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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 "chrome/browser/extensions/shared_user_script_master.h"
#include "base/memory/ptr_util.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/manifest_handlers/content_scripts_handler.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/host_id.h"
namespace extensions {
SharedUserScriptMaster::SharedUserScriptMaster(Profile* profile)
: loader_(profile,
HostID(),
true /* listen_for_extension_system_loaded */),
profile_(profile),
extension_registry_observer_(this) {
extension_registry_observer_.Add(ExtensionRegistry::Get(profile_));
}
SharedUserScriptMaster::~SharedUserScriptMaster() {
}
void SharedUserScriptMaster::OnExtensionLoaded(
content::BrowserContext* browser_context,
const Extension* extension) {
loader_.AddScripts(GetScriptsMetadata(extension));
}
void SharedUserScriptMaster::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
const UserScriptList& script_list =
ContentScriptsInfo::GetContentScripts(extension);
std::set<UserScriptIDPair> scripts_to_remove;
for (const std::unique_ptr<UserScript>& script : script_list)
scripts_to_remove.insert(UserScriptIDPair(script->id(), script->host_id()));
loader_.RemoveScripts(scripts_to_remove);
}
std::unique_ptr<UserScriptList> SharedUserScriptMaster::GetScriptsMetadata(
const Extension* extension) {
bool incognito_enabled = util::IsIncognitoEnabled(extension->id(), profile_);
const UserScriptList& script_list =
ContentScriptsInfo::GetContentScripts(extension);
std::unique_ptr<UserScriptList> script_vector(new UserScriptList());
script_vector->reserve(script_list.size());
for (const std::unique_ptr<UserScript>& script : script_list) {
std::unique_ptr<UserScript> script_copy =
UserScript::CopyMetadataFrom(*script);
script_copy->set_incognito_enabled(incognito_enabled);
script_vector->push_back(std::move(script_copy));
}
return script_vector;
}
} // namespace extensions
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