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