Add PanelWindow and PanelLayoutManager to ash. (+ win fix)

    
This implements a sample implementation of a WidgetDelegateView (PanelWindow) and a LayoutManager to provide an initial out
    
ash_shell must be run with --aura-panels to get the new behavior, since Chrome currently relies on existing behavior for wi

BUG=98330
TEST=Run ash_shell --aura-panels to see a simple panel test implementation. Ensure panels work as expected in Chrome.

Original Review URL: http://codereview.chromium.org/9104027
TBR=dslomov@chromium.org


Review URL: http://codereview.chromium.org/9325051

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@120478 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 53 insertions, 0 deletions

diff --git a/ash/shell/panel_window.h b/ash/shell/panel_window.h
new file mode 100644
index 0000000..cc1afbd
--- /dev/null
+++ b/ash/shell/panel_window.h
@@ -0,0 +1,53 @@
+// 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.
+
+#ifndef ASH_SHELL_PANEL_WINDOW_H_
+#define ASH_SHELL_PANEL_WINDOW_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "ui/aura/aura_export.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace ash {
+
+// Example Class for panel windows (Widget::InitParams::TYPE_PANEL).
+// Instances of PanelWindow will get added to the PanelContainer top level
+// window which manages the panel layout through PanelLayoutManager.
+class PanelWindow : public views::WidgetDelegateView {
+ public:
+  explicit PanelWindow(const std::string& name);
+  virtual ~PanelWindow();
+
+  // Creates the widget for the panel window using |params_|.
+  views::Widget* CreateWidget();
+
+  const std::string& name() { return name_; }
+  views::Widget::InitParams& params() { return params_; }
+
+  // Creates a panel window and returns the associated widget.
+  static views::Widget* CreatePanelWindow(const gfx::Rect& rect);
+
+ private:
+  // Overridden from views::View:
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+
+  // Overridden from views::WidgetDelegate:
+  virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual View* GetContentsView() OVERRIDE;
+  virtual bool CanResize() const OVERRIDE;
+  virtual bool CanMaximize() const OVERRIDE;
+  virtual views::NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
+
+  std::string name_;
+  views::Widget::InitParams params_;
+
+  DISALLOW_COPY_AND_ASSIGN(PanelWindow);
+};
+
+}  // namespace ash
+
+#endif  // ASH_SHELL_PANEL_WINDOW_H_