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| 1 // Copyright (c) 2012 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 "chrome/browser/omnibox_search_hint.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/command_line.h" | |
| 9 #include "base/memory/weak_ptr.h" | |
| 10 #include "base/message_loop.h" | |
| 11 #include "base/metrics/histogram.h" | |
| 12 #include "base/prefs/pref_service.h" | |
| 13 #include "chrome/browser/autocomplete/autocomplete_match.h" | |
| 14 #include "chrome/browser/autocomplete/autocomplete_result.h" | |
| 15 #include "chrome/browser/infobars/confirm_infobar_delegate.h" | |
| 16 #include "chrome/browser/infobars/infobar_service.h" | |
| 17 #include "chrome/browser/omnibox/omnibox_log.h" | |
| 18 #include "chrome/browser/profiles/profile.h" | |
| 19 #include "chrome/browser/search_engines/template_url.h" | |
| 20 #include "chrome/browser/search_engines/template_url_service.h" | |
| 21 #include "chrome/browser/search_engines/template_url_service_factory.h" | |
| 22 #include "chrome/browser/ui/browser.h" | |
| 23 #include "chrome/browser/ui/browser_finder.h" | |
| 24 #include "chrome/browser/ui/browser_window.h" | |
| 25 #include "chrome/browser/ui/omnibox/location_bar.h" | |
| 26 #include "chrome/browser/ui/omnibox/omnibox_view.h" | |
| 27 #include "chrome/common/chrome_notification_types.h" | |
| 28 #include "chrome/common/chrome_switches.h" | |
| 29 #include "chrome/common/pref_names.h" | |
| 30 #include "content/public/browser/navigation_details.h" | |
| 31 #include "content/public/browser/navigation_entry.h" | |
| 32 #include "content/public/browser/notification_details.h" | |
| 33 #include "content/public/browser/notification_source.h" | |
| 34 #include "content/public/browser/notification_types.h" | |
| 35 #include "content/public/browser/web_contents.h" | |
| 36 #include "grit/generated_resources.h" | |
| 37 #include "grit/theme_resources.h" | |
| 38 #include "ui/base/l10n/l10n_util.h" | |
| 39 | |
| 40 using content::NavigationController; | |
| 41 using content::NavigationEntry; | |
| 42 | |
| 43 | |
| 44 // HintInfoBarDelegate --------------------------------------------------------- | |
| 45 | |
| 46 class HintInfoBarDelegate : public ConfirmInfoBarDelegate { | |
| 47 public: | |
| 48 // If the active entry for |web_contents| is a navigation to the user's | |
| 49 // default search engine, and the engine is on a small whitelist, creates a | |
| 50 // "you can search from the omnibox" hint delegate and adds it to the | |
| 51 // InfoBarService for |web_contents|. | |
| 52 static void Create(content::WebContents* web_contents, | |
| 53 OmniboxSearchHint* omnibox_hint); | |
| 54 | |
| 55 private: | |
| 56 HintInfoBarDelegate(OmniboxSearchHint* omnibox_hint, | |
| 57 InfoBarService* infobar_service); | |
| 58 virtual ~HintInfoBarDelegate(); | |
| 59 | |
| 60 void AllowExpiry() { should_expire_ = true; } | |
| 61 | |
| 62 // ConfirmInfoBarDelegate: | |
| 63 virtual void InfoBarDismissed() OVERRIDE; | |
| 64 virtual int GetIconID() const OVERRIDE; | |
| 65 virtual Type GetInfoBarType() const OVERRIDE; | |
| 66 virtual string16 GetMessageText() const OVERRIDE; | |
| 67 virtual int GetButtons() const OVERRIDE; | |
| 68 virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE; | |
| 69 virtual bool Accept() OVERRIDE; | |
| 70 virtual bool ShouldExpireInternal( | |
| 71 const content::LoadCommittedDetails& details) const OVERRIDE; | |
| 72 | |
| 73 // The omnibox hint that shows us. | |
| 74 OmniboxSearchHint* omnibox_hint_; | |
| 75 | |
| 76 // Whether the user clicked one of the buttons. | |
| 77 bool action_taken_; | |
| 78 | |
| 79 // Whether the info-bar should be dismissed on the next navigation. | |
| 80 bool should_expire_; | |
| 81 | |
| 82 // Used to delay the expiration of the info-bar. | |
| 83 base::WeakPtrFactory<HintInfoBarDelegate> weak_factory_; | |
| 84 | |
| 85 DISALLOW_COPY_AND_ASSIGN(HintInfoBarDelegate); | |
| 86 }; | |
| 87 | |
| 88 // static | |
| 89 void HintInfoBarDelegate::Create(content::WebContents* web_contents, | |
| 90 OmniboxSearchHint* omnibox_hint) { | |
| 91 // The URLs of search engines for which we want to trigger the infobar. | |
| 92 const char* const kSearchEngineURLs[] = { | |
| 93 "http://www.google.com/", | |
| 94 "http://www.yahoo.com/", | |
| 95 "http://www.bing.com/", | |
| 96 "http://www.altavista.com/", | |
| 97 "http://www.ask.com/", | |
| 98 "http://www.wolframalpha.com/", | |
| 99 }; | |
| 100 CR_DEFINE_STATIC_LOCAL(std::set<std::string>, search_engine_urls, ()); | |
| 101 if (search_engine_urls.empty()) { | |
| 102 for (size_t i = 0; i < arraysize(kSearchEngineURLs); ++i) | |
| 103 search_engine_urls.insert(kSearchEngineURLs[i]); | |
| 104 } | |
| 105 | |
| 106 content::NavigationEntry* entry = | |
| 107 web_contents->GetController().GetActiveEntry(); | |
| 108 if (search_engine_urls.find(entry->GetURL().spec()) == | |
| 109 search_engine_urls.end()) { | |
| 110 // The search engine is not in our white-list, bail. | |
| 111 return; | |
| 112 } | |
| 113 | |
| 114 Profile* profile = | |
| 115 Profile::FromBrowserContext(web_contents->GetBrowserContext()); | |
| 116 const TemplateURL* const default_provider = | |
| 117 TemplateURLServiceFactory::GetForProfile(profile)-> | |
| 118 GetDefaultSearchProvider(); | |
| 119 if (!default_provider) | |
| 120 return; | |
| 121 | |
| 122 if (default_provider->url_ref().GetHost() == entry->GetURL().host()) { | |
| 123 InfoBarService* infobar_service = | |
| 124 InfoBarService::FromWebContents(web_contents); | |
| 125 infobar_service->AddInfoBar(scoped_ptr<InfoBarDelegate>( | |
| 126 new HintInfoBarDelegate(omnibox_hint, infobar_service))); | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 HintInfoBarDelegate::HintInfoBarDelegate(OmniboxSearchHint* omnibox_hint, | |
| 131 InfoBarService* infobar_service) | |
| 132 : ConfirmInfoBarDelegate(infobar_service), | |
| 133 omnibox_hint_(omnibox_hint), | |
| 134 action_taken_(false), | |
| 135 should_expire_(false), | |
| 136 weak_factory_(this) { | |
| 137 // We want the info-bar to stick-around for few seconds and then be hidden | |
| 138 // on the next navigation after that. | |
| 139 base::MessageLoop::current()->PostDelayedTask( | |
| 140 FROM_HERE, | |
| 141 base::Bind(&HintInfoBarDelegate::AllowExpiry, weak_factory_.GetWeakPtr()), | |
| 142 base::TimeDelta::FromSeconds(8)); | |
| 143 } | |
| 144 | |
| 145 HintInfoBarDelegate::~HintInfoBarDelegate() { | |
| 146 if (!action_taken_) | |
| 147 UMA_HISTOGRAM_COUNTS("OmniboxSearchHint.Ignored", 1); | |
| 148 } | |
| 149 | |
| 150 void HintInfoBarDelegate::InfoBarDismissed() { | |
| 151 action_taken_ = true; | |
| 152 UMA_HISTOGRAM_COUNTS("OmniboxSearchHint.Closed", 1); | |
| 153 // User closed the infobar, let's not bug him again with this in the future. | |
| 154 omnibox_hint_->DisableHint(); | |
| 155 } | |
| 156 | |
| 157 int HintInfoBarDelegate::GetIconID() const { | |
| 158 return IDR_INFOBAR_QUESTION_MARK; | |
| 159 } | |
| 160 | |
| 161 InfoBarDelegate::Type HintInfoBarDelegate::GetInfoBarType() const { | |
| 162 return PAGE_ACTION_TYPE; | |
| 163 } | |
| 164 | |
| 165 string16 HintInfoBarDelegate::GetMessageText() const { | |
| 166 return l10n_util::GetStringUTF16(IDS_OMNIBOX_SEARCH_HINT_INFOBAR_TEXT); | |
| 167 } | |
| 168 | |
| 169 int HintInfoBarDelegate::GetButtons() const { | |
| 170 return BUTTON_OK; | |
| 171 } | |
| 172 | |
| 173 string16 HintInfoBarDelegate::GetButtonLabel(InfoBarButton button) const { | |
| 174 DCHECK_EQ(BUTTON_OK, button); | |
| 175 return l10n_util::GetStringUTF16( | |
| 176 IDS_OMNIBOX_SEARCH_HINT_INFOBAR_BUTTON_LABEL); | |
| 177 } | |
| 178 | |
| 179 bool HintInfoBarDelegate::Accept() { | |
| 180 action_taken_ = true; | |
| 181 UMA_HISTOGRAM_COUNTS("OmniboxSearchHint.ShowMe", 1); | |
| 182 omnibox_hint_->DisableHint(); | |
| 183 omnibox_hint_->ShowEnteringQuery(); | |
| 184 return true; | |
| 185 } | |
| 186 | |
| 187 bool HintInfoBarDelegate::ShouldExpireInternal( | |
| 188 const content::LoadCommittedDetails& details) const { | |
| 189 return should_expire_; | |
| 190 } | |
| 191 | |
| 192 | |
| 193 // OmniboxSearchHint ---------------------------------------------------------- | |
| 194 | |
| 195 DEFINE_WEB_CONTENTS_USER_DATA_KEY(OmniboxSearchHint); | |
| 196 | |
| 197 OmniboxSearchHint::OmniboxSearchHint(content::WebContents* web_contents) | |
| 198 : web_contents_(web_contents) { | |
| 199 NavigationController* controller = &(web_contents->GetController()); | |
| 200 notification_registrar_.Add( | |
| 201 this, | |
| 202 content::NOTIFICATION_NAV_ENTRY_COMMITTED, | |
| 203 content::Source<NavigationController>(controller)); | |
| 204 | |
| 205 Profile* profile = | |
| 206 Profile::FromBrowserContext(web_contents->GetBrowserContext()); | |
| 207 // Listen for omnibox to figure-out when the user searches from the omnibox. | |
| 208 notification_registrar_.Add(this, | |
| 209 chrome::NOTIFICATION_OMNIBOX_OPENED_URL, | |
| 210 content::Source<Profile>(profile)); | |
| 211 } | |
| 212 | |
| 213 OmniboxSearchHint::~OmniboxSearchHint() { | |
| 214 } | |
| 215 | |
| 216 void OmniboxSearchHint::Observe(int type, | |
| 217 const content::NotificationSource& source, | |
| 218 const content::NotificationDetails& details) { | |
| 219 if (type == content::NOTIFICATION_NAV_ENTRY_COMMITTED) { | |
| 220 HintInfoBarDelegate::Create(web_contents_, this); | |
| 221 } else if (type == chrome::NOTIFICATION_OMNIBOX_OPENED_URL) { | |
| 222 OmniboxLog* log = content::Details<OmniboxLog>(details).ptr(); | |
| 223 AutocompleteMatch::Type type = | |
| 224 log->result.match_at(log->selected_index).type; | |
| 225 if (AutocompleteMatch::IsSearchType(type)) { | |
| 226 // The user performed a search from the omnibox, don't show the infobar | |
| 227 // again. | |
| 228 DisableHint(); | |
| 229 } | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 void OmniboxSearchHint::ShowEnteringQuery() { | |
| 234 LocationBar* location_bar = chrome::FindBrowserWithWebContents( | |
| 235 web_contents_)->window()->GetLocationBar(); | |
| 236 OmniboxView* omnibox_view = location_bar->GetLocationEntry(); | |
| 237 location_bar->FocusLocation(true); | |
| 238 omnibox_view->SetUserText( | |
| 239 l10n_util::GetStringUTF16(IDS_OMNIBOX_SEARCH_HINT_OMNIBOX_TEXT)); | |
| 240 omnibox_view->SelectAll(false); | |
| 241 // Entering text in the omnibox view triggers the suggestion popup that we | |
| 242 // don't want to show in this case. | |
| 243 omnibox_view->CloseOmniboxPopup(); | |
| 244 } | |
| 245 | |
| 246 void OmniboxSearchHint::DisableHint() { | |
| 247 // The NAV_ENTRY_COMMITTED notification was needed to show the infobar, the | |
| 248 // OMNIBOX_OPENED_URL notification was there to set the kShowOmniboxSearchHint | |
| 249 // prefs to false, none of them are needed anymore. | |
| 250 notification_registrar_.RemoveAll(); | |
| 251 Profile* profile = | |
| 252 Profile::FromBrowserContext(web_contents_->GetBrowserContext()); | |
| 253 profile->GetPrefs()->SetBoolean(prefs::kShowOmniboxSearchHint, false); | |
| 254 } | |
| 255 | |
| 256 // static | |
| 257 bool OmniboxSearchHint::IsEnabled(Profile* profile) { | |
| 258 // The infobar can only be shown if the correct switch has been provided and | |
| 259 // the user did not dismiss the infobar before. | |
| 260 return profile->GetPrefs()->GetBoolean(prefs::kShowOmniboxSearchHint) && | |
| 261 CommandLine::ForCurrentProcess()->HasSwitch( | |
| 262 switches::kSearchInOmniboxHint); | |
| 263 } | |
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Chromium Code Reviews
Issue 15822005:
Remove omnibox_search_hint.(cc,h). (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master