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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" | |
10 #include "third_party/WebKit/public/web/WebInputEvent.h" | 9 #include "third_party/WebKit/public/web/WebInputEvent.h" |
| 10 #include "ui/events/blink/web_input_event_traits.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 |
20 GestureEventStreamValidator::~GestureEventStreamValidator() { | 20 GestureEventStreamValidator::~GestureEventStreamValidator() { |
21 } | 21 } |
22 | 22 |
23 bool GestureEventStreamValidator::Validate(const blink::WebGestureEvent& event, | 23 bool GestureEventStreamValidator::Validate(const blink::WebGestureEvent& event, |
24 std::string* error_msg) { | 24 std::string* error_msg) { |
25 DCHECK(error_msg); | 25 DCHECK(error_msg); |
26 error_msg->clear(); | 26 error_msg->clear(); |
27 if (!WebInputEvent::isGestureEventType(event.type)) { | 27 if (!WebInputEvent::isGestureEventType(event.type)) { |
28 error_msg->append(base::StringPrintf( | 28 error_msg->append( |
29 "Invalid gesture type: %s", WebInputEventTraits::GetName(event.type))); | 29 base::StringPrintf("Invalid gesture type: %s", |
| 30 ui::WebInputEventTraits::GetName(event.type))); |
30 } | 31 } |
31 switch (event.type) { | 32 switch (event.type) { |
32 case WebInputEvent::GestureScrollBegin: | 33 case WebInputEvent::GestureScrollBegin: |
33 if (scrolling_) | 34 if (scrolling_) |
34 error_msg->append("Scroll begin during scroll\n"); | 35 error_msg->append("Scroll begin during scroll\n"); |
35 if (pinching_) | 36 if (pinching_) |
36 error_msg->append("Scroll begin during pinch\n"); | 37 error_msg->append("Scroll begin during pinch\n"); |
37 scrolling_ = true; | 38 scrolling_ = true; |
38 break; | 39 break; |
39 case WebInputEvent::GestureScrollUpdate: | 40 case WebInputEvent::GestureScrollUpdate: |
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104 // 'continuity check', requiring that all events between an initial tap-down | 105 // 'continuity check', requiring that all events between an initial tap-down |
105 // and whatever terminates the sequence to have the same source device type, | 106 // and whatever terminates the sequence to have the same source device type, |
106 // and that touchpad gestures are only found on ScrollEvents. | 107 // and that touchpad gestures are only found on ScrollEvents. |
107 if (event.sourceDevice == blink::WebGestureDeviceUninitialized) | 108 if (event.sourceDevice == blink::WebGestureDeviceUninitialized) |
108 error_msg->append("Gesture event source is uninitialized.\n"); | 109 error_msg->append("Gesture event source is uninitialized.\n"); |
109 | 110 |
110 return error_msg->empty(); | 111 return error_msg->empty(); |
111 } | 112 } |
112 | 113 |
113 } // namespace content | 114 } // namespace content |
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