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
  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_