Revert of Componentize TemplateURLService

chrome/browser/webdata/keyword_web_data_service.cc

+// 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/webdata/keyword_web_data_service.h"
+
+#include "base/bind.h"
+#include "chrome/browser/webdata/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() {}
+
+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::MessageLoopProxy> ui_thread,
+    const ProfileErrorCallback& callback)
+    : WebDataServiceBase(wdbs, callback, ui_thread),
+      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;
+}
+
+scoped_ptr<WDTypedResult> KeywordWebDataService::GetKeywordsImpl(
+    WebDatabase* db) {
+  scoped_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.Pass();
+}
+
+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;
+}