Add a specialized apps::NativeAppWindow for app_shell

apps/shell/browser/shell_native_app_window.h

Index: apps/shell/browser/shell_native_app_window.h
diff --git a/apps/shell/browser/shell_native_app_window.h b/apps/shell/browser/shell_native_app_window.h
new file mode 100644
index 0000000000000000000000000000000000000000..e6e6d8074d6718b13aac29f08f87ef297f656167
--- /dev/null
+++ b/apps/shell/browser/shell_native_app_window.h
@@ -0,0 +1,148 @@
+// Copyright 2014 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 APPS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_H_
+#define APPS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_H_
+
+#include "apps/ui/native_app_window.h"
+#include "base/observer_list.h"
+#include "ui/views/widget/widget_delegate.h"
+#include "ui/views/widget/widget_observer.h"
+
+namespace views {
+class WebView;
+class Widget;
+}
+
+namespace apps {
+
+class ShellWindowFrameView;
+
+// A simple views-based native app window implementation for app_shell. It is
+// frameless and is permanently in the "restored" state (not maximized or
+// fullscreen).
+class ShellNativeAppWindow : public NativeAppWindow,
+                             public views::WidgetDelegateView,
+                             public views::WidgetObserver {
+ public:
+  ShellNativeAppWindow();
+  virtual ~ShellNativeAppWindow();
+
+  void Init(ShellWindow* shell_window, const gfx::Rect& window_bounds);
+
+ private:
+  // Initializes |window_| to center it on the screen.
+  void InitializeWindow(const gfx::Rect& window_bounds);
+
+  // Informs observers of the size of the view (initially and on update).
+  void OnViewWasResized();
+
+  // Returns this app's extension.
+  const extensions::Extension* GetExtension();
+
+  // Returns the WebContents for the app.
+  content::WebContents* GetWebContents();
+
+  // ui::BaseWindow implementation.
+  virtual bool IsActive() const OVERRIDE;
+  virtual bool IsMaximized() const OVERRIDE;
+  virtual bool IsMinimized() const OVERRIDE;
+  virtual bool IsFullscreen() const OVERRIDE;
+  virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
+  virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
+  virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
+  virtual gfx::Rect GetBounds() const OVERRIDE;
+  virtual void Show() OVERRIDE;
+  virtual void ShowInactive() OVERRIDE;
+  virtual void Hide() OVERRIDE;
+  virtual void Close() OVERRIDE;
+  virtual void Activate() OVERRIDE;
+  virtual void Deactivate() OVERRIDE;
+  virtual void Maximize() OVERRIDE;
+  virtual void Minimize() OVERRIDE;
+  virtual void Restore() OVERRIDE;
+  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
+  virtual void FlashFrame(bool flash) OVERRIDE;
+  virtual bool IsAlwaysOnTop() const OVERRIDE;
+  virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
+
+  // WidgetDelegate implementation.
+  virtual void OnWidgetMove() OVERRIDE;
+  virtual views::View* GetInitiallyFocusedView() OVERRIDE;
+  virtual bool CanResize() const OVERRIDE;
+  virtual bool CanMaximize() const OVERRIDE;
+  virtual base::string16 GetWindowTitle() const OVERRIDE;
+  virtual bool ShouldShowWindowTitle() const OVERRIDE;
+  virtual gfx::ImageSkia GetWindowAppIcon() OVERRIDE;
+  virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
+  virtual bool ShouldShowWindowIcon() const OVERRIDE;
+  virtual void SaveWindowPlacement(const gfx::Rect& bounds,
+                                   ui::WindowShowState show_state) OVERRIDE;
+  virtual void DeleteDelegate() OVERRIDE;
+  virtual views::Widget* GetWidget() OVERRIDE;
+  virtual const views::Widget* GetWidget() const OVERRIDE;
+  virtual views::View* GetContentsView() OVERRIDE;
+  virtual views::NonClientFrameView* CreateNonClientFrameView(
+      views::Widget* widget) OVERRIDE;
+  virtual bool WidgetHasHitTestMask() const OVERRIDE;
+  virtual void GetWidgetHitTestMask(gfx::Path* mask) const OVERRIDE;
+  virtual bool ShouldDescendIntoChildForEventHandling(
+      gfx::NativeView child,
+      const gfx::Point& location) OVERRIDE;
+
+  // WidgetObserver implementation.
+  virtual void OnWidgetVisibilityChanged(views::Widget* widget,
+                                         bool visible) OVERRIDE;
+  virtual void OnWidgetActivationChanged(views::Widget* widget,
+                                         bool active) OVERRIDE;
+
+  // views::View implementation.
+  virtual void Layout() OVERRIDE;
+  virtual void ViewHierarchyChanged(
+      const ViewHierarchyChangedDetails& details) OVERRIDE;
+  virtual gfx::Size GetMinimumSize() OVERRIDE;
+  virtual gfx::Size GetMaximumSize() OVERRIDE;
+  virtual void OnFocus() OVERRIDE;
+  virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
+
+  // NativeAppWindow implementation.
+  virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
+  virtual bool IsFullscreenOrPending() const OVERRIDE;
+  virtual bool IsDetached() const OVERRIDE;
+  virtual void UpdateWindowIcon() OVERRIDE;
+  virtual void UpdateWindowTitle() OVERRIDE;
+  virtual void UpdateBadgeIcon() OVERRIDE;
+  virtual void UpdateDraggableRegions(
+      const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
+  virtual SkRegion* GetDraggableRegion() OVERRIDE;
+  virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
+  virtual void HandleKeyboardEvent(
+      const content::NativeWebKeyboardEvent& event) OVERRIDE;
+  virtual bool IsFrameless() const OVERRIDE;
+  virtual gfx::Insets GetFrameInsets() const OVERRIDE;
+  virtual void HideWithApp() OVERRIDE;
+  virtual void ShowWithApp() OVERRIDE;
+  virtual void UpdateWindowMinMaxSize() OVERRIDE;
+
+  // web_modal::WebContentsModalDialogHost implementation.
+  virtual gfx::NativeView GetHostView() const OVERRIDE;
+  virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
+  virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
+  virtual void AddObserver(
+      web_modal::ModalDialogHostObserver* observer) OVERRIDE;
+  virtual void RemoveObserver(
+      web_modal::ModalDialogHostObserver* observer) OVERRIDE;
+
+  ShellWindow* shell_window_;  // Not owned.
+  views::WebView* web_view_;
+  views::Widget* window_;
+
+  ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellNativeAppWindow);
+};
+
+}  // namespace apps
+
+#endif  // APPS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_H_