Files
palemoon27/dom/base/DOMCursor.cpp
T
roytam1 afea1b3ff8 import changes from `dev' branch of rmottola/Arctic-Fox:
- Bug 559303 - Consolidate strBuf and longStrBuf in the tokenizer. r=wchen. (b385e7635)
- Bug 489820 part 1 - Make charRefBuf non-growable and have the same lifetime as the tokenizer. r=wchen. (5c9a2c402)
- Bug 489820 part 2 - Grow buffers to the worst-case size before tokenizing; fix comments. r=wchen. (7dad72a9a)
- Bug 1176668 - Fix overflow avoidance in numeric character reference handling. r=wchen. (f9cdb2b5b)
- Bug 1171309 - Remove PREF_Init()'s return value. r=bsmedberg. (245dd4436)
- Bug 916101 - Show entire pref name when wanring about size, r=mossop (61245be0f)
- add back crashrep, it is not defined anyway (4995d8d3e)
- Bug 1195123: Restructure logic (pulling out "!") for SVG image rejection, to make it clearer that it matches the comment. r=longsonr (57e3698f6)
- Bug 629682 - Add a better warning message for SVG-as-an-image external resources being blocked. r=dholbert (35ea836e4)
- remove useless cast (abb30e8ac)
- add internal CSP preload check from TFF (14c4d843e)
- Bug 1167650 - Expose DOMRequest and DOMCursor to workers. r=bent (468365262)
- Bug 1154041 - Enable child process memory report logging by default on B2G. r=erahm (141254fc5)
- namespace (515b42704)
- Bug 1164587 - Get rid of Fault() in the cycle collector. r=smaug (9587d4971)
2022-01-14 09:31:10 +08:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DOMCursor.h"
#include "mozilla/dom/DOMCursorBinding.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMCursor, DOMRequest,
mCallback)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMCursor)
NS_INTERFACE_MAP_ENTRY(nsIDOMDOMCursor)
NS_INTERFACE_MAP_END_INHERITING(DOMRequest)
NS_IMPL_ADDREF_INHERITED(DOMCursor, DOMRequest)
NS_IMPL_RELEASE_INHERITED(DOMCursor, DOMRequest)
DOMCursor::DOMCursor(nsPIDOMWindow* aWindow, nsICursorContinueCallback* aCallback)
: DOMRequest(aWindow)
, mCallback(aCallback)
, mFinished(false)
{
}
DOMCursor::DOMCursor(nsIGlobalObject* aGlobal, nsICursorContinueCallback* aCallback)
: DOMRequest(aGlobal)
, mCallback(aCallback)
, mFinished(false)
{
}
void
DOMCursor::Reset()
{
MOZ_ASSERT(!mFinished);
// Reset the request state so we can FireSuccess() again.
mResult.setUndefined();
mDone = false;
}
void
DOMCursor::FireDone()
{
Reset();
mFinished = true;
FireSuccess(JS::UndefinedHandleValue);
}
NS_IMETHODIMP
DOMCursor::GetDone(bool *aDone)
{
*aDone = Done();
return NS_OK;
}
NS_IMETHODIMP
DOMCursor::Continue()
{
ErrorResult rv;
Continue(rv);
return rv.StealNSResult();
}
void
DOMCursor::Continue(ErrorResult& aRv)
{
MOZ_ASSERT(mCallback, "If you're creating your own cursor class with no callback, you should override Continue()");
// We need to have a result here because we must be in a 'success' state.
if (mResult.isUndefined()) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
Reset();
mCallback->HandleContinue();
}
/* virtual */ JSObject*
DOMCursor::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DOMCursorBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla