1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/xpwidgets/InputData.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "InputData.h"
1.10 +
1.11 +#include "mozilla/dom/Touch.h"
1.12 +#include "nsDebug.h"
1.13 +#include "nsThreadUtils.h"
1.14 +#include "mozilla/MouseEvents.h"
1.15 +#include "mozilla/TouchEvents.h"
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +using namespace dom;
1.20 +
1.21 +MultiTouchInput::MultiTouchInput(const WidgetTouchEvent& aTouchEvent)
1.22 + : InputData(MULTITOUCH_INPUT, aTouchEvent.time, aTouchEvent.modifiers)
1.23 +{
1.24 + NS_ABORT_IF_FALSE(NS_IsMainThread(),
1.25 + "Can only copy from WidgetTouchEvent on main thread");
1.26 +
1.27 + switch (aTouchEvent.message) {
1.28 + case NS_TOUCH_START:
1.29 + mType = MULTITOUCH_START;
1.30 + break;
1.31 + case NS_TOUCH_MOVE:
1.32 + mType = MULTITOUCH_MOVE;
1.33 + break;
1.34 + case NS_TOUCH_END:
1.35 + mType = MULTITOUCH_END;
1.36 + break;
1.37 + case NS_TOUCH_ENTER:
1.38 + mType = MULTITOUCH_ENTER;
1.39 + break;
1.40 + case NS_TOUCH_LEAVE:
1.41 + mType = MULTITOUCH_LEAVE;
1.42 + break;
1.43 + case NS_TOUCH_CANCEL:
1.44 + mType = MULTITOUCH_CANCEL;
1.45 + break;
1.46 + default:
1.47 + NS_WARNING("Did not assign a type to a MultiTouchInput");
1.48 + break;
1.49 + }
1.50 +
1.51 + for (size_t i = 0; i < aTouchEvent.touches.Length(); i++) {
1.52 + const Touch* domTouch = aTouchEvent.touches[i];
1.53 +
1.54 + // Extract data from weird interfaces.
1.55 + int32_t identifier = domTouch->Identifier();
1.56 + int32_t radiusX = domTouch->RadiusX();
1.57 + int32_t radiusY = domTouch->RadiusY();
1.58 + float rotationAngle = domTouch->RotationAngle();
1.59 + float force = domTouch->Force();
1.60 +
1.61 + SingleTouchData data(identifier,
1.62 + ScreenIntPoint::FromUnknownPoint(
1.63 + gfx::IntPoint(domTouch->mRefPoint.x,
1.64 + domTouch->mRefPoint.y)),
1.65 + ScreenSize(radiusX, radiusY),
1.66 + rotationAngle,
1.67 + force);
1.68 +
1.69 + mTouches.AppendElement(data);
1.70 + }
1.71 +}
1.72 +
1.73 +// This conversion from WidgetMouseEvent to MultiTouchInput is needed because on
1.74 +// the B2G emulator we can only receive mouse events, but we need to be able
1.75 +// to pan correctly. To do this, we convert the events into a format that the
1.76 +// panning code can handle. This code is very limited and only supports
1.77 +// SingleTouchData. It also sends garbage for the identifier, radius, force
1.78 +// and rotation angle.
1.79 +MultiTouchInput::MultiTouchInput(const WidgetMouseEvent& aMouseEvent)
1.80 + : InputData(MULTITOUCH_INPUT, aMouseEvent.time, aMouseEvent.modifiers)
1.81 +{
1.82 + NS_ABORT_IF_FALSE(NS_IsMainThread(),
1.83 + "Can only copy from WidgetMouseEvent on main thread");
1.84 + switch (aMouseEvent.message) {
1.85 + case NS_MOUSE_BUTTON_DOWN:
1.86 + mType = MULTITOUCH_START;
1.87 + break;
1.88 + case NS_MOUSE_MOVE:
1.89 + mType = MULTITOUCH_MOVE;
1.90 + break;
1.91 + case NS_MOUSE_BUTTON_UP:
1.92 + mType = MULTITOUCH_END;
1.93 + break;
1.94 + // The mouse pointer has been interrupted in an implementation-specific
1.95 + // manner, such as a synchronous event or action cancelling the touch, or a
1.96 + // touch point leaving the document window and going into a non-document
1.97 + // area capable of handling user interactions.
1.98 + case NS_MOUSE_EXIT:
1.99 + mType = MULTITOUCH_CANCEL;
1.100 + break;
1.101 + default:
1.102 + NS_WARNING("Did not assign a type to a MultiTouchInput");
1.103 + break;
1.104 + }
1.105 +
1.106 + mTouches.AppendElement(SingleTouchData(0,
1.107 + ScreenIntPoint::FromUnknownPoint(
1.108 + gfx::IntPoint(aMouseEvent.refPoint.x,
1.109 + aMouseEvent.refPoint.y)),
1.110 + ScreenSize(1, 1),
1.111 + 180.0f,
1.112 + 1.0f));
1.113 +}
1.114 +}
