embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

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 "nsAutoWindowStateHelper.h"
michael@0 7
michael@0 8 #include "mozilla/dom/Event.h"
michael@0 9 #include "nsIDocument.h"
michael@0 10 #include "nsIDOMEvent.h"
michael@0 11 #include "nsIDOMWindow.h"
michael@0 12 #include "nsPIDOMWindow.h"
michael@0 13 #include "nsString.h"
michael@0 14
michael@0 15 using namespace mozilla;
michael@0 16 using namespace mozilla::dom;
michael@0 17
michael@0 18 /****************************************************************
michael@0 19 ****************** nsAutoWindowStateHelper *********************
michael@0 20 ****************************************************************/
michael@0 21
michael@0 22 nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsPIDOMWindow *aWindow)
michael@0 23 : mWindow(aWindow),
michael@0 24 mDefaultEnabled(DispatchEventToChrome("DOMWillOpenModalDialog"))
michael@0 25 {
michael@0 26 if (mWindow) {
michael@0 27 mWindow->EnterModalState();
michael@0 28 }
michael@0 29 }
michael@0 30
michael@0 31 nsAutoWindowStateHelper::~nsAutoWindowStateHelper()
michael@0 32 {
michael@0 33 if (mWindow) {
michael@0 34 mWindow->LeaveModalState();
michael@0 35 }
michael@0 36
michael@0 37 if (mDefaultEnabled) {
michael@0 38 DispatchEventToChrome("DOMModalDialogClosed");
michael@0 39 }
michael@0 40 }
michael@0 41
michael@0 42 bool
michael@0 43 nsAutoWindowStateHelper::DispatchEventToChrome(const char *aEventName)
michael@0 44 {
michael@0 45 // XXXbz should we skip dispatching the event if the inner changed?
michael@0 46 // That is, should we store both the inner and the outer?
michael@0 47 if (!mWindow) {
michael@0 48 return true;
michael@0 49 }
michael@0 50
michael@0 51 // The functions of nsContentUtils do not provide the required behavior,
michael@0 52 // so the following is inlined.
michael@0 53 nsIDocument* doc = mWindow->GetExtantDoc();
michael@0 54 if (!doc) {
michael@0 55 return true;
michael@0 56 }
michael@0 57
michael@0 58 ErrorResult rv;
michael@0 59 nsRefPtr<Event> event = doc->CreateEvent(NS_LITERAL_STRING("Events"), rv);
michael@0 60 if (rv.Failed()) {
michael@0 61 return false;
michael@0 62 }
michael@0 63 NS_ENSURE_TRUE(NS_SUCCEEDED(event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), true, true)), false);
michael@0 64 event->SetTrusted(true);
michael@0 65 event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
michael@0 66
michael@0 67 nsCOMPtr<EventTarget> target = do_QueryInterface(mWindow);
michael@0 68 bool defaultActionEnabled;
michael@0 69 target->DispatchEvent(event, &defaultActionEnabled);
michael@0 70 return defaultActionEnabled;
michael@0 71 }

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