The Tor Browser / file comparison
comparison: widget/xpwidgets/InputData.cpp
widget/xpwidgets/InputData.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:6fe49c98a410 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "InputData.h" | |
| 7 | |
| 8 #include "mozilla/dom/Touch.h" | |
| 9 #include "nsDebug.h" | |
| 10 #include "nsThreadUtils.h" | |
| 11 #include "mozilla/MouseEvents.h" | |
| 12 #include "mozilla/TouchEvents.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 | |
| 16 using namespace dom; | |
| 17 | |
| 18 MultiTouchInput::MultiTouchInput(const WidgetTouchEvent& aTouchEvent) | |
| 19 : InputData(MULTITOUCH_INPUT, aTouchEvent.time, aTouchEvent.modifiers) | |
| 20 { | |
| 21 NS_ABORT_IF_FALSE(NS_IsMainThread(), | |
| 22 "Can only copy from WidgetTouchEvent on main thread"); | |
| 23 | |
| 24 switch (aTouchEvent.message) { | |
| 25 case NS_TOUCH_START: | |
| 26 mType = MULTITOUCH_START; | |
| 27 break; | |
| 28 case NS_TOUCH_MOVE: | |
| 29 mType = MULTITOUCH_MOVE; | |
| 30 break; | |
| 31 case NS_TOUCH_END: | |
| 32 mType = MULTITOUCH_END; | |
| 33 break; | |
| 34 case NS_TOUCH_ENTER: | |
| 35 mType = MULTITOUCH_ENTER; | |
| 36 break; | |
| 37 case NS_TOUCH_LEAVE: | |
| 38 mType = MULTITOUCH_LEAVE; | |
| 39 break; | |
| 40 case NS_TOUCH_CANCEL: | |
| 41 mType = MULTITOUCH_CANCEL; | |
| 42 break; | |
| 43 default: | |
| 44 NS_WARNING("Did not assign a type to a MultiTouchInput"); | |
| 45 break; | |
| 46 } | |
| 47 | |
| 48 for (size_t i = 0; i < aTouchEvent.touches.Length(); i++) { | |
| 49 const Touch* domTouch = aTouchEvent.touches[i]; | |
| 50 | |
| 51 // Extract data from weird interfaces. | |
| 52 int32_t identifier = domTouch->Identifier(); | |
| 53 int32_t radiusX = domTouch->RadiusX(); | |
| 54 int32_t radiusY = domTouch->RadiusY(); | |
| 55 float rotationAngle = domTouch->RotationAngle(); | |
| 56 float force = domTouch->Force(); | |
| 57 | |
| 58 SingleTouchData data(identifier, | |
| 59 ScreenIntPoint::FromUnknownPoint( | |
| 60 gfx::IntPoint(domTouch->mRefPoint.x, | |
| 61 domTouch->mRefPoint.y)), | |
| 62 ScreenSize(radiusX, radiusY), | |
| 63 rotationAngle, | |
| 64 force); | |
| 65 | |
| 66 mTouches.AppendElement(data); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 // This conversion from WidgetMouseEvent to MultiTouchInput is needed because on | |
| 71 // the B2G emulator we can only receive mouse events, but we need to be able | |
| 72 // to pan correctly. To do this, we convert the events into a format that the | |
| 73 // panning code can handle. This code is very limited and only supports | |
| 74 // SingleTouchData. It also sends garbage for the identifier, radius, force | |
| 75 // and rotation angle. | |
| 76 MultiTouchInput::MultiTouchInput(const WidgetMouseEvent& aMouseEvent) | |
| 77 : InputData(MULTITOUCH_INPUT, aMouseEvent.time, aMouseEvent.modifiers) | |
| 78 { | |
| 79 NS_ABORT_IF_FALSE(NS_IsMainThread(), | |
| 80 "Can only copy from WidgetMouseEvent on main thread"); | |
| 81 switch (aMouseEvent.message) { | |
| 82 case NS_MOUSE_BUTTON_DOWN: | |
| 83 mType = MULTITOUCH_START; | |
| 84 break; | |
| 85 case NS_MOUSE_MOVE: | |
| 86 mType = MULTITOUCH_MOVE; | |
| 87 break; | |
| 88 case NS_MOUSE_BUTTON_UP: | |
| 89 mType = MULTITOUCH_END; | |
| 90 break; | |
| 91 // The mouse pointer has been interrupted in an implementation-specific | |
| 92 // manner, such as a synchronous event or action cancelling the touch, or a | |
| 93 // touch point leaving the document window and going into a non-document | |
| 94 // area capable of handling user interactions. | |
| 95 case NS_MOUSE_EXIT: | |
| 96 mType = MULTITOUCH_CANCEL; | |
| 97 break; | |
| 98 default: | |
| 99 NS_WARNING("Did not assign a type to a MultiTouchInput"); | |
| 100 break; | |
| 101 } | |
| 102 | |
| 103 mTouches.AppendElement(SingleTouchData(0, | |
| 104 ScreenIntPoint::FromUnknownPoint( | |
| 105 gfx::IntPoint(aMouseEvent.refPoint.x, | |
| 106 aMouseEvent.refPoint.y)), | |
| 107 ScreenSize(1, 1), | |
| 108 180.0f, | |
| 109 1.0f)); | |
| 110 } | |
| 111 } |
