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// Copyright 2014 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 "extensions/browser/declarative_user_script_manager.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/declarative_user_script_manager_factory.h"
#include "extensions/browser/declarative_user_script_master.h"
#include "extensions/browser/extension_registry.h"
namespace extensions {
DeclarativeUserScriptManager::DeclarativeUserScriptManager(
content::BrowserContext* browser_context)
: browser_context_(browser_context), extension_registry_observer_(this) {
extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context));
}
DeclarativeUserScriptManager::~DeclarativeUserScriptManager() {
}
// static
DeclarativeUserScriptManager* DeclarativeUserScriptManager::Get(
content::BrowserContext* browser_context) {
return DeclarativeUserScriptManagerFactory::GetForBrowserContext(
browser_context);
}
DeclarativeUserScriptMaster*
DeclarativeUserScriptManager::GetDeclarativeUserScriptMasterByID(
const HostID& host_id) {
UserScriptMasterMap::iterator it =
declarative_user_script_masters_.find(host_id);
if (it != declarative_user_script_masters_.end())
return it->second.get();
return CreateDeclarativeUserScriptMaster(host_id);
}
DeclarativeUserScriptMaster*
DeclarativeUserScriptManager::CreateDeclarativeUserScriptMaster(
const HostID& host_id) {
linked_ptr<DeclarativeUserScriptMaster> master(
new DeclarativeUserScriptMaster(browser_context_, host_id));
declarative_user_script_masters_[host_id] = master;
return master.get();
}
void DeclarativeUserScriptManager::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
for (const auto& val : declarative_user_script_masters_) {
DeclarativeUserScriptMaster* master = val.second.get();
if (master->host_id().id() == extension->id())
master->ClearScripts();
}
}
} // namespace extensions
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