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/callback.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/location.h"
  12 #include "build/build_config.h"
  13 #include "ui/accessibility/ax_enums.h"
  14 #include "ui/views/views_delegate.h"
  15
  16 class ChromeViewsDelegate : public views::ViewsDelegate {
  17  public:
  18   ChromeViewsDelegate();
  19   ~ChromeViewsDelegate() override;
  20
  21   // views::ViewsDelegate:
  22   void SaveWindowPlacement(const views::Widget* window,
  23                            const std::string& window_name,
  24                            const gfx::Rect& bounds,
  25                            ui::WindowShowState show_state) override;
  26   bool GetSavedWindowPlacement(const views::Widget* widget,
  27                                const std::string& window_name,
  28                                gfx::Rect* bounds,
  29                                ui::WindowShowState* show_state) const override;
  30   void NotifyAccessibilityEvent(views::View* view,
  31                                 ui::AXEvent event_type) override;
  32 #if defined(OS_WIN)
  33   HICON GetDefaultWindowIcon() const override;
  34   HICON GetSmallWindowIcon() const override;
  35   bool IsWindowInMetro(gfx::NativeWindow window) const override;
  36 #elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
  37   gfx::ImageSkia* GetDefaultWindowIcon() const override;
  38 #endif
  39
  40 #if defined(USE_ASH)
  41   views::NonClientFrameView* CreateDefaultNonClientFrameView(
  42       views::Widget* widget) override;
  43 #endif
  44   void AddRef() override;
  45   void ReleaseRef() override;
  46   void OnBeforeWidgetInit(
  47       views::Widget::InitParams* params,
  48       views::internal::NativeWidgetDelegate* delegate) override;
  49 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  50   bool WindowManagerProvidesTitleBar(bool maximized) override;
  51 #endif
  52   ui::ContextFactory* GetContextFactory() override;
  53   std::string GetApplicationName() override;
  54 #if defined(OS_WIN)
  55   int GetAppbarAutohideEdges(HMONITOR monitor,
  56                              const base::Closure& callback) override;
  57 #endif
  58   scoped_refptr<base::TaskRunner> GetBlockingPoolTaskRunner() override;
  59
  60  private:
  61 #if defined(OS_WIN)
  62   typedef std::map<HMONITOR, int> AppbarAutohideEdgeMap;
  63
  64   // Callback on main thread with the edges. |returned_edges| is the value that
  65   // was returned from the call to GetAutohideEdges() that initiated the lookup.
  66   void OnGotAppbarAutohideEdges(const base::Closure& callback,
  67                                 HMONITOR monitor,
  68                                 int returned_edges,
  69                                 int edges);
  70 #endif
  71
  72   // Function to retrieve default opacity value mainly based on platform
  73   // and desktop context.
  74   views::Widget::InitParams::WindowOpacity GetOpacityForInitParams(
  75       const views::Widget::InitParams& params);
  76
  77 #if defined(OS_WIN)
  78   AppbarAutohideEdgeMap appbar_autohide_edge_map_;
  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
  83   base::WeakPtrFactory<ChromeViewsDelegate> weak_factory_;
  84 #endif
  85
  86   DISALLOW_COPY_AND_ASSIGN(ChromeViewsDelegate);
  87 };
  88
  89 #endif  // CHROME_BROWSER_UI_VIEWS_CHROME_VIEWS_DELEGATE_H_