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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/themes/theme_service.h" | 5 #include "chrome/browser/themes/theme_service.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/memory/ref_counted_memory.h" | 8 #include "base/memory/ref_counted_memory.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/prefs/pref_service.h" | 10 #include "base/prefs/pref_service.h" |
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83 ThemeService::ThemeService() | 83 ThemeService::ThemeService() |
84 : ready_(false), | 84 : ready_(false), |
85 rb_(ResourceBundle::GetSharedInstance()), | 85 rb_(ResourceBundle::GetSharedInstance()), |
86 profile_(NULL), | 86 profile_(NULL), |
87 installed_pending_load_id_(kDefaultThemeID), | 87 installed_pending_load_id_(kDefaultThemeID), |
88 number_of_infobars_(0), | 88 number_of_infobars_(0), |
89 weak_ptr_factory_(this) { | 89 weak_ptr_factory_(this) { |
90 } | 90 } |
91 | 91 |
92 ThemeService::~ThemeService() { | 92 ThemeService::~ThemeService() { |
93 extension_registry_->RemoveObserver(this); | |
Bernhard Bauer
2014/09/24 13:06:41
There is no guarantee that |extension_registry_| w
| |
93 FreePlatformCaches(); | 94 FreePlatformCaches(); |
94 } | 95 } |
95 | 96 |
96 void ThemeService::Init(Profile* profile) { | 97 void ThemeService::Init(Profile* profile) { |
97 DCHECK(CalledOnValidThread()); | 98 DCHECK(CalledOnValidThread()); |
98 profile_ = profile; | 99 profile_ = profile; |
99 | 100 |
100 LoadThemePrefs(); | 101 LoadThemePrefs(); |
101 | 102 |
103 extension_registry_ = extensions::ExtensionRegistry::Get(profile_); | |
104 extension_registry_->AddObserver(this); | |
105 | |
102 registrar_.Add(this, | 106 registrar_.Add(this, |
103 extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED, | 107 extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED, |
104 content::Source<Profile>(profile_)); | 108 content::Source<Profile>(profile_)); |
105 | 109 |
106 theme_syncable_service_.reset(new ThemeSyncableService(profile_, this)); | 110 theme_syncable_service_.reset(new ThemeSyncableService(profile_, this)); |
107 } | 111 } |
108 | 112 |
109 gfx::Image ThemeService::GetImageNamed(int id) const { | 113 gfx::Image ThemeService::GetImageNamed(int id) const { |
110 DCHECK(CalledOnValidThread()); | 114 DCHECK(CalledOnValidThread()); |
111 | 115 |
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245 const content::NotificationSource& source, | 249 const content::NotificationSource& source, |
246 const content::NotificationDetails& details) { | 250 const content::NotificationDetails& details) { |
247 using content::Details; | 251 using content::Details; |
248 switch (type) { | 252 switch (type) { |
249 case extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED: | 253 case extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED: |
250 registrar_.Remove(this, | 254 registrar_.Remove(this, |
251 extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED, | 255 extensions::NOTIFICATION_EXTENSIONS_READY_DEPRECATED, |
252 content::Source<Profile>(profile_)); | 256 content::Source<Profile>(profile_)); |
253 OnExtensionServiceReady(); | 257 OnExtensionServiceReady(); |
254 break; | 258 break; |
255 case extensions::NOTIFICATION_EXTENSION_WILL_BE_INSTALLED_DEPRECATED: { | |
256 // The theme may be initially disabled. Wait till it is loaded (if ever). | |
257 Details<const extensions::InstalledExtensionInfo> installed_details( | |
258 details); | |
259 if (installed_details->extension->is_theme()) | |
260 installed_pending_load_id_ = installed_details->extension->id(); | |
261 break; | |
262 } | |
263 case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED: { | |
264 const Extension* extension = Details<const Extension>(details).ptr(); | |
265 if (extension->is_theme() && | |
266 installed_pending_load_id_ != kDefaultThemeID && | |
267 installed_pending_load_id_ == extension->id()) { | |
268 SetTheme(extension); | |
269 } | |
270 installed_pending_load_id_ = kDefaultThemeID; | |
271 break; | |
272 } | |
273 case extensions::NOTIFICATION_EXTENSION_ENABLED: { | 259 case extensions::NOTIFICATION_EXTENSION_ENABLED: { |
274 const Extension* extension = Details<const Extension>(details).ptr(); | 260 const Extension* extension = Details<const Extension>(details).ptr(); |
275 if (extension->is_theme()) | 261 if (extension->is_theme()) |
276 SetTheme(extension); | 262 SetTheme(extension); |
277 break; | 263 break; |
278 } | 264 } |
279 case extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: { | |
280 Details<const UnloadedExtensionInfo> unloaded_details(details); | |
281 if (unloaded_details->reason != UnloadedExtensionInfo::REASON_UPDATE && | |
282 unloaded_details->extension->is_theme() && | |
283 unloaded_details->extension->id() == GetThemeID()) { | |
284 UseDefaultTheme(); | |
285 } | |
286 break; | |
287 } | |
288 } | 265 } |
289 } | 266 } |
290 | 267 |
268 void ThemeService::OnExtensionLoaded(content::BrowserContext* browser_context, | |
269 const extensions::Extension* extension) { | |
270 if (extension->is_theme() && | |
271 installed_pending_load_id_ != kDefaultThemeID && | |
272 installed_pending_load_id_ == extension->id()) { | |
273 SetTheme(extension); | |
274 } | |
275 installed_pending_load_id_ = kDefaultThemeID; | |
276 } | |
277 | |
278 void ThemeService::OnExtensionUnloaded( | |
279 content::BrowserContext* browser_context, | |
280 const extensions::Extension* extension, | |
281 extensions::UnloadedExtensionInfo::Reason reason) { | |
282 if (reason != UnloadedExtensionInfo::REASON_UPDATE && extension->is_theme() && | |
283 extension->id() == GetThemeID()) { | |
284 UseDefaultTheme(); | |
285 } | |
286 } | |
287 | |
288 void ThemeService::OnExtensionWillBeInstalled( | |
289 content::BrowserContext* browser_context, | |
290 const extensions::Extension* extension, | |
291 bool is_update, | |
292 bool from_ephemeral, | |
293 const std::string& old_name) { | |
294 // The theme may be initially disabled. Wait till it is loaded (if ever). | |
295 if (extension->is_theme()) | |
296 installed_pending_load_id_ = extension->id(); | |
297 } | |
298 | |
291 void ThemeService::SetTheme(const Extension* extension) { | 299 void ThemeService::SetTheme(const Extension* extension) { |
292 DCHECK(extension->is_theme()); | 300 DCHECK(extension->is_theme()); |
293 ExtensionService* service = | 301 ExtensionService* service = |
294 extensions::ExtensionSystem::Get(profile_)->extension_service(); | 302 extensions::ExtensionSystem::Get(profile_)->extension_service(); |
295 if (!service->IsExtensionEnabled(extension->id())) { | 303 if (!service->IsExtensionEnabled(extension->id())) { |
296 // |extension| is disabled when reverting to the previous theme via an | 304 // |extension| is disabled when reverting to the previous theme via an |
297 // infobar. | 305 // infobar. |
298 service->EnableExtension(extension->id()); | 306 service->EnableExtension(extension->id()); |
299 // Enabling the extension will call back to SetTheme(). | 307 // Enabling the extension will call back to SetTheme(). |
300 return; | 308 return; |
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498 // If the ThemeService is not ready yet, the custom theme data pack needs to | 506 // If the ThemeService is not ready yet, the custom theme data pack needs to |
499 // be recreated from the extension. | 507 // be recreated from the extension. |
500 MigrateTheme(); | 508 MigrateTheme(); |
501 set_ready(); | 509 set_ready(); |
502 | 510 |
503 // Send notification in case anyone requested data and cached it when the | 511 // Send notification in case anyone requested data and cached it when the |
504 // theme service was not ready yet. | 512 // theme service was not ready yet. |
505 NotifyThemeChanged(); | 513 NotifyThemeChanged(); |
506 } | 514 } |
507 | 515 |
508 registrar_.Add( | 516 extension_registry_->AddObserver(this); |
509 this, | |
510 extensions::NOTIFICATION_EXTENSION_WILL_BE_INSTALLED_DEPRECATED, | |
511 content::Source<Profile>(profile_)); | |
512 registrar_.Add(this, | |
513 extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED, | |
514 content::Source<Profile>(profile_)); | |
515 registrar_.Add(this, | 517 registrar_.Add(this, |
516 extensions::NOTIFICATION_EXTENSION_ENABLED, | 518 extensions::NOTIFICATION_EXTENSION_ENABLED, |
517 content::Source<Profile>(profile_)); | 519 content::Source<Profile>(profile_)); |
518 registrar_.Add(this, | |
519 extensions::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED, | |
520 content::Source<Profile>(profile_)); | |
521 | 520 |
522 base::MessageLoop::current()->PostDelayedTask(FROM_HERE, | 521 base::MessageLoop::current()->PostDelayedTask(FROM_HERE, |
523 base::Bind(&ThemeService::RemoveUnusedThemes, | 522 base::Bind(&ThemeService::RemoveUnusedThemes, |
524 weak_ptr_factory_.GetWeakPtr(), | 523 weak_ptr_factory_.GetWeakPtr(), |
525 false), | 524 false), |
526 base::TimeDelta::FromSeconds(kRemoveUnusedThemesStartupDelay)); | 525 base::TimeDelta::FromSeconds(kRemoveUnusedThemesStartupDelay)); |
527 } | 526 } |
528 | 527 |
529 void ThemeService::MigrateTheme() { | 528 void ThemeService::MigrateTheme() { |
530 // TODO(erg): We need to pop up a dialog informing the user that their | 529 // TODO(erg): We need to pop up a dialog informing the user that their |
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603 void ThemeService::OnInfobarDestroyed() { | 602 void ThemeService::OnInfobarDestroyed() { |
604 number_of_infobars_--; | 603 number_of_infobars_--; |
605 | 604 |
606 if (number_of_infobars_ == 0) | 605 if (number_of_infobars_ == 0) |
607 RemoveUnusedThemes(false); | 606 RemoveUnusedThemes(false); |
608 } | 607 } |
609 | 608 |
610 ThemeSyncableService* ThemeService::GetThemeSyncableService() const { | 609 ThemeSyncableService* ThemeService::GetThemeSyncableService() const { |
611 return theme_syncable_service_.get(); | 610 return theme_syncable_service_.get(); |
612 } | 611 } |
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