chrome/browser/ui/android/tab_model/tab_model.cc

   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/android/tab_model/tab_model.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "chrome/browser/chrome_notification_types.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/search_engines/search_terms_data.h"
  12 #include "chrome/browser/sync/glue/synced_window_delegate_android.h"
  13 #include "chrome/browser/ui/toolbar/toolbar_model_impl.h"
  14 #include "content/public/browser/notification_service.h"
  15
  16 using content::NotificationService;
  17
  18 TabModel::TabModel(Profile* profile)
  19   : profile_(profile),
  20     synced_window_delegate_(
  21         new browser_sync::SyncedWindowDelegateAndroid(this)) {
  22
  23   if (profile) {
  24     // A normal Profile creates an OTR profile if it does not exist when
  25     // GetOffTheRecordProfile() is called, so we guard it with
  26     // HasOffTheRecordProfile(). An OTR profile returns itself when you call
  27     // GetOffTheRecordProfile().
  28     is_off_the_record_ = (profile->HasOffTheRecordProfile() &&
  29         profile == profile->GetOffTheRecordProfile());
  30
  31     // A profile can be destroyed, for example in the case of closing all
  32     // incognito tabs. We therefore must listen for when this happens, and
  33     // remove our pointer to the profile accordingly.
  34     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
  35                    content::Source<Profile>(profile_));
  36     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CREATED,
  37                    content::NotificationService::AllSources());
  38   } else {
  39     is_off_the_record_ = false;
  40   }
  41 }
  42
  43 TabModel::~TabModel() {
  44 }
  45
  46 Profile* TabModel::GetProfile() const {
  47   return profile_;
  48 }
  49
  50 bool TabModel::IsOffTheRecord() const {
  51   return is_off_the_record_;
  52 }
  53
  54 browser_sync::SyncedWindowDelegate* TabModel::GetSyncedWindowDelegate() const {
  55   return synced_window_delegate_.get();
  56 }
  57
  58 SessionID::id_type TabModel::GetSessionId() const {
  59   return session_id_.id();
  60 }
  61
  62 void TabModel::BroadcastSessionRestoreComplete() {
  63   if (profile_) {
  64     NotificationService::current()->Notify(
  65         chrome::NOTIFICATION_SESSION_RESTORE_COMPLETE,
  66         content::Source<Profile>(profile_),
  67         NotificationService::NoDetails());
  68   } else {
  69     // TODO(nyquist): Uncomment this once downstream Android uses new
  70     // constructor that takes a Profile* argument. See crbug.com/159704.
  71     // NOTREACHED();
  72   }
  73 }
  74
  75 void TabModel::Observe(
  76     int type,
  77     const content::NotificationSource& source,
  78     const content::NotificationDetails& details) {
  79   switch (type) {
  80     case chrome::NOTIFICATION_PROFILE_DESTROYED:
  81       // Our profile just got destroyed, so we delete our pointer to it.
  82       profile_ = NULL;
  83       break;
  84     case chrome::NOTIFICATION_PROFILE_CREATED:
  85       // Our incognito tab model out lives the profile, so we need to recapture
  86       // the pointer if ours was previously deleted.
  87       // NOTIFICATION_PROFILE_DESTROYED is not sent for every destruction, so
  88       // we overwrite the pointer regardless of whether it's NULL.
  89       if (is_off_the_record_) {
  90         Profile* profile = content::Source<Profile>(source).ptr();
  91         if (profile && profile->IsOffTheRecord())
  92           profile_ = profile;
  93       }
  94       break;
  95     default:
  96       NOTREACHED();
  97   }
  98 }