The Tor Browser: embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp@deefc01c0e14

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.)

     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/. */

     6 #include "nsAutoWindowStateHelper.h"

     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"

    15 using namespace mozilla;

    16 using namespace mozilla::dom;

    18 /****************************************************************

    19  ****************** nsAutoWindowStateHelper *********************

    20  ****************************************************************/

    22 nsAutoWindowStateHelper::nsAutoWindowStateHelper(nsPIDOMWindow *aWindow)

    23   : mWindow(aWindow),

    24     mDefaultEnabled(DispatchEventToChrome("DOMWillOpenModalDialog"))

    25 {

    26   if (mWindow) {

    27     mWindow->EnterModalState();

    28   }

    29 }

    31 nsAutoWindowStateHelper::~nsAutoWindowStateHelper()

    32 {

    33   if (mWindow) {

    34     mWindow->LeaveModalState();

    35   }

    37   if (mDefaultEnabled) {

    38     DispatchEventToChrome("DOMModalDialogClosed");

    39   }

    40 }

    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   }

    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   }

    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;

    67   nsCOMPtr<EventTarget> target = do_QueryInterface(mWindow);

    68   bool defaultActionEnabled;

    69   target->DispatchEvent(event, &defaultActionEnabled);

    70   return defaultActionEnabled;

    71 }

The Tor Browser / file revision

embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp@deefc01c0e14

embedding/components/windowwatcher/src/nsAutoWindowStateHelper.cpp