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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "base/basictypes.h"
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#include "ipc/IPCMessageUtils.h"
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#include "mozilla/dom/DOMRect.h"
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#include "mozilla/dom/ScrollAreaEvent.h"
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#include "mozilla/ContentEvents.h"
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namespace mozilla {
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namespace dom {
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ScrollAreaEvent::ScrollAreaEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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InternalScrollAreaEvent* aEvent)
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: UIEvent(aOwner, aPresContext, aEvent), mClientArea(new DOMRect(nullptr)) {
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mClientArea->SetLayoutRect(aEvent ? aEvent->mArea : nsRect());
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(ScrollAreaEvent, UIEvent, mClientArea)
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NS_IMPL_ADDREF_INHERITED(ScrollAreaEvent, UIEvent)
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NS_IMPL_RELEASE_INHERITED(ScrollAreaEvent, UIEvent)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScrollAreaEvent)
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NS_INTERFACE_MAP_END_INHERITING(UIEvent)
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void ScrollAreaEvent::InitScrollAreaEvent(const nsAString& aEventType,
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bool aCanBubble, bool aCancelable,
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nsGlobalWindowInner* aView,
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int32_t aDetail, float aX, float aY,
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float aWidth, float aHeight) {
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NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
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UIEvent::InitUIEvent(aEventType, aCanBubble, aCancelable, aView, aDetail);
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mClientArea->SetRect(aX, aY, aWidth, aHeight);
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}
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void ScrollAreaEvent::Serialize(IPC::Message* aMsg,
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bool aSerializeInterfaceType) {
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if (aSerializeInterfaceType) {
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IPC::WriteParam(aMsg, NS_LITERAL_STRING("scrollareaevent"));
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}
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Event::Serialize(aMsg, false);
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IPC::WriteParam(aMsg, X());
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IPC::WriteParam(aMsg, Y());
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IPC::WriteParam(aMsg, Width());
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IPC::WriteParam(aMsg, Height());
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}
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bool ScrollAreaEvent::Deserialize(const IPC::Message* aMsg,
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PickleIterator* aIter) {
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NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false);
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float x, y, width, height;
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &x), false);
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &y), false);
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &width), false);
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &height), false);
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mClientArea->SetRect(x, y, width, height);
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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using namespace mozilla;
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using namespace mozilla::dom;
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already_AddRefed<ScrollAreaEvent> NS_NewDOMScrollAreaEvent(
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EventTarget* aOwner, nsPresContext* aPresContext,
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InternalScrollAreaEvent* aEvent) {
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RefPtr<ScrollAreaEvent> ev =
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new ScrollAreaEvent(aOwner, aPresContext, aEvent);
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return ev.forget();
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}
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