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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_handler.h" | 5 #include "chrome/browser/chromeos/login/wizard_accessibility_handler.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/i18n/char_iterator.h" | 9 #include "base/i18n/char_iterator.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/string_number_conversions.h" | 12 #include "base/string_number_conversions.h" |
| 13 #include "chrome/browser/accessibility_events.h" | 13 #include "chrome/browser/accessibility_events.h" |
| 14 #include "chrome/browser/chromeos/cros/cros_library.h" | 14 #include "chrome/browser/chromeos/cros/cros_library.h" |
| 15 #include "chrome/browser/chromeos/cros/speech_synthesis_library.h" | 15 #include "chrome/browser/chromeos/cros/speech_synthesis_library.h" |
| 16 #include "chrome/browser/extensions/extension_accessibility_api.h" | 16 #include "chrome/browser/extensions/extension_accessibility_api.h" |
| 17 #include "chrome/browser/extensions/extension_accessibility_api_constants.h" | 17 #include "chrome/browser/extensions/extension_accessibility_api_constants.h" |
| 18 #include "chrome/browser/profiles/profile_manager.h" | 18 #include "chrome/browser/profiles/profile_manager.h" |
| 19 #include "chrome/common/chrome_notification_types.h" |
| 19 #include "content/common/notification_details.h" | 20 #include "content/common/notification_details.h" |
| 20 #include "content/common/notification_source.h" | 21 #include "content/common/notification_source.h" |
| 21 #include "grit/generated_resources.h" | 22 #include "grit/generated_resources.h" |
| 22 #include "ui/base/l10n/l10n_util.h" | 23 #include "ui/base/l10n/l10n_util.h" |
| 23 | 24 |
| 24 namespace keys = extension_accessibility_api_constants; | 25 namespace keys = extension_accessibility_api_constants; |
| 25 | 26 |
| 26 namespace { | 27 namespace { |
| 27 | 28 |
| 28 static std::string SubstringUTF8(std::string str, int start, int len) { | 29 static std::string SubstringUTF8(std::string str, int start, int len) { |
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| 93 AppendUtterance(l10n_util::GetStringFUTF8(IDS_CHROMEOS_ACC_INDEX_OF_COUNT, | 94 AppendUtterance(l10n_util::GetStringFUTF8(IDS_CHROMEOS_ACC_INDEX_OF_COUNT, |
| 94 index_str, | 95 index_str, |
| 95 count_str), str); | 96 count_str), str); |
| 96 } | 97 } |
| 97 | 98 |
| 98 } // anonymous namespace | 99 } // anonymous namespace |
| 99 | 100 |
| 100 namespace chromeos { | 101 namespace chromeos { |
| 101 | 102 |
| 102 void WizardAccessibilityHandler::Observe( | 103 void WizardAccessibilityHandler::Observe( |
| 103 NotificationType type, | 104 int type, |
| 104 const NotificationSource& source, | 105 const NotificationSource& source, |
| 105 const NotificationDetails& details) { | 106 const NotificationDetails& details) { |
| 106 const AccessibilityControlInfo *control_info = | 107 const AccessibilityControlInfo *control_info = |
| 107 Details<const AccessibilityControlInfo>(details).ptr(); | 108 Details<const AccessibilityControlInfo>(details).ptr(); |
| 108 std::string description; | 109 std::string description; |
| 109 EarconType earcon = NO_EARCON; | 110 EarconType earcon = NO_EARCON; |
| 110 DescribeAccessibilityEvent(type, control_info, &description, &earcon); | 111 DescribeAccessibilityEvent(type, control_info, &description, &earcon); |
| 111 Speak(description.c_str(), false, true); | 112 Speak(description.c_str(), false, true); |
| 112 } | 113 } |
| 113 | 114 |
| 114 void WizardAccessibilityHandler::Speak(const char* speak_str, | 115 void WizardAccessibilityHandler::Speak(const char* speak_str, |
| 115 bool queue, | 116 bool queue, |
| 116 bool interruptible) { | 117 bool interruptible) { |
| 117 if (chromeos::CrosLibrary::Get()->EnsureLoaded()) { | 118 if (chromeos::CrosLibrary::Get()->EnsureLoaded()) { |
| 118 if (queue || !interruptible) { | 119 if (queue || !interruptible) { |
| 119 std::string props = ""; | 120 std::string props = ""; |
| 120 props.append("enqueue="); | 121 props.append("enqueue="); |
| 121 props.append(queue ? "1;" : "0;"); | 122 props.append(queue ? "1;" : "0;"); |
| 122 props.append("interruptible="); | 123 props.append("interruptible="); |
| 123 props.append(interruptible ? "1;" : "0;"); | 124 props.append(interruptible ? "1;" : "0;"); |
| 124 chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()-> | 125 chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()-> |
| 125 SetSpeakProperties(props.c_str()); | 126 SetSpeakProperties(props.c_str()); |
| 126 } | 127 } |
| 127 chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()-> | 128 chromeos::CrosLibrary::Get()->GetSpeechSynthesisLibrary()-> |
| 128 Speak(speak_str); | 129 Speak(speak_str); |
| 129 } | 130 } |
| 130 } | 131 } |
| 131 | 132 |
| 132 void WizardAccessibilityHandler::DescribeAccessibilityEvent( | 133 void WizardAccessibilityHandler::DescribeAccessibilityEvent( |
| 133 NotificationType event_type, | 134 int event_type, |
| 134 const AccessibilityControlInfo* control_info, | 135 const AccessibilityControlInfo* control_info, |
| 135 std::string* out_spoken_description, | 136 std::string* out_spoken_description, |
| 136 EarconType* out_earcon) { | 137 EarconType* out_earcon) { |
| 137 *out_spoken_description = std::string(); | 138 *out_spoken_description = std::string(); |
| 138 *out_earcon = NO_EARCON; | 139 *out_earcon = NO_EARCON; |
| 139 | 140 |
| 140 switch (event_type.value) { | 141 switch (event_type) { |
| 141 case NotificationType::ACCESSIBILITY_CONTROL_FOCUSED: | 142 case chrome::NOTIFICATION_ACCESSIBILITY_CONTROL_FOCUSED: |
| 142 DescribeControl(control_info, false, out_spoken_description, out_earcon); | 143 DescribeControl(control_info, false, out_spoken_description, out_earcon); |
| 143 break; | 144 break; |
| 144 case NotificationType::ACCESSIBILITY_CONTROL_ACTION: | 145 case chrome::NOTIFICATION_ACCESSIBILITY_CONTROL_ACTION: |
| 145 DescribeControl(control_info, true, out_spoken_description, out_earcon); | 146 DescribeControl(control_info, true, out_spoken_description, out_earcon); |
| 146 break; | 147 break; |
| 147 case NotificationType::ACCESSIBILITY_TEXT_CHANGED: | 148 case chrome::NOTIFICATION_ACCESSIBILITY_TEXT_CHANGED: |
| 148 DescribeTextChanged(control_info, out_spoken_description, out_earcon); | 149 DescribeTextChanged(control_info, out_spoken_description, out_earcon); |
| 149 break; | 150 break; |
| 150 case NotificationType::ACCESSIBILITY_MENU_OPENED: | 151 case chrome::NOTIFICATION_ACCESSIBILITY_MENU_OPENED: |
| 151 *out_earcon = EARCON_OBJECT_OPENED; | 152 *out_earcon = EARCON_OBJECT_OPENED; |
| 152 break; | 153 break; |
| 153 case NotificationType::ACCESSIBILITY_MENU_CLOSED: | 154 case chrome::NOTIFICATION_ACCESSIBILITY_MENU_CLOSED: |
| 154 *out_earcon = EARCON_OBJECT_CLOSED; | 155 *out_earcon = EARCON_OBJECT_CLOSED; |
| 155 break; | 156 break; |
| 156 default: | 157 default: |
| 157 NOTREACHED(); | 158 NOTREACHED(); |
| 158 return; | 159 return; |
| 159 } | 160 } |
| 160 | 161 |
| 161 if (control_info->type() == keys::kTypeTextBox) { | 162 if (control_info->type() == keys::kTypeTextBox) { |
| 162 const AccessibilityTextBoxInfo* text_box = | 163 const AccessibilityTextBoxInfo* text_box = |
| 163 static_cast<const AccessibilityTextBoxInfo*>(control_info); | 164 static_cast<const AccessibilityTextBoxInfo*>(control_info); |
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| 436 } else if (!inserted.empty()) { | 437 } else if (!inserted.empty()) { |
| 437 // Speak inserted text. | 438 // Speak inserted text. |
| 438 AppendUtterance(inserted, out_spoken_description); | 439 AppendUtterance(inserted, out_spoken_description); |
| 439 } else if (!deleted.empty()) { | 440 } else if (!deleted.empty()) { |
| 440 // Speak deleted text. | 441 // Speak deleted text. |
| 441 AppendUtterance(deleted, out_spoken_description); | 442 AppendUtterance(deleted, out_spoken_description); |
| 442 } | 443 } |
| 443 } | 444 } |
| 444 | 445 |
| 445 } // namespace chromeos | 446 } // namespace chromeos |
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