gecko-dev/docshell/base/nsDocShellTransferableHooks.cpp

55 lines
1.4 KiB
C++

/* -*- 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 "nsDocShellTransferableHooks.h"
#include "nsIClipboardDragDropHooks.h"
#include "nsIClipboardDragDropHookList.h"
#include "nsArrayEnumerator.h"
nsTransferableHookData::nsTransferableHookData()
{
}
nsTransferableHookData::~nsTransferableHookData()
{
}
NS_IMPL_ISUPPORTS(nsTransferableHookData, nsIClipboardDragDropHookList)
NS_IMETHODIMP
nsTransferableHookData::AddClipboardDragDropHooks(
nsIClipboardDragDropHooks* aOverrides)
{
NS_ENSURE_ARG(aOverrides);
// don't let a hook be added more than once
if (mHookList.IndexOfObject(aOverrides) == -1) {
if (!mHookList.AppendObject(aOverrides)) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsTransferableHookData::RemoveClipboardDragDropHooks(
nsIClipboardDragDropHooks* aOverrides)
{
NS_ENSURE_ARG(aOverrides);
if (!mHookList.RemoveObject(aOverrides)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
nsTransferableHookData::GetHookEnumerator(nsISimpleEnumerator** aResult)
{
return NS_NewArrayEnumerator(aResult, mHookList);
}