 50 bool batch_mode_; |
113 | 51 |
114 DISALLOW_COPY_AND_ASSIGN(UtilityThread); | 52 DISALLOW_COPY_AND_ASSIGN(UtilityThread); |
115 }; | 53 }; |
116 | 54 |
117 #endif // CHROME_UTILITY_UTILITY_THREAD_H_ | 55 #endif // CONTENT_UTILITY_UTILITY_THREAD_H_ |
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