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_MAC_H_ 6 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_ 7 8 #import <Cocoa/Cocoa.h> 9 10 #include <string> 11 #include <vector> 12 13 #include "base/mac/scoped_nsobject.h" 14 #include "base/memory/scoped_ptr.h" 15 #include "content/browser/renderer_host/render_view_host_delegate_view.h" 16 #include "content/browser/web_contents/web_contents_view.h" 17 #include "content/common/content_export.h" 18 #include "content/common/drag_event_source_info.h" 19 #include "ui/base/cocoa/base_view.h" 20 #include "ui/gfx/size.h" 21 22 @class FocusTracker; 23 class SkBitmap; 24 @class WebDragDest; 25 @class WebDragSource; 26 27 namespace content { 28 class PopupMenuHelper; 29 class WebContentsImpl; 30 class WebContentsViewDelegate; 31 class WebContentsViewMac; 32 } 33 34 namespace gfx { 35 class Vector2d; 36 } 37 38 CONTENT_EXPORT 39 @interface WebContentsViewCocoa : BaseView { 40 @private 41 content::WebContentsViewMac* webContentsView_; // WEAK; owns us 42 base::scoped_nsobject<WebDragSource> dragSource_; 43 base::scoped_nsobject<WebDragDest> dragDest_; 44 BOOL mouseDownCanMoveWindow_; 45 } 46 47 - (void)setMouseDownCanMoveWindow:(BOOL)canMove; 48 49 // Expose this, since sometimes one needs both the NSView and the 50 // WebContentsImpl. 51 - (content::WebContentsImpl*)webContents; 52 @end 53 54 namespace content { 55 56 // Mac-specific implementation of the WebContentsView. It owns an NSView that 57 // contains all of the contents of the tab and associated child views. 58 class WebContentsViewMac : public WebContentsView, 59 public RenderViewHostDelegateView { 60 public: 61 // The corresponding WebContentsImpl is passed in the constructor, and manages 62 // our lifetime. This doesn't need to be the case, but is this way currently 63 // because that's what was easiest when they were split. 64 WebContentsViewMac(WebContentsImpl* web_contents, 65 WebContentsViewDelegate* delegate); 66 virtual ~WebContentsViewMac(); 67 68 // WebContentsView implementation -------------------------------------------- 69 virtual gfx::NativeView GetNativeView() const OVERRIDE; 70 virtual gfx::NativeView GetContentNativeView() const OVERRIDE; 71 virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE; 72 virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE; 73 virtual void SizeContents(const gfx::Size& size) OVERRIDE; 74 virtual void Focus() OVERRIDE; 75 virtual void SetInitialFocus() OVERRIDE; 76 virtual void StoreFocus() OVERRIDE; 77 virtual void RestoreFocus() OVERRIDE; 78 virtual DropData* GetDropData() const OVERRIDE; 79 virtual gfx::Rect GetViewBounds() const OVERRIDE; 80 virtual void SetAllowOverlappingViews(bool overlapping) OVERRIDE; 81 virtual bool GetAllowOverlappingViews() const OVERRIDE; 82 virtual void SetOverlayView(WebContentsView* overlay, 83 const gfx::Point& offset) OVERRIDE; 84 virtual void RemoveOverlayView() OVERRIDE; 85 virtual void CreateView( 86 const gfx::Size& initial_size, gfx::NativeView context) OVERRIDE; 87 virtual RenderWidgetHostViewBase* CreateViewForWidget( 88 RenderWidgetHost* render_widget_host) OVERRIDE; 89 virtual RenderWidgetHostViewBase* CreateViewForPopupWidget( 90 RenderWidgetHost* render_widget_host) OVERRIDE; 91 virtual void SetPageTitle(const base::string16& title) OVERRIDE; 92 virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE; 93 virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE; 94 virtual void SetOverscrollControllerEnabled(bool enabled) OVERRIDE; 95 virtual bool IsEventTracking() const OVERRIDE; 96 virtual void CloseTabAfterEventTracking() OVERRIDE; 97 98 // Backend implementation of RenderViewHostDelegateView. 99 virtual void ShowContextMenu(content::RenderFrameHost* render_frame_host, 100 const ContextMenuParams& params) OVERRIDE; 101 virtual void ShowPopupMenu(const gfx::Rect& bounds, 102 int item_height, 103 double item_font_size, 104 int selected_item, 105 const std::vector<MenuItem>& items, 106 bool right_aligned, 107 bool allow_multiple_selection) OVERRIDE; 108 virtual void HidePopupMenu() OVERRIDE; 109 virtual void StartDragging(const DropData& drop_data, 110 blink::WebDragOperationsMask allowed_operations, 111 const gfx::ImageSkia& image, 112 const gfx::Vector2d& image_offset, 113 const DragEventSourceInfo& event_info) OVERRIDE; 114 virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE; 115 virtual void GotFocus() OVERRIDE; 116 virtual void TakeFocus(bool reverse) OVERRIDE; 117 118 // A helper method for closing the tab in the 119 // CloseTabAfterEventTracking() implementation. 120 void CloseTab(); 121 web_contents()122 WebContentsImpl* web_contents() { return web_contents_; } delegate()123 WebContentsViewDelegate* delegate() { return delegate_.get(); } 124 125 private: 126 // Updates overlay view on current RenderWidgetHostView. 127 void UpdateRenderWidgetHostViewOverlay(); 128 129 // The WebContentsImpl whose contents we display. 130 WebContentsImpl* web_contents_; 131 132 // The Cocoa NSView that lives in the view hierarchy. 133 base::scoped_nsobject<WebContentsViewCocoa> cocoa_view_; 134 135 // Keeps track of which NSView has focus so we can restore the focus when 136 // focus returns. 137 base::scoped_nsobject<FocusTracker> focus_tracker_; 138 139 // Our optional delegate. 140 scoped_ptr<WebContentsViewDelegate> delegate_; 141 142 // Whether to allow overlapping views. 143 bool allow_overlapping_views_; 144 145 // The overlay view which is rendered above this one. 146 // Overlay view has |underlay_view_| set to this view. 147 WebContentsViewMac* overlay_view_; 148 149 // The offset of overlay view relative to this view. 150 gfx::Point overlay_view_offset_; 151 152 // The underlay view which this view is rendered above. 153 // Underlay view has |overlay_view_| set to this view. 154 WebContentsViewMac* underlay_view_; 155 156 scoped_ptr<PopupMenuHelper> popup_menu_helper_; 157 158 DISALLOW_COPY_AND_ASSIGN(WebContentsViewMac); 159 }; 160 161 } // namespace content 162 163 #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_ 164