Enable WebUI ScreenLocker for aura by abstracting lock window.

chrome/browser/chromeos/login/lock_window_aura.cc

+// Copyright (c) 2011 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/lock_window_aura.h"
+#include "ui/aura/desktop.h"
+#include "ui/aura/window.h"
+#include "ui/aura_shell/shell.h"
+#include "ui/aura_shell/shell_window_ids.h"
+
+namespace chromeos {
+
+LockWindow* LockWindow::Create() {
+  LockWindowAura* window = new LockWindowAura();
+  return window;
+}
+
+LockWindowAura::LockWindowAura() : views::Widget() {
+  Init();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// LockWindow implementation:
+void LockWindowAura::SetContentsView(views::View* content) {
+  views::Widget::SetContentsView(content);
+}
+
+void LockWindowAura::Show(DOMView* dom_view) {
+  views::Widget::Show();
+  // We already have grab from the lock screen container, just call the ready
+  // callback immediately.
+  if (observer_)
+    observer_->OnLockWindowReady();
+}
+
+views::Widget* LockWindowAura::GetWidget() {
+  return this;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// LockWindowAura private:
+void LockWindowAura::Init() {
+  gfx::Rect bounds(aura::Desktop::GetInstance()->GetHostSize());
+  views::Widget::InitParams params(
+      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+  params.bounds = bounds;

[oshima, 2011/11/29 20:18:06]

nit: or just = gfx::Rect(aura::Desktop...)
up to you.

[flackr, 2011/11/30 20:16:54]

Done.

+  params.parent = aura_shell::Shell::GetInstance()->GetContainer(
+      aura_shell::internal::kShellWindowId_LockScreenContainer);
+  views::Widget::Init(params);
+}
+
+}  // namespace chromeos