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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/base/ime/ibus_client_impl.h" | |
6 | |
7 #include "base/basictypes.h" | |
8 #include "base/i18n/char_iterator.h" | |
9 #include "base/logging.h" | |
10 #include "base/utf_string_conversions.h" | |
11 #include "chromeos/dbus/dbus_thread_manager.h" | |
12 #include "chromeos/dbus/ibus/ibus_client.h" | |
13 #include "chromeos/dbus/ibus/ibus_input_context_client.h" | |
14 #include "ui/base/ime/composition_text.h" | |
15 #include "ui/gfx/rect.h" | |
16 | |
17 namespace ui { | |
18 namespace internal { | |
19 | |
20 namespace { | |
21 | |
22 const char kClientName[] = "chrome"; | |
23 | |
24 // Following capability mask is introduced from | |
25 // http://ibus.googlecode.com/svn/docs/ibus-1.4/ibus-ibustypes.html#IBusCapabili
te | |
26 const uint32 kIBusCapabilityPreeditText = 1U; | |
27 const uint32 kIBusCapabilityFocus = 8U; | |
28 | |
29 chromeos::IBusInputContextClient* GetInputContextClient() { | |
30 chromeos::IBusInputContextClient* client = | |
31 chromeos::DBusThreadManager::Get()->GetIBusInputContextClient(); | |
32 DCHECK(client->IsObjectProxyReady()); | |
33 return client; | |
34 } | |
35 | |
36 // TODO(nona): Move this function to InputMethodIBus | |
37 void CreateInputContextDone(IBusClientImpl::PendingCreateICRequest* ic_request, | |
38 const dbus::ObjectPath& object_path) { | |
39 chromeos::DBusThreadManager::Get()->GetIBusInputContextClient() | |
40 ->Initialize(chromeos::DBusThreadManager::Get()->GetIBusBus(), | |
41 object_path); | |
42 | |
43 ic_request->InitOrAbandonInputContext(); | |
44 delete ic_request; | |
45 } | |
46 | |
47 // TODO(nona): Move this function to InputMethodIBus | |
48 void CreateInputContextFail( | |
49 IBusClientImpl::PendingCreateICRequest* ic_request) { | |
50 ic_request->OnCreateInputContextFailed(); | |
51 delete ic_request; | |
52 } | |
53 | |
54 } // namespace | |
55 | |
56 IBusClientImpl::IBusClientImpl() { | |
57 } | |
58 | |
59 IBusClientImpl::~IBusClientImpl() { | |
60 } | |
61 | |
62 bool IBusClientImpl::IsConnected() { | |
63 return chromeos::DBusThreadManager::Get()->GetIBusBus() != NULL; | |
64 } | |
65 | |
66 bool IBusClientImpl::IsContextReady() { | |
67 if (!IsConnected()) | |
68 return false; | |
69 chromeos::IBusInputContextClient* input_context = | |
70 chromeos::DBusThreadManager::Get()->GetIBusInputContextClient(); | |
71 return input_context && input_context->IsObjectProxyReady(); | |
72 } | |
73 | |
74 void IBusClientImpl::CreateContext(PendingCreateICRequest* request) { | |
75 DCHECK(IsConnected()); | |
76 chromeos::DBusThreadManager::Get()->GetIBusClient()->CreateInputContext( | |
77 kClientName, | |
78 base::Bind(&CreateInputContextDone, | |
79 base::Unretained(request)), | |
80 base::Bind(&CreateInputContextFail, | |
81 base::Unretained(request))); | |
82 } | |
83 | |
84 void IBusClientImpl::DestroyProxy() { | |
85 GetInputContextClient()->ResetObjectProxy(); | |
86 } | |
87 | |
88 void IBusClientImpl::SetCapabilities(InlineCompositionCapability inline_type) { | |
89 // TODO(nona): support surrounding text. | |
90 uint32 capabilities = | |
91 inline_type == INLINE_COMPOSITION ? | |
92 kIBusCapabilityPreeditText | kIBusCapabilityFocus | |
93 : kIBusCapabilityFocus; | |
94 GetInputContextClient()->SetCapabilities(capabilities); | |
95 } | |
96 | |
97 void IBusClientImpl::FocusIn() { | |
98 GetInputContextClient()->FocusIn(); | |
99 } | |
100 | |
101 void IBusClientImpl::FocusOut() { | |
102 GetInputContextClient()->FocusOut(); | |
103 } | |
104 | |
105 void IBusClientImpl::Reset() { | |
106 GetInputContextClient()->Reset(); | |
107 } | |
108 | |
109 IBusClient::InputMethodType IBusClientImpl::GetInputMethodType() { | |
110 // This object cannot know the type of the current IME, hence return NORMAL. | |
111 return INPUT_METHOD_NORMAL; | |
112 } | |
113 | |
114 void IBusClientImpl::SetCursorLocation(const gfx::Rect& cursor_location, | |
115 const gfx::Rect& composition_head) { | |
116 GetInputContextClient()->SetCursorLocation(cursor_location.x(), | |
117 cursor_location.y(), | |
118 cursor_location.width(), | |
119 cursor_location.height()); | |
120 } | |
121 | |
122 void IBusClientImpl::SendKeyEvent( | |
123 uint32 keyval, | |
124 uint32 keycode, | |
125 uint32 state, | |
126 const chromeos::IBusInputContextClient::ProcessKeyEventCallback& callback) { | |
127 GetInputContextClient()->ProcessKeyEvent(keyval, keycode, state, callback); | |
128 } | |
129 | |
130 } // namespace internal | |
131 } // namespace ui | |
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