303 lines
7.7 KiB
C
303 lines
7.7 KiB
C
//
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// DC-Share Stuff
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//
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#ifndef _H_DCS
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#define _H_DCS
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//
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// RESOURCES
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//
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#include <resource.h>
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//
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// We piggyback some extra flags into the ExtTextOut options. We must
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// ensure that we dont clash with the Windows defined ones.
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//
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#define ETO_WINDOWS (0x0001 | ETO_OPAQUE | ETO_CLIPPED)
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#define ETO_LPDX 0x8000U
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//
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// Debugging Options (also in retail)
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//
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// NOTE: THESE MUST STAY IN SYNC WITH WHAT'S in \ui\conf\dbgmenu.*
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//
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// View one's own shared stuff in a frame to see what others are getting
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#define VIEW_INI_VIEWSELF "ViewOwnSharedStuff"
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// Hatch the areas sent as screen data from the host when viewing them
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#define USR_INI_HATCHSCREENDATA "HatchScreenData"
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// Hatch the areas sent as bitmap orders from the host when viewing them
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#define USR_INI_HATCHBMPORDERS "HatchBitmapOrders"
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// Turn off flow control
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#define S20_INI_NOFLOWCONTROL "NoFlowControl"
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// Turn off OM compression
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#define OM_INI_NOCOMPRESSION "NoOMCompression"
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//
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// Change compression type (bunch of bit flags)
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// 0x0000 (CT_NONE) is no compression
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// 0x0001 (CT_PKZIP) is non-persistent dictionary PKZIP
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// 0x0002 (CT_PERSIST_PKZIP) is persistent dictionary PKZIP
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//
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// Default value is 0x0003 (pkzip + persist pkzip)
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//
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#define GDC_INI_COMPRESSION "GDCCompression"
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//
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// Change 2nd level order encoding (bunch of bitflags)
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// 0x0001 (CAPS_ENCODING_BASE_OE)
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// 0x0002 (CAPS_ENCODING_OE2_NEGOTIABLE)
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// 0x0004 (CAPS_ENCODING_OE2_DISABLED)
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// 0x0008 (CAPS_ENCODING_ALIGNED_OE)
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//
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// Default value is 0x0002
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// To turn off 2nd level encoding, use 0x0006 (negotiable + disabled)
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//
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#define OE2_INI_2NDORDERENCODING "2ndLevelOrderEncoding"
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//
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// Speedy link constant
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//
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#define DCS_FAST_THRESHOLD 50000
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//
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// We will not compress packets smaller than this, whatever the link speed
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//
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#define DCS_MIN_COMPRESSABLE_PACKET 256
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//
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// We will not compress packets smaller than this on a fast link
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// NOTE that is is the largest single T.120 preallocated packet size.
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//
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#define DCS_MIN_FAST_COMPRESSABLE_PACKET 8192
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//
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// We will not try to persistently compress packets larger than this
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//
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#define DCS_MAX_PDC_COMPRESSABLE_PACKET 4096
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//
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// Frequency (ms) with which the core performs timer tasks
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//
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// VOLUME_SAMPLE is the time beyond which we will take another sample of
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// the bounds accumulation data. If the screendata accumulated in this
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// time is less than BOUNDS_ACCUM then we will try and send it immediately
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// otherwise we wait until the orders have slowed down.
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//
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// UPDATE_PERIOD is the absolute maximum time between attempts to send data
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//
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// ANIMATION_SLOWDOWN id how many times we attempt to send mem-scrn blits
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// over a PSTN connection.
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//
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// ANIMATION_DETECTION the interval, in mS, below which we determine the
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// app is performing animation. Must be low otherwise we slowdown during
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// rapid typing. The algorithm simply looks for repeated memblts to the
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// same area
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//
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// DCS_ORDERS_TURNOFF_FREQUENCY
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// The frequency of orders above which we start time slicing order
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// transmission in order to give the host system a chance to draw the
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// orders without having to send them in individual network packets.
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//
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// DCS_BOUNDS_TURNOFF_RATE
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// Very important for performance of typing in Word that this value is not
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// too low, since Word can generate 50K per keystroke. On the other hand,
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// it is important not to allow the capture of screendata until after an
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// app that does a lot of blitting to the screen has finished.
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//
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// DCS_BOUNDS_IMMEDIATE_RATE
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// To avoid sending excessive amounts of screendata we only send at the
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// most ten times per second. However, if the volumes are small then we
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// override this to reduce latency
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//
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//
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// The other rates control individual timer functions - see adcsapi.c for
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// further details
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// Note that the IM period is less than the likely rate of this function
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// being scheduled. This is set low so that we will, in general, call IM
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// periodic every time to keep mouse moves flowing, but it will not be
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// called repeatedly if there are several wakeups pending within a single
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// scheduling cycle.
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//
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//
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#define DCS_VOLUME_SAMPLE 500
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#define DCS_BOUNDS_TURNOFF_RATE 400000
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#define DCS_BOUNDS_IMMEDIATE_RATE 100000
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#define DCS_ORDERS_TURNOFF_FREQUENCY 100
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#define DCS_SD_UPDATE_SHORT_PERIOD 100
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#define DCS_SD_UPDATE_LONG_PERIOD 5000
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#define DCS_ORDER_UPDATE_PERIOD 100
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#define DCS_FAST_MISC_PERIOD 200
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#define DCS_IM_PERIOD 80
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//
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// Special Messages to synchronize APIs etc.
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//
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#if defined(DLL_CORE) || defined(DLL_HOOK)
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#define DCS_FIRST_MSG WM_APP
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enum
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{
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DCS_FINISH_INIT_MSG = DCS_FIRST_MSG,
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DCS_PERIODIC_SCHEDULE_MSG,
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DCS_KILLSHARE_MSG,
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DCS_SHARE_MSG,
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DCS_UNSHARE_MSG,
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DCS_NEWTOPLEVEL_MSG,
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DCS_RECOUNTTOPLEVEL_MSG,
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DCS_TAKECONTROL_MSG,
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DCS_CANCELTAKECONTROL_MSG,
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DCS_RELEASECONTROL_MSG,
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DCS_PASSCONTROL_MSG,
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DCS_ALLOWCONTROL_MSG,
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DCS_GIVECONTROL_MSG,
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DCS_CANCELGIVECONTROL_MSG,
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DCS_REVOKECONTROL_MSG,
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DCS_PAUSECONTROL_MSG
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};
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#endif // DLL_CORE or DLL_HOOK
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//
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//
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// PROTOTYPES
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//
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//
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BOOL DCS_Init(void);
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void DCS_FinishInit(void);
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void DCS_Term(void);
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//
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// DCS_NotifyUI()
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//
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// DESCRIPTION:
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// Called by app sharing to notify the front end of various changes and
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// actions.
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//
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void DCS_NotifyUI(UINT event, UINT parm1, UINT parm2);
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void DCSLocalDesktopSizeChanged( UINT width, UINT height );
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#define DCS_MAIN_WINDOW_CLASS "AS_MainWindow"
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LRESULT CALLBACK DCSMainWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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#define SHP_POLICY_NOAPPSHARING 0x0001
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#define SHP_POLICY_NOSHARING 0x0002
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#define SHP_POLICY_NODOSBOXSHARE 0x0004
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#define SHP_POLICY_NOEXPLORERSHARE 0x0008
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#define SHP_POLICY_SHAREMASK (SHP_POLICY_NODOSBOXSHARE | SHP_POLICY_NOEXPLORERSHARE)
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#define SHP_POLICY_NODESKTOPSHARE 0x0010
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#define SHP_POLICY_NOTRUECOLOR 0x0020
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#define SHP_POLICY_NOCONTROL 0x2000
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#define SHP_POLICY_NOOLDWHITEBOARD 0x8000
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#define SHP_SETTING_TRUECOLOR 0x0001
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//
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// EVENTS
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//
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enum
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{
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SH_EVT_APPSHARE_READY = SPI_BASE_EVENT,
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SH_EVT_SHARE_STARTED,
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SH_EVT_SHARING_STARTED,
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SH_EVT_SHARE_ENDED,
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SH_EVT_PERSON_JOINED,
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SH_EVT_PERSON_LEFT,
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SH_EVT_CONTROLLABLE,
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SH_EVT_STARTCONTROLLED,
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SH_EVT_STOPCONTROLLED,
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SH_EVT_PAUSEDCONTROLLED,
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SH_EVT_UNPAUSEDCONTROLLED,
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SH_EVT_STARTINCONTROL,
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SH_EVT_STOPINCONTROL,
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SH_EVT_PAUSEDINCONTROL,
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SH_EVT_UNPAUSEDINCONTROL
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};
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//
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// Function PROTOTYPES
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//
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#if defined(DLL_CORE)
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#include <ias.h>
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HRESULT SHP_GetPersonStatus(UINT dwID, IAS_PERSON_STATUS * pStatus);
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#define SHP_DESKTOP_PROCESS 0xFFFFFFFF
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HRESULT SHP_LaunchHostUI(void);
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BOOL SHP_Share(HWND hwnd, IAS_SHARE_TYPE uType);
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HRESULT SHP_Unshare(HWND hwnd);
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//
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// COLLABORATION
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//
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HRESULT SHP_TakeControl(IAS_GCC_ID PersonOf);
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HRESULT SHP_CancelTakeControl(IAS_GCC_ID PersonOf);
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HRESULT SHP_ReleaseControl(IAS_GCC_ID PersonOf);
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HRESULT SHP_PassControl(IAS_GCC_ID PersonOf, UINT PersonTo);
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HRESULT SHP_AllowControl(BOOL fAllow);
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HRESULT SHP_GiveControl(IAS_GCC_ID PersonTo);
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HRESULT SHP_CancelGiveControl(IAS_GCC_ID PersonTo);
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HRESULT SHP_RevokeControl(IAS_GCC_ID PersonTo);
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HRESULT SHP_PauseControl(IAS_GCC_ID PersonControlledBy, BOOL fPaused);
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void DCS_Share(HWND hwnd, IAS_SHARE_TYPE uType);
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void DCS_Unshare(HWND hwnd);
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#endif // DLL_CORE
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#endif // _H_DCS
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