The Tor Browser / file comparison
comparison: dom/base/DOMCursor.cpp
dom/base/DOMCursor.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:c99de5dbbb3c |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "DOMCursor.h" | |
| 8 #include "mozilla/dom/DOMCursorBinding.h" | |
| 9 | |
| 10 namespace mozilla { | |
| 11 namespace dom { | |
| 12 | |
| 13 NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMCursor, DOMRequest, | |
| 14 mCallback) | |
| 15 | |
| 16 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMCursor) | |
| 17 NS_INTERFACE_MAP_ENTRY(nsIDOMDOMCursor) | |
| 18 NS_INTERFACE_MAP_END_INHERITING(DOMRequest) | |
| 19 | |
| 20 NS_IMPL_ADDREF_INHERITED(DOMCursor, DOMRequest) | |
| 21 NS_IMPL_RELEASE_INHERITED(DOMCursor, DOMRequest) | |
| 22 | |
| 23 DOMCursor::DOMCursor(nsPIDOMWindow* aWindow, nsICursorContinueCallback* aCallback) | |
| 24 : DOMRequest(aWindow) | |
| 25 , mCallback(aCallback) | |
| 26 , mFinished(false) | |
| 27 { | |
| 28 } | |
| 29 | |
| 30 void | |
| 31 DOMCursor::Reset() | |
| 32 { | |
| 33 MOZ_ASSERT(!mFinished); | |
| 34 | |
| 35 // Reset the request state so we can FireSuccess() again. | |
| 36 mResult = JSVAL_VOID; | |
| 37 mDone = false; | |
| 38 } | |
| 39 | |
| 40 void | |
| 41 DOMCursor::FireDone() | |
| 42 { | |
| 43 Reset(); | |
| 44 mFinished = true; | |
| 45 FireSuccess(JS::UndefinedHandleValue); | |
| 46 } | |
| 47 | |
| 48 NS_IMETHODIMP | |
| 49 DOMCursor::GetDone(bool *aDone) | |
| 50 { | |
| 51 *aDone = Done(); | |
| 52 return NS_OK; | |
| 53 } | |
| 54 | |
| 55 NS_IMETHODIMP | |
| 56 DOMCursor::Continue() | |
| 57 { | |
| 58 ErrorResult rv; | |
| 59 Continue(rv); | |
| 60 return rv.ErrorCode(); | |
| 61 } | |
| 62 | |
| 63 void | |
| 64 DOMCursor::Continue(ErrorResult& aRv) | |
| 65 { | |
| 66 MOZ_ASSERT(mCallback, "If you're creating your own cursor class with no callback, you should override Continue()"); | |
| 67 | |
| 68 // We need to have a result here because we must be in a 'success' state. | |
| 69 if (mResult == JSVAL_VOID) { | |
| 70 aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 Reset(); | |
| 75 mCallback->HandleContinue(); | |
| 76 } | |
| 77 | |
| 78 /* virtual */ JSObject* | |
| 79 DOMCursor::WrapObject(JSContext* aCx) | |
| 80 { | |
| 81 return DOMCursorBinding::Wrap(aCx, this); | |
| 82 } | |
| 83 | |
| 84 } // namespace dom | |
| 85 } // namespace mozilla |
