dom/base/DOMCursor.cpp@6474c204b198 (annotated)
dom/base/DOMCursor.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "DOMCursor.h" |
| michael@0 | 8 | #include "mozilla/dom/DOMCursorBinding.h" |
| michael@0 | 9 | |
| michael@0 | 10 | namespace mozilla { |
| michael@0 | 11 | namespace dom { |
| michael@0 | 12 | |
| michael@0 | 13 | NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMCursor, DOMRequest, |
| michael@0 | 14 | mCallback) |
| michael@0 | 15 | |
| michael@0 | 16 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMCursor) |
| michael@0 | 17 | NS_INTERFACE_MAP_ENTRY(nsIDOMDOMCursor) |
| michael@0 | 18 | NS_INTERFACE_MAP_END_INHERITING(DOMRequest) |
| michael@0 | 19 | |
| michael@0 | 20 | NS_IMPL_ADDREF_INHERITED(DOMCursor, DOMRequest) |
| michael@0 | 21 | NS_IMPL_RELEASE_INHERITED(DOMCursor, DOMRequest) |
| michael@0 | 22 | |
| michael@0 | 23 | DOMCursor::DOMCursor(nsPIDOMWindow* aWindow, nsICursorContinueCallback* aCallback) |
| michael@0 | 24 | : DOMRequest(aWindow) |
| michael@0 | 25 | , mCallback(aCallback) |
| michael@0 | 26 | , mFinished(false) |
| michael@0 | 27 | { |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | void |
| michael@0 | 31 | DOMCursor::Reset() |
| michael@0 | 32 | { |
| michael@0 | 33 | MOZ_ASSERT(!mFinished); |
| michael@0 | 34 | |
| michael@0 | 35 | // Reset the request state so we can FireSuccess() again. |
| michael@0 | 36 | mResult = JSVAL_VOID; |
| michael@0 | 37 | mDone = false; |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | void |
| michael@0 | 41 | DOMCursor::FireDone() |
| michael@0 | 42 | { |
| michael@0 | 43 | Reset(); |
| michael@0 | 44 | mFinished = true; |
| michael@0 | 45 | FireSuccess(JS::UndefinedHandleValue); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | NS_IMETHODIMP |
| michael@0 | 49 | DOMCursor::GetDone(bool *aDone) |
| michael@0 | 50 | { |
| michael@0 | 51 | *aDone = Done(); |
| michael@0 | 52 | return NS_OK; |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | NS_IMETHODIMP |
| michael@0 | 56 | DOMCursor::Continue() |
| michael@0 | 57 | { |
| michael@0 | 58 | ErrorResult rv; |
| michael@0 | 59 | Continue(rv); |
| michael@0 | 60 | return rv.ErrorCode(); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | void |
| michael@0 | 64 | DOMCursor::Continue(ErrorResult& aRv) |
| michael@0 | 65 | { |
| michael@0 | 66 | MOZ_ASSERT(mCallback, "If you're creating your own cursor class with no callback, you should override Continue()"); |
| michael@0 | 67 | |
| michael@0 | 68 | // We need to have a result here because we must be in a 'success' state. |
| michael@0 | 69 | if (mResult == JSVAL_VOID) { |
| michael@0 | 70 | aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); |
| michael@0 | 71 | return; |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | Reset(); |
| michael@0 | 75 | mCallback->HandleContinue(); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | /* virtual */ JSObject* |
| michael@0 | 79 | DOMCursor::WrapObject(JSContext* aCx) |
| michael@0 | 80 | { |
| michael@0 | 81 | return DOMCursorBinding::Wrap(aCx, this); |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | } // namespace dom |
| michael@0 | 85 | } // namespace mozilla |
