The Tor Browser / file comparison
comparison: embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp
embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
equal
deleted
inserted
replaced
| -1:000000000000 | 0:729ab3fadf10 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsAutoWindowStateHelper.h" | |
| 7 | |
| 8 #include "mozilla/dom/Event.h" | |
| 9 #include "nsIDocument.h" | |
| 10 #include "nsIDOMEvent.h" | |
| 11 #include "nsIDOMWindow.h" | |
| 12 #include "nsPIDOMWindow.h" | |
| 13 #include "nsString.h" | |
| 14 | |
| 15 using namespace mozilla; | |
| 16 using namespace mozilla::dom; | |
| 17 | |
| 18 /**************************************************************** | |
| 19 ****************** nsAutoWindowStateHelper ********************* | |
| 20 ****************************************************************/ | |
| 21 | |
| 22 nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsPIDOMWindow *aWindow) | |
| 23 : mWindow(aWindow), | |
| 24 mDefaultEnabled(DispatchEventToChrome("DOMWillOpenModalDialog")) | |
| 25 { | |
| 26 if (mWindow) { | |
| 27 mWindow->EnterModalState(); | |
| 28 } | |
| 29 } | |
| 30 | |
| 31 nsAutoWindowStateHelper::~nsAutoWindowStateHelper() | |
| 32 { | |
| 33 if (mWindow) { | |
| 34 mWindow->LeaveModalState(); | |
| 35 } | |
| 36 | |
| 37 if (mDefaultEnabled) { | |
| 38 DispatchEventToChrome("DOMModalDialogClosed"); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 bool | |
| 43 nsAutoWindowStateHelper::DispatchEventToChrome(const char *aEventName) | |
| 44 { | |
| 45 // XXXbz should we skip dispatching the event if the inner changed? | |
| 46 // That is, should we store both the inner and the outer? | |
| 47 if (!mWindow) { | |
| 48 return true; | |
| 49 } | |
| 50 | |
| 51 // The functions of nsContentUtils do not provide the required behavior, | |
| 52 // so the following is inlined. | |
| 53 nsIDocument* doc = mWindow->GetExtantDoc(); | |
| 54 if (!doc) { | |
| 55 return true; | |
| 56 } | |
| 57 | |
| 58 ErrorResult rv; | |
| 59 nsRefPtr<Event> event = doc->CreateEvent(NS_LITERAL_STRING("Events"), rv); | |
| 60 if (rv.Failed()) { | |
| 61 return false; | |
| 62 } | |
| 63 NS_ENSURE_TRUE(NS_SUCCEEDED(event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), true, true)), false); | |
| 64 event->SetTrusted(true); | |
| 65 event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true; | |
| 66 | |
| 67 nsCOMPtr<EventTarget> target = do_QueryInterface(mWindow); | |
| 68 bool defaultActionEnabled; | |
| 69 target->DispatchEvent(event, &defaultActionEnabled); | |
| 70 return defaultActionEnabled; | |
| 71 } |
