ios/chrome/browser/search_engines/template_url_service_client_impl.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ios/chrome/browser/search_engines/template_url_service_client_impl.h"
   6
   7 #include "base/logging.h"
   8 #include "base/time/time.h"
   9 #include "components/history/core/browser/history_service.h"
  10 #include "components/history/core/browser/history_types.h"
  11 #include "components/search_engines/template_url_service.h"
  12 #include "ui/base/page_transition_types.h"
  13
  14 namespace ios {
  15
  16 TemplateURLServiceClientImpl::TemplateURLServiceClientImpl(
  17     history::HistoryService* history_service)
  18     : owner_(nullptr), history_service_(history_service) {
  19   // TODO(sky): bug 1166191. The keywords should be moved into the history
  20   // db, which will mean we no longer need this notification and the history
  21   // backend can handle automatically adding the search terms as the user
  22   // navigates.
  23   if (history_service_)
  24     history_service_->AddObserver(this);
  25 }
  26
  27 TemplateURLServiceClientImpl::~TemplateURLServiceClientImpl() {}
  28
  29 void TemplateURLServiceClientImpl::Shutdown() {
  30   // TemplateURLServiceClientImpl is owned by TemplateURLService which is a
  31   // KeyedService with a dependency on HistoryService, thus |history_service_|
  32   // outlives the ChromeTemplateURLServiceClient.
  33   //
  34   // Remove self from |history_service_| observers in the shutdown phase of the
  35   // two-phases since KeyedService are not supposed to use a dependend service
  36   // after the Shutdown call.
  37   if (history_service_) {
  38     history_service_->RemoveObserver(this);
  39     history_service_ = nullptr;
  40   }
  41 }
  42
  43 void TemplateURLServiceClientImpl::SetOwner(TemplateURLService* owner) {
  44   DCHECK(owner);
  45   DCHECK(!owner_);
  46   owner_ = owner;
  47 }
  48
  49 void TemplateURLServiceClientImpl::DeleteAllSearchTermsForKeyword(
  50     history::KeywordID keyword_id) {
  51   if (history_service_)
  52     history_service_->DeleteAllSearchTermsForKeyword(keyword_id);
  53 }
  54
  55 void TemplateURLServiceClientImpl::SetKeywordSearchTermsForURL(
  56     const GURL& url,
  57     TemplateURLID id,
  58     const base::string16& term) {
  59   if (history_service_)
  60     history_service_->SetKeywordSearchTermsForURL(url, id, term);
  61 }
  62
  63 void TemplateURLServiceClientImpl::AddKeywordGeneratedVisit(const GURL& url) {
  64   if (history_service_) {
  65     history_service_->AddPage(
  66         url, base::Time::Now(), nullptr, 0, GURL(), history::RedirectList(),
  67         ui::PAGE_TRANSITION_KEYWORD_GENERATED, history::SOURCE_BROWSED, false);
  68   }
  69 }
  70
  71 void TemplateURLServiceClientImpl::RestoreExtensionInfoIfNecessary(
  72     TemplateURL* template_url) {
  73   // iOS does not supports extension, nothing to do.
  74 }
  75
  76 void TemplateURLServiceClientImpl::OnURLVisited(
  77     history::HistoryService* history_service,
  78     ui::PageTransition transition,
  79     const history::URLRow& row,
  80     const history::RedirectList& redirects,
  81     base::Time visit_time) {
  82   DCHECK_EQ(history_service, history_service_);
  83   if (!owner_)
  84     return;
  85
  86   TemplateURLService::URLVisitedDetails details = {
  87       row.url(),
  88       ui::PageTransitionCoreTypeIs(transition, ui::PAGE_TRANSITION_KEYWORD),
  89   };
  90   owner_->OnHistoryURLVisited(details);
  91 }
  92
  93 }  // namespace ios