2001-09-29 00:14:13 +04:00
|
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
2012-05-21 15:12:37 +04:00
|
|
|
/* 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/. */
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
#include "nsBaseClipboard.h"
|
|
|
|
|
|
|
|
#include "nsIClipboardOwner.h"
|
1999-08-25 12:35:06 +04:00
|
|
|
#include "nsCOMPtr.h"
|
2002-09-04 03:36:13 +04:00
|
|
|
#include "nsXPCOM.h"
|
1999-08-25 12:35:06 +04:00
|
|
|
#include "nsISupportsPrimitives.h"
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
nsBaseClipboard::nsBaseClipboard()
|
|
|
|
{
|
|
|
|
mClipboardOwner = nsnull;
|
|
|
|
mTransferable = nsnull;
|
2011-10-17 18:59:28 +04:00
|
|
|
mIgnoreEmptyNotification = false;
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
nsBaseClipboard::~nsBaseClipboard()
|
|
|
|
{
|
2000-04-14 06:52:38 +04:00
|
|
|
EmptyClipboard(kSelectionClipboard);
|
|
|
|
EmptyClipboard(kGlobalClipboard);
|
1999-03-26 18:01:23 +03:00
|
|
|
}
|
|
|
|
|
2007-08-07 19:18:36 +04:00
|
|
|
NS_IMPL_ISUPPORTS1(nsBaseClipboard, nsIClipboard)
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the transferable object
|
|
|
|
*
|
|
|
|
*/
|
2000-04-14 06:52:38 +04:00
|
|
|
NS_IMETHODIMP nsBaseClipboard::SetData(nsITransferable * aTransferable, nsIClipboardOwner * anOwner,
|
|
|
|
PRInt32 aWhichClipboard)
|
1999-03-26 18:01:23 +03:00
|
|
|
{
|
2000-04-18 06:36:01 +04:00
|
|
|
NS_ASSERTION ( aTransferable, "clipboard given a null transferable" );
|
|
|
|
|
|
|
|
if (aTransferable == mTransferable && anOwner == mClipboardOwner)
|
1999-03-26 18:01:23 +03:00
|
|
|
return NS_OK;
|
2011-09-29 10:19:26 +04:00
|
|
|
bool selectClipPresent;
|
2000-04-18 06:36:01 +04:00
|
|
|
SupportsSelectionClipboard(&selectClipPresent);
|
|
|
|
if ( !selectClipPresent && aWhichClipboard != kGlobalClipboard )
|
|
|
|
return NS_ERROR_FAILURE;
|
1999-03-26 18:01:23 +03:00
|
|
|
|
2000-04-14 06:52:38 +04:00
|
|
|
EmptyClipboard(aWhichClipboard);
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
mClipboardOwner = anOwner;
|
2000-04-18 06:36:01 +04:00
|
|
|
if ( anOwner )
|
1999-03-26 18:01:23 +03:00
|
|
|
NS_ADDREF(mClipboardOwner);
|
|
|
|
|
|
|
|
mTransferable = aTransferable;
|
1999-04-17 01:25:20 +04:00
|
|
|
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
|
2000-04-18 06:36:01 +04:00
|
|
|
if ( mTransferable ) {
|
1999-03-26 18:01:23 +03:00
|
|
|
NS_ADDREF(mTransferable);
|
2009-01-30 11:13:17 +03:00
|
|
|
if (!mPrivacyHandler) {
|
|
|
|
rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
rv = mPrivacyHandler->PrepareDataForClipboard(mTransferable);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2000-04-14 06:52:38 +04:00
|
|
|
rv = SetNativeClipboardData(aWhichClipboard);
|
1999-03-26 18:01:23 +03:00
|
|
|
}
|
2000-04-18 06:36:01 +04:00
|
|
|
|
1999-04-17 01:25:20 +04:00
|
|
|
return rv;
|
1999-03-26 18:01:23 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Gets the transferable object
|
|
|
|
*
|
|
|
|
*/
|
2000-04-14 06:52:38 +04:00
|
|
|
NS_IMETHODIMP nsBaseClipboard::GetData(nsITransferable * aTransferable, PRInt32 aWhichClipboard)
|
1999-03-26 18:01:23 +03:00
|
|
|
{
|
2000-04-18 06:36:01 +04:00
|
|
|
NS_ASSERTION ( aTransferable, "clipboard given a null transferable" );
|
|
|
|
|
2011-09-29 10:19:26 +04:00
|
|
|
bool selectClipPresent;
|
2000-04-18 06:36:01 +04:00
|
|
|
SupportsSelectionClipboard(&selectClipPresent);
|
|
|
|
if ( !selectClipPresent && aWhichClipboard != kGlobalClipboard )
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
if ( aTransferable )
|
2000-04-14 06:52:38 +04:00
|
|
|
return GetNativeClipboardData(aTransferable, aWhichClipboard);
|
1999-03-26 18:01:23 +03:00
|
|
|
|
1999-04-17 17:49:39 +04:00
|
|
|
return NS_ERROR_FAILURE;
|
1999-03-26 18:01:23 +03:00
|
|
|
}
|
|
|
|
|
2000-04-14 06:52:38 +04:00
|
|
|
NS_IMETHODIMP nsBaseClipboard::EmptyClipboard(PRInt32 aWhichClipboard)
|
1999-03-26 18:01:23 +03:00
|
|
|
{
|
2011-09-29 10:19:26 +04:00
|
|
|
bool selectClipPresent;
|
2000-04-18 06:36:01 +04:00
|
|
|
SupportsSelectionClipboard(&selectClipPresent);
|
|
|
|
if ( !selectClipPresent && aWhichClipboard != kGlobalClipboard )
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
if (mIgnoreEmptyNotification)
|
1999-03-26 18:01:23 +03:00
|
|
|
return NS_OK;
|
|
|
|
|
2000-04-18 06:36:01 +04:00
|
|
|
if ( mClipboardOwner ) {
|
1999-03-26 18:01:23 +03:00
|
|
|
mClipboardOwner->LosingOwnership(mTransferable);
|
|
|
|
NS_RELEASE(mClipboardOwner);
|
|
|
|
}
|
|
|
|
|
2000-04-18 06:36:01 +04:00
|
|
|
NS_IF_RELEASE(mTransferable);
|
1999-03-26 18:01:23 +03:00
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-09-02 00:14:48 +04:00
|
|
|
NS_IMETHODIMP
|
2007-11-20 22:06:30 +03:00
|
|
|
nsBaseClipboard::HasDataMatchingFlavors(const char** aFlavorList,
|
|
|
|
PRUint32 aLength,
|
2007-08-07 19:18:36 +04:00
|
|
|
PRInt32 aWhichClipboard,
|
2011-09-29 10:19:26 +04:00
|
|
|
bool* outResult)
|
1999-09-02 00:14:48 +04:00
|
|
|
{
|
2011-10-17 18:59:28 +04:00
|
|
|
*outResult = true; // say we always do.
|
1999-09-02 00:14:48 +04:00
|
|
|
return NS_OK;
|
1999-09-03 14:43:00 +04:00
|
|
|
}
|
2000-04-14 06:52:38 +04:00
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2011-09-29 10:19:26 +04:00
|
|
|
nsBaseClipboard::SupportsSelectionClipboard(bool* _retval)
|
2000-04-14 06:52:38 +04:00
|
|
|
{
|
2011-10-17 18:59:28 +04:00
|
|
|
*_retval = false; // we don't support the selection clipboard by default.
|
2000-04-14 06:52:38 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|