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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_chromeos.h" | |
6 | |
7 #include <vector> | |
8 | |
9 #include "ash/common/session/session_state_delegate.h" | |
10 #include "ash/common/system/tray/hover_highlight_view.h" | |
11 #include "ash/common/system/tray/system_tray_delegate.h" | |
12 #include "ash/common/system/tray/tray_constants.h" | |
13 #include "ash/common/system/tray/tray_details_view.h" | |
14 #include "ash/common/system/tray/tray_item_more.h" | |
15 #include "ash/common/system/tray/tray_item_view.h" | |
16 #include "ash/common/system/tray/tray_utils.h" | |
17 #include "ash/common/system/tray/wm_system_tray_notifier.h" | |
18 #include "ash/common/system/tray_accessibility.h" | |
19 #include "ash/common/wm_shell.h" | |
20 #include "ash/metrics/user_metrics_recorder.h" | |
21 #include "ash/root_window_controller.h" | |
22 #include "ash/shell.h" | |
23 #include "ash/system/tray/system_tray.h" | |
24 #include "ash/system/tray/system_tray_notifier.h" | |
25 #include "ash/virtual_keyboard_controller.h" | |
26 #include "base/logging.h" | |
27 #include "base/strings/utf_string_conversions.h" | |
28 #include "grit/ash_resources.h" | |
29 #include "grit/ash_strings.h" | |
30 #include "ui/accessibility/ax_enums.h" | |
31 #include "ui/accessibility/ax_view_state.h" | |
32 #include "ui/base/resource/resource_bundle.h" | |
33 #include "ui/gfx/font.h" | |
34 #include "ui/gfx/image/image.h" | |
35 #include "ui/keyboard/keyboard_util.h" | |
36 #include "ui/views/controls/label.h" | |
37 #include "ui/views/layout/box_layout.h" | |
38 #include "ui/views/widget/widget.h" | |
39 | |
40 namespace ash { | |
41 namespace tray { | |
42 | |
43 // A |HoverHighlightView| that uses bold or normal font depending on whether | |
44 // it is selected. This view exposes itself as a checkbox to the accessibility | |
45 // framework. | |
46 class SelectableHoverHighlightView : public HoverHighlightView { | |
47 public: | |
48 SelectableHoverHighlightView(ViewClickListener* listener, | |
49 const base::string16& label, | |
50 bool selected) | |
51 : HoverHighlightView(listener), selected_(selected) { | |
52 AddLabel(label, gfx::ALIGN_LEFT, selected); | |
53 } | |
54 | |
55 ~SelectableHoverHighlightView() override {} | |
56 | |
57 protected: | |
58 // Overridden from views::View. | |
59 void GetAccessibleState(ui::AXViewState* state) override { | |
60 HoverHighlightView::GetAccessibleState(state); | |
61 state->role = ui::AX_ROLE_CHECK_BOX; | |
62 if (selected_) | |
63 state->AddStateFlag(ui::AX_STATE_CHECKED); | |
64 } | |
65 | |
66 private: | |
67 bool selected_; | |
68 | |
69 DISALLOW_COPY_AND_ASSIGN(SelectableHoverHighlightView); | |
70 }; | |
71 | |
72 class IMEDefaultView : public TrayItemMore { | |
73 public: | |
74 explicit IMEDefaultView(SystemTrayItem* owner, const base::string16& label) | |
75 : TrayItemMore(owner, true) { | |
76 ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); | |
77 SetImage(bundle.GetImageNamed(IDR_AURA_UBER_TRAY_IME).ToImageSkia()); | |
78 UpdateLabel(label); | |
79 } | |
80 | |
81 ~IMEDefaultView() override {} | |
82 | |
83 void UpdateLabel(const base::string16& label) { | |
84 SetLabel(label); | |
85 SetAccessibleName(label); | |
86 } | |
87 | |
88 private: | |
89 DISALLOW_COPY_AND_ASSIGN(IMEDefaultView); | |
90 }; | |
91 | |
92 class IMEDetailedView : public TrayDetailsView, public ViewClickListener { | |
93 public: | |
94 IMEDetailedView(SystemTrayItem* owner, | |
95 LoginStatus login, | |
96 bool show_keyboard_toggle) | |
97 : TrayDetailsView(owner), login_(login) { | |
98 SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate(); | |
99 IMEInfoList list; | |
100 delegate->GetAvailableIMEList(&list); | |
101 IMEPropertyInfoList property_list; | |
102 delegate->GetCurrentIMEProperties(&property_list); | |
103 Update(list, property_list, show_keyboard_toggle); | |
104 } | |
105 | |
106 ~IMEDetailedView() override {} | |
107 | |
108 void Update(const IMEInfoList& list, | |
109 const IMEPropertyInfoList& property_list, | |
110 bool show_keyboard_toggle) { | |
111 Reset(); | |
112 ime_map_.clear(); | |
113 property_map_.clear(); | |
114 CreateScrollableList(); | |
115 | |
116 if (list.size() > 1) | |
117 AppendIMEList(list); | |
118 if (!property_list.empty()) | |
119 AppendIMEProperties(property_list); | |
120 | |
121 if (show_keyboard_toggle) { | |
122 if (list.size() > 1 || !property_list.empty()) | |
123 AddScrollSeparator(); | |
124 AppendKeyboardStatus(); | |
125 } | |
126 | |
127 bool userAddingRunning = ash::Shell::GetInstance() | |
128 ->session_state_delegate() | |
129 ->IsInSecondaryLoginScreen(); | |
130 if (login_ != LoginStatus::NOT_LOGGED_IN && login_ != LoginStatus::LOCKED && | |
131 !userAddingRunning) | |
132 AppendSettings(); | |
133 AppendHeaderEntry(); | |
134 | |
135 Layout(); | |
136 SchedulePaint(); | |
137 } | |
138 | |
139 private: | |
140 void AppendHeaderEntry() { CreateSpecialRow(IDS_ASH_STATUS_TRAY_IME, this); } | |
141 | |
142 // Appends the IMEs to the scrollable area of the detailed view. | |
143 void AppendIMEList(const IMEInfoList& list) { | |
144 DCHECK(ime_map_.empty()); | |
145 for (size_t i = 0; i < list.size(); i++) { | |
146 HoverHighlightView* container = new SelectableHoverHighlightView( | |
147 this, list[i].name, list[i].selected); | |
148 scroll_content()->AddChildView(container); | |
149 ime_map_[container] = list[i].id; | |
150 } | |
151 } | |
152 | |
153 // Appends the IME listed to the scrollable area of the detailed | |
154 // view. | |
155 void AppendIMEProperties(const IMEPropertyInfoList& property_list) { | |
156 DCHECK(property_map_.empty()); | |
157 for (size_t i = 0; i < property_list.size(); i++) { | |
158 HoverHighlightView* container = new SelectableHoverHighlightView( | |
159 this, property_list[i].name, property_list[i].selected); | |
160 if (i == 0) | |
161 container->SetBorder(views::Border::CreateSolidSidedBorder( | |
162 1, 0, 0, 0, kBorderLightColor)); | |
163 scroll_content()->AddChildView(container); | |
164 property_map_[container] = property_list[i].key; | |
165 } | |
166 } | |
167 | |
168 void AppendKeyboardStatus() { | |
169 HoverHighlightView* container = new HoverHighlightView(this); | |
170 int id = keyboard::IsKeyboardEnabled() | |
171 ? IDS_ASH_STATUS_TRAY_DISABLE_KEYBOARD | |
172 : IDS_ASH_STATUS_TRAY_ENABLE_KEYBOARD; | |
173 container->AddLabel( | |
174 ui::ResourceBundle::GetSharedInstance().GetLocalizedString(id), | |
175 gfx::ALIGN_LEFT, false /* highlight */); | |
176 scroll_content()->AddChildView(container); | |
177 keyboard_status_ = container; | |
178 } | |
179 | |
180 void AppendSettings() { | |
181 HoverHighlightView* container = new HoverHighlightView(this); | |
182 container->AddLabel( | |
183 ui::ResourceBundle::GetSharedInstance().GetLocalizedString( | |
184 IDS_ASH_STATUS_TRAY_IME_SETTINGS), | |
185 gfx::ALIGN_LEFT, false /* highlight */); | |
186 AddChildView(container); | |
187 settings_ = container; | |
188 } | |
189 | |
190 // Overridden from ViewClickListener. | |
191 void OnViewClicked(views::View* sender) override { | |
192 SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate(); | |
193 if (sender == footer()->content()) { | |
194 TransitionToDefaultView(); | |
195 } else if (sender == settings_) { | |
196 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
197 ash::UMA_STATUS_AREA_IME_SHOW_DETAILED); | |
198 delegate->ShowIMESettings(); | |
199 } else if (sender == keyboard_status_) { | |
200 Shell::GetInstance()->virtual_keyboard_controller() | |
201 ->ToggleIgnoreExternalKeyboard(); | |
202 } else { | |
203 std::map<views::View*, std::string>::const_iterator ime_find; | |
204 ime_find = ime_map_.find(sender); | |
205 if (ime_find != ime_map_.end()) { | |
206 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
207 ash::UMA_STATUS_AREA_IME_SWITCH_MODE); | |
208 std::string ime_id = ime_find->second; | |
209 delegate->SwitchIME(ime_id); | |
210 GetWidget()->Close(); | |
211 } else { | |
212 std::map<views::View*, std::string>::const_iterator prop_find; | |
213 prop_find = property_map_.find(sender); | |
214 if (prop_find != property_map_.end()) { | |
215 const std::string key = prop_find->second; | |
216 delegate->ActivateIMEProperty(key); | |
217 GetWidget()->Close(); | |
218 } | |
219 } | |
220 } | |
221 } | |
222 | |
223 LoginStatus login_; | |
224 | |
225 std::map<views::View*, std::string> ime_map_; | |
226 std::map<views::View*, std::string> property_map_; | |
227 views::View* settings_; | |
228 views::View* keyboard_status_; | |
229 | |
230 DISALLOW_COPY_AND_ASSIGN(IMEDetailedView); | |
231 }; | |
232 | |
233 } // namespace tray | |
234 | |
235 TrayIME::TrayIME(SystemTray* system_tray) | |
236 : SystemTrayItem(system_tray), | |
237 tray_label_(NULL), | |
238 default_(NULL), | |
239 detailed_(NULL), | |
240 keyboard_suppressed_(false), | |
241 is_visible_(true) { | |
242 Shell::GetInstance()->system_tray_notifier()->AddIMEObserver(this); | |
243 Shell::GetInstance()->system_tray_notifier()->AddVirtualKeyboardObserver( | |
244 this); | |
245 WmShell::Get()->system_tray_notifier()->AddAccessibilityObserver(this); | |
246 } | |
247 | |
248 TrayIME::~TrayIME() { | |
249 Shell::GetInstance()->system_tray_notifier()->RemoveIMEObserver(this); | |
250 WmShell::Get()->system_tray_notifier()->RemoveAccessibilityObserver(this); | |
251 Shell::GetInstance()->system_tray_notifier()->RemoveVirtualKeyboardObserver( | |
252 this); | |
253 } | |
254 | |
255 void TrayIME::OnKeyboardSuppressionChanged(bool suppressed) { | |
256 keyboard_suppressed_ = suppressed; | |
257 Update(); | |
258 } | |
259 | |
260 void TrayIME::OnAccessibilityModeChanged( | |
261 AccessibilityNotificationVisibility notify) { | |
262 Update(); | |
263 } | |
264 | |
265 void TrayIME::Update() { | |
266 UpdateTrayLabel(current_ime_, ime_list_.size()); | |
267 if (default_) { | |
268 default_->SetVisible(ShouldDefaultViewBeVisible()); | |
269 default_->UpdateLabel(GetDefaultViewLabel(ime_list_.size() > 1)); | |
270 } | |
271 if (detailed_) | |
272 detailed_->Update(ime_list_, property_list_, ShouldShowKeyboardToggle()); | |
273 } | |
274 | |
275 void TrayIME::UpdateTrayLabel(const IMEInfo& current, size_t count) { | |
276 if (tray_label_) { | |
277 bool visible = count > 1 && is_visible_; | |
278 tray_label_->SetVisible(visible); | |
279 // Do not change label before hiding because this change is noticeable. | |
280 if (!visible) | |
281 return; | |
282 if (current.third_party) { | |
283 tray_label_->label()->SetText(current.short_name + | |
284 base::UTF8ToUTF16("*")); | |
285 } else { | |
286 tray_label_->label()->SetText(current.short_name); | |
287 } | |
288 SetTrayLabelItemBorder(tray_label_, system_tray()->shelf_alignment()); | |
289 tray_label_->Layout(); | |
290 } | |
291 } | |
292 | |
293 bool TrayIME::ShouldShowKeyboardToggle() { | |
294 return keyboard_suppressed_ && | |
295 !Shell::GetInstance() | |
296 ->accessibility_delegate() | |
297 ->IsVirtualKeyboardEnabled(); | |
298 } | |
299 | |
300 base::string16 TrayIME::GetDefaultViewLabel(bool show_ime_label) { | |
301 if (show_ime_label) { | |
302 IMEInfo current; | |
303 WmShell::Get()->system_tray_delegate()->GetCurrentIME(¤t); | |
304 return current.name; | |
305 } else { | |
306 // Display virtual keyboard status instead. | |
307 int id = keyboard::IsKeyboardEnabled() | |
308 ? IDS_ASH_STATUS_TRAY_KEYBOARD_ENABLED | |
309 : IDS_ASH_STATUS_TRAY_KEYBOARD_DISABLED; | |
310 return ui::ResourceBundle::GetSharedInstance().GetLocalizedString(id); | |
311 } | |
312 } | |
313 | |
314 views::View* TrayIME::CreateTrayView(LoginStatus status) { | |
315 CHECK(tray_label_ == NULL); | |
316 tray_label_ = new TrayItemView(this); | |
317 tray_label_->CreateLabel(); | |
318 SetupLabelForTray(tray_label_->label()); | |
319 // Hide IME tray when it is created, it will be updated when it is notified | |
320 // of the IME refresh event. | |
321 tray_label_->SetVisible(false); | |
322 return tray_label_; | |
323 } | |
324 | |
325 views::View* TrayIME::CreateDefaultView(LoginStatus status) { | |
326 CHECK(default_ == NULL); | |
327 default_ = | |
328 new tray::IMEDefaultView(this, GetDefaultViewLabel(ime_list_.size() > 1)); | |
329 default_->SetVisible(ShouldDefaultViewBeVisible()); | |
330 return default_; | |
331 } | |
332 | |
333 views::View* TrayIME::CreateDetailedView(LoginStatus status) { | |
334 CHECK(detailed_ == NULL); | |
335 detailed_ = | |
336 new tray::IMEDetailedView(this, status, ShouldShowKeyboardToggle()); | |
337 return detailed_; | |
338 } | |
339 | |
340 void TrayIME::DestroyTrayView() { | |
341 tray_label_ = NULL; | |
342 } | |
343 | |
344 void TrayIME::DestroyDefaultView() { | |
345 default_ = NULL; | |
346 } | |
347 | |
348 void TrayIME::DestroyDetailedView() { | |
349 detailed_ = NULL; | |
350 } | |
351 | |
352 void TrayIME::UpdateAfterLoginStatusChange(LoginStatus status) {} | |
353 | |
354 void TrayIME::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) { | |
355 SetTrayLabelItemBorder(tray_label_, alignment); | |
356 tray_label_->Layout(); | |
357 } | |
358 | |
359 void TrayIME::OnIMERefresh() { | |
360 // Caches the current ime state. | |
361 SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate(); | |
362 ime_list_.clear(); | |
363 property_list_.clear(); | |
364 delegate->GetCurrentIME(¤t_ime_); | |
365 delegate->GetAvailableIMEList(&ime_list_); | |
366 delegate->GetCurrentIMEProperties(&property_list_); | |
367 | |
368 Update(); | |
369 } | |
370 | |
371 void TrayIME::OnIMEMenuActivationChanged(bool is_active) { | |
372 is_visible_ = !is_active; | |
373 if (is_visible_) | |
374 OnIMERefresh(); | |
375 else | |
376 Update(); | |
377 } | |
378 | |
379 bool TrayIME::ShouldDefaultViewBeVisible() { | |
380 return is_visible_ && (ime_list_.size() > 1 || property_list_.size() > 1 || | |
381 ShouldShowKeyboardToggle()); | |
382 } | |
383 | |
384 } // namespace ash | |
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