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 #ifndef CHROME_BROWSER_AUTOCOMPLETE_EXTENSION_APP_PROVIDER_H_ 6 #define CHROME_BROWSER_AUTOCOMPLETE_EXTENSION_APP_PROVIDER_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 #include "base/gtest_prod_util.h" 13 #include "chrome/browser/autocomplete/autocomplete_input.h" 14 #include "chrome/browser/autocomplete/autocomplete_match.h" 15 #include "chrome/browser/autocomplete/autocomplete_provider.h" 16 #include "components/metrics/proto/omnibox_input_type.pb.h" 17 #include "content/public/browser/notification_observer.h" 18 #include "content/public/browser/notification_registrar.h" 19 #include "ui/base/window_open_disposition.h" 20 21 // This provider is responsible for keeping track of which Extension Apps are 22 // installed and their URLs. An instance of it gets created and managed by 23 // AutocompleteController. 24 class ExtensionAppProvider : public AutocompleteProvider, 25 public content::NotificationObserver { 26 public: 27 ExtensionAppProvider(AutocompleteProviderListener* listener, 28 Profile* profile); 29 30 // AutocompleteProvider: 31 virtual void Start(const AutocompleteInput& input, 32 bool minimal_changes) OVERRIDE; 33 34 // Launch an Extension App from |match| details provided by the Omnibox. If 35 // the application wants to launch as a window or panel, |disposition| is 36 // ignored; otherwise it's used to determine in which tab we'll launch the 37 // application. 38 static void LaunchAppFromOmnibox(const AutocompleteMatch& match, 39 Profile* profile, 40 WindowOpenDisposition disposition); 41 42 private: 43 friend class ExtensionAppProviderTest; 44 FRIEND_TEST_ALL_PREFIXES(ExtensionAppProviderTest, CreateMatchSanitize); 45 46 // ExtensionApp stores the minimal metadata that we need to match against 47 // eligible apps. 48 struct ExtensionApp { 49 // App's name. 50 base::string16 name; 51 // App's launch URL (for platform apps, which don't have a launch URL, this 52 // just points to the app's origin). 53 base::string16 launch_url; 54 // If false, then the launch_url will not be considered for matching, 55 // not shown next to the match, and not displayed as the editable text if 56 // the user selects the match with the arrow keys. 57 bool should_match_against_launch_url; 58 }; 59 typedef std::vector<ExtensionApp> ExtensionApps; 60 61 virtual ~ExtensionAppProvider(); 62 63 void AddExtensionAppForTesting(const ExtensionApp& extension_app); 64 65 // Construct a match for the specified parameters. 66 AutocompleteMatch CreateAutocompleteMatch(const AutocompleteInput& input, 67 const ExtensionApp& app, 68 size_t name_match_index, 69 size_t url_match_index); 70 71 // Fetch the current app list and cache it locally. 72 void RefreshAppList(); 73 74 // Calculate the relevance of the match. 75 int CalculateRelevance(metrics::OmniboxInputType::Type type, 76 int input_length, 77 int target_length, 78 const GURL& url); 79 80 // content::NotificationObserver implementation: 81 virtual void Observe(int type, 82 const content::NotificationSource& source, 83 const content::NotificationDetails& details) OVERRIDE; 84 85 content::NotificationRegistrar registrar_; 86 87 // Our cache of ExtensionApp objects (name + url) representing the extension 88 // apps we know/care about. 89 ExtensionApps extension_apps_; 90 91 DISALLOW_COPY_AND_ASSIGN(ExtensionAppProvider); 92 }; 93 94 #endif // CHROME_BROWSER_AUTOCOMPLETE_EXTENSION_APP_PROVIDER_H_ 95