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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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/accessibility/accessibility_util.h" | 5 #include "chrome/browser/chromeos/accessibility/accessibility_util.h" |
6 | 6 |
7 #include <queue> | 7 #include <queue> |
8 | 8 |
9 #include "ash/high_contrast/high_contrast_controller.h" | 9 #include "ash/high_contrast/high_contrast_controller.h" |
10 #include "ash/magnifier/magnification_controller.h" | 10 #include "ash/magnifier/magnification_controller.h" |
11 #include "ash/magnifier/partial_magnification_controller.h" | 11 #include "ash/magnifier/partial_magnification_controller.h" |
12 #include "ash/shell.h" | 12 #include "ash/shell.h" |
13 #include "base/bind.h" | 13 #include "base/bind.h" |
14 #include "base/bind_helpers.h" | 14 #include "base/bind_helpers.h" |
15 #include "base/logging.h" | 15 #include "base/logging.h" |
16 #include "chrome/browser/accessibility/accessibility_extension_api.h" | 16 #include "chrome/browser/accessibility/accessibility_extension_api.h" |
17 #include "chrome/browser/browser_process.h" | 17 #include "chrome/browser/browser_process.h" |
| 18 #include "chrome/browser/chromeos/accessibility/magnification_manager.h" |
18 #include "chrome/browser/extensions/component_loader.h" | 19 #include "chrome/browser/extensions/component_loader.h" |
19 #include "chrome/browser/extensions/extension_service.h" | 20 #include "chrome/browser/extensions/extension_service.h" |
20 #include "chrome/browser/extensions/file_reader.h" | 21 #include "chrome/browser/extensions/file_reader.h" |
21 #include "chrome/browser/prefs/pref_service.h" | 22 #include "chrome/browser/prefs/pref_service.h" |
22 #include "chrome/browser/profiles/profile.h" | 23 #include "chrome/browser/profiles/profile.h" |
23 #include "chrome/browser/profiles/profile_manager.h" | 24 #include "chrome/browser/profiles/profile_manager.h" |
24 #include "chrome/browser/speech/extension_api/tts_extension_api_controller.h" | 25 #include "chrome/browser/speech/extension_api/tts_extension_api_controller.h" |
25 #include "chrome/common/extensions/extension.h" | 26 #include "chrome/common/extensions/extension.h" |
26 #include "chrome/common/extensions/extension_messages.h" | 27 #include "chrome/common/extensions/extension_messages.h" |
27 #include "chrome/common/extensions/extension_resource.h" | 28 #include "chrome/common/extensions/extension_resource.h" |
28 #include "chrome/common/extensions/user_script.h" | 29 #include "chrome/common/extensions/user_script.h" |
29 #include "chrome/common/pref_names.h" | 30 #include "chrome/common/pref_names.h" |
30 #include "content/public/browser/render_process_host.h" | 31 #include "content/public/browser/render_process_host.h" |
31 #include "content/public/browser/render_view_host.h" | 32 #include "content/public/browser/render_view_host.h" |
32 #include "content/public/browser/web_contents.h" | 33 #include "content/public/browser/web_contents.h" |
33 #include "content/public/browser/web_ui.h" | 34 #include "content/public/browser/web_ui.h" |
34 #include "grit/browser_resources.h" | 35 #include "grit/browser_resources.h" |
35 #include "grit/generated_resources.h" | 36 #include "grit/generated_resources.h" |
36 #include "ui/base/l10n/l10n_util.h" | 37 #include "ui/base/l10n/l10n_util.h" |
37 #include "ui/base/resource/resource_bundle.h" | 38 #include "ui/base/resource/resource_bundle.h" |
38 | 39 |
39 using content::RenderViewHost; | 40 using content::RenderViewHost; |
40 | 41 |
41 namespace { | |
42 const char kScreenMagnifierOff[] = ""; | |
43 const char kScreenMagnifierFull[] = "full"; | |
44 const char kScreenMagnifierPartial[] = "partial"; | |
45 } | |
46 | |
47 | |
48 namespace chromeos { | 42 namespace chromeos { |
49 namespace accessibility { | 43 namespace accessibility { |
50 | 44 |
| 45 const char kScreenMagnifierOff[] = ""; |
| 46 const char kScreenMagnifierFull[] = "full"; |
| 47 const char kScreenMagnifierPartial[] = "partial"; |
| 48 |
51 // Helper class that directly loads an extension's content scripts into | 49 // Helper class that directly loads an extension's content scripts into |
52 // all of the frames corresponding to a given RenderViewHost. | 50 // all of the frames corresponding to a given RenderViewHost. |
53 class ContentScriptLoader { | 51 class ContentScriptLoader { |
54 public: | 52 public: |
55 // Initialize the ContentScriptLoader with the ID of the extension | 53 // Initialize the ContentScriptLoader with the ID of the extension |
56 // and the RenderViewHost where the scripts should be loaded. | 54 // and the RenderViewHost where the scripts should be loaded. |
57 ContentScriptLoader(const std::string& extension_id, | 55 ContentScriptLoader(const std::string& extension_id, |
58 int render_process_id, | 56 int render_process_id, |
59 int render_view_id) | 57 int render_view_id) |
60 : extension_id_(extension_id), | 58 : extension_id_(extension_id), |
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187 PrefService* pref_service = g_browser_process->local_state(); | 185 PrefService* pref_service = g_browser_process->local_state(); |
188 pref_service->SetBoolean(prefs::kHighContrastEnabled, enabled); | 186 pref_service->SetBoolean(prefs::kHighContrastEnabled, enabled); |
189 pref_service->CommitPendingWrite(); | 187 pref_service->CommitPendingWrite(); |
190 | 188 |
191 #if defined(USE_ASH) | 189 #if defined(USE_ASH) |
192 ash::Shell::GetInstance()->high_contrast_controller()->SetEnabled(enabled); | 190 ash::Shell::GetInstance()->high_contrast_controller()->SetEnabled(enabled); |
193 #endif | 191 #endif |
194 } | 192 } |
195 | 193 |
196 void SetScreenMagnifier(ScreenMagnifierType type) { | 194 void SetScreenMagnifier(ScreenMagnifierType type) { |
197 PrefService* pref_service = g_browser_process->local_state(); | 195 if (MagnificationManager::GetInstance()) |
198 pref_service->SetString(prefs::kScreenMagnifierType, | 196 MagnificationManager::GetInstance()->SetScreenMagnifier(type); |
199 ScreenMagnifierNameFromType(type)); | |
200 pref_service->CommitPendingWrite(); | |
201 | |
202 #if defined(USE_ASH) | |
203 ash::Shell::GetInstance()->magnification_controller()->SetEnabled( | |
204 type == MAGNIFIER_FULL); | |
205 ash::Shell::GetInstance()->partial_magnification_controller()->SetEnabled( | |
206 type == MAGNIFIER_PARTIAL); | |
207 #endif | |
208 } | 197 } |
209 | 198 |
210 void EnableVirtualKeyboard(bool enabled) { | 199 void EnableVirtualKeyboard(bool enabled) { |
211 PrefService* pref_service = g_browser_process->local_state(); | 200 PrefService* pref_service = g_browser_process->local_state(); |
212 pref_service->SetBoolean(prefs::kVirtualKeyboardEnabled, enabled); | 201 pref_service->SetBoolean(prefs::kVirtualKeyboardEnabled, enabled); |
213 pref_service->CommitPendingWrite(); | 202 pref_service->CommitPendingWrite(); |
214 } | 203 } |
215 | 204 |
216 void ToggleSpokenFeedback(content::WebUI* login_web_ui) { | 205 void ToggleSpokenFeedback(content::WebUI* login_web_ui) { |
217 bool spoken_feedback_enabled = g_browser_process && | 206 bool spoken_feedback_enabled = g_browser_process && |
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250 if (!g_browser_process) { | 239 if (!g_browser_process) { |
251 return false; | 240 return false; |
252 } | 241 } |
253 PrefService* prefs = g_browser_process->local_state(); | 242 PrefService* prefs = g_browser_process->local_state(); |
254 bool high_contrast_enabled = prefs && | 243 bool high_contrast_enabled = prefs && |
255 prefs->GetBoolean(prefs::kHighContrastEnabled); | 244 prefs->GetBoolean(prefs::kHighContrastEnabled); |
256 return high_contrast_enabled; | 245 return high_contrast_enabled; |
257 } | 246 } |
258 | 247 |
259 ScreenMagnifierType GetScreenMagnifierType() { | 248 ScreenMagnifierType GetScreenMagnifierType() { |
260 if (!g_browser_process) | 249 if (!MagnificationManager::GetInstance()) |
261 return MAGNIFIER_OFF; | 250 return MAGNIFIER_OFF; |
262 | 251 return MagnificationManager::GetInstance()->GetScreenMagnifierType(); |
263 PrefService* prefs = g_browser_process->local_state(); | |
264 std::string screen_magnifier_type; | |
265 if (!prefs) | |
266 return MAGNIFIER_OFF; | |
267 | |
268 return ScreenMagnifierTypeFromName( | |
269 prefs->GetString(prefs::kScreenMagnifierType).c_str()); | |
270 } | 252 } |
271 | 253 |
272 ScreenMagnifierType ScreenMagnifierTypeFromName(const char type_name[]) { | 254 ScreenMagnifierType ScreenMagnifierTypeFromName(const char type_name[]) { |
273 if (0 == strcmp(type_name, kScreenMagnifierFull)) | 255 if (0 == strcmp(type_name, kScreenMagnifierFull)) |
274 return MAGNIFIER_FULL; | 256 return MAGNIFIER_FULL; |
275 else if (0 == strcmp(type_name, kScreenMagnifierPartial)) | 257 else if (0 == strcmp(type_name, kScreenMagnifierPartial)) |
276 return MAGNIFIER_PARTIAL; | 258 return MAGNIFIER_PARTIAL; |
277 else | 259 else |
278 return MAGNIFIER_OFF; | 260 return MAGNIFIER_OFF; |
279 } | 261 } |
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290 return kScreenMagnifierOff; | 272 return kScreenMagnifierOff; |
291 } | 273 } |
292 | 274 |
293 void MaybeSpeak(const std::string& utterance) { | 275 void MaybeSpeak(const std::string& utterance) { |
294 if (IsSpokenFeedbackEnabled()) | 276 if (IsSpokenFeedbackEnabled()) |
295 Speak(utterance); | 277 Speak(utterance); |
296 } | 278 } |
297 | 279 |
298 } // namespace accessibility | 280 } // namespace accessibility |
299 } // namespace chromeos | 281 } // namespace chromeos |
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