src/content/browser/web_contents/web_contents_view_mac.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 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   ~WebContentsViewMac() override;
  67
  68   // WebContentsView implementation --------------------------------------------
  69   gfx::NativeView GetNativeView() const override;
  70   gfx::NativeView GetContentNativeView() const override;
  71   gfx::NativeWindow GetTopLevelNativeWindow() const override;
  72   void GetContainerBounds(gfx::Rect* out) const override;
  73   void SizeContents(const gfx::Size& size) override;
  74   void Focus() override;
  75   void SetInitialFocus() override;
  76   void StoreFocus() override;
  77   void RestoreFocus() override;
  78   DropData* GetDropData() const override;
  79   gfx::Rect GetViewBounds() const override;
  80   void SetAllowOtherViews(bool allow) override;
  81   bool GetAllowOtherViews() const override;
  82   void CreateView(const gfx::Size& initial_size,
  83                   gfx::NativeView context) override;
  84   RenderWidgetHostViewBase* CreateViewForWidget(
  85       RenderWidgetHost* render_widget_host,
  86       bool is_guest_view_hack) override;
  87   RenderWidgetHostViewBase* CreateViewForPopupWidget(
  88       RenderWidgetHost* render_widget_host) override;
  89   void SetPageTitle(const base::string16& title) override;
  90   void RenderViewCreated(RenderViewHost* host) override;
  91   void RenderViewSwappedIn(RenderViewHost* host) override;
  92   void SetOverscrollControllerEnabled(bool enabled) override;
  93   bool IsEventTracking() const override;
  94   void CloseTabAfterEventTracking() override;
  95
  96   // Backend implementation of RenderViewHostDelegateView.
  97   void ShowContextMenu(RenderFrameHost* render_frame_host,
  98                        const ContextMenuParams& params) override;
  99   void ShowPopupMenu(RenderFrameHost* render_frame_host,
 100                      const gfx::Rect& bounds,
 101                      int item_height,
 102                      double item_font_size,
 103                      int selected_item,
 104                      const std::vector<MenuItem>& items,
 105                      bool right_aligned,
 106                      bool allow_multiple_selection) override;
 107   void HidePopupMenu() override;
 108   void StartDragging(const DropData& drop_data,
 109                      blink::WebDragOperationsMask allowed_operations,
 110                      const gfx::ImageSkia& image,
 111                      const gfx::Vector2d& image_offset,
 112                      const DragEventSourceInfo& event_info) override;
 113   void UpdateDragCursor(blink::WebDragOperation operation) override;
 114   void GotFocus() override;
 115   void TakeFocus(bool reverse) override;
 116
 117   // A helper method for closing the tab in the
 118   // CloseTabAfterEventTracking() implementation.
 119   void CloseTab();
 120
 121   WebContentsImpl* web_contents() { return web_contents_; }
 122   WebContentsViewDelegate* delegate() { return delegate_.get(); }
 123
 124  private:
 125   // Returns the fullscreen view, if one exists; otherwise, returns the content
 126   // native view. This ensures that the view currently attached to a NSWindow is
 127   // being used to query or set first responder state.
 128   gfx::NativeView GetNativeViewForFocus() const;
 129
 130   // The WebContentsImpl whose contents we display.
 131   WebContentsImpl* web_contents_;
 132
 133   // The Cocoa NSView that lives in the view hierarchy.
 134   base::scoped_nsobject<WebContentsViewCocoa> cocoa_view_;
 135
 136   // Keeps track of which NSView has focus so we can restore the focus when
 137   // focus returns.
 138   base::scoped_nsobject<FocusTracker> focus_tracker_;
 139
 140   // Our optional delegate.
 141   scoped_ptr<WebContentsViewDelegate> delegate_;
 142
 143   // Whether to allow other views.
 144   bool allow_other_views_;
 145
 146   scoped_ptr<PopupMenuHelper> popup_menu_helper_;
 147
 148   DISALLOW_COPY_AND_ASSIGN(WebContentsViewMac);
 149 };
 150
 151 }  // namespace content
 152
 153 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_