OLD | NEW |
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #include "chrome/browser/chromeos/login/wizard_accessibility_helper.h" | 5 #include "chrome/browser/chromeos/login/wizard_accessibility_helper.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/stl_util-inl.h" | 8 #include "base/stl_util-inl.h" |
9 #include "chrome/browser/browser_process.h" | 9 #include "chrome/browser/browser_process.h" |
10 #include "chrome/browser/extensions/extension_accessibility_api.h" | 10 #include "chrome/browser/extensions/extension_accessibility_api.h" |
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
67 registrar_.RemoveAll(); | 67 registrar_.RemoveAll(); |
68 registered_notifications_ = false; | 68 registered_notifications_ = false; |
69 } | 69 } |
70 | 70 |
71 bool WizardAccessibilityHelper::IsAccessibilityEnabled() { | 71 bool WizardAccessibilityHelper::IsAccessibilityEnabled() { |
72 return g_browser_process && | 72 return g_browser_process && |
73 g_browser_process->local_state()->GetBoolean( | 73 g_browser_process->local_state()->GetBoolean( |
74 prefs::kAccessibilityEnabled); | 74 prefs::kAccessibilityEnabled); |
75 } | 75 } |
76 | 76 |
77 void WizardAccessibilityHelper::MaybeEnableAccessibility( | |
78 views::View* view_tree) { | |
79 if (IsAccessibilityEnabled()) { | |
80 EnableAccessibilityForView(view_tree); | |
81 } else { | |
82 AddViewToBuffer(view_tree); | |
83 } | |
84 } | |
85 | |
86 void WizardAccessibilityHelper::MaybeSpeak(const char* str, bool queue, | 77 void WizardAccessibilityHelper::MaybeSpeak(const char* str, bool queue, |
87 bool interruptible) { | 78 bool interruptible) { |
88 if (IsAccessibilityEnabled()) { | 79 if (IsAccessibilityEnabled()) { |
89 accessibility_handler_->Speak(str, queue, interruptible); | 80 accessibility_handler_->Speak(str, queue, interruptible); |
90 } | 81 } |
91 } | 82 } |
92 | 83 |
93 void WizardAccessibilityHelper::EnableAccessibilityForView( | 84 void WizardAccessibilityHelper::ToggleAccessibility() { |
94 views::View* view_tree) { | |
95 VLOG(1) << "Enabling accessibility."; | |
96 if (!registered_notifications_) | |
97 RegisterNotifications(); | |
98 SetAccessibilityEnabled(true); | |
99 if (view_tree) { | |
100 AddViewToBuffer(view_tree); | |
101 // If accessibility pref is set, enable accessibility for all views in | |
102 // the buffer for which access is not yet enabled. | |
103 for (std::map<views::View*, bool>::iterator iter = | |
104 views_buffer_.begin(); | |
105 iter != views_buffer_.end(); ++iter) { | |
106 if (!(*iter).second) { | |
107 AccessibleViewHelper *helper = new AccessibleViewHelper((*iter).first, | |
108 profile_); | |
109 accessible_view_helpers_.push_back(helper); | |
110 (*iter).second = true; | |
111 } | |
112 } | |
113 } | |
114 } | |
115 | |
116 void WizardAccessibilityHelper::ToggleAccessibility(views::View* view_tree) { | |
117 if (!IsAccessibilityEnabled()) { | 85 if (!IsAccessibilityEnabled()) { |
118 EnableAccessibilityForView(view_tree); | 86 VLOG(1) << "Enabling accessibility."; |
| 87 if (!registered_notifications_) |
| 88 RegisterNotifications(); |
| 89 SetAccessibilityEnabled(true); |
119 } else { | 90 } else { |
120 SetAccessibilityEnabled(false); | 91 SetAccessibilityEnabled(false); |
121 if (registered_notifications_) | 92 if (registered_notifications_) |
122 UnregisterNotifications(); | 93 UnregisterNotifications(); |
123 } | 94 } |
124 } | 95 } |
125 | 96 |
126 void WizardAccessibilityHelper::SetAccessibilityEnabled(bool enabled) { | 97 void WizardAccessibilityHelper::SetAccessibilityEnabled(bool enabled) { |
127 bool doSpeak = (IsAccessibilityEnabled() != enabled); | 98 bool doSpeak = (IsAccessibilityEnabled() != enabled); |
128 if (g_browser_process) { | 99 if (g_browser_process) { |
129 PrefService* prefService = g_browser_process->local_state(); | 100 PrefService* prefService = g_browser_process->local_state(); |
130 prefService->SetBoolean(prefs::kAccessibilityEnabled, enabled); | 101 prefService->SetBoolean(prefs::kAccessibilityEnabled, enabled); |
131 prefService->ScheduleSavePersistentPrefs(); | 102 prefService->ScheduleSavePersistentPrefs(); |
132 } | 103 } |
133 ExtensionAccessibilityEventRouter::GetInstance()-> | 104 ExtensionAccessibilityEventRouter::GetInstance()-> |
134 SetAccessibilityEnabled(enabled); | 105 SetAccessibilityEnabled(enabled); |
135 if (doSpeak) { | 106 if (doSpeak) { |
136 accessibility_handler_->Speak(enabled ? | 107 accessibility_handler_->Speak(enabled ? |
137 l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_ENABLED).c_str() : | 108 l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_ENABLED).c_str() : |
138 l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_DISABLED).c_str(), | 109 l10n_util::GetStringUTF8(IDS_CHROMEOS_ACC_ACCESS_DISABLED).c_str(), |
139 false, true); | 110 false, true); |
140 } | 111 } |
141 } | 112 } |
142 | 113 |
143 void WizardAccessibilityHelper::AddViewToBuffer(views::View* view_tree) { | |
144 if (!view_tree->GetWidget()) | |
145 return; | |
146 bool view_exists = false; | |
147 // Check if the view is already queued for enabling accessibility. | |
148 // Prevent adding the same view in the buffer twice. | |
149 for (std::map<views::View*, bool>::iterator iter = views_buffer_.begin(); | |
150 iter != views_buffer_.end(); ++iter) { | |
151 if ((*iter).first == view_tree) { | |
152 view_exists = true; | |
153 break; | |
154 } | |
155 } | |
156 if (!view_exists) | |
157 views_buffer_[view_tree] = false; | |
158 } | |
159 | |
160 } // namespace chromeos | 114 } // namespace chromeos |
OLD | NEW |