pjs/uriloader/exthandler/beos/nsOSHelperAppService.cpp

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Исходник Обычный вид История

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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/
*
* 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 nsOSHelperAppService.cpp.
*
* The Initial Developer of the Original Code is
* Paul Ashford.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsOSHelperAppService.h"
#include "nsMIMEInfoBeOS.h"
#include "nsISupports.h"
#include "nsString.h"
#include "nsXPIDLString.h"
#include "nsIURL.h"
#include "nsILocalFile.h"
#include "nsIProcess.h"
#include "prenv.h" // for PR_GetEnv()
#include <stdlib.h> // for system()
#include <Message.h>
#include <Mime.h>
#include <String.h>
#include <Path.h>
#include <Entry.h>
#include <Roster.h>
#define LOG(args) PR_LOG(mLog, PR_LOG_DEBUG, args)
#define LOG_ENABLED() PR_LOG_TEST(mLog, PR_LOG_DEBUG)
nsOSHelperAppService::nsOSHelperAppService() : nsExternalHelperAppService()
{
}
nsOSHelperAppService::~nsOSHelperAppService()
{}
nsresult nsOSHelperAppService::OSProtocolHandlerExists(const char * aProtocolScheme, PRBool * aHandlerExists)
{
LOG(("-- nsOSHelperAppService::OSProtocolHandlerExists for '%s'\n",
aProtocolScheme));
// look up the protocol scheme in the MIME database
*aHandlerExists = PR_FALSE;
if (aProtocolScheme && *aProtocolScheme)
{
BString protoStr(aProtocolScheme);
protoStr.Prepend("application/x-vnd.Be.URL.");
BMimeType protocol;
if (protocol.SetTo(protoStr.String()) == B_OK)
{
if (protocol.IsInstalled())
*aHandlerExists = PR_TRUE;
}
if ((!*aHandlerExists) && (!strcmp("mailto", aProtocolScheme)))
{
// mailto link, no x-vnd.Be.URL.mailto entry
if (protocol.SetTo("text/x-email") == B_OK)
{
if (protocol.IsInstalled())
*aHandlerExists = PR_TRUE;
}
}
}
return NS_OK;
}
nsresult nsOSHelperAppService::SetMIMEInfoForType(const char *aMIMEType, nsMIMEInfoBeOS**_retval) {
LOG(("-- nsOSHelperAppService::SetMIMEInfoForType: %s\n",aMIMEType));
nsresult rv = NS_ERROR_FAILURE;
nsMIMEInfoBeOS* mimeInfo = new nsMIMEInfoBeOS(aMIMEType);
if (mimeInfo) {
NS_ADDREF(mimeInfo);
BMimeType mimeType(aMIMEType);
BMessage data;
int32 index = 0;
BString strData;
LOG((" Adding extensions:\n"));
if (mimeType.GetFileExtensions(&data) == B_OK) {
while (data.FindString("extensions",index,&strData) == B_OK) {
// if the file extension includes the '.' then we don't want to include that when we append
// it to the mime info object.
if (strData.ByteAt(0) == '.')
strData.RemoveFirst(".");
mimeInfo->AppendExtension(nsDependentCString(strData.String()));
LOG((" %s\n",strData.String()));
index++;
}
}
char desc[B_MIME_TYPE_LENGTH + 1];
if (mimeType.GetShortDescription(desc) == B_OK) {
mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(desc));
} else {
if (mimeType.GetLongDescription(desc) == B_OK) {
mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(desc));
} else {
mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(aMIMEType));
}
}
LOG((" Description: %s\n",desc));
//set preferred app and app description
char appSig[B_MIME_TYPE_LENGTH + 1];
bool doSave = true;
if (mimeType.GetPreferredApp(appSig) == B_OK) {
LOG((" Got preferred ap\n"));
BMimeType app(appSig);
entry_ref ref;
BEntry entry;
BPath path;
if ((app.GetAppHint(&ref) == B_OK) &&
(entry.SetTo(&ref, false) == B_OK) &&
(entry.GetPath(&path) == B_OK)) {
LOG((" Got our path!\n"));
nsCOMPtr<nsIFile> handlerFile;
rv = GetFileTokenForPath(NS_ConvertUTF8toUTF16(path.Path()).get(), getter_AddRefs(handlerFile));
if (NS_SUCCEEDED(rv)) {
mimeInfo->SetDefaultApplication(handlerFile);
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(path.Leaf()));
LOG((" Preferred App: %s\n",path.Leaf()));
doSave = false;
}
}
}
if (doSave) {
mimeInfo->SetPreferredAction(nsIMIMEInfo::saveToDisk);
LOG((" No Preferred App\n"));
}
*_retval = mimeInfo;
rv = NS_OK;
}
else
rv = NS_ERROR_FAILURE;
return rv;
}
nsresult nsOSHelperAppService::GetMimeInfoFromExtension(const char *aFileExt,
nsMIMEInfoBeOS ** _retval) {
// if the extension is null, return immediately
if (!aFileExt || !*aFileExt)
return NS_ERROR_INVALID_ARG;
LOG(("Here we do an extension lookup for '%s'\n", aFileExt));
BMimeType mimeType;
if (BMimeType::GuessMimeType(aFileExt, &mimeType) == B_OK)
return SetMIMEInfoForType(mimeType.Type(), _retval);
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// Extension not found
return NS_ERROR_FAILURE;
}
nsresult nsOSHelperAppService::GetMimeInfoFromMIMEType(const char *aMIMEType,
nsMIMEInfoBeOS ** _retval) {
// if the mime type is null, return immediately
if (!aMIMEType || !*aMIMEType)
return NS_ERROR_INVALID_ARG;
LOG(("Here we do a mimetype lookup for '%s'\n", aMIMEType));
BMimeType mimeType(aMIMEType);
if (mimeType.IsInstalled())
return SetMIMEInfoForType(aMIMEType, _retval);
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return NS_ERROR_FAILURE;
}
already_AddRefed<nsIMIMEInfo>
nsOSHelperAppService::GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, PRBool* aFound)
{
*aFound = PR_TRUE;
nsMIMEInfoBeOS* mi = nsnull;
const nsCString& flatType = PromiseFlatCString(aMIMEType);
const nsCString& flatExt = PromiseFlatCString(aFileExt);
GetMimeInfoFromMIMEType(flatType.get(), &mi);
if (mi)
return mi;
GetMimeInfoFromExtension(flatExt.get(), &mi);
if (mi && !aMIMEType.IsEmpty())
mi->SetMIMEType(aMIMEType);
if (mi)
return mi;
*aFound = PR_FALSE;
mi = new nsMIMEInfoBeOS(flatType);
if (!mi)
return nsnull;
NS_ADDREF(mi);
if (!aFileExt.IsEmpty())
mi->AppendExtension(aFileExt);
return mi;
}
NS_IMETHODIMP
nsOSHelperAppService::GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
PRBool *found,
nsIHandlerInfo **_retval)
{
NS_ASSERTION(!aScheme.IsEmpty(), "No scheme was specified!");
nsresult rv = OSProtocolHandlerExists(nsPromiseFlatCString(aScheme).get(),
found);
if (NS_FAILED(rv))
return rv;
nsMIMEInfoBeOS *handlerInfo =
new nsMIMEInfoBeOS(aScheme, nsMIMEInfoBase::eProtocolInfo);
NS_ENSURE_TRUE(handlerInfo, NS_ERROR_OUT_OF_MEMORY);
NS_ADDREF(*_retval = handlerInfo);
if (!*found) {
// Code that calls this requires an object regardless if the OS has
// something for us, so we return the empty object.
return rv;
}
nsAutoString desc;
GetApplicationDescription(aScheme, desc);
handlerInfo->SetDefaultDescription(desc);
return rv;
}