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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/extensions/extension_omnibox_api.h" | |
| 6 | |
| 7 #include "base/json/json_writer.h" | |
| 8 #include "base/lazy_instance.h" | |
| 9 #include "base/metrics/histogram.h" | |
| 10 #include "base/string_util.h" | |
| 11 #include "base/utf_string_conversions.h" | |
| 12 #include "base/values.h" | |
| 13 #include "chrome/browser/extensions/extension_event_router.h" | |
| 14 #include "chrome/browser/extensions/extension_service.h" | |
| 15 #include "chrome/browser/profiles/profile.h" | |
| 16 #include "chrome/browser/search_engines/template_url.h" | |
| 17 #include "chrome/browser/ui/browser.h" | |
| 18 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h" | |
| 19 #include "chrome/common/chrome_notification_types.h" | |
| 20 #include "chrome/common/extensions/extension_constants.h" | |
| 21 #include "content/public/browser/notification_service.h" | |
| 22 | |
| 23 namespace events { | |
| 24 const char kOnInputStarted[] = "omnibox.onInputStarted"; | |
| 25 const char kOnInputChanged[] = "omnibox.onInputChanged"; | |
| 26 const char kOnInputEntered[] = "omnibox.onInputEntered"; | |
| 27 const char kOnInputCancelled[] = "omnibox.onInputCancelled"; | |
| 28 }; // namespace events | |
| 29 | |
| 30 namespace { | |
| 31 const char kDescriptionStylesOrderError[] = | |
| 32 "Suggestion descriptionStyles must be in increasing non-overlapping order."; | |
| 33 const char kDescriptionStylesLengthError[] = | |
| 34 "Suggestion descriptionStyles contains an offset longer than the" | |
| 35 " description text"; | |
| 36 | |
| 37 const char kSuggestionContent[] = "content"; | |
| 38 const char kSuggestionDescription[] = "description"; | |
| 39 const char kSuggestionDescriptionStyles[] = "descriptionStyles"; | |
| 40 const char kDescriptionStylesType[] = "type"; | |
| 41 const char kDescriptionStylesOffset[] = "offset"; | |
| 42 const char kDescriptionStylesLength[] = "length"; | |
| 43 | |
| 44 static base::LazyInstance<base::PropertyAccessor<ExtensionOmniboxSuggestion> > | |
| 45 g_extension_omnibox_suggestion_property_accessor = | |
| 46 LAZY_INSTANCE_INITIALIZER; | |
| 47 | |
| 48 base::PropertyAccessor<ExtensionOmniboxSuggestion>& GetPropertyAccessor() { | |
| 49 return g_extension_omnibox_suggestion_property_accessor.Get(); | |
| 50 } | |
| 51 | |
| 52 // Returns the suggestion object set by the extension via the | |
| 53 // omnibox.setDefaultSuggestion call, or NULL if it was never set. | |
| 54 const ExtensionOmniboxSuggestion* GetDefaultSuggestionForExtension( | |
| 55 Profile* profile, const std::string& extension_id) { | |
| 56 const Extension* extension = | |
| 57 profile->GetExtensionService()->GetExtensionById(extension_id, false); | |
| 58 if (!extension) | |
| 59 return NULL; | |
| 60 return GetPropertyAccessor().GetProperty( | |
| 61 profile->GetExtensionService()->GetPropertyBag(extension)); | |
| 62 } | |
| 63 | |
| 64 }; // namespace | |
| 65 | |
| 66 // static | |
| 67 void ExtensionOmniboxEventRouter::OnInputStarted( | |
| 68 Profile* profile, const std::string& extension_id) { | |
| 69 profile->GetExtensionEventRouter()->DispatchEventToExtension( | |
| 70 extension_id, events::kOnInputStarted, "[]", profile, GURL()); | |
| 71 } | |
| 72 | |
| 73 // static | |
| 74 bool ExtensionOmniboxEventRouter::OnInputChanged( | |
| 75 Profile* profile, const std::string& extension_id, | |
| 76 const std::string& input, int suggest_id) { | |
| 77 if (!profile->GetExtensionEventRouter()->ExtensionHasEventListener( | |
| 78 extension_id, events::kOnInputChanged)) | |
| 79 return false; | |
| 80 | |
| 81 ListValue args; | |
| 82 args.Set(0, Value::CreateStringValue(input)); | |
| 83 args.Set(1, Value::CreateIntegerValue(suggest_id)); | |
| 84 std::string json_args; | |
| 85 base::JSONWriter::Write(&args, &json_args); | |
| 86 | |
| 87 profile->GetExtensionEventRouter()->DispatchEventToExtension( | |
| 88 extension_id, events::kOnInputChanged, json_args, profile, GURL()); | |
| 89 return true; | |
| 90 } | |
| 91 | |
| 92 // static | |
| 93 void ExtensionOmniboxEventRouter::OnInputEntered( | |
| 94 Profile* profile, const std::string& extension_id, | |
| 95 const std::string& input) { | |
| 96 ListValue args; | |
| 97 args.Set(0, Value::CreateStringValue(input)); | |
| 98 std::string json_args; | |
| 99 base::JSONWriter::Write(&args, &json_args); | |
| 100 | |
| 101 profile->GetExtensionEventRouter()->DispatchEventToExtension( | |
| 102 extension_id, events::kOnInputEntered, json_args, profile, GURL()); | |
| 103 | |
| 104 content::NotificationService::current()->Notify( | |
| 105 chrome::NOTIFICATION_EXTENSION_OMNIBOX_INPUT_ENTERED, | |
| 106 content::Source<Profile>(profile), | |
| 107 content::NotificationService::NoDetails()); | |
| 108 } | |
| 109 | |
| 110 // static | |
| 111 void ExtensionOmniboxEventRouter::OnInputCancelled( | |
| 112 Profile* profile, const std::string& extension_id) { | |
| 113 profile->GetExtensionEventRouter()->DispatchEventToExtension( | |
| 114 extension_id, events::kOnInputCancelled, "[]", profile, GURL()); | |
| 115 } | |
| 116 | |
| 117 bool OmniboxSendSuggestionsFunction::RunImpl() { | |
| 118 ExtensionOmniboxSuggestions suggestions; | |
| 119 ListValue* suggestions_value; | |
| 120 EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &suggestions.request_id)); | |
| 121 EXTENSION_FUNCTION_VALIDATE(args_->GetList(1, &suggestions_value)); | |
| 122 | |
| 123 suggestions.suggestions.resize(suggestions_value->GetSize()); | |
| 124 for (size_t i = 0; i < suggestions_value->GetSize(); ++i) { | |
| 125 ExtensionOmniboxSuggestion& suggestion = suggestions.suggestions[i]; | |
| 126 DictionaryValue* suggestion_value; | |
| 127 EXTENSION_FUNCTION_VALIDATE(suggestions_value->GetDictionary( | |
| 128 i, &suggestion_value)); | |
| 129 EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString( | |
| 130 kSuggestionContent, &suggestion.content)); | |
| 131 EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString( | |
| 132 kSuggestionDescription, &suggestion.description)); | |
| 133 | |
| 134 if (suggestion_value->HasKey(kSuggestionDescriptionStyles)) { | |
| 135 ListValue* styles; | |
| 136 EXTENSION_FUNCTION_VALIDATE( | |
| 137 suggestion_value->GetList(kSuggestionDescriptionStyles, &styles)); | |
| 138 EXTENSION_FUNCTION_VALIDATE(suggestion.ReadStylesFromValue(*styles)); | |
| 139 } else { | |
| 140 suggestion.description_styles.clear(); | |
| 141 suggestion.description_styles.push_back( | |
| 142 ACMatchClassification(0, ACMatchClassification::NONE)); | |
| 143 } | |
| 144 } | |
| 145 | |
| 146 content::NotificationService::current()->Notify( | |
| 147 chrome::NOTIFICATION_EXTENSION_OMNIBOX_SUGGESTIONS_READY, | |
| 148 content::Source<Profile>(profile_->GetOriginalProfile()), | |
| 149 content::Details<ExtensionOmniboxSuggestions>(&suggestions)); | |
| 150 | |
| 151 return true; | |
| 152 } | |
| 153 | |
| 154 bool OmniboxSetDefaultSuggestionFunction::RunImpl() { | |
| 155 ExtensionOmniboxSuggestion suggestion; | |
| 156 DictionaryValue* suggestion_value; | |
| 157 EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &suggestion_value)); | |
| 158 EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString( | |
| 159 kSuggestionDescription, &suggestion.description)); | |
| 160 | |
| 161 if (suggestion_value->HasKey(kSuggestionDescriptionStyles)) { | |
| 162 ListValue* styles; | |
| 163 EXTENSION_FUNCTION_VALIDATE( | |
| 164 suggestion_value->GetList(kSuggestionDescriptionStyles, &styles)); | |
| 165 EXTENSION_FUNCTION_VALIDATE(suggestion.ReadStylesFromValue(*styles)); | |
| 166 } else { | |
| 167 suggestion.description_styles.clear(); | |
| 168 suggestion.description_styles.push_back( | |
| 169 ACMatchClassification(0, ACMatchClassification::NONE)); | |
| 170 } | |
| 171 | |
| 172 // Store the suggestion in the extension's runtime data. | |
| 173 GetPropertyAccessor().SetProperty( | |
| 174 profile_->GetExtensionService()->GetPropertyBag(GetExtension()), | |
| 175 suggestion); | |
| 176 | |
| 177 content::NotificationService::current()->Notify( | |
| 178 chrome::NOTIFICATION_EXTENSION_OMNIBOX_DEFAULT_SUGGESTION_CHANGED, | |
| 179 content::Source<Profile>(profile_->GetOriginalProfile()), | |
| 180 content::NotificationService::NoDetails()); | |
| 181 | |
| 182 return true; | |
| 183 } | |
| 184 | |
| 185 ExtensionOmniboxSuggestion::ExtensionOmniboxSuggestion() {} | |
| 186 | |
| 187 ExtensionOmniboxSuggestion::~ExtensionOmniboxSuggestion() {} | |
| 188 | |
| 189 bool ExtensionOmniboxSuggestion::ReadStylesFromValue( | |
| 190 const ListValue& styles_value) { | |
| 191 description_styles.clear(); | |
| 192 | |
| 193 // Step 1: Build a vector of styles, 1 per character of description text. | |
| 194 std::vector<int> styles; | |
| 195 styles.resize(description.length()); // sets all styles to 0 | |
| 196 | |
| 197 for (size_t i = 0; i < styles_value.GetSize(); ++i) { | |
| 198 DictionaryValue* style; | |
| 199 std::string type; | |
| 200 int offset; | |
| 201 int length; | |
| 202 if (!styles_value.GetDictionary(i, &style)) | |
| 203 return false; | |
| 204 if (!style->GetString(kDescriptionStylesType, &type)) | |
| 205 return false; | |
| 206 if (!style->GetInteger(kDescriptionStylesOffset, &offset)) | |
| 207 return false; | |
| 208 if (!style->GetInteger(kDescriptionStylesLength, &length) || length < 0) | |
| 209 length = description.length(); | |
| 210 | |
| 211 if (offset < 0) | |
| 212 offset = std::max(0, static_cast<int>(description.length()) + offset); | |
| 213 | |
| 214 int type_class = | |
| 215 (type == "url") ? ACMatchClassification::URL : | |
| 216 (type == "match") ? ACMatchClassification::MATCH : | |
| 217 (type == "dim") ? ACMatchClassification::DIM : -1; | |
| 218 if (type_class == -1) | |
| 219 return false; | |
| 220 | |
| 221 for (int j = offset; | |
| 222 j < offset + length && j < static_cast<int>(styles.size()); ++j) | |
| 223 styles[j] |= type_class; | |
| 224 } | |
| 225 | |
| 226 // Step 2: Convert the vector into continuous runs of common styles. | |
| 227 for (size_t i = 0; i < styles.size(); ++i) { | |
| 228 if (i == 0 || styles[i] != styles[i-1]) | |
| 229 description_styles.push_back(ACMatchClassification(i, styles[i])); | |
| 230 } | |
| 231 | |
| 232 return true; | |
| 233 } | |
| 234 | |
| 235 ExtensionOmniboxSuggestions::ExtensionOmniboxSuggestions() : request_id(0) {} | |
| 236 | |
| 237 ExtensionOmniboxSuggestions::~ExtensionOmniboxSuggestions() {} | |
| 238 | |
| 239 void ApplyDefaultSuggestionForExtensionKeyword( | |
| 240 Profile* profile, | |
| 241 const TemplateURL* keyword, | |
| 242 const string16& remaining_input, | |
| 243 AutocompleteMatch* match) { | |
| 244 DCHECK(keyword->IsExtensionKeyword()); | |
| 245 const ExtensionOmniboxSuggestion* suggestion = | |
| 246 GetDefaultSuggestionForExtension(profile, keyword->GetExtensionId()); | |
| 247 if (!suggestion) | |
| 248 return; // fall back to the universal default | |
| 249 | |
| 250 const string16 kPlaceholderText(ASCIIToUTF16("%s")); | |
| 251 const string16 kReplacementText(ASCIIToUTF16("<input>")); | |
| 252 | |
| 253 string16 description = suggestion->description; | |
| 254 ACMatchClassifications& description_styles = match->contents_class; | |
| 255 description_styles = suggestion->description_styles; | |
| 256 | |
| 257 // Replace "%s" with the user's input and adjust the style offsets to the | |
| 258 // new length of the description. | |
| 259 size_t placeholder(suggestion->description.find(kPlaceholderText, 0)); | |
| 260 if (placeholder != string16::npos) { | |
| 261 string16 replacement = | |
| 262 remaining_input.empty() ? kReplacementText : remaining_input; | |
| 263 description.replace(placeholder, kPlaceholderText.length(), replacement); | |
| 264 | |
| 265 for (size_t i = 0; i < description_styles.size(); ++i) { | |
| 266 if (description_styles[i].offset > placeholder) | |
| 267 description_styles[i].offset += replacement.length() - 2; | |
| 268 } | |
| 269 } | |
| 270 | |
| 271 match->contents.assign(description); | |
| 272 } | |
| 273 | |
| 274 void LaunchAppFromOmnibox(const AutocompleteMatch& match, | |
| 275 Profile* profile, | |
| 276 WindowOpenDisposition disposition) { | |
| 277 ExtensionService* service = profile->GetExtensionService(); | |
| 278 const Extension* extension = | |
| 279 service->GetInstalledApp(match.destination_url); | |
| 280 // While the Omnibox popup is open, the extension can be updated, changing | |
| 281 // its URL and leaving us with no extension being found. In this case, we | |
| 282 // ignore the request. | |
| 283 if (!extension) | |
| 284 return; | |
| 285 | |
| 286 AppLauncherHandler::RecordAppLaunchType( | |
| 287 extension_misc::APP_LAUNCH_OMNIBOX_APP); | |
| 288 | |
| 289 // Look at the preferences to find the right launch container. If no | |
| 290 // preference is set, launch as a regular tab. | |
| 291 extension_misc::LaunchContainer launch_container = | |
| 292 service->extension_prefs()->GetLaunchContainer( | |
| 293 extension, ExtensionPrefs::LAUNCH_REGULAR); | |
| 294 | |
| 295 Browser::OpenApplication(profile, extension, launch_container, GURL(), | |
| 296 disposition); | |
| 297 } | |
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Chromium Code Reviews
Issue 10265022:
Moving extensions inside chrome/browser/extensions/ (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src