355 lines
12 KiB
C++
355 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
* Takashi Toyoshima <toyoshim@be-in.org>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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"),
|
|
* 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
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* 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
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsClipboard.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsITransferable.h"
|
|
#include "nsWidgetsCID.h"
|
|
#include "nsXPIDLString.h"
|
|
#include "nsPrimitiveHelpers.h"
|
|
#include "nsXPCOM.h"
|
|
#include "nsISupportsPrimitives.h"
|
|
#include "nsString.h"
|
|
|
|
#include <View.h>
|
|
#include <Clipboard.h>
|
|
#include <Message.h>
|
|
|
|
// The class statics:
|
|
BView *nsClipboard::sView = 0;
|
|
|
|
#if defined(DEBUG_akkana) || defined(DEBUG_mcafee) || defined(DEBUG_toyoshim)
|
|
# define DEBUG_CLIPBOARD
|
|
#endif
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// nsClipboard constructor
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsClipboard::nsClipboard() : nsBaseClipboard()
|
|
{
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::nsClipboard()\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
|
|
//NS_INIT_ISUPPORTS();
|
|
mIgnoreEmptyNotification = PR_FALSE;
|
|
mClipboardOwner = nsnull;
|
|
mTransferable = nsnull;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// nsClipboard destructor
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsClipboard::~nsClipboard()
|
|
{
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::~nsClipboard()\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
}
|
|
|
|
void nsClipboard::SetTopLevelView(BView *v)
|
|
{
|
|
// Don't set up any more event handlers if we're being called twice
|
|
// for the same toplevel widget
|
|
if (sView == v)
|
|
return;
|
|
|
|
if (sView != 0 && sView->Window() != 0)
|
|
return;
|
|
|
|
if(v == 0 || v->Window() == 0)
|
|
{
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::SetTopLevelView: widget passed in is null or has no window!\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
return;
|
|
}
|
|
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::SetTopLevelView\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
}
|
|
|
|
//
|
|
// The copy routine
|
|
//
|
|
NS_IMETHODIMP nsClipboard::SetNativeClipboardData(PRInt32 aWhichClipboard)
|
|
{
|
|
mIgnoreEmptyNotification = PR_TRUE;
|
|
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::SetNativeClipboardData()\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
|
|
// make sure we have a good transferable
|
|
if (nsnull == mTransferable) {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" SetNativeClipboardData: no transferable!\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// lock the native clipboard
|
|
if (!be_clipboard->Lock())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// clear the native clipboard
|
|
nsresult rv = NS_OK;
|
|
if (B_OK == be_clipboard->Clear()) {
|
|
// set data to the native clipboard
|
|
if (BMessage *msg = be_clipboard->Data()) {
|
|
// Get the transferable list of data flavors
|
|
nsCOMPtr<nsISupportsArray> dfList;
|
|
mTransferable->FlavorsTransferableCanExport(getter_AddRefs(dfList));
|
|
|
|
// Walk through flavors that contain data and register them
|
|
// into the BMessage as supported flavors
|
|
PRUint32 i;
|
|
PRUint32 cnt;
|
|
dfList->Count(&cnt);
|
|
for (i = 0; i < cnt && rv == NS_OK; i++) {
|
|
nsCOMPtr<nsISupports> genericFlavor;
|
|
dfList->GetElementAt(i, getter_AddRefs(genericFlavor));
|
|
nsCOMPtr<nsISupportsCString> currentFlavor (do_QueryInterface(genericFlavor));
|
|
if (currentFlavor) {
|
|
nsXPIDLCString flavorStr;
|
|
currentFlavor->ToString(getter_Copies(flavorStr));
|
|
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: %d/%d = %s\n", i, cnt, (const char *)flavorStr);
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
if (0 == strncmp(flavorStr, "text/", 5)) {
|
|
// [NS] text/ * => [Be] text/ *
|
|
void *data = nsnull;
|
|
PRUint32 dataSize = 0;
|
|
nsCOMPtr<nsISupports> genericDataWrapper;
|
|
rv = mTransferable->GetTransferData(flavorStr, getter_AddRefs(genericDataWrapper), &dataSize);
|
|
nsPrimitiveHelpers::CreateDataFromPrimitive(flavorStr, genericDataWrapper, &data, dataSize);
|
|
#ifdef DEBUG_CLIPBOARD
|
|
if (NS_FAILED(rv))
|
|
printf("nsClipboard: Error getting data from transferable\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
if (dataSize && data != nsnull) {
|
|
NS_ConvertUCS2toUTF8 cv((const PRUnichar *)data, (PRUint32)dataSize / 2);
|
|
const char *utf8Str = cv.get();
|
|
uint32 utf8Len = strlen(utf8Str);
|
|
#ifdef DEBUG_CLIPBOARD
|
|
if (0 == strcmp(flavorStr, kUnicodeMime))
|
|
printf(" => [%s]%s\n", kTextMime, utf8Str);
|
|
else
|
|
printf(" => [%s]%s\n", (const char *)flavorStr, utf8Str);
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
status_t rc;
|
|
if (0 == strcmp(flavorStr, kUnicodeMime)) {
|
|
// [NS] text/unicode => [Be] text/plain
|
|
rc = msg->AddData(kTextMime, B_MIME_TYPE, (void *)utf8Str, utf8Len);
|
|
} else {
|
|
// [NS] text/ * => [Be] text/ *
|
|
rc = msg->AddData((const char *)flavorStr, B_MIME_TYPE, (void *)utf8Str, utf8Len);
|
|
}
|
|
if (rc != B_OK)
|
|
rv = NS_ERROR_FAILURE;
|
|
} else {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: Error null data from transferable\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
// not fatal. force to continue...
|
|
rv = NS_OK;
|
|
}
|
|
} else {
|
|
// [NS] * / * => [Be] * / *
|
|
void *data = nsnull;
|
|
PRUint32 dataSize = 0;
|
|
nsCOMPtr<nsISupports> genericDataWrapper;
|
|
rv = mTransferable->GetTransferData(flavorStr, getter_AddRefs(genericDataWrapper), &dataSize);
|
|
nsPrimitiveHelpers::CreateDataFromPrimitive(flavorStr, genericDataWrapper, &data, dataSize);
|
|
#ifdef DEBUG_CLIPBOARD
|
|
if (NS_FAILED(rv))
|
|
printf("nsClipboard: Error getting data from transferable\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
if (dataSize && data != nsnull) {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("[%s](binary)\n", (const char *)flavorStr);
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
if (B_OK != msg->AddData((const char *)flavorStr, B_MIME_TYPE, data, dataSize))
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
} else {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: Error getting flavor\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
} /* for */
|
|
} else {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
} else {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
if (B_OK != be_clipboard->Commit())
|
|
rv = NS_ERROR_FAILURE;
|
|
be_clipboard->Unlock();
|
|
|
|
mIgnoreEmptyNotification = PR_FALSE;
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
//
|
|
// The blocking Paste routine
|
|
//
|
|
NS_IMETHODIMP
|
|
nsClipboard::GetNativeClipboardData(nsITransferable * aTransferable, PRInt32 aWhichClipboard )
|
|
{
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::GetNativeClipboardData()\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
|
|
// make sure we have a good transferable
|
|
if (nsnull == aTransferable) {
|
|
printf(" GetNativeClipboardData: Transferable is null!\n");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// get flavor list
|
|
nsresult rv;
|
|
nsCOMPtr<nsISupportsArray> flavorList;
|
|
rv = aTransferable->FlavorsTransferableCanImport(getter_AddRefs(flavorList));
|
|
if (NS_FAILED(rv))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// get native clipboard data
|
|
if (!be_clipboard->Lock())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
BMessage *msg = be_clipboard->Data();
|
|
if (!msg)
|
|
return NS_ERROR_FAILURE;
|
|
#ifdef DEBUG_CLIPBOARD
|
|
msg->PrintToStream();
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
|
|
PRUint32 cnt;
|
|
flavorList->Count(&cnt);
|
|
for (PRUint32 i = 0; i < cnt; i++) {
|
|
nsCOMPtr<nsISupports> genericFlavor;
|
|
flavorList->GetElementAt(i, getter_AddRefs(genericFlavor));
|
|
nsCOMPtr<nsISupportsCString> currentFlavor(do_QueryInterface(genericFlavor));
|
|
if (currentFlavor) {
|
|
nsXPIDLCString flavorStr;
|
|
currentFlavor->ToString(getter_Copies(flavorStr));
|
|
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: %d/%d = %s\n", i, cnt, (const char *)flavorStr);
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
const void *data;
|
|
ssize_t size;
|
|
if (0 == strncmp(flavorStr, "text/", 5)) {
|
|
// [Be] text/ * => [NS] text/ *
|
|
status_t rc;
|
|
if (0 == strcmp(flavorStr, kUnicodeMime))
|
|
rc = msg->FindData(kTextMime, B_MIME_TYPE, &data, &size);
|
|
else
|
|
rc = msg->FindData(flavorStr, B_MIME_TYPE, &data, &size);
|
|
if (rc != B_OK || !data || !size) {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: not found in BMessage\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
} else {
|
|
nsString ucs2Str = NS_ConvertUTF8toUCS2((const char *)data, (PRUint32)size);
|
|
nsCOMPtr<nsISupports> genericDataWrapper;
|
|
nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, (void *)ucs2Str.get(), ucs2Str.Length() * 2, getter_AddRefs(genericDataWrapper));
|
|
rv = aTransferable->SetTransferData(flavorStr, genericDataWrapper, ucs2Str.Length() * 2);
|
|
}
|
|
} else {
|
|
// [Be] * / * => [NS] * / *
|
|
if (B_OK != msg->FindData(flavorStr, B_MIME_TYPE, &data, &size)) {
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: not found in BMessage\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
} else {
|
|
nsCOMPtr<nsISupports> genericDataWrapper;
|
|
nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, (void *)data, (PRUint32)size, getter_AddRefs(genericDataWrapper));
|
|
rv = aTransferable->SetTransferData(flavorStr, genericDataWrapper, size);
|
|
}
|
|
}
|
|
#ifdef DEBUG_CLIPBOARD
|
|
if (NS_FAILED(rv))
|
|
printf("nsClipboard: Error SetTransferData\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
} else {
|
|
rv = NS_ERROR_FAILURE;
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf("nsClipboard: Error gerring flavor");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
}
|
|
if (rv != NS_OK)
|
|
break;
|
|
} /* for */
|
|
|
|
be_clipboard->Unlock();
|
|
|
|
return rv;
|
|
}
|
|
|
|
//
|
|
// No-op.
|
|
//
|
|
NS_IMETHODIMP nsClipboard::ForceDataToClipboard()
|
|
{
|
|
#ifdef DEBUG_CLIPBOARD
|
|
printf(" nsClipboard::ForceDataToClipboard()\n");
|
|
#endif /* DEBUG_CLIPBOARD */
|
|
|
|
// make sure we have a good transferable
|
|
if (nsnull == mTransferable) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|