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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/ui/ash/launcher/launcher_app_tab_helper.h"
      6 
      7 #include <vector>
      8 
      9 #include "chrome/browser/browser_process.h"
     10 #include "chrome/browser/extensions/extension_service.h"
     11 #include "chrome/browser/profiles/profile.h"
     12 #include "chrome/browser/profiles/profile_manager.h"
     13 #include "chrome/browser/ui/browser_finder.h"
     14 #include "content/public/browser/navigation_entry.h"
     15 #include "content/public/browser/web_contents.h"
     16 #include "extensions/common/extension.h"
     17 
     18 namespace {
     19 
     20 const extensions::Extension* GetExtensionForTab(Profile* profile,
     21                                                 content::WebContents* tab) {
     22   ExtensionService* extension_service = profile->GetExtensionService();
     23   if (!extension_service || !extension_service->extensions_enabled())
     24     return NULL;
     25   Browser* browser = chrome::FindBrowserWithWebContents(tab);
     26   DCHECK(browser);
     27   GURL url = tab->GetURL();
     28   if (browser->is_app() && tab->GetController().GetEntryCount())
     29     url = tab->GetController().GetEntryAtIndex(0)->GetURL();
     30   return extension_service->GetInstalledApp(url);
     31 }
     32 
     33 const extensions::Extension* GetExtensionByID(Profile* profile,
     34                                               const std::string& id) {
     35   ExtensionService* extension_service = profile->GetExtensionService();
     36   if (!extension_service || !extension_service->extensions_enabled())
     37     return NULL;
     38   return extension_service->GetInstalledExtension(id);
     39 }
     40 
     41 }  // namespace
     42 
     43 LauncherAppTabHelper::LauncherAppTabHelper(Profile* profile)
     44     : profile_(profile) {
     45 }
     46 
     47 LauncherAppTabHelper::~LauncherAppTabHelper() {
     48 }
     49 
     50 std::string LauncherAppTabHelper::GetAppID(content::WebContents* tab) {
     51   ProfileManager* profile_manager = g_browser_process->profile_manager();
     52   if (profile_manager) {
     53     const std::vector<Profile*> profile_list =
     54         profile_manager->GetLoadedProfiles();
     55     if (profile_list.size() > 0) {
     56       for (std::vector<Profile*>::const_iterator it = profile_list.begin();
     57            it != profile_list.end();
     58            ++it) {
     59         const extensions::Extension* extension = GetExtensionForTab(*it, tab);
     60         if (extension)
     61           return extension->id();
     62       }
     63       return std::string();
     64     }
     65   }
     66   // If there is no profile manager we only use the known profile.
     67   const extensions::Extension* extension = GetExtensionForTab(profile_, tab);
     68   return extension ? extension->id() : std::string();
     69 }
     70 
     71 bool LauncherAppTabHelper::IsValidIDForCurrentUser(const std::string& id) {
     72   return GetExtensionByID(profile_, id) != NULL;
     73 }
     74 
     75 void LauncherAppTabHelper::SetCurrentUser(Profile* profile) {
     76   profile_ = profile;
     77 }
     78