//+-------------------------------------------------------------------------
//
//  Microsoft Windows
//  Copyright 1995 - 1998 Microsoft Corporation. All Rights Reserved.
//
//--------------------------------------------------------------------------

cpp_quote("//=--------------------------------------------------------------------------=")
cpp_quote("// chanmgr.h")
cpp_quote("//=--------------------------------------------------------------------------=")
cpp_quote("// (C) Copyright 1995 - 1998 Microsoft Corporation.  All Rights Reserved.")
cpp_quote("//")
cpp_quote("// THIS CODE AND INFORMATION IS PROVIDED \"AS IS\" WITHOUT WARRANTY OF")
cpp_quote("// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO")
cpp_quote("// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A")
cpp_quote("// PARTICULAR PURPOSE.")
cpp_quote("//=--------------------------------------------------------------------------=")
cpp_quote("")
cpp_quote("#pragma comment(lib,\"uuid.lib\")")
cpp_quote("")
cpp_quote("//---------------------------------------------------------------------------=")
cpp_quote("// Channel Manager Interfaces.")
cpp_quote("")

#ifndef DO_NO_IMPORTS
import "unknwn.idl";
#endif

interface IChannelMgr;
interface IEnumChannels;


//---------------------------------------------------------------
//          Channel Manager
//---------------------------------------------------------------
[
    uuid(4804f2e0-d16e-11d0-802b-00c04fd75d13),     // LIBID_CHANNELMGR
    helpstring("Microsoft Channel Manager 1.0"),
    lcid(0x0000),
    version(1.0)
]
library CHANNELMGR
{
    // ChannelMgr interface
    [
        uuid(85BD8E82-0FBA-11d1-90C3-00C04FC2F568),  // IID_IChannelMgr
        helpstring("Channel Manager interface"),
        odl
    ]
    interface IChannelMgr : IUnknown
    {
        typedef struct _tagChannelShortcutInfo {
            DWORD  cbSize;     // size of struct, must be specified
            LPWSTR pszTitle;   // channel title
            LPWSTR pszURL;     // required url to channel cdf
            LPWSTR pszLogo;    // optional logo url
            LPWSTR pszIcon;    // optional icon url
            LPWSTR pszWideLogo;// optional wide logo url
            BOOL   bIsSoftware;// is software update and lives in that folder (normally false)
        } CHANNELSHORTCUTINFO;

        typedef struct _tagChannelCategoryInfo {
            DWORD  cbSize;     // size of struct, must be specified
            LPWSTR pszTitle;   // category title
            LPWSTR pszURL;     // optional url to category html
            LPWSTR pszLogo;    // optional logo url
            LPWSTR pszIcon;    // optional icon url
            LPWSTR pszWideLogo;// optional wide logo url
        } CHANNELCATEGORYINFO;

        typedef enum _tagChannelEnumFlags {
            CHANENUM_CHANNELFOLDER    = 0x00000001,
            CHANENUM_SOFTUPDATEFOLDER = 0x00000002,
            CHANENUM_DESKTOPFOLDER    = 0x00000004,
            CHANENUM_TITLE            = 0x00010000,
            CHANENUM_PATH             = 0x00020000,
            CHANENUM_URL              = 0x00040000,
            CHANENUM_SUBSCRIBESTATE   = 0x00080000
        } CHANNELENUMFLAGS;

cpp_quote("#define CHANENUM_ALLFOLDERS (CHANENUM_CHANNELFOLDER    |    \\")
cpp_quote("                             CHANENUM_SOFTUPDATEFOLDER |    \\")
cpp_quote("                             CHANENUM_DESKTOPFOLDER          )")
cpp_quote("")
cpp_quote("#define CHANENUM_ALLDATA    (CHANENUM_TITLE            |    \\")
cpp_quote("                             CHANENUM_PATH             |    \\")
cpp_quote("                             CHANENUM_URL              |    \\")
cpp_quote("                             CHANENUM_SUBSCRIBESTATE         )")
cpp_quote("")
cpp_quote("#define CHANENUM_ALL        (CHANENUM_CHANNELFOLDER    |    \\")
cpp_quote("                             CHANENUM_SOFTUPDATEFOLDER |    \\")
cpp_quote("                             CHANENUM_DESKTOPFOLDER    |    \\")
cpp_quote("                             CHANENUM_TITLE            |    \\")
cpp_quote("                             CHANENUM_PATH             |    \\")
cpp_quote("                             CHANENUM_URL              |    \\")
cpp_quote("                             CHANENUM_SUBSCRIBESTATE         )")
cpp_quote("")

        HRESULT AddChannelShortcut([in]CHANNELSHORTCUTINFO *pChannelInfo);
        HRESULT DeleteChannelShortcut([in]LPWSTR pszTitle);

        HRESULT AddCategory([in]CHANNELCATEGORYINFO *pCategoryInfo);
        HRESULT DeleteCategory([in]LPWSTR pszTitle);

        HRESULT EnumChannels([in]DWORD dwEnumFlags,
                             [in]LPCWSTR pszURL,  // optional cdf url
                             [out]IEnumChannels** pIEnumChannels); 
    };

    // EnumChannels interface
    [
        uuid(A4C65425-0F82-11d1-90C3-00C04FC2F568),  // IID_IEnumChannels
        helpstring("Channel Enumerator interface"),
        odl
    ]
    interface IEnumChannels : IUnknown
    {
        typedef enum _tagSubcriptionState{
            SUBSTATE_NOTSUBSCRIBED,
            SUBSTATE_PARTIALSUBSCRIPTION,
            SUBSTATE_FULLSUBSCRIPTION
        } SUBSCRIPTIONSTATE;

        typedef struct _tagChannelInfo {
            LPOLESTR          pszTitle;
            LPOLESTR          pszPath;
            LPOLESTR          pszURL;
            SUBSCRIPTIONSTATE stSubscriptionState;
        } CHANNELENUMINFO;

        HRESULT Next(ULONG celt, CHANNELENUMINFO* rgChanInf,
                     ULONG *pceltFetched);
        HRESULT Skip(ULONG celt);
        HRESULT Reset(void);
        HRESULT Clone(IEnumChannels **ppenum);
    };
   
    // ChannelMgr class
    [
        uuid(b3cdae90-d170-11d0-802b-00c04fd75d13), // CLSID_ChannelMgr
        helpstring("ChannelMgr class"),
    ]
    coclass ChannelMgr
    {
        [default] interface IChannelMgr;
    }
}

