NS_INTERFACE_MAP_END
//*****************************************************************************
// nsSHistory: nsISHistory
//*****************************************************************************
// static
PRUint32
nsSHistory::CalcMaxTotalViewers()
{
// Calculate an estimate of how many ContentViewers we should cache based
// on RAM. This assumes that the average ContentViewer is 4MB (conservative)
// and caps the max at 8 ContentViewers
//
// TODO: Should we split the cache memory betw. ContentViewer caching and
// nsCacheService?
//
// RAM ContentViewers
// -----------------------
// 32 Mb 0
// 64 Mb 1
// 128 Mb 2
// 256 Mb 3
// 512 Mb 5
// 1024 Mb 8
// 2048 Mb 8
// 4096 Mb 8
PRUint64 bytes = PR_GetPhysicalMemorySize();
if (LL_IS_ZERO(bytes))
return 0;
// Conversion from unsigned int64 to double doesn't work on all platforms.
// We need to truncate the value at LL_MAXINT to make sure we don't
// overflow.
if (LL_CMP(bytes, >, LL_MAXINT))
bytes = LL_MAXINT;
PRUint64 kbytes;
LL_SHR(kbytes, bytes, 10);
double kBytesD;
LL_L2D(kBytesD, (PRInt64) kbytes);
// This is essentially the same calculation as for nsCacheService,
// except that we divide the final memory calculation by 4, since
// we assume each ContentViewer takes on average 4MB
PRUint32 viewers = 0;
double x = log(kBytesD)/log(2.0) - 14;
if (x > 0) {
viewers = (PRUint32)(x * x - x + 2.001); // add .001 for rounding
viewers /= 4;
}
// Cap it off at 8 max
if (viewers > 8) {
viewers = 8;
}
return viewers;
}
/* PRBool getProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in JSVal id, in JSValPtr vp); */
NS_IMETHODIMP
calDateTime::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
JSObject * obj_, jsval id, jsval * vp, PRBool *_retval)
{
NS_ENSURE_ARG_POINTER(vp);
NS_ENSURE_ARG_POINTER(_retval);
if (JSVAL_IS_STRING(id)) {
nsDependentString const jsid(
reinterpret_cast<PRUnichar const*>(
JS_GetStringChars(JSVAL_TO_STRING(id))),
JS_GetStringLength(JSVAL_TO_STRING(id)));
if (jsid.EqualsLiteral("jsDate")) {
PRTime tmp, thousand;
jsdouble msec;
LL_I2L(thousand, 1000);
LL_DIV(tmp, mNativeTime, thousand);
LL_L2D(msec, tmp);
JSObject *obj;
PRBool b;
if (NS_SUCCEEDED(mTimezone->GetIsFloating(&b)) && b)
obj = js_NewDateObject(cx, mYear, mMonth, mDay, mHour, mMinute, mSecond);
else
obj = js_NewDateObjectMsec(cx, msec);
*vp = OBJECT_TO_JSVAL(obj);
*_retval = PR_TRUE;
return NS_SUCCESS_I_DID_SOMETHING;
}
}
*_retval = PR_TRUE;
return NS_OK;
}
void NS_MakeRandomString(char *aBuf, PRInt32 aBufLen)
{
// turn PR_Now() into milliseconds since epoch
// and salt rand with that.
double fpTime;
LL_L2D(fpTime, PR_Now());
srand((uint)(fpTime * 1e-6 + 0.5)); // use 1e-6, granularity of PR_Now() on the mac is seconds
PRInt32 i;
for (i=0;i<aBufLen;i++) {
*aBuf++ = table[rand()%TABLE_SIZE];
}
*aBuf = 0;
}
//
// Native method FileGetDiskSpaceAvailable
//
JSBool PR_CALLBACK
InstallFileOpFileGetDiskSpaceAvailable(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
nsInstall *nativeThis =
GetNativeThis(cx, obj, argv);
if (!nativeThis)
return JS_FALSE;
PRInt64 nativeRet;
JSObject *jsObj;
nsInstallFolder *folder;
*rval = INT_TO_JSVAL(nsInstall::UNEXPECTED_ERROR);
// public int FileGetDiskSpaceAvailable (String NativeFolderPath);
if (argc == 0 || argv[0] == JSVAL_NULL || !JSVAL_IS_OBJECT(argv[0])) //argv[0] MUST be a jsval
{
*rval = INT_TO_JSVAL(nsInstall::INVALID_ARGUMENTS);
return JS_TRUE;
}
jsObj = JSVAL_TO_OBJECT(argv[0]);
if (!JS_InstanceOf(cx, jsObj, &FileSpecObjectClass, nsnull))
{
*rval = INT_TO_JSVAL(nsInstall::INVALID_ARGUMENTS);
return JS_TRUE;
}
folder = (nsInstallFolder*)JS_GetPrivate(cx, jsObj);
if(!folder || NS_OK != nativeThis->FileOpFileGetDiskSpaceAvailable(*folder, &nativeRet))
{
return JS_TRUE;
}
double d;
LL_L2D(d, nativeRet);
JS_NewDoubleValue( cx, d, rval );
return JS_TRUE;
}
/* bool getProperty (in nsIXPConnectWrappedNative wrapper, in JSContextPtr cx, in JSObjectPtr obj, in jsid id, in JSValPtr vp); */
NS_IMETHODIMP
calDateTime::GetProperty(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
JSObject * obj_, jsid id, jsval * vp, bool *_retval)
{
NS_ENSURE_ARG_POINTER(vp);
NS_ENSURE_ARG_POINTER(_retval);
if (JSID_IS_STRING(id)) {
size_t length;
JSString *idString = JSID_TO_STRING(id);
const jschar *str = JS_GetStringCharsAndLength(cx, idString, &length);
nsDependentString const val(reinterpret_cast<PRUnichar const*>(str), length);
if (val.EqualsLiteral("jsDate")) {
PRTime tmp, thousand;
jsdouble msec;
LL_I2L(thousand, 1000);
LL_DIV(tmp, mNativeTime, thousand);
LL_L2D(msec, tmp);
ensureTimezone();
JSObject *obj;
bool b;
if (NS_SUCCEEDED(mTimezone->GetIsFloating(&b)) && b) {
obj = js_NewDateObject(cx, mYear, mMonth, mDay, mHour, mMinute, mSecond);
} else {
obj = js_NewDateObjectMsec(cx, msec);
}
*vp = OBJECT_TO_JSVAL(obj);
*_retval = PR_TRUE;
return NS_SUCCESS_I_DID_SOMETHING;
}
}
*_retval = PR_TRUE;
return NS_OK;
}
nsresult nsPluginStreamListenerPeer::SetUpStreamListener(nsIRequest *request,
nsIURI* aURL)
{
nsresult rv = NS_OK;
// If we don't yet have a stream listener, we need to get
// one from the plugin.
// NOTE: this should only happen when a stream was NOT created
// with GetURL or PostURL (i.e. it's the initial stream we
// send to the plugin as determined by the SRC or DATA attribute)
if (!mPStreamListener) {
if (!mPluginInstance) {
return NS_ERROR_FAILURE;
}
nsRefPtr<nsNPAPIPluginStreamListener> streamListener;
rv = mPluginInstance->NewStreamListener(nsnull, nsnull,
getter_AddRefs(streamListener));
if (NS_FAILED(rv) || !streamListener) {
return NS_ERROR_FAILURE;
}
mPStreamListener = static_cast<nsNPAPIPluginStreamListener*>(streamListener.get());
}
mPStreamListener->SetStreamListenerPeer(this);
bool useLocalCache = false;
// get httpChannel to retrieve some info we need for nsIPluginStreamInfo setup
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(channel);
/*
* Assumption
* By the time nsPluginStreamListenerPeer::OnDataAvailable() gets
* called, all the headers have been read.
*/
if (httpChannel) {
// Reassemble the HTTP response status line and provide it to our
// listener. Would be nice if we could get the raw status line,
// but nsIHttpChannel doesn't currently provide that.
// Status code: required; the status line isn't useful without it.
PRUint32 statusNum;
if (NS_SUCCEEDED(httpChannel->GetResponseStatus(&statusNum)) &&
statusNum < 1000) {
// HTTP version: provide if available. Defaults to empty string.
nsCString ver;
nsCOMPtr<nsIHttpChannelInternal> httpChannelInternal =
do_QueryInterface(channel);
if (httpChannelInternal) {
PRUint32 major, minor;
if (NS_SUCCEEDED(httpChannelInternal->GetResponseVersion(&major,
&minor))) {
ver = nsPrintfCString("/%lu.%lu", major, minor);
}
}
// Status text: provide if available. Defaults to "OK".
nsCString statusText;
if (NS_FAILED(httpChannel->GetResponseStatusText(statusText))) {
statusText = "OK";
}
// Assemble everything and pass to listener.
nsPrintfCString status("HTTP%s %lu %s", ver.get(), statusNum,
statusText.get());
static_cast<nsIHTTPHeaderListener*>(mPStreamListener)->StatusLine(status.get());
}
// Also provide all HTTP response headers to our listener.
httpChannel->VisitResponseHeaders(this);
mSeekable = false;
// first we look for a content-encoding header. If we find one, we tell the
// plugin that stream is not seekable, because the plugin always sees
// uncompressed data, so it can't make meaningful range requests on a
// compressed entity. Also, we force the plugin to use
// nsPluginStreamType_AsFile stream type and we have to save decompressed
// file into local plugin cache, because necko cache contains original
// compressed file.
nsCAutoString contentEncoding;
if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("Content-Encoding"),
contentEncoding))) {
useLocalCache = true;
} else {
// set seekability (seekable if the stream has a known length and if the
// http server accepts byte ranges).
PRUint32 length;
GetLength(&length);
if (length) {
nsCAutoString range;
if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("accept-ranges"), range)) &&
range.Equals(NS_LITERAL_CSTRING("bytes"), nsCaseInsensitiveCStringComparator())) {
mSeekable = true;
}
}
}
// we require a content len
// get Last-Modified header for plugin info
nsCAutoString lastModified;
if (NS_SUCCEEDED(httpChannel->GetResponseHeader(NS_LITERAL_CSTRING("last-modified"), lastModified)) &&
!lastModified.IsEmpty()) {
PRTime time64;
PR_ParseTimeString(lastModified.get(), true, &time64); //convert string time to integer time
// Convert PRTime to unix-style time_t, i.e. seconds since the epoch
double fpTime;
LL_L2D(fpTime, time64);
mModified = (PRUint32)(fpTime * 1e-6 + 0.5);
}
}
rv = mPStreamListener->OnStartBinding(this);
mStartBinding = true;
if (NS_FAILED(rv))
return rv;
mPStreamListener->GetStreamType(&mStreamType);
if (!useLocalCache && mStreamType >= NP_ASFILE) {
// check it out if this is not a file channel.
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(request);
if (!fileChannel) {
// and browser cache is not available
nsCOMPtr<nsICachingChannel> cacheChannel = do_QueryInterface(request);
if (!(cacheChannel && (NS_SUCCEEDED(cacheChannel->SetCacheAsFile(true))))) {
useLocalCache = true;
}
}
}
if (useLocalCache) {
SetupPluginCacheFile(channel);
}
return NS_OK;
}
