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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/locale/locale_template_url_loader.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/jni_weak_ref.h"
#include "base/check_deref.h"
#include "base/debug/dump_without_crashing.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "components/search_engines/template_url_data.h"
#include "components/search_engines/template_url_prepopulate_data.h"
#include "components/search_engines/template_url_service.h"
#include "components/search_engines/util.h"
#include "third_party/search_engines_data/resources/definitions/prepopulated_engines.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/browser/locale/jni_headers/LocaleTemplateUrlLoader_jni.h"
using base::android::JavaParamRef;
using base::android::ScopedJavaGlobalRef;
using base::android::ScopedJavaLocalRef;
using base::android::AttachCurrentThread;
using base::android::ConvertJavaStringToUTF8;
static jlong JNI_LocaleTemplateUrlLoader_Init(JNIEnv* env,
std::string& locale,
Profile* profile) {
return reinterpret_cast<intptr_t>(new LocaleTemplateUrlLoader(
locale, TemplateURLServiceFactory::GetForProfile(profile), profile));
}
LocaleTemplateUrlLoader::LocaleTemplateUrlLoader(const std::string& locale,
TemplateURLService* service,
Profile* profile)
: locale_(locale), template_url_service_(service) {
profile_observation_.Observe(profile);
}
void LocaleTemplateUrlLoader::Destroy(JNIEnv* env) {
delete this;
}
void LocaleTemplateUrlLoader::OnProfileWillBeDestroyed(Profile* profile) {
// There is a risk that java keeps a reference to this loader and attempts to
// use it even if we started destroying the profile on the native side. To
// protect against this we remove access to the `template_url_service_` and
// stub out subsequent the calls.
profile_observation_.Reset();
template_url_service_ = nullptr;
}
jboolean LocaleTemplateUrlLoader::LoadTemplateUrls(JNIEnv* env) {
DCHECK(locale_.length() == 2);
if (!template_url_service_) {
// TODO(b/318339172): Test profile state from Java, switch to CHECK here.
base::debug::DumpWithoutCrashing(); // Investigating b/317335096.
return false;
}
std::vector<std::unique_ptr<TemplateURLData>> prepopulated_list =
GetLocalPrepopulatedEngines();
if (prepopulated_list.empty()) {
return false;
}
for (const auto& data_url : prepopulated_list) {
// Attempt to see if the URL already exists in the list of template URLs.
//
// Special case Google because the keyword is mutated based on the results
// of the GoogleUrlTracker, so we need to rely on prepopulate ID instead
// of keyword only for Google.
//
// Otherwise, matching based on keyword is sufficient and preferred as
// some logically distinct search engines share the same prepopulate ID and
// only differ on keyword.
const TemplateURL* matching_url =
template_url_service_->GetTemplateURLForKeyword(data_url->keyword());
bool exists = matching_url != nullptr;
if (!exists &&
data_url->prepopulate_id == TemplateURLPrepopulateData::google.id) {
auto existing_urls = template_url_service_->GetTemplateURLs();
for (TemplateURL* existing_url : existing_urls) {
if (existing_url->prepopulate_id() ==
TemplateURLPrepopulateData::google.id) {
matching_url = existing_url;
exists = true;
break;
}
}
}
if (exists) {
continue;
}
data_url.get()->safe_for_autoreplace = true;
std::unique_ptr<TemplateURL> turl(
new TemplateURL(*data_url, TemplateURL::LOCAL));
TemplateURL* added_turl = template_url_service_->Add(std::move(turl));
if (added_turl) {
prepopulate_ids_.push_back(added_turl->prepopulate_id());
}
}
return true;
}
void LocaleTemplateUrlLoader::RemoveTemplateUrls(JNIEnv* env) {
if (!template_url_service_) {
// TODO(b/318339172): Test profile state from Java, switch to CHECK here.
base::debug::DumpWithoutCrashing(); // Investigating b/317335096.
return;
}
while (!prepopulate_ids_.empty()) {
TemplateURL* turl = FindURLByPrepopulateID(
template_url_service_->GetTemplateURLs(), prepopulate_ids_.back());
if (turl && template_url_service_->GetDefaultSearchProvider() != turl) {
template_url_service_->Remove(turl);
}
prepopulate_ids_.pop_back();
}
}
void LocaleTemplateUrlLoader::OverrideDefaultSearchProvider(JNIEnv* env) {
if (!template_url_service_) {
// TODO(b/318339172): Test profile state from Java, switch to CHECK here.
base::debug::DumpWithoutCrashing(); // Investigating b/317335096.
return;
}
// If the user has changed their default search provider, no-op.
const TemplateURL* current_dsp =
template_url_service_->GetDefaultSearchProvider();
if (!current_dsp ||
current_dsp->prepopulate_id() != TemplateURLPrepopulateData::google.id) {
return;
}
TemplateURL* turl =
FindURLByPrepopulateID(template_url_service_->GetTemplateURLs(),
GetDesignatedSearchEngineForChina());
if (turl) {
template_url_service_->SetUserSelectedDefaultSearchProvider(turl);
}
}
void LocaleTemplateUrlLoader::SetGoogleAsDefaultSearch(JNIEnv* env) {
if (!template_url_service_) {
// TODO(b/318339172): Test profile state from Java, switch to CHECK here.
base::debug::DumpWithoutCrashing(); // Investigating b/317335096.
return;
}
// If the user has changed their default search provider, no-op.
const TemplateURL* current_dsp =
template_url_service_->GetDefaultSearchProvider();
if (!current_dsp ||
current_dsp->prepopulate_id() != GetDesignatedSearchEngineForChina()) {
return;
}
TemplateURL* turl =
FindURLByPrepopulateID(template_url_service_->GetTemplateURLs(),
TemplateURLPrepopulateData::google.id);
if (turl) {
template_url_service_->SetUserSelectedDefaultSearchProvider(turl);
}
}
std::vector<std::unique_ptr<TemplateURLData>>
LocaleTemplateUrlLoader::GetLocalPrepopulatedEngines() {
if (!template_url_service_) {
// TODO(b/318339172): Test profile state from Java, switch to CHECK here.
base::debug::DumpWithoutCrashing(); // Investigating b/317335096.
return std::vector<std::unique_ptr<TemplateURLData>>();
}
return template_url_service_->GetTemplateURLsForCountry(locale_);
}
int LocaleTemplateUrlLoader::GetDesignatedSearchEngineForChina() {
return TemplateURLPrepopulateData::sogou.id;
}
LocaleTemplateUrlLoader::~LocaleTemplateUrlLoader() = default;
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