gecko-dev/dom/base/nsContentPermissionHelper.cpp

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5.0 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Doug Turner <dougt@mozilla.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsContentPermissionHelper.h"
#include "nsIContentPermissionPrompt.h"
#include "nsCOMPtr.h"
#include "nsIDOMWindow.h"
#include "nsIDOMElement.h"
#include "mozilla/unused.h"
using mozilla::unused; // <snicker>
nsContentPermissionRequestProxy::nsContentPermissionRequestProxy()
{
MOZ_COUNT_CTOR(nsContentPermissionRequestProxy);
}
nsContentPermissionRequestProxy::~nsContentPermissionRequestProxy()
{
MOZ_COUNT_DTOR(nsContentPermissionRequestProxy);
}
nsresult
nsContentPermissionRequestProxy::Init(const nsACString & type,
mozilla::dom::ContentPermissionRequestParent* parent)
{
NS_ASSERTION(parent, "null parent");
mParent = parent;
mType = type;
nsCOMPtr<nsIContentPermissionPrompt> prompt = do_GetService(NS_CONTENT_PERMISSION_PROMPT_CONTRACTID);
if (!prompt) {
return NS_ERROR_FAILURE;
}
prompt->Prompt(this);
return NS_OK;
}
void
nsContentPermissionRequestProxy::OnParentDestroyed()
{
mParent = nsnull;
}
NS_IMPL_ISUPPORTS1(nsContentPermissionRequestProxy, nsIContentPermissionRequest);
NS_IMETHODIMP
nsContentPermissionRequestProxy::GetType(nsACString & aType)
{
aType = mType;
return NS_OK;
}
NS_IMETHODIMP
nsContentPermissionRequestProxy::GetWindow(nsIDOMWindow * *aRequestingWindow)
{
NS_ENSURE_ARG_POINTER(aRequestingWindow);
*aRequestingWindow = nsnull; // ipc doesn't have a window
return NS_OK;
}
NS_IMETHODIMP
nsContentPermissionRequestProxy::GetUri(nsIURI * *aRequestingURI)
{
NS_ENSURE_ARG_POINTER(aRequestingURI);
if (mParent == nsnull)
return NS_ERROR_FAILURE;
NS_ADDREF(*aRequestingURI = mParent->mURI);
return NS_OK;
}
NS_IMETHODIMP
nsContentPermissionRequestProxy::GetElement(nsIDOMElement * *aRequestingElement)
{
NS_ENSURE_ARG_POINTER(aRequestingElement);
if (mParent == nsnull)
return NS_ERROR_FAILURE;
NS_ADDREF(*aRequestingElement = mParent->mElement);
return NS_OK;
}
NS_IMETHODIMP
nsContentPermissionRequestProxy::Cancel()
{
if (mParent == nsnull)
return NS_ERROR_FAILURE;
unused << mozilla::dom::ContentPermissionRequestParent::Send__delete__(mParent, false);
mParent = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsContentPermissionRequestProxy::Allow()
{
if (mParent == nsnull)
return NS_ERROR_FAILURE;
unused << mozilla::dom::ContentPermissionRequestParent::Send__delete__(mParent, true);
mParent = nsnull;
return NS_OK;
}
namespace mozilla {
namespace dom {
ContentPermissionRequestParent::ContentPermissionRequestParent(const nsACString& aType,
nsIDOMElement *aElement,
const IPC::URI& aUri)
{
MOZ_COUNT_CTOR(ContentPermissionRequestParent);
mURI = aUri;
mElement = aElement;
mType = aType;
}
ContentPermissionRequestParent::~ContentPermissionRequestParent()
{
MOZ_COUNT_DTOR(ContentPermissionRequestParent);
}
bool
ContentPermissionRequestParent::Recvprompt()
{
mProxy = new nsContentPermissionRequestProxy();
NS_ASSERTION(mProxy, "Alloc of request proxy failed");
if (NS_FAILED(mProxy->Init(mType, this)))
mProxy->Cancel();
return true;
}
void
ContentPermissionRequestParent::ActorDestroy(ActorDestroyReason why)
{
mProxy->OnParentDestroyed();
}
} // namespace dom
} // namespace mozilla