Support web contents modal dialogs within SimpleWebViewDialog and WebUILoginView

chrome/browser/chromeos/login/webui_login_view.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/webui_login_view.h"
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 180 matching lines @@
 
   WebContents* web_contents = webui_login_->GetWebContents();
 
   // 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);
 
   web_contents->SetDelegate(this);
   renderer_preferences_util::UpdateFromSystemSettings(
       web_contents->GetMutableRendererPrefs(),
       signin_profile);
 
   registrar_.Add(this,
                  content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED,
                  content::Source<WebContents>(web_contents));
 }
 
 const char* WebUILoginView::GetClassName() const {
   return kViewClassName;
 }
 
+web_modal::WebContentsModalDialogHost*
+    WebUILoginView::GetWebContentsModalDialogHost() {
+  return this;
+}
+
+gfx::NativeView WebUILoginView::GetHostView() const {
+  return GetWidget()->GetNativeView();
+}
+
+gfx::Point WebUILoginView::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 WebUILoginView::AddObserver(
+    web_modal::WebContentsModalDialogHostObserver* observer) {
+  if (observer && !observer_list_.HasObserver(observer))
+    observer_list_.AddObserver(observer);
+}
+
+void WebUILoginView::RemoveObserver(
+    web_modal::WebContentsModalDialogHostObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
 bool WebUILoginView::AcceleratorPressed(
     const ui::Accelerator& accelerator) {
   AccelMap::const_iterator entry = accel_map_.find(accelerator);
   if (entry == accel_map_.end())
     return false;
 
   if (!webui_login_)
     return true;
 
   content::WebUI* web_ui = GetWebUI();
@@ skipping 66 matching lines @@
 void WebUILoginView::SetUIEnabled(bool enabled) {
   forward_keyboard_event_ = enabled;
   ash::Shell::GetInstance()->GetPrimarySystemTray()->SetEnabled(enabled);
 }
 
 // WebUILoginView protected: ---------------------------------------------------
 
 void WebUILoginView::Layout() {
   DCHECK(webui_login_);
   webui_login_->SetBoundsRect(bounds());
+
+  FOR_EACH_OBSERVER(web_modal::WebContentsModalDialogHostObserver,
+                    observer_list_,
+                    OnPositionRequiresUpdate());
 }
 
 void WebUILoginView::OnLocaleChanged() {
 }
 
 void WebUILoginView::ChildPreferredSizeChanged(View* child) {
   Layout();
   SchedulePaint();
 }
 
@@ skipping 105 matching lines @@
   aura::Env::GetInstance()->set_render_white_bg(true);
 }
 
 void WebUILoginView::ReturnFocus(bool reverse) {
   // Return the focus to the web contents.
   webui_login_->web_contents()->FocusThroughTabTraversal(reverse);
   GetWidget()->Activate();
 }
 
 }  // namespace chromeos