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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 "ash/system/ime/tray_ime.h" | |
6 | |
7 #include <vector> | |
8 | |
9 #include "ash/metrics/user_metrics_recorder.h" | |
10 #include "ash/root_window_controller.h" | |
11 #include "ash/session/session_state_delegate.h" | |
12 #include "ash/shelf/shelf_widget.h" | |
13 #include "ash/shell.h" | |
14 #include "ash/system/tray/hover_highlight_view.h" | |
15 #include "ash/system/tray/system_tray.h" | |
16 #include "ash/system/tray/system_tray_delegate.h" | |
17 #include "ash/system/tray/system_tray_notifier.h" | |
18 #include "ash/system/tray/tray_constants.h" | |
19 #include "ash/system/tray/tray_details_view.h" | |
20 #include "ash/system/tray/tray_item_more.h" | |
21 #include "ash/system/tray/tray_item_view.h" | |
22 #include "ash/system/tray/tray_utils.h" | |
23 #include "base/logging.h" | |
24 #include "base/strings/utf_string_conversions.h" | |
25 #include "grit/ash_resources.h" | |
26 #include "grit/ash_strings.h" | |
27 #include "ui/accessibility/ax_enums.h" | |
28 #include "ui/accessibility/ax_view_state.h" | |
29 #include "ui/base/resource/resource_bundle.h" | |
30 #include "ui/gfx/font.h" | |
31 #include "ui/gfx/image/image.h" | |
32 #include "ui/views/controls/label.h" | |
33 #include "ui/views/layout/box_layout.h" | |
34 #include "ui/views/widget/widget.h" | |
35 | |
36 namespace ash { | |
37 namespace tray { | |
38 | |
39 // A |HoverHighlightView| that uses bold or normal font depending on whetehr | |
40 // it is selected. This view exposes itself as a checkbox to the accessibility | |
41 // framework. | |
42 class SelectableHoverHighlightView : public HoverHighlightView { | |
43 public: | |
44 SelectableHoverHighlightView(ViewClickListener* listener, | |
45 const base::string16& label, | |
46 bool selected) | |
47 : HoverHighlightView(listener), selected_(selected) { | |
48 AddLabel( | |
49 label, gfx::ALIGN_LEFT, selected ? gfx::Font::BOLD : gfx::Font::NORMAL); | |
50 } | |
51 | |
52 ~SelectableHoverHighlightView() override {} | |
53 | |
54 protected: | |
55 // Overridden from views::View. | |
56 void GetAccessibleState(ui::AXViewState* state) override { | |
57 HoverHighlightView::GetAccessibleState(state); | |
58 state->role = ui::AX_ROLE_CHECK_BOX; | |
59 if (selected_) | |
60 state->AddStateFlag(ui::AX_STATE_CHECKED); | |
61 } | |
62 | |
63 private: | |
64 bool selected_; | |
65 | |
66 DISALLOW_COPY_AND_ASSIGN(SelectableHoverHighlightView); | |
67 }; | |
68 | |
69 class IMEDefaultView : public TrayItemMore { | |
70 public: | |
71 explicit IMEDefaultView(SystemTrayItem* owner) | |
72 : TrayItemMore(owner, true) { | |
73 ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); | |
74 | |
75 SetImage(bundle.GetImageNamed( | |
76 IDR_AURA_UBER_TRAY_IME).ToImageSkia()); | |
77 | |
78 IMEInfo info; | |
79 Shell::GetInstance()->system_tray_delegate()->GetCurrentIME(&info); | |
80 UpdateLabel(info); | |
81 } | |
82 | |
83 ~IMEDefaultView() override {} | |
84 | |
85 void UpdateLabel(const IMEInfo& info) { | |
86 SetLabel(info.name); | |
87 SetAccessibleName(info.name); | |
88 } | |
89 | |
90 private: | |
91 DISALLOW_COPY_AND_ASSIGN(IMEDefaultView); | |
92 }; | |
93 | |
94 class IMEDetailedView : public TrayDetailsView, | |
95 public ViewClickListener { | |
96 public: | |
97 IMEDetailedView(SystemTrayItem* owner, user::LoginStatus login) | |
98 : TrayDetailsView(owner), | |
99 login_(login) { | |
100 SystemTrayDelegate* delegate = Shell::GetInstance()->system_tray_delegate(); | |
101 IMEInfoList list; | |
102 delegate->GetAvailableIMEList(&list); | |
103 IMEPropertyInfoList property_list; | |
104 delegate->GetCurrentIMEProperties(&property_list); | |
105 Update(list, property_list); | |
106 } | |
107 | |
108 ~IMEDetailedView() override {} | |
109 | |
110 void Update(const IMEInfoList& list, | |
111 const IMEPropertyInfoList& property_list) { | |
112 Reset(); | |
113 | |
114 AppendIMEList(list); | |
115 if (!property_list.empty()) | |
116 AppendIMEProperties(property_list); | |
117 bool userAddingRunning = ash::Shell::GetInstance() | |
118 ->session_state_delegate() | |
119 ->IsInSecondaryLoginScreen(); | |
120 | |
121 if (login_ != user::LOGGED_IN_NONE && login_ != user::LOGGED_IN_LOCKED && | |
122 !userAddingRunning) | |
123 AppendSettings(); | |
124 AppendHeaderEntry(); | |
125 | |
126 Layout(); | |
127 SchedulePaint(); | |
128 } | |
129 | |
130 private: | |
131 void AppendHeaderEntry() { | |
132 CreateSpecialRow(IDS_ASH_STATUS_TRAY_IME, this); | |
133 } | |
134 | |
135 void AppendIMEList(const IMEInfoList& list) { | |
136 ime_map_.clear(); | |
137 CreateScrollableList(); | |
138 for (size_t i = 0; i < list.size(); i++) { | |
139 HoverHighlightView* container = new SelectableHoverHighlightView( | |
140 this, list[i].name, list[i].selected); | |
141 scroll_content()->AddChildView(container); | |
142 ime_map_[container] = list[i].id; | |
143 } | |
144 } | |
145 | |
146 void AppendIMEProperties(const IMEPropertyInfoList& property_list) { | |
147 property_map_.clear(); | |
148 for (size_t i = 0; i < property_list.size(); i++) { | |
149 HoverHighlightView* container = new SelectableHoverHighlightView( | |
150 this, property_list[i].name, property_list[i].selected); | |
151 if (i == 0) | |
152 container->SetBorder(views::Border::CreateSolidSidedBorder( | |
153 1, 0, 0, 0, kBorderLightColor)); | |
154 scroll_content()->AddChildView(container); | |
155 property_map_[container] = property_list[i].key; | |
156 } | |
157 } | |
158 | |
159 void AppendSettings() { | |
160 HoverHighlightView* container = new HoverHighlightView(this); | |
161 container->AddLabel( | |
162 ui::ResourceBundle::GetSharedInstance().GetLocalizedString( | |
163 IDS_ASH_STATUS_TRAY_IME_SETTINGS), | |
164 gfx::ALIGN_LEFT, | |
165 gfx::Font::NORMAL); | |
166 AddChildView(container); | |
167 settings_ = container; | |
168 } | |
169 | |
170 // Overridden from ViewClickListener. | |
171 void OnViewClicked(views::View* sender) override { | |
172 SystemTrayDelegate* delegate = Shell::GetInstance()->system_tray_delegate(); | |
173 if (sender == footer()->content()) { | |
174 TransitionToDefaultView(); | |
175 } else if (sender == settings_) { | |
176 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
177 ash::UMA_STATUS_AREA_IME_SHOW_DETAILED); | |
178 delegate->ShowIMESettings(); | |
179 } else { | |
180 std::map<views::View*, std::string>::const_iterator ime_find; | |
181 ime_find = ime_map_.find(sender); | |
182 if (ime_find != ime_map_.end()) { | |
183 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
184 ash::UMA_STATUS_AREA_IME_SWITCH_MODE); | |
185 std::string ime_id = ime_find->second; | |
186 delegate->SwitchIME(ime_id); | |
187 GetWidget()->Close(); | |
188 } else { | |
189 std::map<views::View*, std::string>::const_iterator prop_find; | |
190 prop_find = property_map_.find(sender); | |
191 if (prop_find != property_map_.end()) { | |
192 const std::string key = prop_find->second; | |
193 delegate->ActivateIMEProperty(key); | |
194 GetWidget()->Close(); | |
195 } | |
196 } | |
197 } | |
198 } | |
199 | |
200 user::LoginStatus login_; | |
201 | |
202 std::map<views::View*, std::string> ime_map_; | |
203 std::map<views::View*, std::string> property_map_; | |
204 views::View* settings_; | |
205 | |
206 DISALLOW_COPY_AND_ASSIGN(IMEDetailedView); | |
207 }; | |
208 | |
209 } // namespace tray | |
210 | |
211 TrayIME::TrayIME(SystemTray* system_tray) | |
212 : SystemTrayItem(system_tray), | |
213 tray_label_(NULL), | |
214 default_(NULL), | |
215 detailed_(NULL) { | |
216 Shell::GetInstance()->system_tray_notifier()->AddIMEObserver(this); | |
217 } | |
218 | |
219 TrayIME::~TrayIME() { | |
220 Shell::GetInstance()->system_tray_notifier()->RemoveIMEObserver(this); | |
221 } | |
222 | |
223 void TrayIME::UpdateTrayLabel(const IMEInfo& current, size_t count) { | |
224 if (tray_label_) { | |
225 bool visible = count > 1; | |
226 tray_label_->SetVisible(visible); | |
227 // Do not change label before hiding because this change is noticeable. | |
228 if (!visible) | |
229 return; | |
230 if (current.third_party) { | |
231 tray_label_->label()->SetText( | |
232 current.short_name + base::UTF8ToUTF16("*")); | |
233 } else { | |
234 tray_label_->label()->SetText(current.short_name); | |
235 } | |
236 SetTrayLabelItemBorder(tray_label_, system_tray()->shelf_alignment()); | |
237 tray_label_->Layout(); | |
238 } | |
239 } | |
240 | |
241 views::View* TrayIME::CreateTrayView(user::LoginStatus status) { | |
242 CHECK(tray_label_ == NULL); | |
243 tray_label_ = new TrayItemView(this); | |
244 tray_label_->CreateLabel(); | |
245 SetupLabelForTray(tray_label_->label()); | |
246 // Hide IME tray when it is created, it will be updated when it is notified | |
247 // for IME refresh event. | |
248 tray_label_->SetVisible(false); | |
249 return tray_label_; | |
250 } | |
251 | |
252 views::View* TrayIME::CreateDefaultView(user::LoginStatus status) { | |
253 SystemTrayDelegate* delegate = Shell::GetInstance()->system_tray_delegate(); | |
254 IMEInfoList list; | |
255 IMEPropertyInfoList property_list; | |
256 delegate->GetAvailableIMEList(&list); | |
257 delegate->GetCurrentIMEProperties(&property_list); | |
258 if (list.size() <= 1 && property_list.size() <= 1) | |
259 return NULL; | |
260 CHECK(default_ == NULL); | |
261 default_ = new tray::IMEDefaultView(this); | |
262 return default_; | |
263 } | |
264 | |
265 views::View* TrayIME::CreateDetailedView(user::LoginStatus status) { | |
266 CHECK(detailed_ == NULL); | |
267 detailed_ = new tray::IMEDetailedView(this, status); | |
268 return detailed_; | |
269 } | |
270 | |
271 void TrayIME::DestroyTrayView() { | |
272 tray_label_ = NULL; | |
273 } | |
274 | |
275 void TrayIME::DestroyDefaultView() { | |
276 default_ = NULL; | |
277 } | |
278 | |
279 void TrayIME::DestroyDetailedView() { | |
280 detailed_ = NULL; | |
281 } | |
282 | |
283 void TrayIME::UpdateAfterLoginStatusChange(user::LoginStatus status) { | |
284 } | |
285 | |
286 void TrayIME::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) { | |
287 SetTrayLabelItemBorder(tray_label_, alignment); | |
288 tray_label_->Layout(); | |
289 } | |
290 | |
291 void TrayIME::OnIMERefresh() { | |
292 SystemTrayDelegate* delegate = Shell::GetInstance()->system_tray_delegate(); | |
293 IMEInfoList list; | |
294 IMEInfo current; | |
295 IMEPropertyInfoList property_list; | |
296 delegate->GetCurrentIME(¤t); | |
297 delegate->GetAvailableIMEList(&list); | |
298 delegate->GetCurrentIMEProperties(&property_list); | |
299 | |
300 UpdateTrayLabel(current, list.size()); | |
301 | |
302 if (default_) | |
303 default_->UpdateLabel(current); | |
304 if (detailed_) | |
305 detailed_->Update(list, property_list); | |
306 } | |
307 | |
308 } // namespace ash | |
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