AppShell support for Mac.

extensions/shell/browser/shell_native_app_window_mac.h

+// 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 EXTENSIONS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_MAC_H_
+#define EXTENSIONS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_MAC_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/mac/scoped_nsobject.h"
+#include "extensions/shell/browser/shell_native_app_window.h"
+
+@class ShellNSWindow;
+
+namespace extensions {
+class ShellNativeAppWindowMac;
+}
+
+@interface ShellNativeAppWindowController
+    : NSWindowController<NSWindowDelegate> {
+  extensions::ShellNativeAppWindowMac* appWindow_;  // Owns us.
+}
+
+@property(assign, nonatomic) extensions::ShellNativeAppWindowMac* appWindow;
+
+@end
+
+namespace extensions {
+
+// A minimal implementation of ShellNativeAppWindow for Mac Cocoa.
+// Based on the NativeAppWindowCocoa implementation.
+class ShellNativeAppWindowMac : public ShellNativeAppWindow {
+ public:
+  ShellNativeAppWindowMac(extensions::AppWindow* app_window,
+                          const extensions::AppWindow::CreateParams& params);
+  ~ShellNativeAppWindowMac() override;
+
+  // ui::BaseWindow:
+  bool IsActive() const override;
+  gfx::NativeWindow GetNativeWindow() const override;
+  gfx::Rect GetBounds() const override;
+  void Show() override;
+  void Hide() override;
+  void Activate() override;
+  void Deactivate() override;
+  void SetBounds(const gfx::Rect& bounds) override;
+
+  // Called when the window is about to close.
+  void WindowWillClose();
+
+ private:
+  ShellNSWindow* window() const;
+
+  base::scoped_nsobject<ShellNativeAppWindowController> window_controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellNativeAppWindowMac);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_MAC_H_