extension_dialog.h revision 868fa2fe829687343ffae624259930155e16dbd8 
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 CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
6#define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
7
8#include "base/logging.h"
9#include "base/memory/ref_counted.h"
10#include "content/public/browser/notification_observer.h"
11#include "content/public/browser/notification_registrar.h"
12#include "ui/views/window/dialog_delegate.h"
13
14class ExtensionDialogObserver;
15class GURL;
16class Profile;
17
18namespace content {
19class WebContents;
20}
21
22namespace extensions {
23class ExtensionHost;
24}
25
26namespace ui {
27class BaseWindow;
28}
29
30// Modal dialog containing contents provided by an extension.
31// Dialog is automatically centered in the owning window and has fixed size.
32// For example, used by the Chrome OS file browser.
33class ExtensionDialog : public views::DialogDelegate,
34                        public content::NotificationObserver,
35                        public base::RefCounted<ExtensionDialog> {
36 public:
37  // Create and show a dialog with |url| centered over the provided window.
38  // |base_window| is the window to which the pop-up will be attached.
39  // |profile| is the profile that the extension is registered with.
40  // |web_contents| is the tab that spawned the dialog.
41  // |width| and |height| are the size of the dialog in pixels.
42  static ExtensionDialog* Show(const GURL& url,
43                               ui::BaseWindow* base_window,
44                               Profile* profile,
45                               content::WebContents* web_contents,
46                               int width,
47                               int height,
48                               int min_width,
49                               int min_height,
50                               const string16& title,
51                               ExtensionDialogObserver* observer);
52
53  // Notifies the dialog that the observer has been destroyed and should not
54  // be sent notifications.
55  void ObserverDestroyed();
56
57  // Closes the ExtensionDialog.
58  void Close();
59
60  // Focus to the render view if possible.
61  void MaybeFocusRenderView();
62
63  // Sets the window title.
64  void set_title(const string16& title) { window_title_ = title; }
65
66  // Sets minimum contents size in pixels and makes the window resizable.
67  void SetMinimumContentsSize(int width, int height);
68
69  extensions::ExtensionHost* host() const { return extension_host_.get(); }
70
71  // views::DialogDelegate override.
72  virtual int GetDialogButtons() const OVERRIDE;
73  virtual bool CanResize() const OVERRIDE;
74  virtual ui::ModalType GetModalType() const OVERRIDE;
75  virtual bool ShouldShowWindowTitle() const OVERRIDE;
76  virtual string16 GetWindowTitle() const OVERRIDE;
77  virtual void WindowClosing() OVERRIDE;
78  virtual void DeleteDelegate() OVERRIDE;
79  virtual views::Widget* GetWidget() OVERRIDE;
80  virtual const views::Widget* GetWidget() const OVERRIDE;
81  virtual views::View* GetContentsView() OVERRIDE;
82  virtual bool UseNewStyleForThisDialog() const OVERRIDE;
83
84  // content::NotificationObserver overrides.
85  virtual void Observe(int type,
86                       const content::NotificationSource& source,
87                       const content::NotificationDetails& details) OVERRIDE;
88
89 protected:
90  virtual ~ExtensionDialog();
91
92 private:
93  friend class base::RefCounted<ExtensionDialog>;
94
95  // Use Show() to create instances.
96  ExtensionDialog(extensions::ExtensionHost* host,
97                  ExtensionDialogObserver* observer);
98
99  static ExtensionDialog* ShowInternal(const GURL& url,
100                                       ui::BaseWindow* base_window,
101                                       extensions::ExtensionHost* host,
102                                       int width,
103                                       int height,
104                                       const string16& title,
105                                       ExtensionDialogObserver* observer);
106
107  static extensions::ExtensionHost* CreateExtensionHost(const GURL& url,
108                                                        Profile* profile);
109
110  void InitWindow(ui::BaseWindow* base_window, int width, int height);
111
112  // Window that holds the extension host view.
113  views::Widget* window_;
114
115  // Window Title
116  string16 window_title_;
117
118  // The contained host for the view.
119  scoped_ptr<extensions::ExtensionHost> extension_host_;
120
121  content::NotificationRegistrar registrar_;
122
123  // The observer of this popup.
124  ExtensionDialogObserver* observer_;
125
126  DISALLOW_COPY_AND_ASSIGN(ExtensionDialog);
127};
128
129#endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_DIALOG_H_
130