308 lines
9.3 KiB
C++
308 lines
9.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsClipboard.h"
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#include "nsCOMPtr.h"
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#include "nsFileSpec.h"
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#include "nsISupportsArray.h"
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#include "nsIClipboardOwner.h"
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#include "nsITransferable.h" // kTextMime
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#include "nsISupportsPrimitives.h"
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#include "nsIWidget.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsWidgetsCID.h"
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#include "nsXPIDLString.h"
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#include "nsPrimitiveHelpers.h"
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#include "nsVoidArray.h"
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#include "nsPhWidgetLog.h"
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// Initialize the class statics:
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//-------------------------------------------------------------------------
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//
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// nsClipboard constructor
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//
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//-------------------------------------------------------------------------
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nsClipboard::nsClipboard() : nsBaseClipboard()
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{
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}
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//-------------------------------------------------------------------------
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// nsClipboard destructor
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//-------------------------------------------------------------------------
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nsClipboard::~nsClipboard()
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{
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}
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//-------------------------------------------------------------------------
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NS_IMETHODIMP nsClipboard::ForceDataToClipboard(PRInt32 aWhichClipboard)
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{
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// make sure we have a good transferable
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if (nsnull == mTransferable) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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//-------------------------------------------------------------------------
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NS_IMETHODIMP nsClipboard::SetNativeClipboardData(PRInt32 aWhichClipboard)
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{
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nsresult res = NS_ERROR_FAILURE;
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// make sure we have a good transferable
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if( nsnull == mTransferable ) return NS_ERROR_FAILURE;
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// get flavor list that includes all flavors that can be written (including ones
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// obtained through conversion)
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nsCOMPtr<nsISupportsArray> flavorList;
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nsresult errCode = mTransferable->FlavorsTransferableCanExport ( getter_AddRefs(flavorList) );
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if ( NS_FAILED(errCode) ) return NS_ERROR_FAILURE;
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PRUint32 cnt;
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flavorList->Count(&cnt);
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if (cnt) {
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PhClipHeader *cliphdr = (PhClipHeader *) calloc( cnt, sizeof( PhClipHeader ));
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if( cliphdr ) {
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PRUint32 i=0, index=0;
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void *data = nsnull;
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PRUint32 dataLen;
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mIgnoreEmptyNotification = PR_TRUE;
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for ( PRUint32 i=0; i<cnt; ++i ) {
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nsCOMPtr<nsISupports> genericFlavor;
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flavorList->GetElementAt ( i, getter_AddRefs(genericFlavor) );
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nsCOMPtr<nsISupportsString> currentFlavor ( do_QueryInterface(genericFlavor) );
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if ( currentFlavor )
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{
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nsXPIDLCString flavorStr;
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currentFlavor->ToString(getter_Copies(flavorStr));
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nsresult err = GetFormat( flavorStr, &cliphdr[index] );
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if( err != NS_OK ) continue;
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// Get data out of transferable.
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nsCOMPtr<nsISupports> genericDataWrapper;
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mTransferable->GetTransferData( flavorStr, getter_AddRefs(genericDataWrapper), &dataLen );
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nsPrimitiveHelpers::CreateDataFromPrimitive ( flavorStr, genericDataWrapper, &data, dataLen );
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int len = 0;
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char *plain;
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nsPrimitiveHelpers::ConvertUnicodeToPlatformPlainText( (PRUnichar*)data, dataLen/2, &plain, &len );
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cliphdr[index].length = len+1;
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cliphdr[index].data = plain;
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index++;
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}
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}
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PhClipboardCopy( 1, index, cliphdr );
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for(i=0; i<index; i++)
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nsCRT::free ( NS_REINTERPRET_CAST(char*, cliphdr[i].data) );
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res = NS_OK;
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mIgnoreEmptyNotification = PR_FALSE;
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free( cliphdr );
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}
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}
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return res;
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}
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//-------------------------------------------------------------------------
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NS_IMETHODIMP
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nsClipboard::GetNativeClipboardData( nsITransferable * aTransferable, PRInt32 aWhichClipboard ) {
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nsresult res = NS_ERROR_FAILURE;
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// make sure we have a good transferable
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if( nsnull == aTransferable ) return NS_ERROR_FAILURE;
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// get flavor list that includes all acceptable flavors (including ones obtained through
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// conversion)
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nsCOMPtr<nsISupportsArray> flavorList;
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nsresult errCode = aTransferable->FlavorsTransferableCanImport ( getter_AddRefs(flavorList) );
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if ( NS_FAILED(errCode) ) return NS_ERROR_FAILURE;
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// Walk through flavors and see which flavor matches the one being pasted:
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PRUint32 cnt;
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flavorList->Count(&cnt);
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nsCAutoString foundFlavor;
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if (cnt > 0) {
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void *clipPtr;
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PhClipHeader cliptype;
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PhClipHeader *cliphdr;
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void *data = nsnull;
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PRUint32 dataLen;
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clipPtr = PhClipboardPasteStart( 1 );
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if(!clipPtr)
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return NS_ERROR_FAILURE;
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for ( PRUint32 i = 0; i < cnt; ++i ) {
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nsCOMPtr<nsISupports> genericFlavor;
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flavorList->GetElementAt ( i, getter_AddRefs(genericFlavor) );
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nsCOMPtr<nsISupportsString> currentFlavor ( do_QueryInterface(genericFlavor) );
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if ( currentFlavor ) {
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nsXPIDLCString flavorStr;
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currentFlavor->ToString ( getter_Copies(flavorStr) );
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nsresult err = GetFormat( flavorStr, &cliptype);
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if (err != NS_OK) continue;
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cliphdr = PhClipboardPasteType( clipPtr, cliptype.type );
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if (cliphdr) {
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data = cliphdr->data;
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dataLen = cliphdr->length;
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int len_unicode;
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PRUnichar *unicode;
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nsPrimitiveHelpers::ConvertPlatformPlainTextToUnicode( (char*) data, dataLen, &unicode, &len_unicode );
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len_unicode--;
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len_unicode *= 2;
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#if 0
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/* Kirk - 2/25/99 Disable this for unicode text */
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/* If this is a TEXT, and is NULL teminated then strip it off */
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if ( (strcmp(cliptype.type, Ph_CLIPBOARD_TYPE_TEXT) == 0)
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&& (*(dataStr+(dataLen-1)) == NULL)
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)
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{
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dataLen--;
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}
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#endif
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nsCOMPtr<nsISupports> genericDataWrapper;
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nsPrimitiveHelpers::CreatePrimitiveForData ( flavorStr, unicode, len_unicode, getter_AddRefs(genericDataWrapper) );
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aTransferable->SetTransferData(flavorStr, genericDataWrapper, len_unicode );
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res = NS_OK;
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break;
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}
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}
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}
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PhClipboardPasteFinish( clipPtr );
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}
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return res;
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}
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NS_IMETHODIMP
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nsClipboard::HasDataMatchingFlavors(nsISupportsArray* aFlavorList,
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PRInt32 aWhichClipboard,
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PRBool * outResult) {
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nsresult res = NS_OK;
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* outResult = PR_FALSE;
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// Walk through flavors and see which flavor matches the one being pasted:
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PRUint32 cnt;
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aFlavorList->Count(&cnt);
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nsCAutoString foundFlavor;
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if (cnt > 0) {
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void *clipPtr;
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PhClipHeader cliptype;
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PhClipHeader *cliphdr;
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clipPtr = PhClipboardPasteStart( 1 );
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if(nsnull == clipPtr)
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return res;
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for ( PRUint32 i = 0; i < cnt; ++i ) {
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nsCOMPtr<nsISupports> genericFlavor;
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aFlavorList->GetElementAt ( i, getter_AddRefs(genericFlavor) );
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nsCOMPtr<nsISupportsString> currentFlavor ( do_QueryInterface(genericFlavor) );
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if ( currentFlavor ) {
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nsXPIDLCString flavorStr;
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currentFlavor->ToString ( getter_Copies(flavorStr) );
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nsresult err = GetFormat( flavorStr, &cliptype);
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if (err != NS_OK) continue;
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cliphdr = PhClipboardPasteType( clipPtr, cliptype.type );
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if (cliphdr)
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{
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res = NS_OK;
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*outResult = PR_TRUE;
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break;
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}
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}
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}
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PhClipboardPasteFinish( clipPtr );
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}
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return res;
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}
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//=========================================================================
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//-------------------------------------------------------------------------
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nsresult nsClipboard::GetFormat(const char* aMimeStr, PhClipHeader *cliphdr ) {
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nsCAutoString mimeStr ( CBufDescriptor(NS_CONST_CAST(char*,aMimeStr), PR_TRUE, PL_strlen(aMimeStr)+1) );
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cliphdr->type[0]=0;
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if (mimeStr.Equals(kUnicodeMime))
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strcpy( cliphdr->type, Ph_CLIPBOARD_TYPE_TEXT );
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if (cliphdr->type[0] == 0)
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return NS_ERROR_FAILURE;
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else
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return NS_OK;
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}
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