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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_ 6 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/timer/timer.h" 11 #include "base/win/win_util.h" 12 #include "content/common/content_export.h" 13 #include "content/common/drag_event_source_info.h" 14 #include "content/port/browser/render_view_host_delegate_view.h" 15 #include "content/port/browser/web_contents_view_port.h" 16 #include "ui/gfx/win/window_impl.h" 17 18 namespace ui { 19 class HWNDMessageFilter; 20 } 21 22 namespace content { 23 class WebContentsDragWin; 24 class WebContentsImpl; 25 class WebContentsViewDelegate; 26 class WebDragDest; 27 28 // An implementation of WebContentsView for Windows. 29 class CONTENT_EXPORT WebContentsViewWin 30 : public WebContentsViewPort, 31 public RenderViewHostDelegateView, 32 public gfx::WindowImpl { 33 public: 34 WebContentsViewWin(WebContentsImpl* web_contents, 35 WebContentsViewDelegate* delegate); 36 virtual ~WebContentsViewWin(); 37 38 BEGIN_MSG_MAP_EX(WebContentsViewWin) 39 MESSAGE_HANDLER(WM_CREATE, OnCreate) 40 MESSAGE_HANDLER(WM_DESTROY, OnDestroy) 41 MESSAGE_HANDLER(WM_WINDOWPOSCHANGED, OnWindowPosChanged) 42 MESSAGE_HANDLER(WM_LBUTTONDOWN, OnMouseDown) 43 MESSAGE_HANDLER(WM_MBUTTONDOWN, OnMouseDown) 44 MESSAGE_HANDLER(WM_RBUTTONDOWN, OnMouseDown) 45 MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove) 46 // Hacks for old ThinkPad touchpads/scroll points. 47 MESSAGE_HANDLER(WM_NCCALCSIZE, OnNCCalcSize) 48 MESSAGE_HANDLER(WM_NCHITTEST, OnNCHitTest) 49 MESSAGE_HANDLER(WM_HSCROLL, OnScroll) 50 MESSAGE_HANDLER(WM_VSCROLL, OnScroll) 51 MESSAGE_HANDLER(WM_SIZE, OnSize) 52 END_MSG_MAP() 53 54 // Overridden from WebContentsView: 55 virtual gfx::NativeView GetNativeView() const OVERRIDE; 56 virtual gfx::NativeView GetContentNativeView() const OVERRIDE; 57 virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE; 58 virtual void GetContainerBounds(gfx::Rect *out) const OVERRIDE; 59 virtual void OnTabCrashed(base::TerminationStatus status, 60 int error_code) OVERRIDE; 61 virtual void SizeContents(const gfx::Size& size) OVERRIDE; 62 virtual void Focus() OVERRIDE; 63 virtual void SetInitialFocus() OVERRIDE; 64 virtual void StoreFocus() OVERRIDE; 65 virtual void RestoreFocus() OVERRIDE; 66 virtual DropData* GetDropData() const OVERRIDE; 67 virtual gfx::Rect GetViewBounds() const OVERRIDE; 68 69 // Overridden from WebContentsViewPort: 70 virtual void CreateView( 71 const gfx::Size& initial_size, gfx::NativeView context) OVERRIDE; 72 virtual RenderWidgetHostView* CreateViewForWidget( 73 RenderWidgetHost* render_widget_host) OVERRIDE; 74 virtual RenderWidgetHostView* CreateViewForPopupWidget( 75 RenderWidgetHost* render_widget_host) OVERRIDE; 76 virtual void SetPageTitle(const base::string16& title) OVERRIDE; 77 virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE; 78 virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE; 79 virtual void SetOverscrollControllerEnabled(bool enabled) OVERRIDE; 80 81 // Implementation of RenderViewHostDelegateView. 82 virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE; 83 virtual void ShowPopupMenu(const gfx::Rect& bounds, 84 int item_height, 85 double item_font_size, 86 int selected_item, 87 const std::vector<MenuItem>& items, 88 bool right_aligned, 89 bool allow_multiple_selection) OVERRIDE; 90 virtual void StartDragging(const DropData& drop_data, 91 blink::WebDragOperationsMask operations, 92 const gfx::ImageSkia& image, 93 const gfx::Vector2d& image_offset, 94 const DragEventSourceInfo& event_info) OVERRIDE; 95 virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE; 96 virtual void GotFocus() OVERRIDE; 97 virtual void TakeFocus(bool reverse) OVERRIDE; 98 99 WebContentsImpl* web_contents() const { return web_contents_; } 100 101 private: 102 void EndDragging(); 103 void CloseTab(); 104 105 LRESULT OnCreate( 106 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 107 LRESULT OnDestroy( 108 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 109 LRESULT OnWindowPosChanged( 110 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 111 LRESULT OnMouseDown( 112 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 113 LRESULT OnMouseMove( 114 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 115 LRESULT OnReflectedMessage( 116 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 117 LRESULT OnNCCalcSize( 118 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 119 LRESULT OnNCHitTest( 120 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 121 LRESULT OnScroll( 122 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 123 LRESULT OnSize( 124 UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled); 125 126 gfx::Size initial_size_; 127 128 // The WebContentsImpl whose contents we display. 129 WebContentsImpl* web_contents_; 130 131 scoped_ptr<WebContentsViewDelegate> delegate_; 132 133 // The helper object that handles drag destination related interactions with 134 // Windows. 135 scoped_refptr<WebDragDest> drag_dest_; 136 137 // Used to handle the drag-and-drop. 138 scoped_refptr<WebContentsDragWin> drag_handler_; 139 140 scoped_ptr<ui::HWNDMessageFilter> hwnd_message_filter_; 141 142 DISALLOW_COPY_AND_ASSIGN(WebContentsViewWin); 143 }; 144 145 } // namespace content 146 147 #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_ 148
