cwmpeventdispatch.cpp

WINCE 下的Media Player 播放器控制源代码

// CWMPEventDispatch.cpp : Implementation of the event dispatcher
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
#include "StdAfx.h"
#include "CWMPEventDispatch.h"

HRESULT CWMPEventDispatch::Invoke(
                            DISPID  dispIdMember, 
                            REFIID  riid, 
                            LCID  lcid, 
                            WORD  wFlags, 
                            DISPPARAMS FAR*  pDispParams, 
                            VARIANT FAR*  pVarResult, 
                            EXCEPINFO FAR*  pExcepInfo, 
                            unsigned int FAR*  puArgErr)
{
    if (!pDispParams)
        return E_POINTER;

    if (pDispParams->cNamedArgs != 0)
        return DISP_E_NONAMEDARGS;

    HRESULT hr = DISP_E_MEMBERNOTFOUND;

    switch (dispIdMember)
    {
        case DISPID_WMPCOREEVENT_OPENSTATECHANGE:
            OpenStateChange(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_PLAYSTATECHANGE:
            PlayStateChange(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_AUDIOLANGUAGECHANGE:
            AudioLanguageChange(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_STATUSCHANGE:
            StatusChange();
            break;

        case DISPID_WMPCOREEVENT_SCRIPTCOMMAND:
            ScriptCommand(pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_NEWSTREAM:
            NewStream();
            break;

        case DISPID_WMPCOREEVENT_DISCONNECT:
            Disconnect(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_BUFFERING:
            Buffering(pDispParams->rgvarg[0].boolVal);
            break;

        case DISPID_WMPCOREEVENT_ERROR:
            Error();
            break;

        case DISPID_WMPCOREEVENT_WARNING:
            Warning(pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal, pDispParams->rgvarg[2].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_ENDOFSTREAM:
            EndOfStream(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_POSITIONCHANGE:
            PositionChange(pDispParams->rgvarg[1].dblVal, pDispParams->rgvarg[0].dblVal);
            break;

        case DISPID_WMPCOREEVENT_MARKERHIT:
            MarkerHit(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_DURATIONUNITCHANGE:
            DurationUnitChange(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_CDROMMEDIACHANGE:
            CdromMediaChange(pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_PLAYLISTCHANGE:
            PlaylistChange(pDispParams->rgvarg[1].pdispVal, (WMPPlaylistChangeEventType) pDispParams->rgvarg[0].lVal);
            break;
            
        case DISPID_WMPCOREEVENT_CURRENTPLAYLISTCHANGE:
            CurrentPlaylistChange((WMPPlaylistChangeEventType) pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPCOREEVENT_CURRENTPLAYLISTITEMAVAILABLE:
            CurrentPlaylistItemAvailable(pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_MEDIACHANGE:
            MediaChange(pDispParams->rgvarg[0].pdispVal);
            break;

        case DISPID_WMPCOREEVENT_CURRENTMEDIAITEMAVAILABLE:
            CurrentMediaItemAvailable(pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_CURRENTITEMCHANGE:
            CurrentItemChange(pDispParams->rgvarg[0].pdispVal);
            break;

        case DISPID_WMPCOREEVENT_MEDIACOLLECTIONCHANGE:
            MediaCollectionChange();
            break;
            
        case DISPID_WMPCOREEVENT_MEDIACOLLECTIONATTRIBUTESTRINGADDED:
            MediaCollectionAttributeStringAdded(pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_MEDIACOLLECTIONATTRIBUTESTRINGREMOVED:
            MediaCollectionAttributeStringRemoved(pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_MEDIACOLLECTIONATTRIBUTESTRINGCHANGED:
            MediaCollectionAttributeStringChanged(pDispParams->rgvarg[2].bstrVal, pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_PLAYLISTCOLLECTIONCHANGE:
            PlaylistCollectionChange();
            break;

        case DISPID_WMPCOREEVENT_PLAYLISTCOLLECTIONPLAYLISTADDED:
            PlaylistCollectionPlaylistAdded(pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_PLAYLISTCOLLECTIONPLAYLISTREMOVED:
            PlaylistCollectionPlaylistRemoved(pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPCOREEVENT_PLAYLISTCOLLECTIONPLAYLISTSETASDELETED:
            PlaylistCollectionPlaylistSetAsDeleted(pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].boolVal);
            break;

        case DISPID_WMPCOREEVENT_MODECHANGE:
            ModeChange(pDispParams->rgvarg[1].bstrVal, pDispParams->rgvarg[0].boolVal);
            break;

        case DISPID_WMPCOREEVENT_MEDIAERROR:
            MediaError(pDispParams->rgvarg[0].pdispVal);
            break;

        case DISPID_WMPCOREEVENT_OPENPLAYLISTSWITCH:
            OpenPlaylistSwitch(pDispParams->rgvarg[0].pdispVal);
            break;

        case DISPID_WMPCOREEVENT_DOMAINCHANGE:
            DomainChange(pDispParams->rgvarg[0].bstrVal);
            break;

        case DISPID_WMPOCXEVENT_SWITCHEDTOPLAYERAPPLICATION:
            SwitchedToPlayerApplication();
            break;

        case DISPID_WMPOCXEVENT_SWITCHEDTOCONTROL:
            SwitchedToControl();
            break;

        case DISPID_WMPOCXEVENT_PLAYERDOCKEDSTATECHANGE:
            PlayerDockedStateChange();
            break;

        case DISPID_WMPOCXEVENT_PLAYERRECONNECT:
            PlayerReconnect();
            break;

        case DISPID_WMPOCXEVENT_CLICK:
            Click(pDispParams->rgvarg[3].iVal, pDispParams->rgvarg[2].iVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPOCXEVENT_DOUBLECLICK:
            DoubleClick(pDispParams->rgvarg[3].iVal, pDispParams->rgvarg[2].iVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPOCXEVENT_KEYDOWN:
            KeyDown(pDispParams->rgvarg[1].iVal, pDispParams->rgvarg[0].iVal);
            break;

        case DISPID_WMPOCXEVENT_KEYPRESS:
            KeyPress(pDispParams->rgvarg[0].iVal);
            break;

        case DISPID_WMPOCXEVENT_KEYUP:
            KeyUp(pDispParams->rgvarg[1].iVal, pDispParams->rgvarg[0].iVal);
            break;

        case DISPID_WMPOCXEVENT_MOUSEDOWN:
            MouseDown(pDispParams->rgvarg[3].iVal, pDispParams->rgvarg[2].iVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPOCXEVENT_MOUSEMOVE:
            MouseMove(pDispParams->rgvarg[3].iVal, pDispParams->rgvarg[2].iVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
            break;

        case DISPID_WMPOCXEVENT_MOUSEUP:
            MouseUp(pDispParams->rgvarg[3].iVal, pDispParams->rgvarg[2].iVal, pDispParams->rgvarg[1].lVal, pDispParams->rgvarg[0].lVal);
            break;
    }

    return( hr);
}

// Sent when the control changes OpenState
void CWMPEventDispatch::OpenStateChange(long NewState)
{
    return;
}

// Sent when the control changes PlayState
void CWMPEventDispatch::PlayStateChange(long NewState)
{
    return;
}

// Sent when the audio language changes
void CWMPEventDispatch::AudioLanguageChange(long LangID)
{
    return;
}

// Sent when the status string changes
void CWMPEventDispatch::StatusChange()
{
    return;
}

// Sent when a synchronized command or URL is received
void CWMPEventDispatch::ScriptCommand(BSTR,BSTR)
{
    return;
}

// Sent when a new stream is encountered (obsolete)
void CWMPEventDispatch::NewStream()
{
    return;
}

// Sent when the control is disconnected from the server (obsolete)
void CWMPEventDispatch::Disconnect(long)
{
    return;
}

// Sent when the control begins or ends buffering
void CWMPEventDispatch::Buffering(VARIANT_BOOL)
{
    return;
}

// Sent when the control has an error condition
void CWMPEventDispatch::Error()
{
    return;
}

// Sent when the control has an warning condition (obsolete)
void CWMPEventDispatch::Warning(long, long, BSTR)
{
    return;
}

// Sent when the media has reached end of stream
void CWMPEventDispatch::EndOfStream(long)
{
    return;
}

// Indicates that the current position of the movie has changed
void CWMPEventDispatch::PositionChange(double,double)
{
    return;
}

// Sent when a marker is reached
void CWMPEventDispatch::MarkerHit(long)
{
    return;
}

// Indicates that the unit used to express duration and position has changed
void CWMPEventDispatch::DurationUnitChange(long)
{
    return;
}

// Indicates that the CD ROM media has changed
void CWMPEventDispatch::CdromMediaChange(long)
{
    return;
}

// Sent when a playlist changes
void CWMPEventDispatch::PlaylistChange(IDispatch *,WMPPlaylistChangeEventType)
{
    return;
}

// Sent when the current playlist changes
void CWMPEventDispatch::CurrentPlaylistChange(WMPPlaylistChangeEventType)
{
    return;
}

// Sent when a current playlist item becomes available
void CWMPEventDispatch::CurrentPlaylistItemAvailable(BSTR)
{
    return;
}

// Sent when a media object changes
void CWMPEventDispatch::MediaChange(IDispatch *  Item)
{
    return;
}

// Sent when a current media item becomes available
void CWMPEventDispatch::CurrentMediaItemAvailable(BSTR  bstrItemName)
{
    return;
}

// Sent when the item selection on the current playlist changes
void CWMPEventDispatch::CurrentItemChange(IDispatch *  pdispMedia)
{
    return;
}

// Sent when the media collection needs to be requeried
void CWMPEventDispatch::MediaCollectionChange()
{
    return;
}

// Sent when an attribute string is added in the media collection
void CWMPEventDispatch::MediaCollectionAttributeStringAdded(BSTR  bstrAttribName, BSTR  bstrAttribVal)
{
    return;
}

// Sent when an attribute string is removed from the media collection
void CWMPEventDispatch::MediaCollectionAttributeStringRemoved(BSTR  bstrAttribName, BSTR  bstrAttribVal)
{
    return;
}

// Sent when an attribute string is changed in the media collection
void CWMPEventDispatch::MediaCollectionAttributeStringChanged(BSTR  bstrAttribName, BSTR  bstrOldAttribVal, BSTR  bstrNewAttribVal)
{
    return;
}

// Sent when playlist collection needs to be requeried
void CWMPEventDispatch::PlaylistCollectionChange()
{
    return;
}

// Sent when a playlist is added to the playlist collection
void CWMPEventDispatch::PlaylistCollectionPlaylistAdded(BSTR  bstrPlaylistName)
{
    return;
}

// Sent when a playlist is removed from the playlist collection
void CWMPEventDispatch::PlaylistCollectionPlaylistRemoved(BSTR  bstrPlaylistName)
{
    return;
}

// Sent when a playlist has been set or reset as deleted
void CWMPEventDispatch::PlaylistCollectionPlaylistSetAsDeleted(BSTR  bstrPlaylistName, VARIANT_BOOL  varfIsDeleted)
{
    return;
}

// Playlist playback mode has changed
void CWMPEventDispatch::ModeChange(BSTR  ModeName, VARIANT_BOOL  NewValue)
{
    return;
}

// Sent when the media object has an error condition
void CWMPEventDispatch::MediaError(IDispatch *  pMediaObject)
{
    return;
}

// Current playlist switch with no open state change
void CWMPEventDispatch::OpenPlaylistSwitch(IDispatch *  pItem)
{
    return;
}

// Sent when the current DVD domain changes
void CWMPEventDispatch::DomainChange(BSTR)
{
    return;
}

// Sent when display switches to player application
void CWMPEventDispatch::SwitchedToPlayerApplication()
{
    return;
}

// Sent when display switches to control
void CWMPEventDispatch::SwitchedToControl()
{
    return;
}

// Sent when the player docks or undocks
void CWMPEventDispatch::PlayerDockedStateChange()
{
    return;
}

// Sent when the OCX reconnects to the player
void CWMPEventDispatch::PlayerReconnect()
{
    return;
}

// Occurs when a user clicks the mouse
void CWMPEventDispatch::Click( short  nButton, short  nShiftState, long  fX, long  fY)
{
    return;
}

// Occurs when a user double-clicks the mouse
void CWMPEventDispatch::DoubleClick( short  nButton, short  nShiftState, long  fX, long  fY)
{
    return;
}

// Occurs when a key is pressed
void CWMPEventDispatch::KeyDown( short  nKeyCode, short  nShiftState)
{
    return;
}

// Occurs when a key is pressed and released
void CWMPEventDispatch::KeyPress( short  nKeyAscii)
{
    return;
}

// Occurs when a key is released
void CWMPEventDispatch::KeyUp( short  nKeyCode, short  nShiftState)
{
    return;
}

// Occurs when a mouse button is pressed
void CWMPEventDispatch::MouseDown( short  nButton, short  nShiftState, long  fX, long  fY)
{
    return;
}

// Occurs when a mouse pointer is moved
void CWMPEventDispatch::MouseMove( short  nButton, short  nShiftState, long  fX, long  fY)
{
    return;
}

// Occurs when a mouse button is released
void CWMPEventDispatch::MouseUp( short  nButton, short  nShiftState, long  fX, long  fY)
{
    return;
}