mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "InputData.h"
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#include "nsGUIEvent.h"
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#include "mozilla/dom/Touch.h"
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#include "nsDebug.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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using namespace dom;
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MultiTouchInput::MultiTouchInput(const nsTouchEvent& aTouchEvent)
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: InputData(MULTITOUCH_INPUT, aTouchEvent.time)
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{
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NS_ABORT_IF_FALSE(NS_IsMainThread(),
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"Can only copy from nsTouchEvent on main thread");
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switch (aTouchEvent.message) {
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case NS_TOUCH_START:
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mType = MULTITOUCH_START;
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break;
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case NS_TOUCH_MOVE:
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mType = MULTITOUCH_MOVE;
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break;
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case NS_TOUCH_END:
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mType = MULTITOUCH_END;
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break;
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case NS_TOUCH_ENTER:
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mType = MULTITOUCH_ENTER;
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break;
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case NS_TOUCH_LEAVE:
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mType = MULTITOUCH_LEAVE;
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break;
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case NS_TOUCH_CANCEL:
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mType = MULTITOUCH_CANCEL;
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break;
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default:
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NS_WARNING("Did not assign a type to a MultiTouchInput");
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break;
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}
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for (size_t i = 0; i < aTouchEvent.touches.Length(); i++) {
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Touch* domTouch = static_cast<Touch*>(aTouchEvent.touches[i].get());
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// Extract data from weird interfaces.
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int32_t identifier, radiusX, radiusY;
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float rotationAngle, force;
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domTouch->GetIdentifier(&identifier);
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domTouch->GetRadiusX(&radiusX);
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domTouch->GetRadiusY(&radiusY);
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domTouch->GetRotationAngle(&rotationAngle);
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domTouch->GetForce(&force);
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SingleTouchData data(identifier,
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ScreenIntPoint::FromUnknownPoint(
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gfx::IntPoint(domTouch->mRefPoint.x,
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domTouch->mRefPoint.y)),
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ScreenSize(radiusX, radiusY),
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rotationAngle,
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force);
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mTouches.AppendElement(data);
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}
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}
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// This conversion from nsMouseEvent to MultiTouchInput is needed because on
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// the B2G emulator we can only receive mouse events, but we need to be able
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// to pan correctly. To do this, we convert the events into a format that the
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// panning code can handle. This code is very limited and only supports
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// SingleTouchData. It also sends garbage for the identifier, radius, force
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// and rotation angle.
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MultiTouchInput::MultiTouchInput(const nsMouseEvent& aMouseEvent)
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: InputData(MULTITOUCH_INPUT, aMouseEvent.time)
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{
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NS_ABORT_IF_FALSE(NS_IsMainThread(),
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"Can only copy from nsMouseEvent on main thread");
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switch (aMouseEvent.message) {
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case NS_MOUSE_BUTTON_DOWN:
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mType = MULTITOUCH_START;
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break;
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case NS_MOUSE_MOVE:
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mType = MULTITOUCH_MOVE;
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break;
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case NS_MOUSE_BUTTON_UP:
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mType = MULTITOUCH_END;
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break;
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// The mouse pointer has been interrupted in an implementation-specific
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// manner, such as a synchronous event or action cancelling the touch, or a
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// touch point leaving the document window and going into a non-document
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// area capable of handling user interactions.
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case NS_MOUSE_EXIT:
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mType = MULTITOUCH_CANCEL;
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break;
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default:
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NS_WARNING("Did not assign a type to a MultiTouchInput");
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break;
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}
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mTouches.AppendElement(SingleTouchData(0,
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ScreenIntPoint::FromUnknownPoint(
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gfx::IntPoint(aMouseEvent.refPoint.x,
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aMouseEvent.refPoint.y)),
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ScreenSize(1, 1),
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180.0f,
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1.0f));
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}
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}
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