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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ |
7 | 7 |
8 #import <Cocoa/Cocoa.h> | 8 #import <Cocoa/Cocoa.h> |
9 | 9 |
10 #include "base/mac/scoped_block.h" | 10 #include "base/mac/scoped_block.h" |
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66 | 66 |
67 // When the renderer sends the ViewHostMsg reply, the RenderMessageFilter will | 67 // When the renderer sends the ViewHostMsg reply, the RenderMessageFilter will |
68 // call the corresponding method on the IO thread to unlock the condition and | 68 // call the corresponding method on the IO thread to unlock the condition and |
69 // allow the Get*() methods to continue/return. | 69 // allow the Get*() methods to continue/return. |
70 void SetCharacterIndexAndSignal(NSUInteger index); | 70 void SetCharacterIndexAndSignal(NSUInteger index); |
71 void SetFirstRectAndSignal(NSRect first_rect); | 71 void SetFirstRectAndSignal(NSRect first_rect); |
72 void SetSubstringAndSignal(NSAttributedString* string); | 72 void SetSubstringAndSignal(NSAttributedString* string); |
73 | 73 |
74 // This async method is invoked from RenderWidgetHostViewCocoa's | 74 // This async method is invoked from RenderWidgetHostViewCocoa's |
75 // -quickLookWithEvent:, when the user taps a word using 3 fingers. | 75 // -quickLookWithEvent:, when the user taps a word using 3 fingers. |
76 // The reply callback will be invoked from the IO thread, the caller is | 76 // The reply callback will be invoked from the IO thread; the caller is |
77 // responsible for bouncing to the main thread if necessary. | 77 // responsible for bouncing to the main thread if necessary. |
78 // The callback parameters provide the attributed word under the point and | 78 // The callback parameters provide the attributed word under the point and |
79 // the lower left baseline point of the text. | 79 // the lower left baseline point of the text. |
80 void GetStringAtPoint(RenderWidgetHost* rwh, | 80 void GetStringAtPoint(RenderWidgetHost* rwh, |
81 gfx::Point point, | 81 gfx::Point point, |
82 void (^replyHandler)(NSAttributedString*, NSPoint)); | 82 void (^reply_handler)(NSAttributedString*, NSPoint)); |
| 83 |
83 // This is called on the IO thread when we get the renderer's reply for | 84 // This is called on the IO thread when we get the renderer's reply for |
84 // GetStringAtPoint. | 85 // GetStringAtPoint. |
85 void GetStringAtPointReply(NSAttributedString*, NSPoint); | 86 void GetStringAtPointReply(NSAttributedString* string, NSPoint point); |
| 87 |
| 88 // This async method is invoked when browser tries to retreive the text for |
| 89 // certain range and doesn't want to wait for the reply from blink. |
| 90 // The reply callback will be invoked from the IO thread; the caller is |
| 91 // responsible for bouncing to the main thread if necessary. |
| 92 // The callback parameters provide the attributed word under the point and |
| 93 // the lower left baseline point of the text. |
| 94 void GetStringFromRange(RenderWidgetHost* rwh, |
| 95 NSRange range, |
| 96 void (^reply_handler)(NSAttributedString*, NSPoint)); |
| 97 |
| 98 // This is called on the IO thread when we get the renderer's reply for |
| 99 // GetStringFromRange. |
| 100 void GetStringFromRangeReply(NSAttributedString* string, NSPoint point); |
86 | 101 |
87 private: | 102 private: |
88 friend struct base::DefaultSingletonTraits<TextInputClientMac>; | 103 friend struct base::DefaultSingletonTraits<TextInputClientMac>; |
89 TextInputClientMac(); | 104 TextInputClientMac(); |
90 ~TextInputClientMac(); | 105 ~TextInputClientMac(); |
91 | 106 |
92 // The critical sections that the Condition guards are in Get*() methods. | 107 // The critical sections that the Condition guards are in Get*() methods. |
93 // These methods lock the internal condition for use before the asynchronous | 108 // These methods lock the internal condition for use before the asynchronous |
94 // message is sent to the renderer to lookup the required information. These | 109 // message is sent to the renderer to lookup the required information. These |
95 // are only used on the UI thread. | 110 // are only used on the UI thread. |
96 void BeforeRequest(); | 111 void BeforeRequest(); |
97 // Called at the end of a critical section. This will release the lock and | 112 // Called at the end of a critical section. This will release the lock and |
98 // condition. | 113 // condition. |
99 void AfterRequest(); | 114 void AfterRequest(); |
100 | 115 |
101 NSUInteger character_index_; | 116 NSUInteger character_index_; |
102 NSRect first_rect_; | 117 NSRect first_rect_; |
103 base::scoped_nsobject<NSAttributedString> substring_; | 118 base::scoped_nsobject<NSAttributedString> substring_; |
104 | 119 |
105 base::Lock lock_; | 120 base::Lock lock_; |
106 base::ConditionVariable condition_; | 121 base::ConditionVariable condition_; |
107 | 122 |
108 base::mac::ScopedBlock<void(^)(NSAttributedString*, NSPoint)> replyHandler_; | 123 // The callback when received IPC TextInputClientReplyMsg_GotStringAtPoint. |
| 124 base::mac::ScopedBlock<void(^)(NSAttributedString*, NSPoint)> |
| 125 replyForPointHandler_; |
| 126 |
| 127 // The callback when received IPC TextInputClientReplyMsg_GotStringForRange. |
| 128 base::mac::ScopedBlock<void(^)(NSAttributedString*, NSPoint)> |
| 129 replyForRangeHandler_; |
109 | 130 |
110 DISALLOW_COPY_AND_ASSIGN(TextInputClientMac); | 131 DISALLOW_COPY_AND_ASSIGN(TextInputClientMac); |
111 }; | 132 }; |
112 | 133 |
113 } // namespace content | 134 } // namespace content |
114 | 135 |
115 #endif // CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ | 136 #endif // CONTENT_BROWSER_RENDERER_HOST_TEXT_INPUT_CLIENT_MAC_H_ |
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