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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/common/input/gesture_event_stream_validator.h" | 5 #include "content/common/input/gesture_event_stream_validator.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/strings/stringprintf.h" | 8 #include "base/strings/stringprintf.h" |
9 #include "content/common/input/web_input_event_traits.h" | 9 #include "content/public/common/input/web_input_event_traits.h" |
10 #include "third_party/WebKit/public/web/WebInputEvent.h" | 10 #include "third_party/WebKit/public/web/WebInputEvent.h" |
11 | 11 |
12 using blink::WebInputEvent; | 12 using blink::WebInputEvent; |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 | 15 |
16 GestureEventStreamValidator::GestureEventStreamValidator() | 16 GestureEventStreamValidator::GestureEventStreamValidator() |
17 : scrolling_(false), pinching_(false), waiting_for_tap_end_(false) { | 17 : scrolling_(false), pinching_(false), waiting_for_tap_end_(false) { |
18 } | 18 } |
19 | 19 |
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104 // 'continuity check', requiring that all events between an initial tap-down | 104 // 'continuity check', requiring that all events between an initial tap-down |
105 // and whatever terminates the sequence to have the same source device type, | 105 // and whatever terminates the sequence to have the same source device type, |
106 // and that touchpad gestures are only found on ScrollEvents. | 106 // and that touchpad gestures are only found on ScrollEvents. |
107 if (event.sourceDevice == blink::WebGestureDeviceUninitialized) | 107 if (event.sourceDevice == blink::WebGestureDeviceUninitialized) |
108 error_msg->append("Gesture event source is uninitialized.\n"); | 108 error_msg->append("Gesture event source is uninitialized.\n"); |
109 | 109 |
110 return error_msg->empty(); | 110 return error_msg->empty(); |
111 } | 111 } |
112 | 112 |
113 } // namespace content | 113 } // namespace content |
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