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// Copyright 2013 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/profile_resetter/automatic_profile_resetter_delegate.h"
#include "base/callback.h"
#include "base/logging.h"
#include "base/memory/scoped_vector.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_prepopulate_data.h"
#include "chrome/browser/search_engines/template_url_service.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_service.h"
#if defined(OS_WIN)
#include "chrome/browser/enumerate_modules_model_win.h"
#include "chrome/browser/install_module_verifier_win.h"
#endif
namespace {
scoped_ptr<base::DictionaryValue> BuildSubTreeFromTemplateURL(
const TemplateURL* template_url) {
scoped_ptr<base::DictionaryValue> tree(new base::DictionaryValue);
tree->SetString("search_url", template_url->url());
tree->SetString("search_terms_replacement_key",
template_url->search_terms_replacement_key());
tree->SetString("suggest_url", template_url->suggestions_url());
tree->SetString("instant_url", template_url->instant_url());
tree->SetString("image_url", template_url->image_url());
tree->SetString("new_tab_url", template_url->new_tab_url());
tree->SetString("search_url_post_params",
template_url->search_url_post_params());
tree->SetString("suggest_url_post_params",
template_url->suggestions_url_post_params());
tree->SetString("instant_url_post_params",
template_url->instant_url_post_params());
tree->SetString("image_url_post_params",
template_url->image_url_post_params());
tree->SetString("icon_url", template_url->favicon_url().spec());
tree->SetString("name", template_url->short_name());
tree->SetString("keyword", template_url->keyword());
base::ListValue* input_encodings = new base::ListValue;
input_encodings->AppendStrings(template_url->input_encodings());
tree->Set("encodings", input_encodings);
tree->SetString("id", base::Int64ToString(template_url->id()));
tree->SetString("prepopulate_id",
base::IntToString(template_url->prepopulate_id()));
base::ListValue* alternate_urls = new base::ListValue;
alternate_urls->AppendStrings(template_url->alternate_urls());
tree->Set("alternate_urls", alternate_urls);
return tree.Pass();
}
} // namespace
// AutomaticProfileResetterDelegateImpl --------------------------------------
AutomaticProfileResetterDelegateImpl::AutomaticProfileResetterDelegateImpl(
TemplateURLService* template_url_service)
: template_url_service_(template_url_service) {
if (template_url_service_) {
template_url_service_->AddObserver(this);
// Needed so that |template_url_service_ready_event_| will be signaled even
// when TemplateURLService had been already initialized before this point.
OnTemplateURLServiceChanged();
}
#if defined(OS_WIN)
module_list_.reset(EnumerateModulesModel::GetInstance()->GetModuleList());
#endif
if (module_list_) {
// Having a non-empty module list proves that enumeration had been already
// performed before this point.
modules_have_been_enumerated_event_.Signal();
}
registrar_.Add(this,
chrome::NOTIFICATION_MODULE_LIST_ENUMERATED,
content::NotificationService::AllSources());
}
AutomaticProfileResetterDelegateImpl::~AutomaticProfileResetterDelegateImpl() {
if (template_url_service_)
template_url_service_->RemoveObserver(this);
}
void AutomaticProfileResetterDelegateImpl::EnumerateLoadedModulesIfNeeded() {
if (!modules_have_been_enumerated_event_.is_signaled()) {
#if defined(OS_WIN)
EnumerateModulesModel::GetInstance()->ScanNow();
#else
modules_have_been_enumerated_event_.Signal();
#endif
}
}
void AutomaticProfileResetterDelegateImpl::
RequestCallbackWhenLoadedModulesAreEnumerated(
const base::Closure& ready_callback) const {
DCHECK(!ready_callback.is_null());
modules_have_been_enumerated_event_.Post(FROM_HERE, ready_callback);
}
void AutomaticProfileResetterDelegateImpl::LoadTemplateURLServiceIfNeeded() {
DCHECK(template_url_service_);
template_url_service_->Load(); // Safe to call even if it has loaded already.
}
void AutomaticProfileResetterDelegateImpl::
RequestCallbackWhenTemplateURLServiceIsLoaded(
const base::Closure& ready_callback) const {
DCHECK(!ready_callback.is_null());
template_url_service_ready_event_.Post(FROM_HERE, ready_callback);
}
scoped_ptr<base::ListValue> AutomaticProfileResetterDelegateImpl::
GetLoadedModuleNameDigests() const {
DCHECK(modules_have_been_enumerated_event_.is_signaled());
std::set<std::string> module_name_digests;
#if defined(OS_WIN)
if (module_list_)
ExtractLoadedModuleNameDigests(*module_list_, &module_name_digests);
#endif
scoped_ptr<base::ListValue> result(new base::ListValue);
for (std::set<std::string>::const_iterator it = module_name_digests.begin();
it != module_name_digests.end(); ++it)
result->AppendString(*it);
return result.Pass();
}
scoped_ptr<base::DictionaryValue> AutomaticProfileResetterDelegateImpl::
GetDefaultSearchProviderDetails() const {
DCHECK(template_url_service_);
DCHECK(template_url_service_->loaded());
const TemplateURL* default_search_provider =
template_url_service_->GetDefaultSearchProvider();
// Having a NULL default search provider is due to either:
// 1.) default search providers being disabled by policy,
// 2.) directly tampering with the Preferences and/or the SQLite DBs.
// In this state, Omnibox non-keyword search functionality is disabled.
return default_search_provider ?
BuildSubTreeFromTemplateURL(default_search_provider) :
scoped_ptr<base::DictionaryValue>(new base::DictionaryValue);
}
bool AutomaticProfileResetterDelegateImpl::
IsDefaultSearchProviderManaged() const {
DCHECK(template_url_service_);
DCHECK(template_url_service_->loaded());
return template_url_service_->is_default_search_managed();
}
scoped_ptr<base::ListValue> AutomaticProfileResetterDelegateImpl::
GetPrepopulatedSearchProvidersDetails() const {
DCHECK(template_url_service_);
size_t default_search_index = 0;
ScopedVector<TemplateURL> engines(
TemplateURLPrepopulateData::GetPrepopulatedEngines(
template_url_service_->profile(), &default_search_index));
scoped_ptr<base::ListValue> engines_details_list(new base::ListValue);
for (ScopedVector<TemplateURL>::const_iterator it = engines.begin();
it != engines.end(); ++it)
engines_details_list->Append(BuildSubTreeFromTemplateURL(*it).release());
return engines_details_list.Pass();
}
void AutomaticProfileResetterDelegateImpl::ShowPrompt() {
// TODO(engedy): Call the UI from here once we have it.
}
void AutomaticProfileResetterDelegateImpl::OnTemplateURLServiceChanged() {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
DCHECK(template_url_service_);
if (template_url_service_->loaded() &&
!template_url_service_ready_event_.is_signaled())
template_url_service_ready_event_.Signal();
}
void AutomaticProfileResetterDelegateImpl::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
if (type == chrome::NOTIFICATION_MODULE_LIST_ENUMERATED &&
!modules_have_been_enumerated_event_.is_signaled()) {
#if defined(OS_WIN)
module_list_.reset(EnumerateModulesModel::GetInstance()->GetModuleList());
#endif
modules_have_been_enumerated_event_.Signal();
}
}
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