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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp')
-rw-r--r--embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp b/embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp
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index 000000000..068f2a6dc
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+++ b/embedding/components/windowwatcher/nsAutoWindowStateHelper.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsAutoWindowStateHelper.h"
+
+#include "mozilla/dom/Event.h"
+#include "nsIDocument.h"
+#include "nsIDOMEvent.h"
+#include "nsIDOMWindow.h"
+#include "nsPIDOMWindow.h"
+#include "nsString.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+/****************************************************************
+ ****************** nsAutoWindowStateHelper *********************
+ ****************************************************************/
+
+nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsPIDOMWindowOuter* aWindow)
+ : mWindow(aWindow)
+ , mDefaultEnabled(DispatchEventToChrome("DOMWillOpenModalDialog"))
+{
+ if (mWindow) {
+ mWindow->EnterModalState();
+ }
+}
+
+nsAutoWindowStateHelper::~nsAutoWindowStateHelper()
+{
+ if (mWindow) {
+ mWindow->LeaveModalState();
+ }
+
+ if (mDefaultEnabled) {
+ DispatchEventToChrome("DOMModalDialogClosed");
+ }
+}
+
+bool
+nsAutoWindowStateHelper::DispatchEventToChrome(const char* aEventName)
+{
+ // XXXbz should we skip dispatching the event if the inner changed?
+ // That is, should we store both the inner and the outer?
+ if (!mWindow) {
+ return true;
+ }
+
+ // The functions of nsContentUtils do not provide the required behavior,
+ // so the following is inlined.
+ nsIDocument* doc = mWindow->GetExtantDoc();
+ if (!doc) {
+ return true;
+ }
+
+ ErrorResult rv;
+ RefPtr<Event> event = doc->CreateEvent(NS_LITERAL_STRING("Events"), rv);
+ if (rv.Failed()) {
+ rv.SuppressException();
+ return false;
+ }
+ event->InitEvent(NS_ConvertASCIItoUTF16(aEventName), true, true);
+ event->SetTrusted(true);
+ event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
+
+ nsCOMPtr<EventTarget> target = do_QueryInterface(mWindow);
+ bool defaultActionEnabled;
+ target->DispatchEvent(event, &defaultActionEnabled);
+ return defaultActionEnabled;
+}