dom/events/AsyncEventDispatcher.cpp@b8a032363ba2 (annotated)
dom/events/AsyncEventDispatcher.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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/AsyncEventDispatcher.h" |
| michael@0 | 7 | #include "mozilla/BasicEvents.h" |
| michael@0 | 8 | #include "mozilla/EventDispatcher.h" |
| michael@0 | 9 | #include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent() |
| michael@0 | 10 | #include "mozilla/dom/EventTarget.h" |
| michael@0 | 11 | #include "nsContentUtils.h" |
| michael@0 | 12 | #include "nsIDOMEvent.h" |
| michael@0 | 13 | |
| michael@0 | 14 | namespace mozilla { |
| michael@0 | 15 | |
| michael@0 | 16 | using namespace dom; |
| michael@0 | 17 | |
| michael@0 | 18 | /****************************************************************************** |
| michael@0 | 19 | * mozilla::AsyncEventDispatcher |
| michael@0 | 20 | ******************************************************************************/ |
| michael@0 | 21 | |
| michael@0 | 22 | AsyncEventDispatcher::AsyncEventDispatcher(nsINode* aEventNode, |
| michael@0 | 23 | WidgetEvent& aEvent) |
| michael@0 | 24 | : mEventNode(aEventNode) |
| michael@0 | 25 | , mDispatchChromeOnly(false) |
| michael@0 | 26 | { |
| michael@0 | 27 | MOZ_ASSERT(mEventNode); |
| michael@0 | 28 | EventDispatcher::CreateEvent(aEventNode, nullptr, &aEvent, EmptyString(), |
| michael@0 | 29 | getter_AddRefs(mEvent)); |
| michael@0 | 30 | NS_ASSERTION(mEvent, "Should never fail to create an event"); |
| michael@0 | 31 | mEvent->DuplicatePrivateData(); |
| michael@0 | 32 | mEvent->SetTrusted(aEvent.mFlags.mIsTrusted); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | NS_IMETHODIMP |
| michael@0 | 36 | AsyncEventDispatcher::Run() |
| michael@0 | 37 | { |
| michael@0 | 38 | if (mEvent) { |
| michael@0 | 39 | if (mDispatchChromeOnly) { |
| michael@0 | 40 | MOZ_ASSERT(mEvent->InternalDOMEvent()->IsTrusted()); |
| michael@0 | 41 | |
| michael@0 | 42 | nsCOMPtr<nsIDocument> ownerDoc = mEventNode->OwnerDoc(); |
| michael@0 | 43 | nsPIDOMWindow* window = ownerDoc->GetWindow(); |
| michael@0 | 44 | if (!window) { |
| michael@0 | 45 | return NS_ERROR_INVALID_ARG; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | nsCOMPtr<EventTarget> target = window->GetParentTarget(); |
| michael@0 | 49 | if (!target) { |
| michael@0 | 50 | return NS_ERROR_INVALID_ARG; |
| michael@0 | 51 | } |
| michael@0 | 52 | EventDispatcher::DispatchDOMEvent(target, nullptr, mEvent, |
| michael@0 | 53 | nullptr, nullptr); |
| michael@0 | 54 | } else { |
| michael@0 | 55 | nsCOMPtr<EventTarget> target = mEventNode.get(); |
| michael@0 | 56 | bool defaultActionEnabled; // This is not used because the caller is async |
| michael@0 | 57 | target->DispatchEvent(mEvent, &defaultActionEnabled); |
| michael@0 | 58 | } |
| michael@0 | 59 | } else { |
| michael@0 | 60 | nsIDocument* doc = mEventNode->OwnerDoc(); |
| michael@0 | 61 | if (mDispatchChromeOnly) { |
| michael@0 | 62 | nsContentUtils::DispatchChromeEvent(doc, mEventNode, mEventType, |
| michael@0 | 63 | mBubbles, false); |
| michael@0 | 64 | } else { |
| michael@0 | 65 | nsContentUtils::DispatchTrustedEvent(doc, mEventNode, mEventType, |
| michael@0 | 66 | mBubbles, false); |
| michael@0 | 67 | } |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | return NS_OK; |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | nsresult |
| michael@0 | 74 | AsyncEventDispatcher::PostDOMEvent() |
| michael@0 | 75 | { |
| michael@0 | 76 | return NS_DispatchToCurrentThread(this); |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | void |
| michael@0 | 80 | AsyncEventDispatcher::RunDOMEventWhenSafe() |
| michael@0 | 81 | { |
| michael@0 | 82 | nsContentUtils::AddScriptRunner(this); |
| michael@0 | 83 | } |
| michael@0 | 84 | |
| michael@0 | 85 | /****************************************************************************** |
| michael@0 | 86 | * mozilla::LoadBlockingAsyncEventDispatcher |
| michael@0 | 87 | ******************************************************************************/ |
| michael@0 | 88 | |
| michael@0 | 89 | LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher() |
| michael@0 | 90 | { |
| michael@0 | 91 | if (mBlockedDoc) { |
| michael@0 | 92 | mBlockedDoc->UnblockOnload(true); |
| michael@0 | 93 | } |
| michael@0 | 94 | } |
| michael@0 | 95 | |
| michael@0 | 96 | } // namespace mozilla |
