src/chrome/browser/chromeos/login/captive_portal_window_proxy.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/chromeos/login/captive_portal_window_proxy.h"
   6
   7 #include "chrome/browser/chromeos/login/captive_portal_view.h"
   8 #include "chrome/browser/chromeos/login/proxy_settings_dialog.h"
   9 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  10 #include "components/web_modal/web_contents_modal_dialog_host.h"
  11 #include "components/web_modal/web_contents_modal_dialog_manager.h"
  12 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
  13 #include "ui/views/widget/widget.h"
  14
  15 using web_modal::WebContentsModalDialogManager;
  16 using web_modal::WebContentsModalDialogManagerDelegate;
  17
  18 namespace chromeos {
  19
  20 CaptivePortalWindowProxy::CaptivePortalWindowProxy(
  21     Delegate* delegate,
  22     content::WebContents* web_contents)
  23     : delegate_(delegate),
  24       widget_(NULL),
  25       web_contents_(web_contents) {
  26   DCHECK(GetState() == STATE_IDLE);
  27 }
  28
  29 CaptivePortalWindowProxy::~CaptivePortalWindowProxy() {
  30   if (!widget_)
  31     return;
  32   DCHECK(GetState() == STATE_DISPLAYED);
  33   widget_->RemoveObserver(this);
  34   widget_->Close();
  35 }
  36
  37 void CaptivePortalWindowProxy::ShowIfRedirected() {
  38   if (GetState() != STATE_IDLE)
  39     return;
  40   InitCaptivePortalView();
  41   DCHECK(GetState() == STATE_WAITING_FOR_REDIRECTION);
  42 }
  43
  44 void CaptivePortalWindowProxy::Show() {
  45   if (ProxySettingsDialog::IsShown()) {
  46     // ProxySettingsDialog is being shown, don't cover it.
  47     Close();
  48     return;
  49   }
  50
  51   if (GetState() == STATE_DISPLAYED)  // Dialog is already shown, do nothing.
  52     return;
  53
  54   InitCaptivePortalView();
  55
  56   CaptivePortalView* captive_portal_view = captive_portal_view_.release();
  57   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
  58       WebContentsModalDialogManager::FromWebContents(web_contents_);
  59   DCHECK(web_contents_modal_dialog_manager);
  60   WebContentsModalDialogManagerDelegate* delegate =
  61       web_contents_modal_dialog_manager->delegate();
  62   DCHECK(delegate);
  63   widget_ = views::Widget::CreateWindowAsFramelessChild(
  64       captive_portal_view,
  65       delegate->GetWebContentsModalDialogHost()->GetHostView());
  66   captive_portal_view->Init();
  67
  68   widget_->AddObserver(this);
  69   web_contents_modal_dialog_manager->ShowDialog(widget_->GetNativeView());
  70   DCHECK(GetState() == STATE_DISPLAYED);
  71 }
  72
  73 void CaptivePortalWindowProxy::Close() {
  74   if (GetState() == STATE_DISPLAYED)
  75     widget_->Close();
  76   captive_portal_view_.reset();
  77 }
  78
  79 void CaptivePortalWindowProxy::OnRedirected() {
  80   if (GetState() == STATE_WAITING_FOR_REDIRECTION)
  81     Show();
  82   delegate_->OnPortalDetected();
  83 }
  84
  85 void CaptivePortalWindowProxy::OnOriginalURLLoaded() {
  86   Close();
  87 }
  88
  89 void CaptivePortalWindowProxy::OnWidgetClosing(views::Widget* widget) {
  90   DCHECK(GetState() == STATE_DISPLAYED);
  91   DCHECK(widget == widget_);
  92
  93   DetachFromWidget(widget);
  94
  95   DCHECK(GetState() == STATE_IDLE);
  96 }
  97
  98 void CaptivePortalWindowProxy::OnWidgetDestroying(views::Widget* widget) {
  99   DetachFromWidget(widget);
 100 }
 101
 102 void CaptivePortalWindowProxy::OnWidgetDestroyed(views::Widget* widget) {
 103   DetachFromWidget(widget);
 104 }
 105
 106 void CaptivePortalWindowProxy::InitCaptivePortalView() {
 107   DCHECK(GetState() == STATE_IDLE ||
 108          GetState() == STATE_WAITING_FOR_REDIRECTION);
 109   if (!captive_portal_view_.get()) {
 110     captive_portal_view_.reset(
 111         new CaptivePortalView(ProfileHelper::GetSigninProfile(), this));
 112   }
 113   captive_portal_view_->StartLoad();
 114 }
 115
 116 CaptivePortalWindowProxy::State CaptivePortalWindowProxy::GetState() const {
 117   if (widget_ == NULL) {
 118     if (captive_portal_view_.get() == NULL)
 119       return STATE_IDLE;
 120     else
 121       return STATE_WAITING_FOR_REDIRECTION;
 122   } else {
 123     if (captive_portal_view_.get() == NULL)
 124       return STATE_DISPLAYED;
 125     else
 126       NOTREACHED();
 127   }
 128   return STATE_UNKNOWN;
 129 }
 130
 131 void CaptivePortalWindowProxy::DetachFromWidget(views::Widget* widget) {
 132   if (!widget_ || widget_ != widget)
 133     return;
 134   widget_->RemoveObserver(this);
 135   widget_ = NULL;
 136 }
 137
 138 }  // namespace chromeos