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Side by Side Diff: ui/base/ime/win/tsf_event_router.h

Issue 24012002: Move Range code to gfx. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: d Created 7 years, 3 months ago
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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 UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_ 5 #ifndef UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_
6 #define UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_ 6 #define UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_
7 7
8 #include <atlbase.h> 8 #include <atlbase.h>
9 #include <atlcom.h> 9 #include <atlcom.h>
10 #include <msctf.h> 10 #include <msctf.h>
11 11
12 #include <set> 12 #include <set>
13 13
14 #include "base/basictypes.h" 14 #include "base/basictypes.h"
15 #include "base/callback.h" 15 #include "base/callback.h"
16 #include "base/compiler_specific.h" 16 #include "base/compiler_specific.h"
17 #include "ui/base/ime/text_input_type.h" 17 #include "ui/base/ime/text_input_type.h"
18 #include "ui/base/range/range.h"
19 #include "ui/base/ui_export.h" 18 #include "ui/base/ui_export.h"
19 #include "ui/gfx/range/range.h"
20 20
21 struct ITfDocumentMgr; 21 struct ITfDocumentMgr;
22 22
23 namespace ui { 23 namespace ui {
24 24
25 class TSFEventRouterObserver { 25 class TSFEventRouterObserver {
26 public: 26 public:
27 TSFEventRouterObserver() {} 27 TSFEventRouterObserver() {}
28 28
29 // Called when the number of currently opened candidate windows changes. 29 // Called when the number of currently opened candidate windows changes.
30 virtual void OnCandidateWindowCountChanged(size_t window_count) {} 30 virtual void OnCandidateWindowCountChanged(size_t window_count) {}
31 31
32 // Called when a composition is started. 32 // Called when a composition is started.
33 virtual void OnTSFStartComposition() {} 33 virtual void OnTSFStartComposition() {}
34 34
35 // Called when the text contents are updated. If there is no composition, 35 // Called when the text contents are updated. If there is no composition,
36 // ui::Range::InvalidRange is passed to |composition_range|. 36 // gfx::Range::InvalidRange is passed to |composition_range|.
37 virtual void OnTextUpdated(const ui::Range& composition_range) {} 37 virtual void OnTextUpdated(const gfx::Range& composition_range) {}
38 38
39 // Called when a composition is terminated. 39 // Called when a composition is terminated.
40 virtual void OnTSFEndComposition() {} 40 virtual void OnTSFEndComposition() {}
41 41
42 protected: 42 protected:
43 virtual ~TSFEventRouterObserver() {} 43 virtual ~TSFEventRouterObserver() {}
44 44
45 private: 45 private:
46 DISALLOW_COPY_AND_ASSIGN(TSFEventRouterObserver); 46 DISALLOW_COPY_AND_ASSIGN(TSFEventRouterObserver);
47 }; 47 };
48 48
49 // This class monitores TSF related events and forwards them to given 49 // This class monitores TSF related events and forwards them to given
50 // |observer|. 50 // |observer|.
51 class UI_EXPORT TSFEventRouter { 51 class UI_EXPORT TSFEventRouter {
52 public: 52 public:
53 // Do not pass NULL to |observer|. 53 // Do not pass NULL to |observer|.
54 explicit TSFEventRouter(TSFEventRouterObserver* observer); 54 explicit TSFEventRouter(TSFEventRouterObserver* observer);
55 virtual ~TSFEventRouter(); 55 virtual ~TSFEventRouter();
56 56
57 // Returns true if the IME is composing text. 57 // Returns true if the IME is composing text.
58 bool IsImeComposing(); 58 bool IsImeComposing();
59 59
60 // Callbacks from the TSFEventRouterDelegate: 60 // Callbacks from the TSFEventRouterDelegate:
61 void OnCandidateWindowCountChanged(size_t window_count); 61 void OnCandidateWindowCountChanged(size_t window_count);
62 void OnTSFStartComposition(); 62 void OnTSFStartComposition();
63 void OnTextUpdated(const ui::Range& composition_range); 63 void OnTextUpdated(const gfx::Range& composition_range);
64 void OnTSFEndComposition(); 64 void OnTSFEndComposition();
65 65
66 // Sets |thread_manager| to be monitored. |thread_manager| can be NULL. 66 // Sets |thread_manager| to be monitored. |thread_manager| can be NULL.
67 void SetManager(ITfThreadMgr* thread_manager); 67 void SetManager(ITfThreadMgr* thread_manager);
68 68
69 private: 69 private:
70 class Delegate; 70 class Delegate;
71 71
72 CComPtr<Delegate> delegate_; 72 CComPtr<Delegate> delegate_;
73 73
74 TSFEventRouterObserver* observer_; 74 TSFEventRouterObserver* observer_;
75 75
76 DISALLOW_COPY_AND_ASSIGN(TSFEventRouter); 76 DISALLOW_COPY_AND_ASSIGN(TSFEventRouter);
77 }; 77 };
78 78
79 } // namespace ui 79 } // namespace ui
80 80
81 #endif // UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_ 81 #endif // UI_BASE_IME_WIN_TSF_EVENT_ROUTER_H_
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