Support web contents modal dialogs within SimpleWebViewDialog and WebUILoginView

chrome/browser/chromeos/login/simple_web_view_dialog.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/simple_web_view_dialog.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
@@ skipping 141 matching lines @@
   WebContents* web_contents = web_view_->GetWebContents();
   DCHECK(web_contents);
 
   // Create the password manager that is needed for the proxy.
   PasswordManagerDelegateImpl::CreateForWebContents(web_contents);
   PasswordManager::CreateForWebContentsAndDelegate(
       web_contents, PasswordManagerDelegateImpl::FromWebContents(web_contents));
 
   // LoginHandlerViews uses a constrained window for the password manager view.
   WebContentsModalDialogManager::CreateForWebContents(web_contents);
+  WebContentsModalDialogManager::FromWebContents(web_contents)->
+      set_delegate(this);
 }
 
 void SimpleWebViewDialog::Init() {
   set_background(views::Background::CreateSolidBackground(SK_ColorWHITE));
 
   // Back/Forward buttons.
   back_ = new views::ImageButton(this);
   back_->set_triggerable_event_flags(ui::EF_LEFT_MOUSE_BUTTON |
                                      ui::EF_MIDDLE_MOUSE_BUTTON);
   back_->set_tag(IDC_BACK);
@@ skipping 55 matching lines @@
   layout->StartRow(1, 1);
   layout->AddView(web_view_container_.release());
   layout->AddPaddingRow(0, kInnerMargin);
 
   location_bar_->Init();
   UpdateReload(web_view_->web_contents()->IsLoading(), true);
 
   Layout();
 }
 
+void SimpleWebViewDialog::Layout() {
+  views::WidgetDelegateView::Layout();
+
+  FOR_EACH_OBSERVER(web_modal::WebContentsModalDialogHostObserver,
+                    observer_list_,
+                    OnPositionRequiresUpdate());
+}
+
 views::View* SimpleWebViewDialog::GetContentsView() {
   return this;
 }
 
 views::View* SimpleWebViewDialog::GetInitiallyFocusedView() {
   return web_view_;
 }
 
 void SimpleWebViewDialog::ButtonPressed(views::Button* sender,
                                         const ui::Event& event) {
@@ skipping 88 matching lines @@
       // Always reload ignoring cache.
     case IDC_RELOAD_IGNORING_CACHE:
     case IDC_RELOAD_CLEARING_CACHE:
       web_contents->GetController().ReloadIgnoringCache(true);
       break;
     default:
       NOTREACHED();
   }
 }
 
+web_modal::WebContentsModalDialogHost*
+    SimpleWebViewDialog::GetWebContentsModalDialogHost() {
+  return this;
+}
+
+gfx::NativeView SimpleWebViewDialog::GetHostView() const {
+  return GetWidget()->GetNativeView();
+}
+
+gfx::Point SimpleWebViewDialog::GetDialogPosition(const gfx::Size& size) {
+  // Center the widget.
+  gfx::Size widget_size = GetWidget()->GetWindowBoundsInScreen().size();
+  return gfx::Point(widget_size.width() / 2 - size.width() / 2,
+                    widget_size.height() / 2 - size.height() / 2);
+}
+
+void SimpleWebViewDialog::AddObserver(
+    web_modal::WebContentsModalDialogHostObserver* observer) {
+  if (observer && !observer_list_.HasObserver(observer))
+    observer_list_.AddObserver(observer);
+}
+
+void SimpleWebViewDialog::RemoveObserver(
+    web_modal::WebContentsModalDialogHostObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
 void SimpleWebViewDialog::LoadImages() {
   ui::ThemeProvider* tp = GetThemeProvider();
 
   back_->SetImage(views::CustomButton::STATE_NORMAL,
                   tp->GetImageSkiaNamed(IDR_BACK));
   back_->SetImage(views::CustomButton::STATE_HOVERED,
                   tp->GetImageSkiaNamed(IDR_BACK_H));
   back_->SetImage(views::CustomButton::STATE_PRESSED,
                   tp->GetImageSkiaNamed(IDR_BACK_P));
   back_->SetImage(views::CustomButton::STATE_DISABLED,
@@ skipping 20 matching lines @@
 
 void SimpleWebViewDialog::UpdateReload(bool is_loading, bool force) {
   if (reload_) {
     reload_->ChangeMode(
         is_loading ? ReloadButton::MODE_STOP : ReloadButton::MODE_RELOAD,
         force);
   }
 }
 
 }  // namespace chromeos