content/browser/renderer_host/input/web_input_event_util.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 // MSVC++ requires this to be set before any other includes to get M_PI.
   6 #define _USE_MATH_DEFINES
   7
   8 #include "content/browser/renderer_host/input/web_input_event_util.h"
   9
  10 #include <cmath>
  11
  12 #include "base/strings/string_util.h"
  13 #include "content/common/input/web_touch_event_traits.h"
  14 #include "ui/events/blink/blink_event_util.h"
  15 #include "ui/events/event_constants.h"
  16 #include "ui/events/gesture_detection/gesture_event_data.h"
  17 #include "ui/events/gesture_detection/motion_event.h"
  18 #include "ui/events/keycodes/dom/keycode_converter.h"
  19 #include "ui/gfx/geometry/safe_integer_conversions.h"
  20
  21 using blink::WebGestureEvent;
  22 using blink::WebInputEvent;
  23 using blink::WebTouchEvent;
  24 using blink::WebTouchPoint;
  25 using ui::MotionEvent;
  26
  27 namespace content {
  28
  29 int WebEventModifiersToEventFlags(int modifiers) {
  30   int flags = 0;
  31
  32   if (modifiers & blink::WebInputEvent::ShiftKey)
  33     flags |= ui::EF_SHIFT_DOWN;
  34   if (modifiers & blink::WebInputEvent::ControlKey)
  35     flags |= ui::EF_CONTROL_DOWN;
  36   if (modifiers & blink::WebInputEvent::AltKey)
  37     flags |= ui::EF_ALT_DOWN;
  38   if (modifiers & blink::WebInputEvent::MetaKey)
  39     flags |= ui::EF_COMMAND_DOWN;
  40
  41   if (modifiers & blink::WebInputEvent::LeftButtonDown)
  42     flags |= ui::EF_LEFT_MOUSE_BUTTON;
  43   if (modifiers & blink::WebInputEvent::MiddleButtonDown)
  44     flags |= ui::EF_MIDDLE_MOUSE_BUTTON;
  45   if (modifiers & blink::WebInputEvent::RightButtonDown)
  46     flags |= ui::EF_RIGHT_MOUSE_BUTTON;
  47   if (modifiers & blink::WebInputEvent::CapsLockOn)
  48     flags |= ui::EF_CAPS_LOCK_DOWN;
  49   if (modifiers & blink::WebInputEvent::IsAutoRepeat)
  50     flags |= ui::EF_IS_REPEAT;
  51
  52   return flags;
  53 }
  54
  55 blink::WebInputEvent::Modifiers DomCodeToWebInputEventModifiers(
  56     ui::DomCode code) {
  57   switch (ui::KeycodeConverter::DomCodeToLocation(code)) {
  58     case ui::DomKeyLocation::LEFT:
  59       return blink::WebInputEvent::IsLeft;
  60     case ui::DomKeyLocation::RIGHT:
  61       return blink::WebInputEvent::IsRight;
  62     case ui::DomKeyLocation::NUMPAD:
  63       return blink::WebInputEvent::IsKeyPad;
  64     case ui::DomKeyLocation::STANDARD:
  65       break;
  66   }
  67   return static_cast<blink::WebInputEvent::Modifiers>(0);
  68 }
  69
  70 }  // namespace content