chrome/browser/ui/views/chrome_views_delegate.h

   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
  14 class 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 #if defined(USE_ASH)
  43   virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
  44       views::Widget* widget) OVERRIDE;
  45 #endif
  46   virtual void AddRef() OVERRIDE;
  47   virtual void ReleaseRef() OVERRIDE;
  48   virtual void OnBeforeWidgetInit(
  49       views::Widget::InitParams* params,
  50       views::internal::NativeWidgetDelegate* delegate) OVERRIDE;
  51 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  52   virtual bool WindowManagerProvidesTitleBar(bool maximized) OVERRIDE;
  53 #endif
  54 #if defined(OS_WIN)
  55   virtual int GetAppbarAutohideEdges(HMONITOR monitor,
  56                                      const base::Closure& callback) OVERRIDE;
  57 #endif
  58
  59  private:
  60 #if defined(OS_WIN)
  61   typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
  62
  63   // Callback on main thread with the edges. |returned_edges| is the value that
  64   // was returned from the call to GetAutohideEdges() that initiated the lookup.
  65   void OnGotAppbarAutohideEdges(const base::Closure& callback,
  66                                 HMONITOR monitor,
  67                                 int returned_edges,
  68                                 int edges);
  69 #endif
  70
  71   // Function to retrieve default opacity value mainly based on platform
  72   // and desktop context.
  73   views::Widget::InitParams::WindowOpacity GetOpacityForInitParams(
  74       const views::Widget::InitParams& params);
  75
  76 #if defined(OS_WIN)
  77   AppbarAutohideEdgeMap appbar_autohide_edge_map_;
  78   base::WeakPtrFactory<ChromeViewsDelegate> weak_factory_;
  79   // If true we're in the process of notifying a callback from
  80   // GetAutohideEdges().start a new query.
  81   bool in_autohide_edges_callback_;
  82 #endif
  83
  84   DISALLOW_COPY_AND_ASSIGN(ChromeViewsDelegate);
  85 };
  86
  87 #endif  // CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_