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// 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/extensions/extension_action.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_dependency_manager.h"
#include "chrome/browser/profiles/profile_keyed_service_factory.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/feature_switch.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
namespace extensions {
namespace {
// ProfileKeyedServiceFactory for ExtensionActionManager.
class ExtensionActionManagerFactory : public ProfileKeyedServiceFactory {
public:
// ProfileKeyedServiceFactory implementation:
static ExtensionActionManager* GetForProfile(Profile* profile) {
return static_cast<ExtensionActionManager*>(
GetInstance()->GetServiceForProfile(profile, true));
}
static ExtensionActionManagerFactory* GetInstance();
private:
friend struct DefaultSingletonTraits<ExtensionActionManagerFactory>;
ExtensionActionManagerFactory()
: ProfileKeyedServiceFactory("ExtensionActionManager",
ProfileDependencyManager::GetInstance()) {
}
virtual ProfileKeyedService* BuildServiceInstanceFor(
Profile* profile) const OVERRIDE {
return new ExtensionActionManager(profile);
}
virtual bool ServiceRedirectedInIncognito() const OVERRIDE {
return true;
}
};
ExtensionActionManagerFactory*
ExtensionActionManagerFactory::GetInstance() {
return Singleton<ExtensionActionManagerFactory>::get();
}
} // namespace
ExtensionActionManager::ExtensionActionManager(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());
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,
Extension::ActionInfo::Type action_type,
const Extension::ActionInfo* action_info) {
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;
linked_ptr<ExtensionAction> action(new ExtensionAction(
extension_id, action_type, *action_info));
(*map)[extension_id] = action;
return action.get();
}
}
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(),
Extension::ActionInfo::TYPE_PAGE,
extension.page_action_info());
}
ExtensionAction* ExtensionActionManager::GetBrowserAction(
const extensions::Extension& extension) const {
const Extension::ActionInfo* action_info = extension.browser_action_info();
Extension::ActionInfo::Type action_type = Extension::ActionInfo::TYPE_BROWSER;
if (FeatureSwitch::script_badges()->IsEnabled() &&
extension.page_action_info()) {
// The action box changes the meaning of the page action area, so we
// need to convert page actions into browser actions.
action_info = extension.page_action_info();
action_type = Extension::ActionInfo::TYPE_PAGE;
}
return GetOrCreateOrNull(&browser_actions_, extension.id(),
action_type, action_info);
}
ExtensionAction* ExtensionActionManager::GetScriptBadge(
const extensions::Extension& extension) const {
return GetOrCreateOrNull(&script_badges_, extension.id(),
Extension::ActionInfo::TYPE_SCRIPT_BADGE,
extension.script_badge_info());
}
}
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