web_contents_view_mac.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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;
23class SkBitmap;
24@class WebDragDest;
25@class WebDragSource;
26
27namespace content {
28class PopupMenuHelper;
29class WebContentsImpl;
30class WebContentsViewDelegate;
31class WebContentsViewMac;
32}
33
34namespace gfx {
35class Vector2d;
36}
37
38CONTENT_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
54namespace 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.
58class 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 SetAllowOtherViews(bool allow) OVERRIDE;
81  virtual bool GetAllowOtherViews() const OVERRIDE;
82  virtual void CreateView(
83      const gfx::Size& initial_size, gfx::NativeView context) OVERRIDE;
84  virtual RenderWidgetHostViewBase* CreateViewForWidget(
85      RenderWidgetHost* render_widget_host) OVERRIDE;
86  virtual RenderWidgetHostViewBase* CreateViewForPopupWidget(
87      RenderWidgetHost* render_widget_host) OVERRIDE;
88  virtual void SetPageTitle(const base::string16& title) OVERRIDE;
89  virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
90  virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE;
91  virtual void SetOverscrollControllerEnabled(bool enabled) OVERRIDE;
92  virtual bool IsEventTracking() const OVERRIDE;
93  virtual void CloseTabAfterEventTracking() OVERRIDE;
94
95  // Backend implementation of RenderViewHostDelegateView.
96  virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
97                               const ContextMenuParams& params) OVERRIDE;
98  virtual void ShowPopupMenu(RenderFrameHost* render_frame_host,
99                             const gfx::Rect& bounds,
100                             int item_height,
101                             double item_font_size,
102                             int selected_item,
103                             const std::vector<MenuItem>& items,
104                             bool right_aligned,
105                             bool allow_multiple_selection) OVERRIDE;
106  virtual void HidePopupMenu() OVERRIDE;
107  virtual void StartDragging(const DropData& drop_data,
108                             blink::WebDragOperationsMask allowed_operations,
109                             const gfx::ImageSkia& image,
110                             const gfx::Vector2d& image_offset,
111                             const DragEventSourceInfo& event_info) OVERRIDE;
112  virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE;
113  virtual void GotFocus() OVERRIDE;
114  virtual void TakeFocus(bool reverse) OVERRIDE;
115
116  // A helper method for closing the tab in the
117  // CloseTabAfterEventTracking() implementation.
118  void CloseTab();
119
120  WebContentsImpl* web_contents() { return web_contents_; }
121  WebContentsViewDelegate* delegate() { return delegate_.get(); }
122
123 private:
124  // The WebContentsImpl whose contents we display.
125  WebContentsImpl* web_contents_;
126
127  // The Cocoa NSView that lives in the view hierarchy.
128  base::scoped_nsobject<WebContentsViewCocoa> cocoa_view_;
129
130  // Keeps track of which NSView has focus so we can restore the focus when
131  // focus returns.
132  base::scoped_nsobject<FocusTracker> focus_tracker_;
133
134  // Our optional delegate.
135  scoped_ptr<WebContentsViewDelegate> delegate_;
136
137  // Whether to allow other views.
138  bool allow_other_views_;
139
140  scoped_ptr<PopupMenuHelper> popup_menu_helper_;
141
142  DISALLOW_COPY_AND_ASSIGN(WebContentsViewMac);
143};
144
145}  // namespace content
146
147#endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_
148