sugar-toolkit-gtk3/lib/src/GeckoDownload.cpp

#include <nsIFactory.h>

#include "sugar-download-manager.h"

#include "GeckoDownload.h"

class GeckoDownload : public nsITransfer
{
public:
    GeckoDownload();
	virtual ~GeckoDownload();

	NS_DECL_ISUPPORTS
	NS_DECL_NSIWEBPROGRESSLISTENER
	NS_DECL_NSIWEBPROGRESSLISTENER2
	NS_DECL_NSITRANSFER

protected:
	nsIURI			*mSource;
	nsCString		mTargetFileName;
	nsIMIMEInfo		*mMIMEInfo;
	nsILocalFile	*mTempFile;
};

GeckoDownload::GeckoDownload ()
{
}

GeckoDownload::~GeckoDownload ()
{
}

NS_IMPL_ISUPPORTS3 (GeckoDownload,
					nsIWebProgressListener,
					nsIWebProgressListener2,
					nsITransfer)

NS_IMETHODIMP
GeckoDownload::Init (nsIURI *aSource,
					 nsIURI *aTarget,
					 const nsAString &aDisplayName,
					 nsIMIMEInfo *aMIMEInfo,
					 PRTime aStartTime,
					 nsILocalFile *aTempFile,
					 nsICancelable *aCancelable)
{
	mSource = aSource;
	aTarget->GetPath (mTargetFileName);
	mMIMEInfo = aMIMEInfo;
	mTempFile = aTempFile;
//	mCancelable = aCancelable;	Just a reminder for when we implement cancelling downloads.

	return NS_OK;
}

NS_IMETHODIMP 
GeckoDownload::OnStateChange (nsIWebProgress *aWebProgress,
							  nsIRequest *aRequest,
							  PRUint32 aStateFlags,
							  nsresult aStatus)
{
	SugarDownloadManager *download_manager = sugar_get_download_manager ();

	if (aStateFlags == STATE_START) {

		nsCString url;
		nsCString mimeType;
	
		mMIMEInfo->GetMIMEType (mimeType);
		mSource->GetSpec (url);
		
		sugar_download_manager_download_started (download_manager,
												 url.get (),
												 mimeType.get (),
												 mTargetFileName.get ());

	} else if (aStateFlags == STATE_STOP) {
		
		if (NS_SUCCEEDED (aStatus)) {
			sugar_download_manager_download_completed (download_manager,
													   mTargetFileName.get ());
		} else {
			sugar_download_manager_download_cancelled (download_manager,
													   mTargetFileName.get ());
		}
	}

	return NS_OK; 
}

NS_IMETHODIMP
GeckoDownload::OnProgressChange (nsIWebProgress *aWebProgress,
								 nsIRequest *aRequest,
								 PRInt32 aCurSelfProgress,
								 PRInt32 aMaxSelfProgress,
								 PRInt32 aCurTotalProgress,
								 PRInt32 aMaxTotalProgress)
{
	return OnProgressChange64 (aWebProgress,
							   aRequest,
							   aCurSelfProgress,
							   aMaxSelfProgress,
							   aCurTotalProgress,
							   aMaxTotalProgress);
}

NS_IMETHODIMP
GeckoDownload::OnProgressChange64 (nsIWebProgress *aWebProgress,
								   nsIRequest *aRequest,
								   PRInt64 aCurSelfProgress,
								   PRInt64 aMaxSelfProgress,
								   PRInt64 aCurTotalProgress,
								   PRInt64 aMaxTotalProgress)
{	
	SugarDownloadManager *download_manager = sugar_get_download_manager ();
	PRInt32 percentComplete =
		(PRInt32)(((float)aCurSelfProgress / (float)aMaxSelfProgress) * 100.0);

	sugar_download_manager_update_progress (download_manager,
											mTargetFileName.get (),
											percentComplete);

	return NS_OK;
}

NS_IMETHODIMP
GeckoDownload::OnLocationChange (nsIWebProgress *aWebProgress,
								 nsIRequest *aRequest,
								 nsIURI *location)
{
	return NS_OK;
}

NS_IMETHODIMP 
GeckoDownload::OnStatusChange (nsIWebProgress *aWebProgress,
							   nsIRequest *aRequest,
							   nsresult aStatus, 
							   const PRUnichar *aMessage)
{
	return NS_OK;
}

NS_IMETHODIMP 
GeckoDownload::OnSecurityChange (nsIWebProgress *aWebProgress,
								 nsIRequest *aRequest,
								 PRUint32 state)
{
	return NS_OK;
}
//*****************************************************************************
// GeckoDownloadFactory
//*****************************************************************************

class GeckoDownloadFactory : public nsIFactory {
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIFACTORY

    GeckoDownloadFactory();
    virtual ~GeckoDownloadFactory();
};

//*****************************************************************************

NS_IMPL_ISUPPORTS1(GeckoDownloadFactory, nsIFactory)

GeckoDownloadFactory::GeckoDownloadFactory() {
}

GeckoDownloadFactory::~GeckoDownloadFactory() {
}

NS_IMETHODIMP
GeckoDownloadFactory::CreateInstance(nsISupports *aOuter, const nsIID & aIID, void **aResult)
{
    NS_ENSURE_ARG_POINTER(aResult);

    *aResult = NULL;
    GeckoDownload *inst = new GeckoDownload;
    if (!inst)
        return NS_ERROR_OUT_OF_MEMORY;

    nsresult rv = inst->QueryInterface(aIID, aResult);
    if (rv != NS_OK) {
        // We didn't get the right interface, so clean up
        delete inst;
    }

    return rv;
}

NS_IMETHODIMP
GeckoDownloadFactory::LockFactory(PRBool lock)
{
    return NS_OK;
}

//*****************************************************************************

nsresult
NS_NewGeckoDownloadFactory(nsIFactory** aFactory)
{
    NS_ENSURE_ARG_POINTER(aFactory);
    *aFactory = nsnull;

    GeckoDownloadFactory *result = new GeckoDownloadFactory;
    if (!result)
        return NS_ERROR_OUT_OF_MEMORY;

    NS_ADDREF(result);
    *aFactory = result;

    return NS_OK;
}