1 files changed, 109 insertions, 0 deletions
diff --git a/chromium/ash/shell/lock_view.cc b/chromium/ash/shell/lock_view.cc
new file mode 100644
index 00000000000..aee013328aa
--- /dev/null
+++ b/chromium/ash/shell/lock_view.cc
@@ -0,0 +1,109 @@
+// 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/session_state_delegate.h"
+#include "ash/shell.h"
+#include "ash/shell_window_ids.h"
+#include "ash/shell/example_factory.h"
+#include "base/strings/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/label_button.h"
+#include "ui/views/corewm/tooltip_controller.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,
+                 public views::ButtonListener {
+ public:
+  LockView()
+      : unlock_button_(new views::LabelButton(this, ASCIIToUTF16("Unlock"))) {
+    unlock_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
+    AddChildView(unlock_button_);
+    unlock_button_->set_focusable(true);
+  }
+  virtual ~LockView() {}
+
+  // Overridden from views::View:
+  virtual gfx::Size GetPreferredSize() OVERRIDE {
+    return gfx::Size(500, 400);
+  }
+
+ private:
+  // Overridden from views::View:
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
+    canvas->FillRect(GetLocalBounds(), SK_ColorYELLOW);
+    base::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 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 ViewHierarchyChanged(
+      const ViewHierarchyChangedDetails& details) OVERRIDE {
+    if (details.is_add && details.child == this)
+      unlock_button_->RequestFocus();
+  }
+
+  // Overridden from views::WidgetDelegateView:
+  virtual void WindowClosing() OVERRIDE {
+    Shell::GetInstance()->session_state_delegate()->UnlockScreen();
+  }
+
+  // Overridden from views::ButtonListener:
+  virtual void ButtonPressed(views::Button* sender,
+                             const ui::Event& event) OVERRIDE {
+    DCHECK(sender == unlock_button_);
+    GetWidget()->Close();
+  }
+
+  gfx::Font font_;
+  views::LabelButton* 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_WINDOW_FRAMELESS);
+  gfx::Size ps = lock_view->GetPreferredSize();
+
+  gfx::Size root_window_size = Shell::GetPrimaryRootWindow()->bounds().size();
+  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::GetContainer(
+      Shell::GetPrimaryRootWindow(),
+      internal::kShellWindowId_LockScreenContainer);
+  widget->Init(params);
+  widget->SetContentsView(lock_view);
+  widget->Show();
+  widget->GetNativeView()->SetName("LockView");
+  widget->GetNativeView()->Focus();
+
+  // TODO: it shouldn't be necessary to invoke UpdateTooltip() here.
+  Shell::GetInstance()->tooltip_controller()->UpdateTooltip(
+      widget->GetNativeView());
+}
+
+}  // namespace shell
+}  // namespace ash