[Metrics] Make MetricsStateManager take a callback param to check if UMA is enabled.
[chromium-blink-merge.git] / chrome / browser / ui / views / frame / browser_desktop_window_tree_host.h
blobe44f3d457a80a55e077aa3019e7fc36d393ce4ac
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_DESKTOP_WINDOW_TREE_HOST_H_
6 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_DESKTOP_WINDOW_TREE_HOST_H_
8 class BrowserFrame;
9 class BrowserView;
10 namespace gfx {
11 class Rect;
13 namespace views {
14 class DesktopNativeWidgetAura;
15 class DesktopWindowTreeHost;
16 namespace internal {
17 class NativeWidgetDelegate;
21 // Interface to a platform specific browser frame implementation. The object
22 // implementing this interface will also implement views::DesktopWindowTreeHost.
23 class BrowserDesktopWindowTreeHost {
24 public:
25 // BDRWH is owned by the RootWindow.
26 static BrowserDesktopWindowTreeHost* CreateBrowserDesktopWindowTreeHost(
27 views::internal::NativeWidgetDelegate* native_widget_delegate,
28 views::DesktopNativeWidgetAura* desktop_native_widget_aura,
29 BrowserView* browser_view,
30 BrowserFrame* browser_frame);
32 virtual views::DesktopWindowTreeHost* AsDesktopWindowTreeHost() = 0;
34 virtual int GetMinimizeButtonOffset() const = 0;
36 // Returns true if the OS takes care of showing the system menu. Returning
37 // false means BrowserFrame handles showing the system menu.
38 virtual bool UsesNativeSystemMenu() const = 0;
42 #endif // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_DESKTOP_WINDOW_TREE_HOST_H_