зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
3.8 KiB
C++
112 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "InputData.h"
|
|
|
|
#include "mozilla/dom/Touch.h"
|
|
#include "nsDebug.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "mozilla/MouseEvents.h"
|
|
#include "mozilla/TouchEvents.h"
|
|
|
|
namespace mozilla {
|
|
|
|
using namespace dom;
|
|
|
|
MultiTouchInput::MultiTouchInput(const WidgetTouchEvent& aTouchEvent)
|
|
: InputData(MULTITOUCH_INPUT, aTouchEvent.time, aTouchEvent.modifiers)
|
|
{
|
|
NS_ABORT_IF_FALSE(NS_IsMainThread(),
|
|
"Can only copy from WidgetTouchEvent on main thread");
|
|
|
|
switch (aTouchEvent.message) {
|
|
case NS_TOUCH_START:
|
|
mType = MULTITOUCH_START;
|
|
break;
|
|
case NS_TOUCH_MOVE:
|
|
mType = MULTITOUCH_MOVE;
|
|
break;
|
|
case NS_TOUCH_END:
|
|
mType = MULTITOUCH_END;
|
|
break;
|
|
case NS_TOUCH_ENTER:
|
|
mType = MULTITOUCH_ENTER;
|
|
break;
|
|
case NS_TOUCH_LEAVE:
|
|
mType = MULTITOUCH_LEAVE;
|
|
break;
|
|
case NS_TOUCH_CANCEL:
|
|
mType = MULTITOUCH_CANCEL;
|
|
break;
|
|
default:
|
|
NS_WARNING("Did not assign a type to a MultiTouchInput");
|
|
break;
|
|
}
|
|
|
|
for (size_t i = 0; i < aTouchEvent.touches.Length(); i++) {
|
|
const Touch* domTouch = aTouchEvent.touches[i];
|
|
|
|
// Extract data from weird interfaces.
|
|
int32_t identifier = domTouch->Identifier();
|
|
int32_t radiusX = domTouch->RadiusX();
|
|
int32_t radiusY = domTouch->RadiusY();
|
|
float rotationAngle = domTouch->RotationAngle();
|
|
float force = domTouch->Force();
|
|
|
|
SingleTouchData data(identifier,
|
|
ScreenIntPoint::FromUnknownPoint(
|
|
gfx::IntPoint(domTouch->mRefPoint.x,
|
|
domTouch->mRefPoint.y)),
|
|
ScreenSize(radiusX, radiusY),
|
|
rotationAngle,
|
|
force);
|
|
|
|
mTouches.AppendElement(data);
|
|
}
|
|
}
|
|
|
|
// This conversion from WidgetMouseEvent to MultiTouchInput is needed because on
|
|
// the B2G emulator we can only receive mouse events, but we need to be able
|
|
// to pan correctly. To do this, we convert the events into a format that the
|
|
// panning code can handle. This code is very limited and only supports
|
|
// SingleTouchData. It also sends garbage for the identifier, radius, force
|
|
// and rotation angle.
|
|
MultiTouchInput::MultiTouchInput(const WidgetMouseEvent& aMouseEvent)
|
|
: InputData(MULTITOUCH_INPUT, aMouseEvent.time, aMouseEvent.modifiers)
|
|
{
|
|
NS_ABORT_IF_FALSE(NS_IsMainThread(),
|
|
"Can only copy from WidgetMouseEvent on main thread");
|
|
switch (aMouseEvent.message) {
|
|
case NS_MOUSE_BUTTON_DOWN:
|
|
mType = MULTITOUCH_START;
|
|
break;
|
|
case NS_MOUSE_MOVE:
|
|
mType = MULTITOUCH_MOVE;
|
|
break;
|
|
case NS_MOUSE_BUTTON_UP:
|
|
mType = MULTITOUCH_END;
|
|
break;
|
|
// The mouse pointer has been interrupted in an implementation-specific
|
|
// manner, such as a synchronous event or action cancelling the touch, or a
|
|
// touch point leaving the document window and going into a non-document
|
|
// area capable of handling user interactions.
|
|
case NS_MOUSE_EXIT:
|
|
mType = MULTITOUCH_CANCEL;
|
|
break;
|
|
default:
|
|
NS_WARNING("Did not assign a type to a MultiTouchInput");
|
|
break;
|
|
}
|
|
|
|
mTouches.AppendElement(SingleTouchData(0,
|
|
ScreenIntPoint::FromUnknownPoint(
|
|
gfx::IntPoint(aMouseEvent.refPoint.x,
|
|
aMouseEvent.refPoint.y)),
|
|
ScreenSize(1, 1),
|
|
180.0f,
|
|
1.0f));
|
|
}
|
|
}
|