2001-09-28 20:14:13 +00:00
|
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
2004-04-18 14:30:37 +00:00
|
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
2001-02-15 13:22:26 +00:00
|
|
|
*
|
2004-04-18 14:30:37 +00:00
|
|
|
* 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/
|
2001-02-15 13:22:26 +00:00
|
|
|
*
|
2001-09-28 20:14:13 +00:00
|
|
|
* 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.
|
2001-02-15 13:22:26 +00:00
|
|
|
*
|
|
|
|
* The Original Code is mozilla.org code.
|
|
|
|
*
|
2004-04-18 14:30:37 +00:00
|
|
|
* The Initial Developer of the Original Code is
|
2001-09-28 20:14:13 +00:00
|
|
|
* Netscape Communications Corporation.
|
|
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
|
|
* the Initial Developer. All Rights Reserved.
|
2001-02-15 13:22:26 +00:00
|
|
|
*
|
2001-09-28 20:14:13 +00:00
|
|
|
* Contributor(s):
|
2003-04-17 13:16:36 +00:00
|
|
|
* Kathleen Brade <brade@netscape.com>
|
2004-12-07 14:13:54 +00:00
|
|
|
* David Gardiner <david.gardiner@unisa.edu.au>
|
2001-09-28 20:14:13 +00:00
|
|
|
*
|
|
|
|
* Alternatively, the contents of this file may be used under the terms of
|
2004-04-18 14:30:37 +00:00
|
|
|
* either of 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"),
|
2001-09-28 20:14:13 +00:00
|
|
|
* 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
|
2004-04-18 14:30:37 +00:00
|
|
|
* use your version of this file under the terms of the MPL, indicate your
|
2001-09-28 20:14:13 +00:00
|
|
|
* 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
|
2004-04-18 14:30:37 +00:00
|
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
2001-09-28 20:14:13 +00:00
|
|
|
*
|
|
|
|
* ***** END LICENSE BLOCK ***** */
|
2001-02-15 13:22:26 +00:00
|
|
|
|
|
|
|
#include "nsCopySupport.h"
|
|
|
|
#include "nsIDocumentEncoder.h"
|
|
|
|
#include "nsISupports.h"
|
|
|
|
#include "nsIContent.h"
|
|
|
|
#include "nsIComponentManager.h"
|
|
|
|
#include "nsIServiceManager.h"
|
|
|
|
#include "nsIClipboard.h"
|
2001-07-16 02:40:48 +00:00
|
|
|
#include "nsISelection.h"
|
2001-02-15 13:22:26 +00:00
|
|
|
#include "nsWidgetsCID.h"
|
2002-09-03 23:36:13 +00:00
|
|
|
#include "nsXPCOM.h"
|
2001-02-15 13:22:26 +00:00
|
|
|
#include "nsISupportsPrimitives.h"
|
2001-07-25 05:16:32 +00:00
|
|
|
#include "nsIDOMRange.h"
|
Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-21 01:50:15 +00:00
|
|
|
#include "imgIContainer.h"
|
2001-07-25 05:16:32 +00:00
|
|
|
|
2003-04-17 13:16:36 +00:00
|
|
|
#include "nsIDocShell.h"
|
2005-03-11 11:12:15 +00:00
|
|
|
#include "nsIContentViewerEdit.h"
|
2003-04-17 13:16:36 +00:00
|
|
|
#include "nsIClipboardDragDropHooks.h"
|
|
|
|
#include "nsIClipboardDragDropHookList.h"
|
|
|
|
|
2001-03-21 01:16:22 +00:00
|
|
|
#include "nsIDocument.h"
|
2001-07-13 13:38:10 +00:00
|
|
|
#include "nsIDOMNode.h"
|
|
|
|
#include "nsIDOMElement.h"
|
2005-03-11 11:12:15 +00:00
|
|
|
#include "nsIDOMDocument.h"
|
2001-07-13 13:38:10 +00:00
|
|
|
#include "nsIHTMLDocument.h"
|
2006-12-26 17:47:52 +00:00
|
|
|
#include "nsGkAtoms.h"
|
2001-02-15 13:22:26 +00:00
|
|
|
|
2003-04-18 20:20:04 +00:00
|
|
|
// image copy stuff
|
|
|
|
#include "nsIImageLoadingContent.h"
|
|
|
|
#include "nsIInterfaceRequestorUtils.h"
|
2004-07-30 06:04:57 +00:00
|
|
|
#include "nsContentUtils.h"
|
2006-03-14 17:12:41 +00:00
|
|
|
#include "nsContentCID.h"
|
2003-04-18 20:20:04 +00:00
|
|
|
|
2001-02-15 13:22:26 +00:00
|
|
|
static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
|
|
|
|
static NS_DEFINE_CID(kCTransferableCID, NS_TRANSFERABLE_CID);
|
|
|
|
static NS_DEFINE_CID(kHTMLConverterCID, NS_HTMLFORMATCONVERTER_CID);
|
|
|
|
|
|
|
|
// private clipboard data flavors for html copy, used by editor when pasting
|
|
|
|
#define kHTMLContext "text/_moz_htmlcontext"
|
|
|
|
#define kHTMLInfo "text/_moz_htmlinfo"
|
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
// copy string data onto the transferable
|
|
|
|
static nsresult AppendString(nsITransferable *aTransferable,
|
|
|
|
const nsAString& aString,
|
|
|
|
const char* aFlavor);
|
|
|
|
|
|
|
|
// copy HTML node data
|
|
|
|
static nsresult AppendDOMNode(nsITransferable *aTransferable,
|
|
|
|
nsIDOMNode *aDOMNode);
|
2001-02-15 13:22:26 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
// Helper used for HTMLCopy and GetTransferableForSelection since both routines
|
|
|
|
// share common code.
|
|
|
|
static nsresult
|
|
|
|
SelectionCopyHelper(nsISelection *aSel, nsIDocument *aDoc,
|
|
|
|
PRBool doPutOnClipboard, PRInt16 aClipboardID,
|
|
|
|
nsITransferable ** aTransferable)
|
2001-02-15 13:22:26 +00:00
|
|
|
{
|
2009-03-18 02:04:01 +00:00
|
|
|
// Clear the output parameter for the transferable, if provided.
|
|
|
|
if (aTransferable) {
|
|
|
|
*aTransferable = nsnull;
|
|
|
|
}
|
|
|
|
|
2001-02-15 13:22:26 +00:00
|
|
|
nsresult rv = NS_OK;
|
|
|
|
|
2001-07-13 13:38:10 +00:00
|
|
|
PRBool bIsPlainTextContext = PR_FALSE;
|
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
rv = nsCopySupport::IsPlainTextContext(aSel, aDoc, &bIsPlainTextContext);
|
2004-12-07 14:13:54 +00:00
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return rv;
|
2001-07-13 13:38:10 +00:00
|
|
|
|
|
|
|
PRBool bIsHTMLCopy = !bIsPlainTextContext;
|
2001-02-15 13:22:26 +00:00
|
|
|
nsAutoString mimeType;
|
|
|
|
|
2004-12-07 14:13:54 +00:00
|
|
|
nsCOMPtr<nsIDocumentEncoder> docEncoder;
|
|
|
|
|
|
|
|
docEncoder = do_CreateInstance(NS_HTMLCOPY_ENCODER_CONTRACTID);
|
|
|
|
NS_ENSURE_TRUE(docEncoder, NS_ERROR_FAILURE);
|
|
|
|
|
|
|
|
// We always require a plaintext version
|
|
|
|
mimeType.AssignLiteral(kUnicodeMime);
|
|
|
|
PRUint32 flags = nsIDocumentEncoder::OutputPreformatted;
|
2001-07-13 13:38:10 +00:00
|
|
|
|
2006-05-01 05:25:52 +00:00
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(aDoc);
|
|
|
|
NS_ASSERTION(domDoc, "Need a document");
|
|
|
|
|
|
|
|
rv = docEncoder->Init(domDoc, mimeType, flags);
|
2004-12-07 14:13:54 +00:00
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return rv;
|
2009-03-18 02:04:01 +00:00
|
|
|
|
2001-07-13 13:38:10 +00:00
|
|
|
rv = docEncoder->SetSelection(aSel);
|
2004-12-07 14:13:54 +00:00
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return rv;
|
2001-07-13 13:38:10 +00:00
|
|
|
|
2005-09-10 11:39:32 +00:00
|
|
|
nsAutoString buffer, parents, info, textBuffer, plaintextBuffer;
|
2004-12-07 14:13:54 +00:00
|
|
|
|
|
|
|
rv = docEncoder->EncodeToString(textBuffer);
|
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return rv;
|
|
|
|
|
2004-12-09 12:59:29 +00:00
|
|
|
nsCOMPtr<nsIFormatConverter> htmlConverter;
|
2004-12-07 14:13:54 +00:00
|
|
|
|
2004-12-09 12:59:29 +00:00
|
|
|
// sometimes we also need the HTML version
|
|
|
|
if (bIsHTMLCopy) {
|
2004-12-07 14:13:54 +00:00
|
|
|
|
2004-12-09 12:59:29 +00:00
|
|
|
// this string may still contain HTML formatting, so we need to remove that too.
|
|
|
|
htmlConverter = do_CreateInstance(kHTMLConverterCID);
|
|
|
|
NS_ENSURE_TRUE(htmlConverter, NS_ERROR_FAILURE);
|
2004-12-07 14:13:54 +00:00
|
|
|
|
2004-12-09 12:59:29 +00:00
|
|
|
nsCOMPtr<nsISupportsString> plainHTML = do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
|
|
|
|
NS_ENSURE_TRUE(plainHTML, NS_ERROR_FAILURE);
|
|
|
|
plainHTML->SetData(textBuffer);
|
|
|
|
|
|
|
|
nsCOMPtr<nsISupportsString> ConvertedData;
|
|
|
|
PRUint32 ConvertedLen;
|
2005-09-10 11:39:32 +00:00
|
|
|
rv = htmlConverter->Convert(kHTMLMime, plainHTML, textBuffer.Length() * 2, kUnicodeMime, getter_AddRefs(ConvertedData), &ConvertedLen);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2004-12-09 12:59:29 +00:00
|
|
|
|
|
|
|
ConvertedData->GetData(plaintextBuffer);
|
2004-12-07 14:13:54 +00:00
|
|
|
|
|
|
|
mimeType.AssignLiteral(kHTMLMime);
|
|
|
|
|
|
|
|
flags = 0;
|
|
|
|
|
2006-05-01 05:25:52 +00:00
|
|
|
rv = docEncoder->Init(domDoc, mimeType, flags);
|
2005-09-10 11:39:32 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
2004-12-07 14:13:54 +00:00
|
|
|
rv = docEncoder->SetSelection(aSel);
|
2005-09-10 11:39:32 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2004-12-07 14:13:54 +00:00
|
|
|
|
|
|
|
// encode the selection as html with contextual info
|
2006-03-14 17:12:41 +00:00
|
|
|
rv = docEncoder->EncodeToStringWithContext(parents, info, buffer);
|
2005-09-10 11:39:32 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2001-02-15 13:22:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Get the Clipboard
|
2009-03-18 02:04:01 +00:00
|
|
|
nsCOMPtr<nsIClipboard> clipboard;
|
|
|
|
if (doPutOnClipboard) {
|
|
|
|
clipboard = do_GetService(kCClipboardCID, &rv);
|
|
|
|
if (NS_FAILED(rv))
|
|
|
|
return rv;
|
|
|
|
}
|
2001-02-15 13:22:26 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
if ((doPutOnClipboard && clipboard) || aTransferable != nsnull) {
|
2001-02-15 13:22:26 +00:00
|
|
|
// Create a transferable for putting data on the Clipboard
|
|
|
|
nsCOMPtr<nsITransferable> trans = do_CreateInstance(kCTransferableCID);
|
2009-03-18 02:04:01 +00:00
|
|
|
if (trans) {
|
|
|
|
if (bIsHTMLCopy) {
|
2001-02-15 13:22:26 +00:00
|
|
|
// set up the data converter
|
|
|
|
trans->SetConverter(htmlConverter);
|
2004-12-07 14:13:54 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
if (!buffer.IsEmpty()) {
|
2001-04-02 14:11:01 +00:00
|
|
|
// Add the html DataFlavor to the transferable
|
2005-03-11 11:12:15 +00:00
|
|
|
rv = AppendString(trans, buffer, kHTMLMime);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2001-04-02 14:11:01 +00:00
|
|
|
}
|
2009-03-18 02:04:01 +00:00
|
|
|
|
|
|
|
// Add the htmlcontext DataFlavor to the transferable
|
|
|
|
// Even if parents is empty string, this flavor should
|
|
|
|
// be attached to the transferable
|
|
|
|
rv = AppendString(trans, parents, kHTMLContext);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
if (!info.IsEmpty()) {
|
2001-04-02 14:11:01 +00:00
|
|
|
// Add the htmlinfo DataFlavor to the transferable
|
2005-03-11 11:12:15 +00:00
|
|
|
rv = AppendString(trans, info, kHTMLInfo);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2001-04-02 14:11:01 +00:00
|
|
|
}
|
2009-03-18 02:04:01 +00:00
|
|
|
|
|
|
|
if (!plaintextBuffer.IsEmpty()) {
|
2004-12-07 14:13:54 +00:00
|
|
|
// unicode text
|
|
|
|
// Add the unicode DataFlavor to the transferable
|
|
|
|
// If we didn't have this, then nsDataObj::GetData matches text/unicode against
|
|
|
|
// the kURLMime flavour which is not desirable (eg. when pasting into Notepad)
|
2005-03-11 11:12:15 +00:00
|
|
|
rv = AppendString(trans, plaintextBuffer, kUnicodeMime);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2004-12-07 14:13:54 +00:00
|
|
|
}
|
|
|
|
|
2005-09-10 11:39:32 +00:00
|
|
|
// Try and get source URI of the items that are being dragged
|
|
|
|
nsIURI *uri = aDoc->GetDocumentURI();
|
|
|
|
if (uri) {
|
|
|
|
nsCAutoString spec;
|
|
|
|
uri->GetSpec(spec);
|
|
|
|
if (!spec.IsEmpty()) {
|
|
|
|
nsAutoString shortcut;
|
|
|
|
AppendUTF8toUTF16(spec, shortcut);
|
|
|
|
|
2006-04-21 15:16:22 +00:00
|
|
|
// Add the URL DataFlavor to the transferable. Don't use kURLMime, as it will
|
|
|
|
// cause an unnecessary UniformResourceLocator to be added which confuses
|
2006-06-20 20:26:30 +00:00
|
|
|
// some apps eg. Outlook 2000 - (See Bug 315370). Don't use
|
|
|
|
// kURLDataMime, as it will cause a bogus 'url ' flavor to
|
|
|
|
// show up on the Mac clipboard, confusing other apps, like
|
|
|
|
// Terminal (see bug 336012).
|
|
|
|
rv = AppendString(trans, shortcut, kURLPrivateMime);
|
2005-09-10 11:39:32 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
}
|
2009-03-18 02:04:01 +00:00
|
|
|
} else {
|
|
|
|
if (!textBuffer.IsEmpty()) {
|
|
|
|
// Add the unicode DataFlavor to the transferable
|
2005-03-11 11:12:15 +00:00
|
|
|
rv = AppendString(trans, textBuffer, kUnicodeMime);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2001-04-02 14:11:01 +00:00
|
|
|
}
|
2001-02-15 13:22:26 +00:00
|
|
|
}
|
2003-04-17 13:16:36 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
if (doPutOnClipboard && clipboard) {
|
|
|
|
PRBool actuallyPutOnClipboard = PR_TRUE;
|
|
|
|
nsCopySupport::DoHooks(aDoc, trans, &actuallyPutOnClipboard);
|
|
|
|
|
|
|
|
// put the transferable on the clipboard
|
|
|
|
if (actuallyPutOnClipboard)
|
|
|
|
clipboard->SetData(trans, nsnull, aClipboardID);
|
|
|
|
}
|
2003-04-17 13:16:36 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
// Return the transferable to the caller if requested.
|
|
|
|
if (aTransferable != nsnull) {
|
|
|
|
trans.swap(*aTransferable);
|
|
|
|
}
|
2001-02-15 13:22:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return rv;
|
|
|
|
}
|
2001-07-13 13:38:10 +00:00
|
|
|
|
2009-03-18 02:04:01 +00:00
|
|
|
nsresult nsCopySupport::HTMLCopy(nsISelection *aSel, nsIDocument *aDoc, PRInt16 aClipboardID)
|
|
|
|
{
|
|
|
|
return SelectionCopyHelper(aSel, aDoc, PR_TRUE, aClipboardID, nsnull);
|
|
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsCopySupport::GetTransferableForSelection(nsISelection * aSel,
|
|
|
|
nsIDocument * aDoc,
|
|
|
|
nsITransferable ** aTransferable)
|
|
|
|
{
|
|
|
|
return SelectionCopyHelper(aSel, aDoc, PR_FALSE, 0, aTransferable);
|
|
|
|
}
|
|
|
|
|
2003-04-17 13:16:36 +00:00
|
|
|
nsresult nsCopySupport::DoHooks(nsIDocument *aDoc, nsITransferable *aTrans,
|
|
|
|
PRBool *aDoPutOnClipboard)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG(aDoc);
|
|
|
|
|
|
|
|
*aDoPutOnClipboard = PR_TRUE;
|
|
|
|
|
2003-10-22 06:09:48 +00:00
|
|
|
nsCOMPtr<nsISupports> container = aDoc->GetContainer();
|
|
|
|
nsCOMPtr<nsIClipboardDragDropHookList> hookObj = do_GetInterface(container);
|
2003-04-17 13:16:36 +00:00
|
|
|
if (!hookObj) return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> enumerator;
|
|
|
|
hookObj->GetHookEnumerator(getter_AddRefs(enumerator));
|
|
|
|
if (!enumerator) return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
// the logic here should follow the behavior specified in
|
|
|
|
// nsIClipboardDragDropHooks.h
|
|
|
|
|
|
|
|
nsCOMPtr<nsIClipboardDragDropHooks> override;
|
2003-10-22 06:09:48 +00:00
|
|
|
nsCOMPtr<nsISupports> isupp;
|
2003-04-17 13:16:36 +00:00
|
|
|
PRBool hasMoreHooks = PR_FALSE;
|
2003-10-22 06:09:48 +00:00
|
|
|
nsresult rv = NS_OK;
|
2003-04-17 13:16:36 +00:00
|
|
|
while (NS_SUCCEEDED(enumerator->HasMoreElements(&hasMoreHooks))
|
|
|
|
&& hasMoreHooks)
|
|
|
|
{
|
|
|
|
rv = enumerator->GetNext(getter_AddRefs(isupp));
|
|
|
|
if (NS_FAILED(rv)) break;
|
|
|
|
override = do_QueryInterface(isupp);
|
|
|
|
if (override)
|
|
|
|
{
|
2003-09-27 04:18:26 +00:00
|
|
|
#ifdef DEBUG
|
|
|
|
nsresult hookResult =
|
|
|
|
#endif
|
|
|
|
override->OnCopyOrDrag(nsnull, aTrans, aDoPutOnClipboard);
|
2003-04-17 13:16:36 +00:00
|
|
|
NS_ASSERTION(NS_SUCCEEDED(hookResult), "OnCopyOrDrag hook failed");
|
|
|
|
if (!*aDoPutOnClipboard)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
2001-07-13 13:38:10 +00:00
|
|
|
nsresult nsCopySupport::IsPlainTextContext(nsISelection *aSel, nsIDocument *aDoc, PRBool *aIsPlainTextContext)
|
|
|
|
{
|
|
|
|
nsresult rv;
|
|
|
|
|
|
|
|
if (!aSel || !aIsPlainTextContext)
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
|
|
|
|
*aIsPlainTextContext = PR_FALSE;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
|
|
nsCOMPtr<nsIDOMNode> commonParent;
|
|
|
|
PRInt32 count = 0;
|
|
|
|
|
|
|
|
rv = aSel->GetRangeCount(&count);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// if selection is uninitialized return
|
|
|
|
if (!count)
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
// we'll just use the common parent of the first range. Implicit assumption
|
|
|
|
// here that multi-range selections are table cell selections, in which case
|
|
|
|
// the common parent is somewhere in the table and we don't really care where.
|
|
|
|
rv = aSel->GetRangeAt(0, getter_AddRefs(range));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (!range)
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
range->GetCommonAncestorContainer(getter_AddRefs(commonParent));
|
|
|
|
|
2003-07-28 21:25:13 +00:00
|
|
|
for (nsCOMPtr<nsIContent> selContent(do_QueryInterface(commonParent));
|
|
|
|
selContent;
|
|
|
|
selContent = selContent->GetParent())
|
2001-07-13 13:38:10 +00:00
|
|
|
{
|
|
|
|
// checking for selection inside a plaintext form widget
|
2003-11-19 01:20:56 +00:00
|
|
|
|
2009-08-25 00:51:57 +00:00
|
|
|
if (!selContent->IsNodeOfType(nsINode::eHTML)) {
|
2003-11-19 01:20:56 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsIAtom *atom = selContent->Tag();
|
2001-07-13 13:38:10 +00:00
|
|
|
|
2006-12-26 17:47:52 +00:00
|
|
|
if (atom == nsGkAtoms::input ||
|
|
|
|
atom == nsGkAtoms::textarea)
|
2001-07-13 13:38:10 +00:00
|
|
|
{
|
|
|
|
*aIsPlainTextContext = PR_TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2006-12-26 17:47:52 +00:00
|
|
|
if (atom == nsGkAtoms::body)
|
2001-07-13 13:38:10 +00:00
|
|
|
{
|
|
|
|
// check for moz prewrap style on body. If it's there we are
|
|
|
|
// in a plaintext editor. This is pretty cheezy but I haven't
|
|
|
|
// found a good way to tell if we are in a plaintext editor.
|
|
|
|
nsCOMPtr<nsIDOMElement> bodyElem = do_QueryInterface(selContent);
|
|
|
|
nsAutoString wsVal;
|
|
|
|
rv = bodyElem->GetAttribute(NS_LITERAL_STRING("style"), wsVal);
|
2008-02-20 02:07:48 +00:00
|
|
|
if (NS_SUCCEEDED(rv) && (kNotFound != wsVal.Find(NS_LITERAL_STRING("pre-wrap"))))
|
2001-07-13 13:38:10 +00:00
|
|
|
{
|
|
|
|
*aIsPlainTextContext = PR_TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-12-01 22:43:56 +00:00
|
|
|
// also consider ourselves in a text widget if we can't find an html
|
|
|
|
// document. Note that XHTML is not counted as HTML here, because we can't
|
|
|
|
// copy it properly (all the copy code for non-plaintext assumes using HTML
|
|
|
|
// serializers and parsers is OK, and those mess up XHTML).
|
2001-07-13 13:38:10 +00:00
|
|
|
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(aDoc);
|
2009-08-25 17:15:55 +00:00
|
|
|
if (!(htmlDoc && aDoc->IsHTML()))
|
2004-12-01 22:43:56 +00:00
|
|
|
*aIsPlainTextContext = PR_TRUE;
|
2001-07-13 13:38:10 +00:00
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2003-04-18 20:20:04 +00:00
|
|
|
|
|
|
|
nsresult
|
|
|
|
nsCopySupport::GetContents(const nsACString& aMimeType, PRUint32 aFlags, nsISelection *aSel, nsIDocument *aDoc, nsAString& outdata)
|
|
|
|
{
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDocumentEncoder> docEncoder;
|
|
|
|
|
|
|
|
nsCAutoString encoderContractID(NS_DOC_ENCODER_CONTRACTID_BASE);
|
|
|
|
encoderContractID.Append(aMimeType);
|
|
|
|
|
|
|
|
docEncoder = do_CreateInstance(encoderContractID.get());
|
|
|
|
NS_ENSURE_TRUE(docEncoder, NS_ERROR_FAILURE);
|
|
|
|
|
|
|
|
PRUint32 flags = aFlags;
|
|
|
|
|
|
|
|
if (aMimeType.Equals("text/plain"))
|
|
|
|
flags |= nsIDocumentEncoder::OutputPreformatted;
|
|
|
|
|
2006-02-03 14:18:39 +00:00
|
|
|
NS_ConvertASCIItoUTF16 unicodeMimeType(aMimeType);
|
2006-05-01 05:25:52 +00:00
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(aDoc);
|
|
|
|
NS_ASSERTION(domDoc, "Need a document");
|
|
|
|
|
|
|
|
rv = docEncoder->Init(domDoc, unicodeMimeType, flags);
|
2003-04-18 20:20:04 +00:00
|
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
|
|
|
|
if (aSel)
|
|
|
|
{
|
|
|
|
rv = docEncoder->SetSelection(aSel);
|
|
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
// encode the selection
|
|
|
|
return docEncoder->EncodeToString(outdata);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
nsresult
|
2005-01-12 04:11:26 +00:00
|
|
|
nsCopySupport::ImageCopy(nsIImageLoadingContent* aImageElement,
|
2005-03-11 11:12:15 +00:00
|
|
|
PRInt32 aCopyFlags)
|
2003-04-18 20:20:04 +00:00
|
|
|
{
|
|
|
|
nsresult rv;
|
2004-06-05 17:57:00 +00:00
|
|
|
|
2005-01-12 04:11:26 +00:00
|
|
|
// create a transferable for putting data on the Clipboard
|
|
|
|
nsCOMPtr<nsITransferable> trans(do_CreateInstance(kCTransferableCID, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2003-04-18 20:20:04 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
if (aCopyFlags & nsIContentViewerEdit::COPY_IMAGE_TEXT) {
|
|
|
|
// get the location from the element
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
|
|
rv = aImageElement->GetCurrentURI(getter_AddRefs(uri));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
NS_ENSURE_TRUE(uri, NS_ERROR_FAILURE);
|
2003-04-18 20:20:04 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
nsCAutoString location;
|
|
|
|
rv = uri->GetSpec(location);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2003-04-18 20:20:04 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
// append the string to the transferable
|
|
|
|
rv = AppendString(trans, NS_ConvertUTF8toUTF16(location), kUnicodeMime);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
2003-04-18 20:20:04 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
if (aCopyFlags & nsIContentViewerEdit::COPY_IMAGE_HTML) {
|
|
|
|
// append HTML data to the transferable
|
|
|
|
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(aImageElement, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2005-01-12 04:11:26 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
rv = AppendDOMNode(trans, node);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
2005-01-12 04:11:26 +00:00
|
|
|
|
2005-03-11 11:12:15 +00:00
|
|
|
if (aCopyFlags & nsIContentViewerEdit::COPY_IMAGE_DATA) {
|
2005-01-12 04:11:26 +00:00
|
|
|
// get the image data from the element
|
Bug 753 - Remove nsIImage, gfxIImageFrame, and their implementations, and expose an equivalent api on imgIContainer. r=roc,josh,bz,longsonr,vlad,karlt,jimm,bsmedberg,mfinkle,peterw,peterv sr=vlad,roc
--HG--
rename : gfx/src/shared/gfxImageFrame.cpp => modules/libpr0n/src/imgFrame.cpp
rename : gfx/src/shared/gfxImageFrame.h => modules/libpr0n/src/imgFrame.h
2009-07-21 01:50:15 +00:00
|
|
|
nsCOMPtr<imgIContainer> image =
|
2005-02-07 22:20:14 +00:00
|
|
|
nsContentUtils::GetImageFromContent(aImageElement);
|
2005-01-12 04:11:26 +00:00
|
|
|
NS_ENSURE_TRUE(image, NS_ERROR_FAILURE);
|
|
|
|
|
|
|
|
nsCOMPtr<nsISupportsInterfacePointer>
|
|
|
|
imgPtr(do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
rv = imgPtr->SetData(image);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// copy the image data onto the transferable
|
|
|
|
rv = trans->SetTransferData(kNativeImageMime, imgPtr,
|
|
|
|
sizeof(nsISupports*));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
// get clipboard
|
|
|
|
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// check whether the system supports the selection clipboard or not.
|
|
|
|
PRBool selectionSupported;
|
|
|
|
rv = clipboard->SupportsSelectionClipboard(&selectionSupported);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
2003-04-18 20:20:04 +00:00
|
|
|
|
|
|
|
// put the transferable on the clipboard
|
2005-01-12 04:11:26 +00:00
|
|
|
if (selectionSupported) {
|
|
|
|
rv = clipboard->SetData(trans, nsnull, nsIClipboard::kSelectionClipboard);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
return clipboard->SetData(trans, nsnull, nsIClipboard::kGlobalClipboard);
|
2003-04-18 20:20:04 +00:00
|
|
|
}
|
2005-03-11 11:12:15 +00:00
|
|
|
|
|
|
|
static nsresult AppendString(nsITransferable *aTransferable,
|
|
|
|
const nsAString& aString,
|
|
|
|
const char* aFlavor)
|
|
|
|
{
|
|
|
|
nsresult rv;
|
|
|
|
|
|
|
|
nsCOMPtr<nsISupportsString>
|
|
|
|
data(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
rv = data->SetData(aString);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
rv = aTransferable->AddDataFlavor(aFlavor);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
return aTransferable->SetTransferData(aFlavor, data,
|
|
|
|
aString.Length() * sizeof(PRUnichar));
|
|
|
|
}
|
|
|
|
|
|
|
|
static nsresult AppendDOMNode(nsITransferable *aTransferable,
|
|
|
|
nsIDOMNode *aDOMNode)
|
|
|
|
{
|
|
|
|
nsresult rv;
|
|
|
|
|
|
|
|
// selializer
|
|
|
|
nsCOMPtr<nsIDocumentEncoder>
|
|
|
|
docEncoder(do_CreateInstance(NS_HTMLCOPY_ENCODER_CONTRACTID, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// get document for the encoder
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDocument;
|
|
|
|
rv = aDOMNode->GetOwnerDocument(getter_AddRefs(domDocument));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIDocument> document(do_QueryInterface(domDocument, &rv));
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// Note that XHTML is not counted as HTML here, because we can't copy it
|
|
|
|
// properly (all the copy code for non-plaintext assumes using HTML
|
|
|
|
// serializers and parsers is OK, and those mess up XHTML).
|
2006-05-01 05:25:52 +00:00
|
|
|
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDocument, &rv);
|
2005-03-11 11:12:15 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
2006-05-01 05:25:52 +00:00
|
|
|
|
2009-08-25 17:15:55 +00:00
|
|
|
NS_ENSURE_TRUE(document->IsHTML(), NS_OK);
|
2005-03-11 11:12:15 +00:00
|
|
|
|
|
|
|
// init encoder with document and node
|
2006-05-01 05:25:52 +00:00
|
|
|
rv = docEncoder->Init(domDocument, NS_LITERAL_STRING(kHTMLMime),
|
2005-03-11 11:12:15 +00:00
|
|
|
nsIDocumentEncoder::OutputAbsoluteLinks |
|
|
|
|
nsIDocumentEncoder::OutputEncodeW3CEntities);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
rv = docEncoder->SetNode(aDOMNode);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// serialize to string
|
|
|
|
nsAutoString html, context, info;
|
2006-03-14 17:12:41 +00:00
|
|
|
rv = docEncoder->EncodeToStringWithContext(context, info, html);
|
2005-03-11 11:12:15 +00:00
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
// copy them to the transferable
|
|
|
|
if (!html.IsEmpty()) {
|
|
|
|
rv = AppendString(aTransferable, html, kHTMLMime);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!info.IsEmpty()) {
|
|
|
|
rv = AppendString(aTransferable, info, kHTMLInfo);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
}
|
|
|
|
|
|
|
|
// add a special flavor, even if we don't have html context data
|
|
|
|
return AppendString(aTransferable, context, kHTMLContext);
|
|
|
|
}
|
2007-07-26 04:14:33 +00:00
|
|
|
|
|
|
|
// Find the target that onbefore[copy,cut,paste] and on[copy,cut,paste]
|
|
|
|
// events will fire on -- the start node of the copy selection.
|
|
|
|
nsresult nsCopySupport::GetClipboardEventTarget(nsISelection *aSel,
|
|
|
|
nsIDOMNode **aEventTarget)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG(aSel);
|
|
|
|
NS_ENSURE_ARG_POINTER(aEventTarget);
|
|
|
|
*aEventTarget = nsnull;
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
|
|
nsresult rv = aSel->GetRangeAt(0, getter_AddRefs(range));
|
|
|
|
if (rv == NS_ERROR_INVALID_ARG) // empty selection
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
if (!range)
|
|
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
|
|
|
rv = range->GetStartContainer(aEventTarget);
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
|
|
|
|
return (*aEventTarget) ? NS_OK : NS_ERROR_FAILURE;
|
|
|
|
}
|