| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/extensions/extension_action_manager.h" |
| |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/extensions/api/system_indicator/system_indicator_manager.h" |
| #include "chrome/browser/extensions/api/system_indicator/system_indicator_manager_factory.h" |
| #include "chrome/browser/extensions/extension_action.h" |
| #include "chrome/browser/extensions/extension_service.h" |
| #include "chrome/browser/extensions/extension_system.h" |
| #include "chrome/browser/profiles/incognito_helpers.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/extensions/api/extension_action/action_info.h" |
| #include "chrome/common/extensions/api/extension_action/page_action_handler.h" |
| #include "chrome/common/extensions/api/extension_action/script_badge_handler.h" |
| #include "chrome/common/extensions/extension.h" |
| #include "chrome/common/extensions/feature_switch.h" |
| #include "components/browser_context_keyed_service/browser_context_dependency_manager.h" |
| #include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/notification_source.h" |
| |
| namespace extensions { |
| |
| namespace { |
| |
| // BrowserContextKeyedServiceFactory for ExtensionActionManager. |
| class ExtensionActionManagerFactory : public BrowserContextKeyedServiceFactory { |
| public: |
| // BrowserContextKeyedServiceFactory implementation: |
| static ExtensionActionManager* GetForProfile(Profile* profile) { |
| return static_cast<ExtensionActionManager*>( |
| GetInstance()->GetServiceForBrowserContext(profile, true)); |
| } |
| |
| static ExtensionActionManagerFactory* GetInstance(); |
| |
| private: |
| friend struct DefaultSingletonTraits<ExtensionActionManagerFactory>; |
| |
| ExtensionActionManagerFactory() |
| : BrowserContextKeyedServiceFactory( |
| "ExtensionActionManager", |
| BrowserContextDependencyManager::GetInstance()) { |
| } |
| |
| virtual BrowserContextKeyedService* BuildServiceInstanceFor( |
| content::BrowserContext* profile) const OVERRIDE { |
| return new ExtensionActionManager(static_cast<Profile*>(profile)); |
| } |
| |
| virtual content::BrowserContext* GetBrowserContextToUse( |
| content::BrowserContext* context) const OVERRIDE { |
| return chrome::GetBrowserContextRedirectedInIncognito(context); |
| } |
| }; |
| |
| ExtensionActionManagerFactory* |
| ExtensionActionManagerFactory::GetInstance() { |
| return Singleton<ExtensionActionManagerFactory>::get(); |
| } |
| |
| } // namespace |
| |
| ExtensionActionManager::ExtensionActionManager(Profile* profile) |
| : profile_(profile) { |
| CHECK_EQ(profile, profile->GetOriginalProfile()) |
| << "Don't instantiate this with an incognito profile."; |
| registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, |
| content::Source<Profile>(profile)); |
| } |
| |
| ExtensionActionManager::~ExtensionActionManager() { |
| // Don't assert that the ExtensionAction maps are empty because Extensions are |
| // sometimes (only in tests?) not unloaded before the Profile is destroyed. |
| } |
| |
| ExtensionActionManager* ExtensionActionManager::Get(Profile* profile) { |
| return ExtensionActionManagerFactory::GetForProfile(profile); |
| } |
| |
| void ExtensionActionManager::Observe( |
| int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) { |
| switch (type) { |
| case chrome::NOTIFICATION_EXTENSION_UNLOADED: { |
| const Extension* extension = |
| content::Details<UnloadedExtensionInfo>(details)->extension; |
| page_actions_.erase(extension->id()); |
| browser_actions_.erase(extension->id()); |
| script_badges_.erase(extension->id()); |
| system_indicators_.erase(extension->id()); |
| break; |
| } |
| } |
| } |
| |
| namespace { |
| |
| // Returns map[extension_id] if that entry exists. Otherwise, if |
| // action_info!=NULL, creates an ExtensionAction from it, fills in the map, and |
| // returns that. Otherwise (action_info==NULL), returns NULL. |
| ExtensionAction* GetOrCreateOrNull( |
| std::map<std::string, linked_ptr<ExtensionAction> >* map, |
| const std::string& extension_id, |
| ActionInfo::Type action_type, |
| const ActionInfo* action_info, |
| Profile* profile) { |
| std::map<std::string, linked_ptr<ExtensionAction> >::const_iterator it = |
| map->find(extension_id); |
| if (it != map->end()) |
| return it->second.get(); |
| if (!action_info) |
| return NULL; |
| |
| // Only create action info for enabled extensions. |
| // This avoids bugs where actions are recreated just after being removed |
| // in response to NOTIFICATION_EXTENSION_UNLOADED in |
| // ExtensionActionManager::Observe() |
| ExtensionService* service = |
| ExtensionSystem::Get(profile)->extension_service(); |
| if (!service->GetExtensionById(extension_id, false)) |
| return NULL; |
| |
| linked_ptr<ExtensionAction> action(new ExtensionAction( |
| extension_id, action_type, *action_info)); |
| (*map)[extension_id] = action; |
| return action.get(); |
| } |
| |
| } // namespace |
| |
| ExtensionAction* ExtensionActionManager::GetPageAction( |
| const extensions::Extension& extension) const { |
| // The action box changes the meaning of the page action area, so we |
| // need to convert page actions into browser actions. |
| if (FeatureSwitch::script_badges()->IsEnabled()) |
| return NULL; |
| return GetOrCreateOrNull(&page_actions_, extension.id(), |
| ActionInfo::TYPE_PAGE, |
| ActionInfo::GetPageActionInfo(&extension), |
| profile_); |
| } |
| |
| ExtensionAction* ExtensionActionManager::GetBrowserAction( |
| const extensions::Extension& extension) const { |
| const ActionInfo* action_info = ActionInfo::GetBrowserActionInfo(&extension); |
| ActionInfo::Type action_type = ActionInfo::TYPE_BROWSER; |
| if (FeatureSwitch::script_badges()->IsEnabled() && |
| ActionInfo::GetPageActionInfo(&extension)) { |
| // The action box changes the meaning of the page action area, so we |
| // need to convert page actions into browser actions. |
| action_info = ActionInfo::GetPageActionInfo(&extension); |
| action_type = ActionInfo::TYPE_PAGE; |
| } |
| return GetOrCreateOrNull(&browser_actions_, extension.id(), |
| action_type, action_info, profile_); |
| } |
| |
| ExtensionAction* ExtensionActionManager::GetSystemIndicator( |
| const extensions::Extension& extension) const { |
| // If it does not already exist, create the SystemIndicatorManager for the |
| // given profile. This could return NULL if the system indicator area is |
| // unavailable on the current system. If so, return NULL to signal that |
| // the system indicator area is unusable. |
| if (!extensions::SystemIndicatorManagerFactory::GetForProfile(profile_)) |
| return NULL; |
| |
| return GetOrCreateOrNull(&system_indicators_, extension.id(), |
| ActionInfo::TYPE_SYSTEM_INDICATOR, |
| ActionInfo::GetSystemIndicatorInfo(&extension), |
| profile_); |
| } |
| |
| ExtensionAction* ExtensionActionManager::GetScriptBadge( |
| const extensions::Extension& extension) const { |
| return GetOrCreateOrNull(&script_badges_, extension.id(), |
| ActionInfo::TYPE_SCRIPT_BADGE, |
| ActionInfo::GetScriptBadgeInfo(&extension), |
| profile_); |
| } |
| |
| } // namespace extensions |