1// Copyright (c) 2011 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// DOMView is a ChromeView that displays the content of a web DOM.
6// It should be used with data: URLs.
7
8#ifndef CHROME_BROWSER_UI_VIEWS_DOM_VIEW_H_
9#define CHROME_BROWSER_UI_VIEWS_DOM_VIEW_H_
10#pragma once
11
12#include "base/memory/scoped_ptr.h"
13#include "googleurl/src/gurl.h"
14#include "views/controls/native/native_view_host.h"
15#include "views/events/event.h"
16
17class Profile;
18class SiteInstance;
19class TabContents;
20
21class DOMView : public views::NativeViewHost {
22 public:
23  DOMView();
24  virtual ~DOMView();
25
26  // Initialize the view, creating the contents. This should be
27  // called once the view has been added to a container.
28  //
29  // If |instance| is not null, then the view will be loaded in the same
30  // process as the given instance.
31  bool Init(Profile* profile, SiteInstance* instance);
32
33  // Loads the given URL into the page. You must have previously called Init().
34  void LoadURL(const GURL& url);
35
36  // The tab contents displaying the actual contents.
37  TabContents* tab_contents() const { return tab_contents_.get(); }
38
39 protected:
40  // Overridden from View.
41  virtual bool SkipDefaultKeyEventProcessing(const views::KeyEvent& e) OVERRIDE;
42  virtual void OnFocus() OVERRIDE;
43  virtual void ViewHierarchyChanged(bool is_add, views::View* parent,
44                                    views::View* child) OVERRIDE;
45
46  // AttachTabContents calls Attach to hook up the NativeViewHost. This is
47  // here because depending on whether this is a touch build or not the
48  // implementation varies slightly, while Detach is the same in both cases.
49  void AttachTabContents();
50
51  // Returns new allocated TabContents instance, caller is responsible deleting.
52  // Override in derived classes to replace TabContents with derivative.
53  virtual TabContents* CreateTabContents(Profile* profile,
54                                         SiteInstance* instance);
55
56  scoped_ptr<TabContents> tab_contents_;
57
58 private:
59  bool initialized_;
60
61  DISALLOW_COPY_AND_ASSIGN(DOMView);
62};
63
64#endif  // CHROME_BROWSER_UI_VIEWS_DOM_VIEW_H_
65