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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/renderer/input/input_handler_proxy.h" | 5 #include "content/renderer/input/input_handler_proxy.h" |
| 6 | 6 |
| 7 #include "base/auto_reset.h" | 7 #include "base/auto_reset.h" |
| 8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
| 9 #include "base/debug/trace_event.h" | |
| 10 #include "base/logging.h" | 9 #include "base/logging.h" |
| 11 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
| 11 #include "base/trace_event/trace_event.h" |
| 12 #include "content/common/input/did_overscroll_params.h" | 12 #include "content/common/input/did_overscroll_params.h" |
| 13 #include "content/common/input/web_input_event_traits.h" | 13 #include "content/common/input/web_input_event_traits.h" |
| 14 #include "content/public/common/content_switches.h" | 14 #include "content/public/common/content_switches.h" |
| 15 #include "content/renderer/input/input_handler_proxy_client.h" | 15 #include "content/renderer/input/input_handler_proxy_client.h" |
| 16 #include "content/renderer/input/input_scroll_elasticity_controller.h" | 16 #include "content/renderer/input/input_scroll_elasticity_controller.h" |
| 17 #include "third_party/WebKit/public/platform/Platform.h" | 17 #include "third_party/WebKit/public/platform/Platform.h" |
| 18 #include "third_party/WebKit/public/web/WebInputEvent.h" | 18 #include "third_party/WebKit/public/web/WebInputEvent.h" |
| 19 #include "ui/events/latency_info.h" | 19 #include "ui/events/latency_info.h" |
| 20 #include "ui/gfx/frame_time.h" | 20 #include "ui/gfx/frame_time.h" |
| 21 #include "ui/gfx/geometry/point_conversions.h" | 21 #include "ui/gfx/geometry/point_conversions.h" |
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| 925 // trigger a scroll, e.g., with a trivial time delta between fling updates. | 925 // trigger a scroll, e.g., with a trivial time delta between fling updates. |
| 926 // Return true in this case to prevent early fling termination. | 926 // Return true in this case to prevent early fling termination. |
| 927 if (std::abs(clipped_increment.width) < kScrollEpsilon && | 927 if (std::abs(clipped_increment.width) < kScrollEpsilon && |
| 928 std::abs(clipped_increment.height) < kScrollEpsilon) | 928 std::abs(clipped_increment.height) < kScrollEpsilon) |
| 929 return true; | 929 return true; |
| 930 | 930 |
| 931 return did_scroll; | 931 return did_scroll; |
| 932 } | 932 } |
| 933 | 933 |
| 934 } // namespace content | 934 } // namespace content |
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