michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsDocShellTransferableHooks.h"
michael@0: #include "nsIClipboardDragDropHooks.h"
michael@0: #include "nsIClipboardDragDropHookList.h"
michael@0: #include "nsArrayEnumerator.h"
michael@0: 
michael@0: nsTransferableHookData::nsTransferableHookData()
michael@0: {
michael@0: }
michael@0: 
michael@0: 
michael@0: nsTransferableHookData::~nsTransferableHookData()
michael@0: {
michael@0: }
michael@0: 
michael@0: //*****************************************************************************
michael@0: // nsIClipboardDragDropHookList
michael@0: //*****************************************************************************
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsTransferableHookData, nsIClipboardDragDropHookList)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsTransferableHookData::AddClipboardDragDropHooks(
michael@0:                                         nsIClipboardDragDropHooks *aOverrides)
michael@0: {
michael@0:     NS_ENSURE_ARG(aOverrides);
michael@0: 
michael@0:     // don't let a hook be added more than once
michael@0:     if (mHookList.IndexOfObject(aOverrides) == -1)
michael@0:     {
michael@0:         if (!mHookList.AppendObject(aOverrides))
michael@0:             return NS_ERROR_FAILURE;
michael@0:     }
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsTransferableHookData::RemoveClipboardDragDropHooks(
michael@0:                                          nsIClipboardDragDropHooks *aOverrides)
michael@0: {
michael@0:     NS_ENSURE_ARG(aOverrides);
michael@0:     if (!mHookList.RemoveObject(aOverrides))
michael@0:         return NS_ERROR_FAILURE;
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsTransferableHookData::GetHookEnumerator(nsISimpleEnumerator **aResult)
michael@0: {
michael@0:     return NS_NewArrayEnumerator(aResult, mHookList);
michael@0: }