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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 "components/search_engines/keyword_web_data_service.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "components/search_engines/keyword_table.h"
#include "components/search_engines/template_url_data.h"
#include "components/webdata/common/web_data_results.h"
#include "components/webdata/common/web_database_service.h"
using base::Bind;
WDKeywordsResult::WDKeywordsResult()
: default_search_provider_id(0),
builtin_keyword_version(0) {
}
WDKeywordsResult::WDKeywordsResult(const WDKeywordsResult& other) = default;
WDKeywordsResult::~WDKeywordsResult() {}
KeywordWebDataService::BatchModeScoper::BatchModeScoper(
KeywordWebDataService* service)
: service_(service) {
if (service_)
service_->AdjustBatchModeLevel(true);
}
KeywordWebDataService::BatchModeScoper::~BatchModeScoper() {
if (service_)
service_->AdjustBatchModeLevel(false);
}
KeywordWebDataService::KeywordWebDataService(
scoped_refptr<WebDatabaseService> wdbs,
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
const ProfileErrorCallback& callback)
: WebDataServiceBase(wdbs, callback, ui_task_runner),
batch_mode_level_(0) {}
void KeywordWebDataService::AddKeyword(const TemplateURLData& data) {
if (batch_mode_level_) {
queued_keyword_operations_.push_back(
KeywordTable::Operation(KeywordTable::ADD, data));
} else {
AdjustBatchModeLevel(true);
AddKeyword(data);
AdjustBatchModeLevel(false);
}
}
void KeywordWebDataService::RemoveKeyword(TemplateURLID id) {
if (batch_mode_level_) {
TemplateURLData data;
data.id = id;
queued_keyword_operations_.push_back(
KeywordTable::Operation(KeywordTable::REMOVE, data));
} else {
AdjustBatchModeLevel(true);
RemoveKeyword(id);
AdjustBatchModeLevel(false);
}
}
void KeywordWebDataService::UpdateKeyword(const TemplateURLData& data) {
if (batch_mode_level_) {
queued_keyword_operations_.push_back(
KeywordTable::Operation(KeywordTable::UPDATE, data));
} else {
AdjustBatchModeLevel(true);
UpdateKeyword(data);
AdjustBatchModeLevel(false);
}
}
WebDataServiceBase::Handle KeywordWebDataService::GetKeywords(
WebDataServiceConsumer* consumer) {
return wdbs_->ScheduleDBTaskWithResult(
FROM_HERE, Bind(&KeywordWebDataService::GetKeywordsImpl, this), consumer);
}
void KeywordWebDataService::SetDefaultSearchProviderID(TemplateURLID id) {
wdbs_->ScheduleDBTask(
FROM_HERE,
Bind(&KeywordWebDataService::SetDefaultSearchProviderIDImpl, this, id));
}
void KeywordWebDataService::SetBuiltinKeywordVersion(int version) {
wdbs_->ScheduleDBTask(
FROM_HERE,
Bind(&KeywordWebDataService::SetBuiltinKeywordVersionImpl,
this, version));
}
KeywordWebDataService::~KeywordWebDataService() {
DCHECK(!batch_mode_level_);
}
void KeywordWebDataService::AdjustBatchModeLevel(bool entering_batch_mode) {
if (entering_batch_mode) {
++batch_mode_level_;
} else {
DCHECK(batch_mode_level_);
--batch_mode_level_;
if (!batch_mode_level_ && !queued_keyword_operations_.empty()) {
wdbs_->ScheduleDBTask(
FROM_HERE,
Bind(&KeywordWebDataService::PerformKeywordOperationsImpl, this,
queued_keyword_operations_));
queued_keyword_operations_.clear();
}
}
}
WebDatabase::State KeywordWebDataService::PerformKeywordOperationsImpl(
const KeywordTable::Operations& operations,
WebDatabase* db) {
return KeywordTable::FromWebDatabase(db)->PerformOperations(operations) ?
WebDatabase::COMMIT_NEEDED : WebDatabase::COMMIT_NOT_NEEDED;
}
std::unique_ptr<WDTypedResult> KeywordWebDataService::GetKeywordsImpl(
WebDatabase* db) {
std::unique_ptr<WDTypedResult> result_ptr;
WDKeywordsResult result;
if (KeywordTable::FromWebDatabase(db)->GetKeywords(&result.keywords)) {
result.default_search_provider_id =
KeywordTable::FromWebDatabase(db)->GetDefaultSearchProviderID();
result.builtin_keyword_version =
KeywordTable::FromWebDatabase(db)->GetBuiltinKeywordVersion();
result_ptr.reset(new WDResult<WDKeywordsResult>(KEYWORDS_RESULT, result));
}
return result_ptr;
}
WebDatabase::State KeywordWebDataService::SetDefaultSearchProviderIDImpl(
TemplateURLID id,
WebDatabase* db) {
return KeywordTable::FromWebDatabase(db)->SetDefaultSearchProviderID(id) ?
WebDatabase::COMMIT_NEEDED : WebDatabase::COMMIT_NOT_NEEDED;
}
WebDatabase::State KeywordWebDataService::SetBuiltinKeywordVersionImpl(
int version,
WebDatabase* db) {
return KeywordTable::FromWebDatabase(db)->SetBuiltinKeywordVersion(version) ?
WebDatabase::COMMIT_NEEDED : WebDatabase::COMMIT_NOT_NEEDED;
}
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