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/page_action_controller.h" 6 7 #include <set> 8 9 #include "base/lazy_instance.h" 10 #include "base/metrics/histogram.h" 11 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h" 12 #include "chrome/browser/extensions/extension_action.h" 13 #include "chrome/browser/extensions/extension_action_manager.h" 14 #include "chrome/browser/extensions/tab_helper.h" 15 #include "chrome/browser/profiles/profile.h" 16 #include "chrome/browser/sessions/session_id.h" 17 #include "content/public/browser/navigation_details.h" 18 #include "content/public/browser/web_contents.h" 19 #include "extensions/browser/extension_registry.h" 20 #include "extensions/common/extension_set.h" 21 22 namespace extensions { 23 24 // Keeps track of the profiles for which we've sent UMA statistics. 25 base::LazyInstance<std::set<Profile*> > g_reported_for_profiles = 26 LAZY_INSTANCE_INITIALIZER; 27 PageActionController(content::WebContents * web_contents)28PageActionController::PageActionController(content::WebContents* web_contents) 29 : web_contents_(web_contents) { 30 } 31 ~PageActionController()32PageActionController::~PageActionController() { 33 } 34 GetActionForExtension(const Extension * extension)35ExtensionAction* PageActionController::GetActionForExtension( 36 const Extension* extension) { 37 return ExtensionActionManager::Get(GetProfile())->GetPageAction(*extension); 38 } 39 OnClicked(const Extension * extension)40LocationBarController::Action PageActionController::OnClicked( 41 const Extension* extension) { 42 ExtensionAction* page_action = 43 ExtensionActionManager::Get(GetProfile())->GetPageAction(*extension); 44 CHECK(page_action); 45 46 int tab_id = SessionID::IdForTab(web_contents_); 47 TabHelper::FromWebContents(web_contents_)-> 48 active_tab_permission_granter()->GrantIfRequested(extension); 49 50 if (page_action->HasPopup(tab_id)) 51 return LocationBarController::ACTION_SHOW_POPUP; 52 53 ExtensionActionAPI::PageActionExecuted( 54 web_contents_->GetBrowserContext(), 55 *page_action, 56 tab_id, 57 web_contents_->GetLastCommittedURL().spec(), 58 1 /* Button indication. We only ever pass left-click. */); 59 60 return LocationBarController::ACTION_NONE; 61 } 62 OnNavigated()63void PageActionController::OnNavigated() { 64 const ExtensionSet& extensions = 65 ExtensionRegistry::Get(web_contents_->GetBrowserContext()) 66 ->enabled_extensions(); 67 int tab_id = SessionID::IdForTab(web_contents_); 68 size_t num_current_actions = 0u; 69 for (ExtensionSet::const_iterator iter = extensions.begin(); 70 iter != extensions.end(); 71 ++iter) { 72 ExtensionAction* action = GetActionForExtension(*iter); 73 if (action) { 74 action->ClearAllValuesForTab(tab_id); 75 ++num_current_actions; 76 } 77 } 78 79 Profile* profile = GetProfile(); 80 // Report the number of page actions for this profile, if we haven't already. 81 // TODO(rdevlin.cronin): This is wrong. Instead, it should record the number 82 // of page actions displayed per page. 83 if (!g_reported_for_profiles.Get().count(profile)) { 84 UMA_HISTOGRAM_COUNTS_100("PageActionController.ExtensionsWithPageActions", 85 num_current_actions); 86 g_reported_for_profiles.Get().insert(profile); 87 } 88 89 LocationBarController::NotifyChange(web_contents_); 90 } 91 GetProfile()92Profile* PageActionController::GetProfile() { 93 return Profile::FromBrowserContext(web_contents_->GetBrowserContext()); 94 } 95 96 } // namespace extensions 97