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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef WebWidgetClient_h | |
32 #define WebWidgetClient_h | |
33 | |
34 #include "WebCommon.h" | |
35 #include "WebNavigationPolicy.h" | |
36 #include "WebRect.h" | |
37 #include "WebScreenInfo.h" | |
38 | |
39 namespace WebKit { | |
40 | |
41 class WebWidget; | |
42 struct WebCursorInfo; | |
43 | |
44 class WebWidgetClient { | |
45 public: | |
46 // Called when a region of the WebWidget needs to be re-painted. | |
47 virtual void didInvalidateRect(const WebRect&) { } | |
48 | |
49 // Called when a region of the WebWidget, given by clipRect, should be | |
50 // scrolled by the specified dx and dy amounts. | |
51 virtual void didScrollRect(int dx, int dy, const WebRect& clipRect) { } | |
52 | |
53 // Called when the widget acquires or loses focus, respectively. | |
54 virtual void didFocus() { } | |
55 virtual void didBlur() { } | |
56 | |
57 // Called when the cursor for the widget changes. | |
58 virtual void didChangeCursor(const WebCursorInfo&) { } | |
59 | |
60 // Called when the widget should be closed. WebWidget::close() should | |
61 // be called asynchronously as a result of this notification. | |
62 virtual void closeWidgetSoon() { } | |
63 | |
64 // Called to show the widget according to the given policy. | |
65 virtual void show(WebNavigationPolicy) { } | |
66 | |
67 // Called to block execution of the current thread until the widget is | |
68 // closed. | |
69 virtual void runModal() { } | |
70 | |
71 // Called to get/set the position of the widget in screen coordinates. | |
72 virtual WebRect windowRect() { return WebRect(); } | |
73 virtual void setWindowRect(const WebRect&) { } | |
74 | |
75 // Called to get the position of the resizer rect in window coordinates. | |
76 virtual WebRect windowResizerRect() { return WebRect(); } | |
77 | |
78 // Called to get the position of the root window containing the widget | |
79 // in screen coordinates. | |
80 virtual WebRect rootWindowRect() { return WebRect(); } | |
81 | |
82 // Called to query information about the screen where this widget is | |
83 // displayed. | |
84 virtual WebScreenInfo screenInfo() { return WebScreenInfo(); } | |
85 | |
86 protected: | |
87 ~WebWidgetClient() { } | |
88 }; | |
89 | |
90 } // namespace WebKit | |
91 | |
92 #endif | |
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