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1 // Copyright (c) 2013 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_WEB_CONTENTS_MODAL_DIALOG_HOST_H_ | |
6 #define CHROME_BROWSER_UI_WEB_CONTENTS_MODAL_DIALOG_HOST_H_ | |
7 | |
8 #include "ui/gfx/native_widget_types.h" | |
9 #include "ui/gfx/point.h" | |
10 #include "ui/gfx/size.h" | |
11 | |
12 // Observer to be implemented to update web contents modal dialogs when the host | |
13 // indicates their position needs to be changed. | |
14 class WebContentsModalDialogHostObserver { | |
15 public: | |
16 virtual ~WebContentsModalDialogHostObserver(); | |
17 | |
18 virtual void OnPositionRequiresUpdate() = 0; | |
19 | |
20 protected: | |
21 WebContentsModalDialogHostObserver(); | |
22 | |
23 private: | |
24 DISALLOW_COPY_AND_ASSIGN(WebContentsModalDialogHostObserver); | |
25 }; | |
26 | |
27 // Interface for supporting positioning of web contents modal dialogs over a | |
28 // window/widget. | |
29 class WebContentsModalDialogHost { | |
30 public: | |
31 virtual ~WebContentsModalDialogHost(); | |
32 | |
33 // Returns the view against which the dialog is positioned and parented. | |
34 virtual gfx::NativeView GetHostView() const = 0; | |
35 // Gets the position for the dialog in coordinates relative to the host | |
36 // view. | |
37 virtual gfx::Point GetDialogPosition(const gfx::Size& size) = 0; | |
38 | |
39 // Add/remove observer. | |
40 virtual void AddObserver(WebContentsModalDialogHostObserver* observer) = 0; | |
41 virtual void RemoveObserver(WebContentsModalDialogHostObserver* observer) = 0; | |
42 | |
43 protected: | |
44 WebContentsModalDialogHost(); | |
45 | |
46 private: | |
47 DISALLOW_COPY_AND_ASSIGN(WebContentsModalDialogHost); | |
48 }; | |
49 | |
50 #endif // CHROME_BROWSER_UI_WEB_CONTENTS_MODAL_DIALOG_HOST_H_ | |
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