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1 /* | |
2 * Copyright (C) 2012 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 WebTextFieldDecoratorClient_h | |
32 #define WebTextFieldDecoratorClient_h | |
33 | |
34 #include "../platform/WebCString.h" | |
35 | |
36 #if WEBKIT_IMPLEMENTATION | |
37 namespace WebCore { class TextFieldDecorator; } | |
38 #endif | |
39 | |
40 namespace WebKit { | |
41 | |
42 class WebInputElement; | |
43 | |
44 class WebTextFieldDecoratorClient { | |
45 public: | |
46 // The function should return true if the specified input element should | |
47 // have a decoration icon. This function is called whenever a text field is | |
48 // created, and should not take much time. | |
49 virtual bool shouldAddDecorationTo(const WebInputElement&) = 0; | |
50 // Returns true if the decoration should be visible when it's created. | |
51 virtual bool visibleByDefault() = 0; | |
52 | |
53 // Image resource name for the normal state. The image is stretched to | |
54 // font-size x font-size square. The function must return an existing | |
55 // resource name. | |
56 virtual WebCString imageNameForNormalState() = 0; | |
57 // Image resource name for the disabled state. If this function returns an | |
58 // empty string, imageNameForNormalState() is used even for the disabled | |
59 // state. | |
60 virtual WebCString imageNameForDisabledState() = 0; | |
61 // Image resource name for the read only state. If this function returns an | |
62 // empty string, the image same as imageNameForDisabledState() is used. | |
63 virtual WebCString imageNameForReadOnlyState() = 0; | |
64 // Image resource name for when the imaged is being hovered over. If this | |
65 // function returns an empty string, imageNameForNormalState() is used | |
66 // instead. | |
67 virtual WebCString imageNameForHoverState() {return WebCString();} | |
68 | |
69 // This is called when the decoration icon is clicked. | |
70 virtual void handleClick(WebInputElement&) = 0; | |
71 // This is called when the input element loses its renderer. An | |
72 // implementation of this function should not do something which updates | |
73 // state of WebKit objects. | |
74 virtual void willDetach(const WebInputElement&) = 0; | |
75 | |
76 #if WEBKIT_IMPLEMENTATION | |
77 bool isClientFor(WebCore::TextFieldDecorator*); | |
78 #endif | |
79 | |
80 virtual ~WebTextFieldDecoratorClient() { } | |
81 }; | |
82 | |
83 } | |
84 | |
85 #endif // WebTextFieldDecoratorClient_h | |
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