chrome_views_delegate.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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.
4
5#ifndef CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
6#define CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "build/build_config.h"
11#include "ui/accessibility/ax_enums.h"
12#include "ui/views/views_delegate.h"
13
14class ChromeViewsDelegate : public views::ViewsDelegate {
15 public:
16  ChromeViewsDelegate();
17  virtual ~ChromeViewsDelegate();
18
19  // views::ViewsDelegate:
20  virtual void SaveWindowPlacement(const views::Widget* window,
21                                   const std::string& window_name,
22                                   const gfx::Rect& bounds,
23                                   ui::WindowShowState show_state) OVERRIDE;
24  virtual bool GetSavedWindowPlacement(
25      const views::Widget* widget,
26      const std::string& window_name,
27      gfx::Rect* bounds,
28      ui::WindowShowState* show_state) const OVERRIDE;
29  virtual void NotifyAccessibilityEvent(
30      views::View* view, ui::AXEvent event_type) OVERRIDE;
31  virtual void NotifyMenuItemFocused(const base::string16& menu_name,
32                                     const base::string16& menu_item_name,
33                                     int item_index,
34                                     int item_count,
35                                     bool has_submenu) OVERRIDE;
36#if defined(OS_WIN)
37  virtual HICON GetDefaultWindowIcon() const OVERRIDE;
38  virtual bool IsWindowInMetro(gfx::NativeWindow window) const OVERRIDE;
39#elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
40  virtual gfx::ImageSkia* GetDefaultWindowIcon() const OVERRIDE;
41#endif
42
43#if defined(USE_ASH)
44  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
45      views::Widget* widget) OVERRIDE;
46#endif
47  virtual void AddRef() OVERRIDE;
48  virtual void ReleaseRef() OVERRIDE;
49  virtual void OnBeforeWidgetInit(
50      views::Widget::InitParams* params,
51      views::internal::NativeWidgetDelegate* delegate) OVERRIDE;
52#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
53  virtual bool WindowManagerProvidesTitleBar(bool maximized) OVERRIDE;
54#endif
55#if defined(USE_AURA)
56  virtual ui::ContextFactory* GetContextFactory() OVERRIDE;
57#endif
58#if defined(OS_WIN)
59  virtual int GetAppbarAutohideEdges(HMONITOR monitor,
60                                     const base::Closure& callback) OVERRIDE;
61#endif
62
63 private:
64#if defined(OS_WIN)
65  typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
66
67  // Callback on main thread with the edges. |returned_edges| is the value that
68  // was returned from the call to GetAutohideEdges() that initiated the lookup.
69  void OnGotAppbarAutohideEdges(const base::Closure& callback,
70                                HMONITOR monitor,
71                                int returned_edges,
72                                int edges);
73#endif
74
75  // Function to retrieve default opacity value mainly based on platform
76  // and desktop context.
77  views::Widget::InitParams::WindowOpacity GetOpacityForInitParams(
78      const views::Widget::InitParams& params);
79
80#if defined(OS_WIN)
81  AppbarAutohideEdgeMap appbar_autohide_edge_map_;
82  // If true we're in the process of notifying a callback from
83  // GetAutohideEdges().start a new query.
84  bool in_autohide_edges_callback_;
85
86  base::WeakPtrFactory<ChromeViewsDelegate> weak_factory_;
87#endif
88
89  DISALLOW_COPY_AND_ASSIGN(ChromeViewsDelegate);
90};
91
92#endif  // CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_
93