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Side by Side Diff: ash/common/system/chromeos/tray_caps_lock.cc

Issue 2732813002: chromeos: Move files in //ash/common to //ash, part 1 (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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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/common/system/chromeos/tray_caps_lock.h"
6
7 #include "ash/common/accessibility_delegate.h"
8 #include "ash/common/system/tray/actionable_view.h"
9 #include "ash/common/system/tray/system_tray_delegate.h"
10 #include "ash/common/system/tray/tray_constants.h"
11 #include "ash/common/system/tray/tray_popup_item_style.h"
12 #include "ash/common/system/tray/tray_popup_utils.h"
13 #include "ash/common/system/tray/tri_view.h"
14 #include "ash/common/wm_shell.h"
15 #include "ash/resources/grit/ash_resources.h"
16 #include "ash/resources/vector_icons/vector_icons.h"
17 #include "ash/strings/grit/ash_strings.h"
18 #include "base/sys_info.h"
19 #include "ui/accessibility/ax_node_data.h"
20 #include "ui/base/ime/chromeos/ime_keyboard.h"
21 #include "ui/base/ime/chromeos/input_method_manager.h"
22 #include "ui/base/l10n/l10n_util.h"
23 #include "ui/base/resource/resource_bundle.h"
24 #include "ui/gfx/image/image.h"
25 #include "ui/gfx/paint_vector_icon.h"
26 #include "ui/views/border.h"
27 #include "ui/views/controls/image_view.h"
28 #include "ui/views/controls/label.h"
29 #include "ui/views/layout/box_layout.h"
30 #include "ui/views/layout/fill_layout.h"
31 #include "ui/views/widget/widget.h"
32
33 namespace ash {
34 namespace {
35
36 // Padding used to position the caption in the caps lock default view row.
37 const int kCaptionRightPadding = 6;
38
39 bool CapsLockIsEnabled() {
40 chromeos::input_method::InputMethodManager* ime =
41 chromeos::input_method::InputMethodManager::Get();
42 return (ime && ime->GetImeKeyboard())
43 ? ime->GetImeKeyboard()->CapsLockIsEnabled()
44 : false;
45 }
46 }
47
48 class CapsLockDefaultView : public ActionableView {
49 public:
50 CapsLockDefaultView()
51 : ActionableView(nullptr, TrayPopupInkDropStyle::FILL_BOUNDS),
52 text_label_(TrayPopupUtils::CreateDefaultLabel()),
53 shortcut_label_(TrayPopupUtils::CreateDefaultLabel()) {
54 shortcut_label_->SetEnabled(false);
55
56 TriView* tri_view(TrayPopupUtils::CreateDefaultRowView());
57 SetLayoutManager(new views::FillLayout);
58 AddChildView(tri_view);
59
60 auto* image = TrayPopupUtils::CreateMainImageView();
61 image->SetEnabled(enabled());
62 TrayPopupItemStyle default_view_style(
63 TrayPopupItemStyle::FontStyle::DEFAULT_VIEW_LABEL);
64 image->SetImage(gfx::CreateVectorIcon(kSystemMenuCapsLockIcon,
65 default_view_style.GetIconColor()));
66 default_view_style.SetupLabel(text_label_);
67
68 TrayPopupItemStyle caption_style(TrayPopupItemStyle::FontStyle::CAPTION);
69 caption_style.SetupLabel(shortcut_label_);
70
71 SetInkDropMode(InkDropHostView::InkDropMode::ON);
72
73 tri_view->AddView(TriView::Container::START, image);
74 tri_view->AddView(TriView::Container::CENTER, text_label_);
75 tri_view->AddView(TriView::Container::END, shortcut_label_);
76 tri_view->SetContainerBorder(
77 TriView::Container::END,
78 views::CreateEmptyBorder(0, 0, 0, kCaptionRightPadding));
79 }
80
81 ~CapsLockDefaultView() override {}
82
83 // Updates the label text and the shortcut text.
84 void Update(bool caps_lock_enabled) {
85 const int text_string_id = caps_lock_enabled
86 ? IDS_ASH_STATUS_TRAY_CAPS_LOCK_ENABLED
87 : IDS_ASH_STATUS_TRAY_CAPS_LOCK_DISABLED;
88 text_label_->SetText(l10n_util::GetStringUTF16(text_string_id));
89
90 int shortcut_string_id = 0;
91 bool search_mapped_to_caps_lock =
92 WmShell::Get()->system_tray_delegate()->IsSearchKeyMappedToCapsLock();
93 if (caps_lock_enabled) {
94 shortcut_string_id =
95 search_mapped_to_caps_lock
96 ? IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_SEARCH_OR_SHIFT
97 : IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_ALT_SEARCH_OR_SHIFT;
98 } else {
99 shortcut_string_id =
100 search_mapped_to_caps_lock
101 ? IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_SEARCH
102 : IDS_ASH_STATUS_TRAY_CAPS_LOCK_SHORTCUT_ALT_SEARCH;
103 }
104 shortcut_label_->SetText(l10n_util::GetStringUTF16(shortcut_string_id));
105
106 Layout();
107 }
108
109 private:
110 void GetAccessibleNodeData(ui::AXNodeData* node_data) override {
111 node_data->role = ui::AX_ROLE_BUTTON;
112 node_data->SetName(text_label_->text());
113 }
114
115 // ActionableView:
116 bool PerformAction(const ui::Event& event) override {
117 chromeos::input_method::ImeKeyboard* keyboard =
118 chromeos::input_method::InputMethodManager::Get()->GetImeKeyboard();
119 if (keyboard) {
120 WmShell::Get()->RecordUserMetricsAction(
121 keyboard->CapsLockIsEnabled()
122 ? UMA_STATUS_AREA_CAPS_LOCK_DISABLED_BY_CLICK
123 : UMA_STATUS_AREA_CAPS_LOCK_ENABLED_BY_CLICK);
124 keyboard->SetCapsLockEnabled(!keyboard->CapsLockIsEnabled());
125 }
126 return true;
127 }
128
129 // It indicates whether the Caps Lock is on or off.
130 views::Label* text_label_;
131
132 // It indicates the shortcut can be used to turn on or turn off Caps Lock.
133 views::Label* shortcut_label_;
134
135 DISALLOW_COPY_AND_ASSIGN(CapsLockDefaultView);
136 };
137
138 TrayCapsLock::TrayCapsLock(SystemTray* system_tray)
139 : TrayImageItem(system_tray, kSystemTrayCapsLockIcon, UMA_CAPS_LOCK),
140 default_(nullptr),
141 detailed_(nullptr),
142 caps_lock_enabled_(CapsLockIsEnabled()),
143 message_shown_(false) {
144 chromeos::input_method::InputMethodManager* ime =
145 chromeos::input_method::InputMethodManager::Get();
146 if (ime && ime->GetImeKeyboard())
147 ime->GetImeKeyboard()->AddObserver(this);
148 }
149
150 TrayCapsLock::~TrayCapsLock() {
151 chromeos::input_method::InputMethodManager* ime =
152 chromeos::input_method::InputMethodManager::Get();
153 if (ime && ime->GetImeKeyboard())
154 ime->GetImeKeyboard()->RemoveObserver(this);
155 }
156
157 void TrayCapsLock::OnCapsLockChanged(bool enabled) {
158 caps_lock_enabled_ = enabled;
159
160 // Send an a11y alert.
161 WmShell::Get()->accessibility_delegate()->TriggerAccessibilityAlert(
162 enabled ? A11Y_ALERT_CAPS_ON : A11Y_ALERT_CAPS_OFF);
163
164 if (tray_view())
165 tray_view()->SetVisible(caps_lock_enabled_);
166
167 if (default_) {
168 default_->Update(caps_lock_enabled_);
169 } else {
170 if (caps_lock_enabled_) {
171 if (!message_shown_) {
172 WmShell::Get()->RecordUserMetricsAction(
173 UMA_STATUS_AREA_CAPS_LOCK_POPUP);
174 PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
175 message_shown_ = true;
176 }
177 } else if (detailed_) {
178 detailed_->GetWidget()->Close();
179 }
180 }
181 }
182
183 bool TrayCapsLock::GetInitialVisibility() {
184 return CapsLockIsEnabled();
185 }
186
187 views::View* TrayCapsLock::CreateDefaultView(LoginStatus status) {
188 if (!caps_lock_enabled_)
189 return nullptr;
190 DCHECK(!default_);
191 default_ = new CapsLockDefaultView;
192 default_->Update(caps_lock_enabled_);
193 return default_;
194 }
195
196 views::View* TrayCapsLock::CreateDetailedView(LoginStatus status) {
197 DCHECK(!detailed_);
198 detailed_ = new views::View;
199
200 detailed_->SetLayoutManager(new views::BoxLayout(
201 views::BoxLayout::kHorizontal, kTrayPopupPaddingHorizontal, 10,
202 kTrayPopupPaddingBetweenItems));
203
204 ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
205 views::ImageView* image = new views::ImageView;
206 image->SetImage(
207 CreateVectorIcon(kSystemMenuCapsLockIcon, kMenuIconSize, kMenuIconColor));
208 detailed_->AddChildView(image);
209
210 const int string_id =
211 WmShell::Get()->system_tray_delegate()->IsSearchKeyMappedToCapsLock()
212 ? IDS_ASH_STATUS_TRAY_CAPS_LOCK_CANCEL_BY_SEARCH
213 : IDS_ASH_STATUS_TRAY_CAPS_LOCK_CANCEL_BY_ALT_SEARCH;
214 views::Label* label = TrayPopupUtils::CreateDefaultLabel();
215 label->SetText(bundle.GetLocalizedString(string_id));
216 label->SetMultiLine(true);
217 label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
218 detailed_->AddChildView(label);
219 WmShell::Get()->RecordUserMetricsAction(UMA_STATUS_AREA_CAPS_LOCK_DETAILED);
220
221 return detailed_;
222 }
223
224 void TrayCapsLock::DestroyDefaultView() {
225 default_ = nullptr;
226 }
227
228 void TrayCapsLock::DestroyDetailedView() {
229 detailed_ = nullptr;
230 }
231
232 } // namespace ash
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