mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-11-15 03:15:05 -05:00
732 lines
No EOL
19 KiB
C++
732 lines
No EOL
19 KiB
C++
#include "JSAPI2_AsyncDownloader.h"
|
|
#include "JSAPI2_Security.h"
|
|
#include "main.h"
|
|
#include "../Agave/Language/api_language.h"
|
|
#include "JSAPI.h"
|
|
#include "../nu/AutoChar.h"
|
|
#include "../nu/AutoLock.h"
|
|
#include "api.h"
|
|
#include "..\Components\wac_network\wac_network_http_receiver_api.h"
|
|
#include "resource.h"
|
|
#include "../Plugins/General/gen_ml/ml.h"
|
|
#include <api/service/svcs/svc_imgload.h>
|
|
#include "JSAPI2_CallbackManager.h"
|
|
|
|
#define SCRIPT_E_REPORTED 0x80020101
|
|
|
|
#define SIMULTANEOUS_ASYNCDOWNLOADS 2
|
|
std::vector<DownloadToken> asyncDownloads;
|
|
Nullsoft::Utility::LockGuard asyncDownloadsLock;
|
|
|
|
|
|
bool IsImage(const wchar_t *filename)
|
|
{
|
|
FOURCC imgload = svc_imageLoader::getServiceType();
|
|
int n = (int) WASABI_API_SVC->service_getNumServices(imgload);
|
|
for (int i=0; i<n; i++)
|
|
{
|
|
waServiceFactory *sf = WASABI_API_SVC->service_enumService(imgload,i);
|
|
if (sf)
|
|
{
|
|
svc_imageLoader * l = (svc_imageLoader*)sf->getInterface();
|
|
if (l)
|
|
{
|
|
if (l->isMine(filename))
|
|
{
|
|
sf->releaseInterface(l);
|
|
return true;
|
|
}
|
|
sf->releaseInterface(l);
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool IsPlaylist(const wchar_t *filename)
|
|
{
|
|
if (!AGAVE_API_PLAYLISTMANAGER || !AGAVE_API_PLAYLISTMANAGER->CanLoad(filename))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool IsMedia( const wchar_t *filename )
|
|
{
|
|
int a = 0;
|
|
if ( !in_setmod_noplay( filename, &a ) )
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
namespace JSAPI2
|
|
{
|
|
class AsyncDownloaderAPICallback : public ifc_downloadManagerCallback
|
|
{
|
|
public:
|
|
AsyncDownloaderAPICallback( const wchar_t *url, const wchar_t *destination_filepath, const wchar_t *onlineServiceId, const wchar_t *onlineServiceName )
|
|
{
|
|
this->hFile = INVALID_HANDLE_VALUE;
|
|
this->url = _wcsdup( url );
|
|
this->destination_filepath = _wcsdup( destination_filepath );
|
|
this->onlineServiceId = _wcsdup( onlineServiceId );
|
|
if ( onlineServiceName )
|
|
this->onlineServiceName = _wcsdup( onlineServiceName );
|
|
else
|
|
this->onlineServiceName = NULL;
|
|
this->totalSize = 0;
|
|
this->downloaded = 0;
|
|
ref_count = 1;
|
|
}
|
|
|
|
void OnInit(DownloadToken token)
|
|
{
|
|
callbackManager.OnInit(this->url, this->onlineServiceId);
|
|
}
|
|
|
|
void OnConnect(DownloadToken token)
|
|
{
|
|
// ---- retrieve total size
|
|
api_httpreceiver *http = WAC_API_DOWNLOADMANAGER->GetReceiver(token);
|
|
if (http)
|
|
{
|
|
this->totalSize = http->content_length();
|
|
}
|
|
|
|
// ---- create file handle
|
|
hFile = CreateFileW(destination_filepath, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if ( hFile == INVALID_HANDLE_VALUE )
|
|
{
|
|
WAC_API_DOWNLOADMANAGER->CancelDownload(token);
|
|
}
|
|
|
|
callbackManager.OnConnect(this->url, this->onlineServiceId);
|
|
}
|
|
|
|
void OnData(DownloadToken token, void *data, size_t datalen)
|
|
{
|
|
// ---- OnConnect copied here due to dlmgr OnData called first
|
|
// ---- retrieve total size
|
|
api_httpreceiver *http = WAC_API_DOWNLOADMANAGER->GetReceiver(token);
|
|
if ( !this->totalSize && http )
|
|
{
|
|
this->totalSize = http->content_length();
|
|
}
|
|
|
|
if ( hFile == INVALID_HANDLE_VALUE )
|
|
{
|
|
// ---- create file handle
|
|
hFile = CreateFileW(destination_filepath, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if ( hFile == INVALID_HANDLE_VALUE )
|
|
{
|
|
WAC_API_DOWNLOADMANAGER->CancelDownload(token);
|
|
return;
|
|
}
|
|
}
|
|
// ---- OnConnect to be removed once dlmgr is fixed
|
|
|
|
// ---- OnData
|
|
// ---- if file handle is invalid, then cancel download
|
|
if ( hFile == INVALID_HANDLE_VALUE )
|
|
{
|
|
WAC_API_DOWNLOADMANAGER->CancelDownload(token);
|
|
return;
|
|
}
|
|
|
|
this->downloaded = (size_t)WAC_API_DOWNLOADMANAGER->GetBytesDownloaded(token);
|
|
|
|
if ( datalen > 0 )
|
|
{
|
|
// ---- hFile is valid handle, and write to disk
|
|
DWORD numWritten = 0;
|
|
WriteFile(hFile, data, (DWORD)datalen, &numWritten, FALSE);
|
|
|
|
// ---- failed writing the number of datalen characters, cancel download
|
|
if (numWritten != datalen)
|
|
{
|
|
WAC_API_DOWNLOADMANAGER->CancelDownload(token);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// TODO: if killswitch is turned on, then cancel download
|
|
//if ( downloadStatus.UpdateStatus(p_token, this->downloaded, this->totalSize) )
|
|
//{
|
|
// WAC_API_DOWNLOADMANAGER->CancelDownload(p_token);
|
|
//}
|
|
|
|
callbackManager.OnData(url, this->downloaded, this->totalSize, this->onlineServiceId);
|
|
}
|
|
|
|
void OnCancel( DownloadToken p_token )
|
|
{
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
CloseHandle( hFile );
|
|
DeleteFileW( destination_filepath );
|
|
}
|
|
|
|
this->resumeNextPendingDownload( p_token );
|
|
|
|
callbackManager.OnCancel( url, this->onlineServiceId );
|
|
|
|
this->Release();
|
|
}
|
|
|
|
void OnError(DownloadToken p_token, int error)
|
|
{
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
CloseHandle(hFile);
|
|
DeleteFileW(destination_filepath);
|
|
}
|
|
|
|
this->resumeNextPendingDownload( p_token );
|
|
|
|
callbackManager.OnError(url, error, this->onlineServiceId);
|
|
|
|
this->Release();
|
|
}
|
|
|
|
void OnFinish( DownloadToken p_token )
|
|
{
|
|
if ( hFile != INVALID_HANDLE_VALUE )
|
|
{
|
|
CloseHandle( hFile );
|
|
|
|
if ( IsMedia( PathFindFileNameW( destination_filepath ) ) )
|
|
{
|
|
LMDB_FILE_ADD_INFOW fi = { const_cast<wchar_t *>( destination_filepath ), -1, -1 };
|
|
sendMlIpc( ML_IPC_DB_ADDORUPDATEFILEW, (WPARAM)&fi );
|
|
sendMlIpc( ML_IPC_DB_SYNCDB, 0 );
|
|
}
|
|
}
|
|
|
|
this->resumeNextPendingDownload( p_token );
|
|
|
|
|
|
callbackManager.OnFinish( url, destination_filepath, this->onlineServiceId );
|
|
|
|
this->Release();
|
|
}
|
|
|
|
|
|
int GetSource( wchar_t *source, size_t source_cch )
|
|
{
|
|
if ( this->onlineServiceName )
|
|
return wcscpy_s( source, source_cch, this->onlineServiceName );
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
int GetTitle( wchar_t *title, size_t title_cch )
|
|
{
|
|
return wcscpy_s( title, title_cch, PathFindFileNameW( this->destination_filepath ) );
|
|
}
|
|
|
|
int GetLocation( wchar_t *location, size_t location_cch )
|
|
{
|
|
return wcscpy_s( location, location_cch, this->destination_filepath );
|
|
}
|
|
|
|
|
|
size_t AddRef()
|
|
{
|
|
return InterlockedIncrement( (LONG *)&ref_count );
|
|
}
|
|
|
|
size_t Release()
|
|
{
|
|
if ( ref_count == 0 )
|
|
return ref_count;
|
|
|
|
LONG r = InterlockedDecrement( (LONG *)&ref_count );
|
|
if ( r == 0 )
|
|
delete( this );
|
|
|
|
return r;
|
|
}
|
|
|
|
private: // private destructor so no one accidentally calls delete directly on this reference counted object
|
|
~AsyncDownloaderAPICallback()
|
|
{
|
|
if ( url )
|
|
free( url );
|
|
|
|
if ( destination_filepath )
|
|
free( destination_filepath );
|
|
|
|
if ( onlineServiceId )
|
|
free( onlineServiceId );
|
|
|
|
if ( onlineServiceName )
|
|
free( onlineServiceName );
|
|
}
|
|
|
|
inline void resumeNextPendingDownload( DownloadToken p_token )
|
|
{
|
|
{
|
|
Nullsoft::Utility::AutoLock lock( asyncDownloadsLock );
|
|
|
|
size_t l_index = 0;
|
|
for ( DownloadToken &l_download_token : asyncDownloads )
|
|
{
|
|
if ( l_download_token == p_token )
|
|
{
|
|
asyncDownloads.erase( asyncDownloads.begin() + l_index );
|
|
break;
|
|
}
|
|
|
|
++l_index;
|
|
}
|
|
}
|
|
|
|
for ( DownloadToken &l_download_token : asyncDownloads )
|
|
{
|
|
if ( WAC_API_DOWNLOADMANAGER->IsPending( l_download_token ) )
|
|
{
|
|
WAC_API_DOWNLOADMANAGER->ResumePendingDownload( l_download_token );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected:
|
|
RECVS_DISPATCH;
|
|
|
|
private:
|
|
HANDLE hFile;
|
|
wchar_t *url;
|
|
wchar_t *destination_filepath;
|
|
wchar_t *onlineServiceId;
|
|
wchar_t *onlineServiceName;
|
|
size_t totalSize;
|
|
size_t downloaded;
|
|
LONG ref_count;
|
|
};
|
|
}
|
|
|
|
#define CBCLASS JSAPI2::AsyncDownloaderAPICallback
|
|
START_DISPATCH;
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONFINISH, OnFinish )
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONCANCEL, OnCancel )
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONERROR, OnError )
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONDATA, OnData )
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONCONNECT, OnConnect )
|
|
VCB( IFC_DOWNLOADMANAGERCALLBACK_ONINIT, OnInit )
|
|
CB( IFC_DOWNLOADMANAGERCALLBACK_GETSOURCE, GetSource )
|
|
CB( IFC_DOWNLOADMANAGERCALLBACK_GETTITLE, GetTitle )
|
|
CB( IFC_DOWNLOADMANAGERCALLBACK_GETLOCATION, GetLocation )
|
|
CB( ADDREF, AddRef )
|
|
CB( RELEASE, Release )
|
|
END_DISPATCH;
|
|
#undef CBCLASS
|
|
|
|
JSAPI2::AsyncDownloaderAPI::AsyncDownloaderAPI(const wchar_t *_key, JSAPI::ifc_info *_info)
|
|
{
|
|
info = _info;
|
|
key = _key;
|
|
refCount = 1;
|
|
}
|
|
|
|
JSAPI2::AsyncDownloaderAPI::~AsyncDownloaderAPI()
|
|
{
|
|
// just in case someone forgot
|
|
JSAPI2::callbackManager.Deregister(this);
|
|
|
|
size_t index = events.size();
|
|
while(index--)
|
|
{
|
|
IDispatch *pEvent = events[index];
|
|
if (NULL != pEvent)
|
|
pEvent->Release();
|
|
}
|
|
}
|
|
|
|
|
|
#define DISP_TABLE \
|
|
CHECK_ID(DownloadMedia)\
|
|
CHECK_ID(RegisterForEvents)\
|
|
CHECK_ID(UnregisterFromEvents)\
|
|
|
|
#define CHECK_ID(str) JSAPI_DISP_ENUMIFY(str),
|
|
enum {
|
|
DISP_TABLE
|
|
};
|
|
|
|
#undef CHECK_ID
|
|
#define CHECK_ID(str)\
|
|
if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, rgszNames[i], -1, L## #str, -1))\
|
|
{ rgdispid[i] = JSAPI_DISP_ENUMIFY(str); continue; }
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
|
|
{
|
|
bool unknowns = false;
|
|
for (unsigned int i = 0;i != cNames;i++)
|
|
{
|
|
DISP_TABLE;
|
|
|
|
rgdispid[i] = DISPID_UNKNOWN;
|
|
unknowns = true;
|
|
|
|
}
|
|
if (unknowns)
|
|
return DISP_E_UNKNOWNNAME;
|
|
else
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::GetTypeInfoCount(unsigned int FAR * pctinfo)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
int CALLBACK WINAPI BrowseCallbackProc_Download(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
|
|
{
|
|
if (uMsg == BFFM_INITIALIZED)
|
|
{
|
|
SendMessageW(hwnd, BFFM_SETSELECTIONW, 1, (LPARAM)lpData);
|
|
|
|
// this is not nice but it fixes the selection not working correctly on all OSes
|
|
EnumChildWindows(hwnd, browseEnumProc, 0);
|
|
}
|
|
if (uMsg == WM_CREATE) SetWindowTextW(hwnd,getStringW(IDS_SELDOWNLOADDIR,NULL,0));
|
|
return 0;
|
|
}
|
|
|
|
void GetPathToStore(wchar_t path_to_store[MAX_PATH]);
|
|
bool GetOnlineDownloadPath(const wchar_t *key, const wchar_t *svcname, wchar_t path_to_store[MAX_PATH])
|
|
{
|
|
//retrieve online service specific download path
|
|
GetPrivateProfileStringW(key,L"downloadpath",NULL,path_to_store,MAX_PATH,JSAPI2_INIFILE);
|
|
|
|
//if found then return, otherwise allow user to specify
|
|
if (path_to_store && path_to_store[0]) return true;
|
|
|
|
//default music folder
|
|
GetPathToStore(path_to_store);
|
|
|
|
//popup dialog to allow user select and specify online service download path
|
|
BROWSEINFOW bi={0};
|
|
wchar_t name[MAX_PATH] = {0};
|
|
wchar_t title[256] = {0};
|
|
bi.hwndOwner = g_dialog_box_parent?g_dialog_box_parent:hMainWindow;
|
|
bi.pszDisplayName = name;
|
|
StringCchPrintfW(title,256,getStringW(IDS_ONLINESERVICE_SELDOWNLOADDIR, 0, 0),svcname);
|
|
bi.lpszTitle = title;
|
|
bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_NEWDIALOGSTYLE;
|
|
bi.lpfn = BrowseCallbackProc_Download;
|
|
bi.lParam = (LPARAM)path_to_store;
|
|
ITEMIDLIST *idlist = SHBrowseForFolderW(&bi);
|
|
if (idlist)
|
|
{
|
|
SHGetPathFromIDListW(idlist, path_to_store);
|
|
Shell_Free(idlist);
|
|
WritePrivateProfileStringW(key,L"downloadpath",path_to_store,JSAPI2_INIFILE);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CleanNameForPath(wchar_t *name)
|
|
{
|
|
|
|
while (name && *name)
|
|
{
|
|
switch(*name)
|
|
{
|
|
case L'?':
|
|
case L'*':
|
|
case L'|':
|
|
*name = L'_';
|
|
break;
|
|
case '/':
|
|
case L'\\':
|
|
case L':':
|
|
*name = L'-';
|
|
break;
|
|
case L'\"':
|
|
*name = L'\'';
|
|
break;
|
|
case L'<':
|
|
*name = L'(';
|
|
break;
|
|
case L'>': *name = L')';
|
|
break;
|
|
}
|
|
name++;
|
|
}
|
|
}
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::DownloadMedia(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
|
|
{
|
|
JSAPI_VERIFY_METHOD(wFlags);
|
|
JSAPI_VERIFY_PARAMCOUNT_OPTIONAL(pdispparams, 1, 3);
|
|
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_BSTR, puArgErr); //url
|
|
JSAPI_VERIFY_PARAMTYPE_OPTIONAL(pdispparams, 2, VT_BSTR, puArgErr); //destination file
|
|
JSAPI_VERIFY_PARAMTYPE_OPTIONAL(pdispparams, 3, VT_BOOL, puArgErr); //add to media library or not
|
|
|
|
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
|
|
|
|
if (security.GetActionAuthorization(L"downloader", L"downloadmedia", key, info, JSAPI2::api_security::ACTION_PROMPT) == JSAPI2::api_security::ACTION_ALLOWED)
|
|
{
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
|
|
|
|
const wchar_t *url = JSAPI_PARAM(pdispparams, 1).bstrVal;
|
|
wchar_t *destFileSpec=JSAPI_PARAM_OPTIONAL(pdispparams, 2, bstrVal, PathFindFileNameW(url));
|
|
//filter reserved characters in file name
|
|
CleanNameForPath(destFileSpec);
|
|
|
|
// verify that passed-in URL is a valid media type
|
|
if (!url || !destFileSpec || (!IsImage(destFileSpec) && !IsPlaylist(destFileSpec) && !IsMedia(destFileSpec)))
|
|
{
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
|
|
return S_OK;
|
|
}
|
|
|
|
wchar_t path_to_store[MAX_PATH] = {0};
|
|
if (GetOnlineDownloadPath(this->key, this->info->GetName(), path_to_store))
|
|
{
|
|
CreateDirectoryW(path_to_store, NULL);
|
|
|
|
wchar_t destfile[MAX_PATH] = {0};
|
|
PathCombineW(destfile, path_to_store, destFileSpec);
|
|
|
|
JSAPI2::AsyncDownloaderAPICallback *callback = new JSAPI2::AsyncDownloaderAPICallback(url, destfile, key, this->info->GetName());
|
|
{
|
|
Nullsoft::Utility::AutoLock lock(asyncDownloadsLock);
|
|
if (asyncDownloads.size() < SIMULTANEOUS_ASYNCDOWNLOADS)
|
|
{
|
|
DownloadToken dt = WAC_API_DOWNLOADMANAGER->DownloadEx(AutoChar(url), callback, api_downloadManager::DOWNLOADEX_CALLBACK | api_downloadManager::DOWNLOADEX_UI);
|
|
asyncDownloads.push_back(dt);
|
|
}
|
|
else
|
|
{
|
|
DownloadToken dt = WAC_API_DOWNLOADMANAGER->DownloadEx(AutoChar(url), callback, api_downloadManager::DOWNLOADEX_CALLBACK | api_downloadManager::DOWNLOADEX_PENDING | api_downloadManager::DOWNLOADEX_UI);
|
|
asyncDownloads.push_back(dt);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::RegisterForEvents(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
|
|
{
|
|
JSAPI_VERIFY_METHOD(wFlags);
|
|
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
|
|
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_DISPATCH, puArgErr);
|
|
|
|
JSAPI_INIT_RESULT(pvarResult, VT_BOOL);
|
|
|
|
switch (security.GetActionAuthorization(L"downloader", L"events", key, info, JSAPI2::api_security::ACTION_PROMPT))
|
|
{
|
|
case JSAPI2::api_security::ACTION_DISALLOWED:
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_FALSE);
|
|
break;
|
|
case JSAPI2::api_security::ACTION_ALLOWED:
|
|
{
|
|
/** if this is the first time someone is registering an event
|
|
** add ourselves to the callback manager
|
|
*/
|
|
if (events.empty())
|
|
JSAPI2::callbackManager.Register(this);
|
|
|
|
IDispatch *event = JSAPI_PARAM(pdispparams, 1).pdispVal;
|
|
event->AddRef();
|
|
// TODO: benski> not sure, but we might need to: event->AddRef();
|
|
events.push_back(event);
|
|
JSAPI_SET_RESULT(pvarResult, boolVal, VARIANT_TRUE);
|
|
}
|
|
break;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::UnregisterFromEvents(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
|
|
{
|
|
JSAPI_VERIFY_METHOD(wFlags);
|
|
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
|
|
JSAPI_VERIFY_PARAMTYPE(pdispparams, 1, VT_DISPATCH, puArgErr);
|
|
|
|
IDispatch *event = JSAPI_PARAM(pdispparams, 1).pdispVal;
|
|
// TODO: benski> not sure, but we might need to: event->Release();
|
|
|
|
size_t index = events.size();
|
|
while(index--)
|
|
{
|
|
if (events[index] == event)
|
|
{
|
|
events.erase(events.begin() + index);
|
|
event->Release();
|
|
}
|
|
}
|
|
|
|
/** if we don't have any more event listeners
|
|
** remove ourselves from the callback manager
|
|
*/
|
|
if (events.empty())
|
|
JSAPI2::callbackManager.Deregister(this);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
#undef CHECK_ID
|
|
#define CHECK_ID(str) case JSAPI_DISP_ENUMIFY(str): return str(wFlags, pdispparams, pvarResult, puArgErr);
|
|
HRESULT JSAPI2::AsyncDownloaderAPI::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
|
|
{
|
|
switch (dispid)
|
|
{
|
|
DISP_TABLE
|
|
}
|
|
return DISP_E_MEMBERNOTFOUND;
|
|
}
|
|
|
|
STDMETHODIMP JSAPI2::AsyncDownloaderAPI::QueryInterface(REFIID riid, PVOID *ppvObject)
|
|
{
|
|
if (!ppvObject)
|
|
return E_POINTER;
|
|
|
|
else if (IsEqualIID(riid, IID_IDispatch))
|
|
*ppvObject = (IDispatch *)this;
|
|
else if (IsEqualIID(riid, IID_IUnknown))
|
|
*ppvObject = this;
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
AddRef();
|
|
return S_OK;
|
|
}
|
|
|
|
ULONG JSAPI2::AsyncDownloaderAPI::AddRef(void)
|
|
{
|
|
return InterlockedIncrement(&refCount);
|
|
}
|
|
|
|
|
|
ULONG JSAPI2::AsyncDownloaderAPI::Release(void)
|
|
{
|
|
LONG lRef = InterlockedDecrement(&refCount);
|
|
if (lRef == 0) delete this;
|
|
return lRef;
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::InvokeEvent(const wchar_t *eventName, JSAPI::CallbackParameters::PropertyTemplate *parameters, size_t parametersCount)
|
|
{
|
|
size_t index = events.size();
|
|
if (0 == index)
|
|
{
|
|
JSAPI2::callbackManager.Deregister(this);
|
|
return;
|
|
}
|
|
|
|
JSAPI::CallbackParameters *eventData= new JSAPI::CallbackParameters;
|
|
if (NULL == eventData) return;
|
|
|
|
eventData->AddString(L"event", eventName);
|
|
|
|
if (NULL != parameters && 0 != parametersCount)
|
|
eventData->AddPropertyIndirect(parameters, parametersCount);
|
|
|
|
HRESULT hr;
|
|
while (index--)
|
|
{
|
|
IDispatch *pEvent = events[index];
|
|
if (NULL != pEvent)
|
|
{
|
|
hr = JSAPI::InvokeEvent(eventData, pEvent);
|
|
if (FAILED(hr) && SCRIPT_E_REPORTED != hr)
|
|
{
|
|
events.erase(events.begin() + index);
|
|
pEvent->Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (events.empty())
|
|
JSAPI2::callbackManager.Deregister(this);
|
|
|
|
eventData->Release();
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnInit(const wchar_t *url)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter =
|
|
{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url};
|
|
|
|
InvokeEvent(L"OnInit", ¶meter, 1);
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnConnect(const wchar_t *url)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter =
|
|
{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url};
|
|
|
|
InvokeEvent(L"OnConnect", ¶meter, 1);
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnData(const wchar_t *url, size_t downloadedlen, size_t totallen)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter[3] =
|
|
{{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url},
|
|
{JSAPI::CallbackParameters::typeLong, L"downloadedlen", (ULONG_PTR)downloadedlen},
|
|
{JSAPI::CallbackParameters::typeLong, L"totallen", (ULONG_PTR)totallen}};
|
|
|
|
InvokeEvent(L"OnData", ¶meter[0], 3);
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnCancel(const wchar_t *url)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter =
|
|
{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url};
|
|
|
|
InvokeEvent(L"OnCancel", ¶meter, 1);
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnError(const wchar_t *url, int error)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter[2] =
|
|
{{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url},
|
|
{JSAPI::CallbackParameters::typeLong, L"error", (ULONG_PTR)error}};
|
|
|
|
InvokeEvent(L"OnError", ¶meter[0], 2);
|
|
}
|
|
|
|
|
|
void JSAPI2::AsyncDownloaderAPI::OnFinish(const wchar_t *url, const wchar_t *destfilename)
|
|
{
|
|
JSAPI::CallbackParameters::PropertyTemplate parameter[2] =
|
|
{{JSAPI::CallbackParameters::typeString, L"url", (ULONG_PTR)url},
|
|
{JSAPI::CallbackParameters::typeString, L"destfilename", (ULONG_PTR)destfilename}};
|
|
|
|
InvokeEvent(L"OnFinish", ¶meter[0], 2);
|
|
}
|
|
|
|
const wchar_t *JSAPI2::AsyncDownloaderAPI::GetKey()
|
|
{
|
|
return this->key;
|
|
} |