content/common/input/synthetic_gesture_params.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "content/common/input/synthetic_gesture_params.h"
   6
   7 namespace content {
   8
   9 SyntheticGestureParams::SyntheticGestureParams()
  10     : gesture_source_type(DEFAULT_INPUT) {}
  11
  12 SyntheticGestureParams::SyntheticGestureParams(
  13     const SyntheticGestureParams& other)
  14     : gesture_source_type(other.gesture_source_type) {}
  15
  16 SyntheticGestureParams::~SyntheticGestureParams() {}
  17
  18 bool SyntheticGestureParams::IsGestureSourceTypeSupported(
  19     GestureSourceType gesture_source_type) {
  20   if (gesture_source_type == DEFAULT_INPUT)
  21     return true;
  22
  23   // These values should change very rarely. We thus hard-code them here rather
  24   // than having to query the brower's SyntheticGestureTarget.
  25 #if defined(USE_AURA)
  26   return gesture_source_type == TOUCH_INPUT ||
  27          gesture_source_type == MOUSE_INPUT;
  28 #elif defined(OS_ANDROID)
  29   // Android supports mouse wheel events, but mouse drag is not yet
  30   // supported. See crbug.com/468806.
  31   return gesture_source_type == TOUCH_INPUT ||
  32          gesture_source_type == MOUSE_INPUT;
  33 #else
  34   return gesture_source_type == MOUSE_INPUT;
  35 #endif
  36 }
  37
  38 }  // namespace content