1 files changed, 73 insertions, 0 deletions
diff --git a/chromium/ui/events/gesture_detection/gesture_config_helper_aura.cc b/chromium/ui/events/gesture_detection/gesture_config_helper_aura.cc
new file mode 100644
index 00000000000..36be122b772
--- /dev/null
+++ b/chromium/ui/events/gesture_detection/gesture_config_helper_aura.cc
@@ -0,0 +1,73 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// MSVC++ requires this to be set before any other includes to get M_PI.
+#define _USE_MATH_DEFINES
+
+#include "ui/events/gesture_detection/gesture_config_helper.h"
+
+#include <cmath>
+
+#include "ui/events/gestures/gesture_configuration.h"
+#include "ui/gfx/screen.h"
+
+namespace ui {
+namespace {
+
+GestureDetector::Config DefaultGestureDetectorConfig() {
+  GestureDetector::Config config;
+
+  config.longpress_timeout = base::TimeDelta::FromMilliseconds(
+      GestureConfiguration::long_press_time_in_seconds() * 1000.);
+  config.showpress_timeout = base::TimeDelta::FromMilliseconds(
+      GestureConfiguration::show_press_delay_in_ms());
+  config.double_tap_timeout = base::TimeDelta::FromMilliseconds(
+      GestureConfiguration::semi_long_press_time_in_seconds() * 1000.);
+  config.touch_slop =
+      GestureConfiguration::max_touch_move_in_pixels_for_click();
+  config.double_tap_slop =
+      GestureConfiguration::max_distance_between_taps_for_double_tap();
+  config.minimum_fling_velocity =
+      GestureConfiguration::min_scroll_velocity();
+  config.maximum_fling_velocity = GestureConfiguration::fling_velocity_cap();
+  config.swipe_enabled = true;
+  config.minimum_swipe_velocity = GestureConfiguration::min_swipe_speed();
+  config.maximum_swipe_deviation_angle =
+      atan2(1.f, GestureConfiguration::max_swipe_deviation_ratio()) * 180.0f /
+      static_cast<float>(M_PI);
+  config.two_finger_tap_enabled = true;
+  config.two_finger_tap_max_separation =
+      GestureConfiguration::max_distance_for_two_finger_tap_in_pixels();
+  config.two_finger_tap_timeout = base::TimeDelta::FromMilliseconds(
+      GestureConfiguration::max_touch_down_duration_in_seconds_for_click() *
+      1000.);
+
+  return config;
+}
+
+ScaleGestureDetector::Config DefaultScaleGestureDetectorConfig() {
+  ScaleGestureDetector::Config config;
+
+  config.gesture_detector_config = DefaultGestureDetectorConfig();
+  config.min_scaling_touch_major = GestureConfiguration::default_radius() * 2;
+  config.min_scaling_span = GestureConfiguration::min_scaling_span_in_pixels();
+  config.min_pinch_update_span_delta =
+      GestureConfiguration::min_pinch_update_distance_in_pixels();
+  return config;
+}
+
+}  // namespace
+
+GestureProvider::Config DefaultGestureProviderConfig() {
+  GestureProvider::Config config;
+  config.display = gfx::Screen::GetNativeScreen()->GetPrimaryDisplay();
+  config.gesture_detector_config = DefaultGestureDetectorConfig();
+  config.scale_gesture_detector_config = DefaultScaleGestureDetectorConfig();
+  config.gesture_begin_end_types_enabled = true;
+  // Half the size of the default touch length is a reasonable minimum.
+  config.min_gesture_bounds_length = GestureConfiguration::default_radius();
+  return config;
+}
+
+}  // namespace ui