dom/events/MouseScrollEvent.cpp@97036ab72558 (annotated)
dom/events/MouseScrollEvent.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "mozilla/dom/MouseScrollEvent.h" |
| michael@0 | 7 | #include "mozilla/MouseEvents.h" |
| michael@0 | 8 | #include "prtime.h" |
| michael@0 | 9 | |
| michael@0 | 10 | namespace mozilla { |
| michael@0 | 11 | namespace dom { |
| michael@0 | 12 | |
| michael@0 | 13 | MouseScrollEvent::MouseScrollEvent(EventTarget* aOwner, |
| michael@0 | 14 | nsPresContext* aPresContext, |
| michael@0 | 15 | WidgetMouseScrollEvent* aEvent) |
| michael@0 | 16 | : MouseEvent(aOwner, aPresContext, |
| michael@0 | 17 | aEvent ? aEvent : new WidgetMouseScrollEvent(false, 0, nullptr)) |
| michael@0 | 18 | { |
| michael@0 | 19 | if (aEvent) { |
| michael@0 | 20 | mEventIsInternal = false; |
| michael@0 | 21 | } else { |
| michael@0 | 22 | mEventIsInternal = true; |
| michael@0 | 23 | mEvent->time = PR_Now(); |
| michael@0 | 24 | mEvent->refPoint.x = mEvent->refPoint.y = 0; |
| michael@0 | 25 | static_cast<WidgetMouseEventBase*>(mEvent)->inputSource = |
| michael@0 | 26 | nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN; |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | mDetail = mEvent->AsMouseScrollEvent()->delta; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | NS_IMPL_ADDREF_INHERITED(MouseScrollEvent, MouseEvent) |
| michael@0 | 33 | NS_IMPL_RELEASE_INHERITED(MouseScrollEvent, MouseEvent) |
| michael@0 | 34 | |
| michael@0 | 35 | NS_INTERFACE_MAP_BEGIN(MouseScrollEvent) |
| michael@0 | 36 | NS_INTERFACE_MAP_ENTRY(nsIDOMMouseScrollEvent) |
| michael@0 | 37 | NS_INTERFACE_MAP_END_INHERITING(MouseEvent) |
| michael@0 | 38 | |
| michael@0 | 39 | NS_IMETHODIMP |
| michael@0 | 40 | MouseScrollEvent::InitMouseScrollEvent(const nsAString& aType, |
| michael@0 | 41 | bool aCanBubble, |
| michael@0 | 42 | bool aCancelable, |
| michael@0 | 43 | nsIDOMWindow* aView, |
| michael@0 | 44 | int32_t aDetail, |
| michael@0 | 45 | int32_t aScreenX, |
| michael@0 | 46 | int32_t aScreenY, |
| michael@0 | 47 | int32_t aClientX, |
| michael@0 | 48 | int32_t aClientY, |
| michael@0 | 49 | bool aCtrlKey, |
| michael@0 | 50 | bool aAltKey, |
| michael@0 | 51 | bool aShiftKey, |
| michael@0 | 52 | bool aMetaKey, |
| michael@0 | 53 | uint16_t aButton, |
| michael@0 | 54 | nsIDOMEventTarget* aRelatedTarget, |
| michael@0 | 55 | int32_t aAxis) |
| michael@0 | 56 | { |
| michael@0 | 57 | nsresult rv = |
| michael@0 | 58 | MouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable, aView, aDetail, |
| michael@0 | 59 | aScreenX, aScreenY, aClientX, aClientY, |
| michael@0 | 60 | aCtrlKey, aAltKey, aShiftKey, aMetaKey, aButton, |
| michael@0 | 61 | aRelatedTarget); |
| michael@0 | 62 | NS_ENSURE_SUCCESS(rv, rv); |
| michael@0 | 63 | mEvent->AsMouseScrollEvent()->isHorizontal = (aAxis == HORIZONTAL_AXIS); |
| michael@0 | 64 | return NS_OK; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | |
| michael@0 | 68 | NS_IMETHODIMP |
| michael@0 | 69 | MouseScrollEvent::GetAxis(int32_t* aResult) |
| michael@0 | 70 | { |
| michael@0 | 71 | NS_ENSURE_ARG_POINTER(aResult); |
| michael@0 | 72 | *aResult = Axis(); |
| michael@0 | 73 | return NS_OK; |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | int32_t |
| michael@0 | 77 | MouseScrollEvent::Axis() |
| michael@0 | 78 | { |
| michael@0 | 79 | return mEvent->AsMouseScrollEvent()->isHorizontal ? |
| michael@0 | 80 | static_cast<int32_t>(HORIZONTAL_AXIS) : |
| michael@0 | 81 | static_cast<int32_t>(VERTICAL_AXIS); |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | } // namespace dom |
| michael@0 | 85 | } // namespace mozilla |
| michael@0 | 86 | |
| michael@0 | 87 | using namespace mozilla; |
| michael@0 | 88 | using namespace dom; |
| michael@0 | 89 | |
| michael@0 | 90 | nsresult |
| michael@0 | 91 | NS_NewDOMMouseScrollEvent(nsIDOMEvent** aInstancePtrResult, |
| michael@0 | 92 | EventTarget* aOwner, |
| michael@0 | 93 | nsPresContext* aPresContext, |
| michael@0 | 94 | WidgetMouseScrollEvent* aEvent) |
| michael@0 | 95 | { |
| michael@0 | 96 | MouseScrollEvent* it = new MouseScrollEvent(aOwner, aPresContext, aEvent); |
| michael@0 | 97 | NS_ADDREF(it); |
| michael@0 | 98 | *aInstancePtrResult = static_cast<Event*>(it); |
| michael@0 | 99 | return NS_OK; |
| michael@0 | 100 | } |
