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   ~ChromeViewsDelegate() override;
  18
  19   // views::ViewsDelegate:
  20   void SaveWindowPlacement(const views::Widget* window,
  21                            const std::string& window_name,
  22                            const gfx::Rect& bounds,
  23                            ui::WindowShowState show_state) override;
  24   bool GetSavedWindowPlacement(const views::Widget* widget,
  25                                const std::string& window_name,
  26                                gfx::Rect* bounds,
  27                                ui::WindowShowState* show_state) const override;
  28   void NotifyAccessibilityEvent(views::View* view,
  29                                 ui::AXEvent event_type) override;
  30 #if defined(OS_WIN)
  31   virtual HICON GetDefaultWindowIcon() const override;
  32   virtual HICON GetSmallWindowIcon() const override;
  33   virtual bool IsWindowInMetro(gfx::NativeWindow window) const override;
  34 #elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
  35   gfx::ImageSkia* GetDefaultWindowIcon() const override;
  36 #endif
  37
  38 #if defined(USE_ASH)
  39   views::NonClientFrameView* CreateDefaultNonClientFrameView(
  40       views::Widget* widget) override;
  41 #endif
  42   void AddRef() override;
  43   void ReleaseRef() override;
  44   void OnBeforeWidgetInit(
  45       views::Widget::InitParams* params,
  46       views::internal::NativeWidgetDelegate* delegate) override;
  47 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  48   bool WindowManagerProvidesTitleBar(bool maximized) override;
  49 #endif
  50   ui::ContextFactory* GetContextFactory() override;
  51 #if defined(OS_WIN)
  52   virtual int GetAppbarAutohideEdges(HMONITOR monitor,
  53                                      const base::Closure& callback) override;
  54 #endif
  55
  56  private:
  57 #if defined(OS_WIN)
  58   typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
  59
  60   // Callback on main thread with the edges. |returned_edges| is the value that
  61   // was returned from the call to GetAutohideEdges() that initiated the lookup.
  62   void OnGotAppbarAutohideEdges(const base::Closure& callback,
  63                                 HMONITOR monitor,
  64                                 int returned_edges,
  65                                 int edges);
  66 #endif
  67
  68   // Function to retrieve default opacity value mainly based on platform
  69   // and desktop context.
  70   views::Widget::InitParams::WindowOpacity GetOpacityForInitParams(
  71       const views::Widget::InitParams& params);
  72
  73 #if defined(OS_WIN)
  74   AppbarAutohideEdgeMap appbar_autohide_edge_map_;
  75   // If true we're in the process of notifying a callback from
  76   // GetAutohideEdges().start a new query.
  77   bool in_autohide_edges_callback_;
  78
  79   base::WeakPtrFactory<ChromeViewsDelegate> weak_factory_;
  80 #endif
  81
  82   DISALLOW_COPY_AND_ASSIGN(ChromeViewsDelegate);
  83 };
  84
  85 #endif  // CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_