Remove stops_event_propagation from Window, since it's broken.

ash/shell/lock_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 "ash/shell.h"
+#include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/shell/example_factory.h"
 #include "ash/tooltips/tooltip_controller.h"
 #include "base/utf_string_conversions.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
+#include "ui/views/controls/button/text_button.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 using ash::Shell;
 
 namespace ash {
 namespace shell {
 
-class LockView : public views::WidgetDelegateView {
+class LockView : public views::WidgetDelegateView,
+                 public views::ButtonListener {
  public:
-  LockView() {}
+  LockView() : unlock_button_(ALLOW_THIS_IN_INITIALIZER_LIST(
+                   new views::NativeTextButton(this, ASCIIToUTF16("Unlock")))) {
+    AddChildView(unlock_button_);
+    unlock_button_->set_focusable(true);
+  }
   virtual ~LockView() {}
 
-  // Overridden from View:
+  // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE {
     return gfx::Size(500, 400);
   }
 
  private:
-  // Overridden from View:
+  // Overridden from views::View:
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
     canvas->FillRect(GetLocalBounds(), SK_ColorYELLOW);
     string16 text = ASCIIToUTF16("LOCKED!");
     int string_width = font_.GetStringWidth(text);
     canvas->DrawStringInt(text, font_, SK_ColorRED, (width() - string_width)/ 2,
                           (height() - font_.GetHeight()) / 2,
                           string_width, font_.GetHeight());
   }
-  virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE {
-    return true;
+  virtual void Layout() OVERRIDE {
+    gfx::Rect bounds = GetLocalBounds();
+    gfx::Size ps = unlock_button_->GetPreferredSize();
+    bounds.set_y(bounds.bottom() - ps.height() - 5);
+    bounds.set_x((bounds.width() - ps.width()) / 2);
+    bounds.set_size(ps);
+    unlock_button_->SetBoundsRect(bounds);
   }
-  virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE {
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    views::View* parent,
+                                    views::View* child) OVERRIDE {
+    if (is_add && child == this)
+      unlock_button_->RequestFocus();
+  }
+
+  // Overridden from views::WidgetDelegateView:
+  virtual void WindowClosing() OVERRIDE {
+    Shell::GetInstance()->delegate()->UnlockScreen();
+  }
+
+  // Overridden from views::ButtonListener:
+  virtual void ButtonPressed(views::Button* sender,
+                             const views::Event& event) OVERRIDE {
+    DCHECK(sender == unlock_button_);
     GetWidget()->Close();
   }
 
   gfx::Font font_;
+  views::NativeTextButton* unlock_button_;
 
   DISALLOW_COPY_AND_ASSIGN(LockView);
 };
 
 void CreateLockScreen() {
   LockView* lock_view = new LockView;
   views::Widget* widget = new views::Widget;
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
+  views::Widget::InitParams params(
+      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   gfx::Size ps = lock_view->GetPreferredSize();
 
   gfx::Size root_window_size = Shell::GetRootWindow()->GetHostSize();
   params.bounds = gfx::Rect((root_window_size.width() - ps.width()) / 2,
                             (root_window_size.height() - ps.height()) / 2,
                             ps.width(), ps.height());
   params.delegate = lock_view;
   params.parent =
       Shell::GetInstance()->GetContainer(
           ash::internal::kShellWindowId_LockScreenContainer);
   widget->Init(params);
   widget->SetContentsView(lock_view);
   widget->Show();
   widget->GetNativeView()->SetName("LockView");
+  widget->GetNativeView()->Focus();
 
   Shell::GetInstance()->tooltip_controller()->UpdateTooltip(
       widget->GetNativeView());
 }
 
 }  // namespace shell
 }  // namespace ash