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       captive_portal_view_for_testing_(NULL) {
  27   DCHECK(GetState() == STATE_IDLE);
  28 }
  29
  30 CaptivePortalWindowProxy::~CaptivePortalWindowProxy() {
  31   if (!widget_)
  32     return;
  33   DCHECK(GetState() == STATE_DISPLAYED);
  34   widget_->RemoveObserver(this);
  35   widget_->Close();
  36 }
  37
  38 void CaptivePortalWindowProxy::ShowIfRedirected() {
  39   if (GetState() != STATE_IDLE)
  40     return;
  41   InitCaptivePortalView();
  42   DCHECK(GetState() == STATE_WAITING_FOR_REDIRECTION);
  43 }
  44
  45 void CaptivePortalWindowProxy::Show() {
  46   if (ProxySettingsDialog::IsShown()) {
  47     // ProxySettingsDialog is being shown, don't cover it.
  48     Close();
  49     return;
  50   }
  51
  52   if (GetState() == STATE_DISPLAYED)  // Dialog is already shown, do nothing.
  53     return;
  54
  55   InitCaptivePortalView();
  56
  57   CaptivePortalView* captive_portal_view = captive_portal_view_.release();
  58   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
  59       WebContentsModalDialogManager::FromWebContents(web_contents_);
  60   DCHECK(web_contents_modal_dialog_manager);
  61   WebContentsModalDialogManagerDelegate* delegate =
  62       web_contents_modal_dialog_manager->delegate();
  63   DCHECK(delegate);
  64   widget_ = views::Widget::CreateWindowAsFramelessChild(
  65       captive_portal_view,
  66       delegate->GetWebContentsModalDialogHost()->GetHostView());
  67   captive_portal_view->Init();
  68
  69   widget_->AddObserver(this);
  70   web_contents_modal_dialog_manager->ShowModalDialog(
  71       widget_->GetNativeView());
  72   DCHECK(GetState() == STATE_DISPLAYED);
  73 }
  74
  75 void CaptivePortalWindowProxy::Close() {
  76   if (GetState() == STATE_DISPLAYED)
  77     widget_->Close();
  78   captive_portal_view_.reset();
  79   captive_portal_view_for_testing_ = NULL;
  80 }
  81
  82 void CaptivePortalWindowProxy::OnRedirected() {
  83   if (GetState() == STATE_WAITING_FOR_REDIRECTION)
  84     Show();
  85   delegate_->OnPortalDetected();
  86 }
  87
  88 void CaptivePortalWindowProxy::OnOriginalURLLoaded() {
  89   Close();
  90 }
  91
  92 void CaptivePortalWindowProxy::OnWidgetClosing(views::Widget* widget) {
  93   DCHECK(GetState() == STATE_DISPLAYED);
  94   DCHECK(widget == widget_);
  95
  96   DetachFromWidget(widget);
  97
  98   DCHECK(GetState() == STATE_IDLE);
  99 }
 100
 101 void CaptivePortalWindowProxy::OnWidgetDestroying(views::Widget* widget) {
 102   DetachFromWidget(widget);
 103 }
 104
 105 void CaptivePortalWindowProxy::OnWidgetDestroyed(views::Widget* widget) {
 106   DetachFromWidget(widget);
 107 }
 108
 109 void CaptivePortalWindowProxy::InitCaptivePortalView() {
 110   DCHECK(GetState() == STATE_IDLE ||
 111          GetState() == STATE_WAITING_FOR_REDIRECTION);
 112   if (!captive_portal_view_.get()) {
 113     captive_portal_view_.reset(
 114         new CaptivePortalView(ProfileHelper::GetSigninProfile(), this));
 115     captive_portal_view_for_testing_ = captive_portal_view_.get();
 116   }
 117   captive_portal_view_->StartLoad();
 118 }
 119
 120 CaptivePortalWindowProxy::State CaptivePortalWindowProxy::GetState() const {
 121   if (widget_ == NULL) {
 122     if (captive_portal_view_.get() == NULL)
 123       return STATE_IDLE;
 124     else
 125       return STATE_WAITING_FOR_REDIRECTION;
 126   } else {
 127     if (captive_portal_view_.get() == NULL)
 128       return STATE_DISPLAYED;
 129     else
 130       NOTREACHED();
 131   }
 132   return STATE_UNKNOWN;
 133 }
 134
 135 void CaptivePortalWindowProxy::DetachFromWidget(views::Widget* widget) {
 136   if (!widget_ || widget_ != widget)
 137     return;
 138   widget_->RemoveObserver(this);
 139   widget_ = NULL;
 140 }
 141
 142 }  // namespace chromeos