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1 /* | 1 /* |
2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 * THE POSSIBILITY OF SUCH DAMAGE. | 23 * THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef UserGestureIndicator_h | 26 #ifndef UserGestureIndicator_h |
27 #define UserGestureIndicator_h | 27 #define UserGestureIndicator_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "wtf/Noncopyable.h" | 30 #include "platform/wtf/Noncopyable.h" |
31 #include "wtf/RefCounted.h" | 31 #include "platform/wtf/RefCounted.h" |
32 #include "wtf/RefPtr.h" | 32 #include "platform/wtf/RefPtr.h" |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 // Callback to be invoked when the state of a UserGestureIndicator is | 36 // Callback to be invoked when the state of a UserGestureIndicator is |
37 // used (only during the scope of a UserGestureIndicator, does | 37 // used (only during the scope of a UserGestureIndicator, does |
38 // not flow with the UserGestureToken). It's the responsibility of the | 38 // not flow with the UserGestureToken). It's the responsibility of the |
39 // caller to ensure the UserGestureUtilizedCallback is kept alive as long | 39 // caller to ensure the UserGestureUtilizedCallback is kept alive as long |
40 // as the UserGestureIndicator it's used in. | 40 // as the UserGestureIndicator it's used in. |
41 // Note that this doesn't currently track EVERY way in which the | 41 // Note that this doesn't currently track EVERY way in which the |
42 // state of a UserGesture can be read (sometimes it's just propagated | 42 // state of a UserGesture can be read (sometimes it's just propagated |
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127 | 127 |
128 private: | 128 private: |
129 static UserGestureToken* root_token_; | 129 static UserGestureToken* root_token_; |
130 | 130 |
131 RefPtr<UserGestureToken> token_; | 131 RefPtr<UserGestureToken> token_; |
132 }; | 132 }; |
133 | 133 |
134 } // namespace blink | 134 } // namespace blink |
135 | 135 |
136 #endif | 136 #endif |
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