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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/extension_action_manager.h"
#include "base/memory/singleton.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/extension_action.h"
#include "extensions/browser/extension_icon_image.h"
#include "extensions/browser/extension_system.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/common/constants.h"
#include "ui/gfx/image/image_skia.h"
namespace extensions {
namespace {
// BrowserContextKeyedServiceFactory for ExtensionActionManager.
class ExtensionActionManagerFactory : public BrowserContextKeyedServiceFactory {
public:
// BrowserContextKeyedServiceFactory implementation:
static ExtensionActionManager* GetForBrowserContext(
content::BrowserContext* context) {
return static_cast<ExtensionActionManager*>(
GetInstance()->GetServiceForBrowserContext(context, true));
}
static ExtensionActionManagerFactory* GetInstance();
private:
friend struct base::DefaultSingletonTraits<ExtensionActionManagerFactory>;
ExtensionActionManagerFactory()
: BrowserContextKeyedServiceFactory(
"ExtensionActionManager",
BrowserContextDependencyManager::GetInstance()) {}
std::unique_ptr<KeyedService> BuildServiceInstanceForBrowserContext(
content::BrowserContext* browser_context) const override {
return std::make_unique<ExtensionActionManager>(browser_context);
}
content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const override {
return ExtensionsBrowserClient::Get()->GetContextRedirectedToOriginal(
context);
}
};
ExtensionActionManagerFactory* ExtensionActionManagerFactory::GetInstance() {
return base::Singleton<ExtensionActionManagerFactory>::get();
}
} // namespace
ExtensionActionManager::ExtensionActionManager(
content::BrowserContext* browser_context)
: browser_context_(browser_context) {
CHECK(!browser_context_->IsOffTheRecord())
<< "Don't instantiate this with an off-the-record context.";
extension_registry_observation_.Observe(
ExtensionRegistry::Get(browser_context_));
}
ExtensionActionManager::~ExtensionActionManager() {
// Don't assert that the ExtensionAction maps are empty because Extensions
// are sometimes (only in tests?) not unloaded before the associated context
// is destroyed.
}
ExtensionActionManager* ExtensionActionManager::Get(
content::BrowserContext* context) {
return ExtensionActionManagerFactory::GetForBrowserContext(context);
}
void ExtensionActionManager::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) {
actions_.erase(extension->id());
}
ExtensionAction* ExtensionActionManager::GetExtensionAction(
const Extension& extension) const {
auto iter = actions_.find(extension.id());
if (iter != actions_.end()) {
return iter->second.get();
}
const ActionInfo* action_info =
ActionInfo::GetExtensionActionInfo(&extension);
if (!action_info) {
return nullptr;
}
// Only create action info for enabled extensions.
// This avoids bugs where actions are recreated just after being removed
// in response to OnExtensionUnloaded().
if (!ExtensionRegistry::Get(browser_context_)
->enabled_extensions()
.Contains(extension.id())) {
return nullptr;
}
auto action = std::make_unique<ExtensionAction>(extension, *action_info);
if (action->default_icon()) {
action->SetDefaultIconImage(std::make_unique<IconImage>(
browser_context_, &extension, *action->default_icon(),
ExtensionAction::ActionIconSize(),
ExtensionAction::FallbackIcon().AsImageSkia(), nullptr));
}
ExtensionAction* raw_action = action.get();
actions_[extension.id()] = std::move(action);
return raw_action;
}
// static
BrowserContextKeyedServiceFactory* ExtensionActionManager::GetFactory() {
return ExtensionActionManagerFactory::GetInstance();
}
} // namespace extensions
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