gecko-dev/extensions/datetime/nsDateTimeHandler.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is mozilla.org code.
 *
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#include "nspr.h"
#include "nsDateTimeChannel.h"
#include "nsDateTimeHandler.h"
#include "nsIURL.h"
#include "nsCRT.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIProgressEventSink.h"
#include "nsNetCID.h"

static NS_DEFINE_CID(kSimpleURICID,            NS_SIMPLEURI_CID);

////////////////////////////////////////////////////////////////////////////////

nsDateTimeHandler::nsDateTimeHandler() {
}

nsDateTimeHandler::~nsDateTimeHandler() {
}

NS_IMPL_ISUPPORTS2(nsDateTimeHandler,
                   nsIProtocolHandler,
                   nsIProxiedProtocolHandler)

NS_METHOD
nsDateTimeHandler::Create(nsISupports* aOuter, const nsIID& aIID, void* *aResult) {

    nsDateTimeHandler* ph = new nsDateTimeHandler();
    if (ph == nsnull)
        return NS_ERROR_OUT_OF_MEMORY;
    NS_ADDREF(ph);
    nsresult rv = ph->QueryInterface(aIID, aResult);
    NS_RELEASE(ph);
    return rv;
}
    
////////////////////////////////////////////////////////////////////////////////
// nsIProtocolHandler methods:

NS_IMETHODIMP
nsDateTimeHandler::GetScheme(nsACString &result) {
    result = "datetime";
    return NS_OK;
}

NS_IMETHODIMP
nsDateTimeHandler::GetDefaultPort(PRInt32 *result) {
    *result = DATETIME_PORT;
    return NS_OK;
}

NS_IMETHODIMP
nsDateTimeHandler::GetProtocolFlags(PRUint32 *result) {
    *result = URI_NORELATIVE | URI_NOAUTH | ALLOWS_PROXY;
    return NS_OK;
}

NS_IMETHODIMP
nsDateTimeHandler::NewURI(const nsACString &aSpec,
                          const char *aCharset, // ignore charset info
                          nsIURI *aBaseURI,
                          nsIURI **result) {
    nsresult rv;

    nsIURI* url;
    rv = nsComponentManager::CreateInstance(kSimpleURICID, nsnull,
                                            NS_GET_IID(nsIURI),
                                            (void**)&url);
    if (NS_FAILED(rv)) return rv;
    rv = url->SetSpec(aSpec);
    if (NS_FAILED(rv)) {
        NS_RELEASE(url);
        return rv;
    }

    *result = url;
    return rv;
}

NS_IMETHODIMP
nsDateTimeHandler::NewChannel(nsIURI* url, nsIChannel* *result)
{
    return NewProxiedChannel(url, nsnull, result);
}

NS_IMETHODIMP
nsDateTimeHandler::NewProxiedChannel(nsIURI* url, nsIProxyInfo* proxyInfo,
                                     nsIChannel* *result)
{
    nsresult rv;
    
    nsDateTimeChannel *chan = new nsDateTimeChannel();
    if (!chan)
        return NS_ERROR_OUT_OF_MEMORY;
    NS_ADDREF(chan);

    rv = chan->Init(url, proxyInfo);
    if (NS_FAILED(rv)) {
        NS_RELEASE(chan);
        return rv;
    }

    *result = chan;
    return NS_OK;
}


NS_IMETHODIMP 
nsDateTimeHandler::AllowPort(PRInt32 port, const char *scheme, PRBool *_retval)
{
    if (port == DATETIME_PORT)
        *_retval = PR_TRUE;
    else
        *_retval = PR_FALSE;
    return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////