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Side by Side Diff: content/common/input/event_with_latency_info.cc

Issue 2173073003: Move WebInputEvent into public/platform from public/web (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix gn build failure with android Created 4 years, 5 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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/event_with_latency_info.h" 5 #include "content/common/input/event_with_latency_info.h"
6 6
7 #include <bitset> 7 #include <bitset>
8 #include <limits> 8 #include <limits>
9 9
10 using blink::WebGestureEvent; 10 using blink::WebGestureEvent;
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106 event->accelerationRatioY = 106 event->accelerationRatioY =
107 GetAccelerationRatio(event->deltaY, unaccelerated_y); 107 GetAccelerationRatio(event->deltaY, unaccelerated_y);
108 } 108 }
109 109
110 bool CanCoalesce(const WebTouchEvent& event_to_coalesce, 110 bool CanCoalesce(const WebTouchEvent& event_to_coalesce,
111 const WebTouchEvent& event) { 111 const WebTouchEvent& event) {
112 if (event.type != event_to_coalesce.type || 112 if (event.type != event_to_coalesce.type ||
113 event.type != WebInputEvent::TouchMove || 113 event.type != WebInputEvent::TouchMove ||
114 event.modifiers != event_to_coalesce.modifiers || 114 event.modifiers != event_to_coalesce.modifiers ||
115 event.touchesLength != event_to_coalesce.touchesLength || 115 event.touchesLength != event_to_coalesce.touchesLength ||
116 event.touchesLength > WebTouchEvent::touchesLengthCap) 116 event.touchesLength > WebTouchEvent::kTouchesLengthCap)
117 return false; 117 return false;
118 118
119 static_assert(WebTouchEvent::touchesLengthCap <= sizeof(int32_t) * 8U, 119 static_assert(WebTouchEvent::kTouchesLengthCap <= sizeof(int32_t) * 8U,
120 "suboptimal touchesLengthCap size"); 120 "suboptimal kTouchesLengthCap size");
121 // Ensure that we have a 1-to-1 mapping of pointer ids between touches. 121 // Ensure that we have a 1-to-1 mapping of pointer ids between touches.
122 std::bitset<WebTouchEvent::touchesLengthCap> unmatched_event_touches( 122 std::bitset<WebTouchEvent::kTouchesLengthCap> unmatched_event_touches(
123 (1 << event.touchesLength) - 1); 123 (1 << event.touchesLength) - 1);
124 for (unsigned i = 0; i < event_to_coalesce.touchesLength; ++i) { 124 for (unsigned i = 0; i < event_to_coalesce.touchesLength; ++i) {
125 int event_touch_index = 125 int event_touch_index =
126 GetIndexOfTouchID(event, event_to_coalesce.touches[i].id); 126 GetIndexOfTouchID(event, event_to_coalesce.touches[i].id);
127 if (event_touch_index == kInvalidTouchIndex) 127 if (event_touch_index == kInvalidTouchIndex)
128 return false; 128 return false;
129 if (!unmatched_event_touches[event_touch_index]) 129 if (!unmatched_event_touches[event_touch_index])
130 return false; 130 return false;
131 unmatched_event_touches[event_touch_index] = false; 131 unmatched_event_touches[event_touch_index] = false;
132 } 132 }
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189 // we can reliably perform operations like log on the values. 189 // we can reliably perform operations like log on the values.
190 if (event->data.pinchUpdate.scale < numeric_limits<float>::min()) 190 if (event->data.pinchUpdate.scale < numeric_limits<float>::min())
191 event->data.pinchUpdate.scale = numeric_limits<float>::min(); 191 event->data.pinchUpdate.scale = numeric_limits<float>::min();
192 else if (event->data.pinchUpdate.scale > numeric_limits<float>::max()) 192 else if (event->data.pinchUpdate.scale > numeric_limits<float>::max())
193 event->data.pinchUpdate.scale = numeric_limits<float>::max(); 193 event->data.pinchUpdate.scale = numeric_limits<float>::max();
194 } 194 }
195 } 195 }
196 196
197 } // namespace internal 197 } // namespace internal
198 } // namespace content 198 } // namespace content
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