| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/events/gesture_detection/gesture_configuration.h" |
| |
| #include "base/command_line.h" |
| #include "base/memory/singleton.h" |
| #include "ui/events/event_switches.h" |
| |
| namespace ui { |
| namespace { |
| |
| class GestureConfigurationCast : public GestureConfiguration { |
| public: |
| GestureConfigurationCast(const GestureConfigurationCast&) = delete; |
| GestureConfigurationCast& operator=(const GestureConfigurationCast&) = delete; |
| |
| ~GestureConfigurationCast() override { |
| } |
| |
| static GestureConfigurationCast* GetInstance() { |
| return base::Singleton<GestureConfigurationCast>::get(); |
| } |
| |
| private: |
| GestureConfigurationCast() : GestureConfiguration() { |
| set_double_tap_enabled(false); |
| set_double_tap_timeout_in_ms(double_tap_timeout_in_ms()); |
| set_gesture_begin_end_types_enabled(true); |
| set_min_gesture_bounds_length(default_radius()); |
| set_min_pinch_update_span_delta( |
| base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kCompensateForUnstablePinchZoom) |
| ? 5 |
| : 0); |
| set_velocity_tracker_strategy(VelocityTracker::Strategy::LSQ2_RESTRICTED); |
| set_span_slop(max_touch_move_in_pixels_for_click() * 2); |
| set_swipe_enabled(true); |
| set_two_finger_tap_enabled(true); |
| set_fling_touchpad_tap_suppression_enabled(true); |
| set_fling_touchscreen_tap_suppression_enabled(true); |
| set_max_fling_velocity(5000.0f); |
| } |
| |
| friend struct base::DefaultSingletonTraits<GestureConfigurationCast>; |
| }; |
| |
| } // namespace |
| |
| // Create a GestureConfigurationCast singleton instance when using Chromecast. |
| GestureConfiguration* GestureConfiguration::GetPlatformSpecificInstance() { |
| return GestureConfigurationCast::GetInstance(); |
| } |
| |
| } // namespace ui |