/*

    File:       GuyWindow.c

    Contains:   Source demonstrating how to set dock tiles and badges

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

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                expressly stated in this notice, no other rights or licenses, express or implied,

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                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

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    Copyright © 1998-2000 Apple Computer, Inc., All Rights Reserved

*/

#include <Carbon/Carbon.h>

#include "Tiler.h"

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

**  typedefs

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

typedef struct

{

    SInt16      currentFrame;

    SInt16      finalFrame;

    SInt16      increment;

    WindowRef   window;

    Boolean     continuous;

} GuyConversionData;

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

**  prototypes

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

OSStatus GuyWindowEventHandler(

        EventHandlerCallRef     inHandlerCallRef,

        EventRef                inEvent,

        void*                   inUserData );

void DrawGuyWindowContent( WindowRef inWindow );

OSStatus ConvertGuy( WindowRef  inWindow);

void ConvertGuyProc(

        EventLoopTimerRef       inTimer,

        void*                   inUserData );

void StopConvertingGuy(

        EventLoopTimerRef       inTimer,

        GuyConversionData*      inData );

void DoTheGuyProcessing(

        EventLoopTimerRef       inTimer,

        GuyConversionData*      inData );

void DoThePostGuyProcessing(

        EventLoopTimerRef       inTimer,

        GuyConversionData*      inData );

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

**  NewGuyWindow

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

void NewGuyWindow()

{

    IBNibRef            theNibRef;

    WindowRef           theWindow;

    OSStatus            theErr;

    EventHandlerUPP     theWindowEventHandlerUPP;

    // These are the events that we want to handle

    EventTypeSpec       theEvents[] = {

                            { kEventClassCommand, kEventProcessCommand },

                            { kEventClassWindow, kEventWindowDrawContent } };

    // Create a Nib reference passing the name of the nib file (without the .nib

    // extension). CreateNibReference only searches into the application bundle.

    theErr = CreateNibReference(CFSTR("main"), &theNibRef);

    require_noerr( theErr, CantGetNibRef );

    // Then create a window. "MainWindow" is the name of the window object. This

    // name is set in InterfaceBuilder when the nib is created.

    theErr = CreateWindowFromNib(theNibRef, CFSTR("GuyWindow"), &theWindow);

    require_noerr( theErr, CantCreateWindow );

    // We don't need the nib reference anymore.

    DisposeNibReference( theNibRef );

    // Install the command handler so we can see our button clicks

    theWindowEventHandlerUPP = NewEventHandlerUPP( GuyWindowEventHandler );

    require( theWindowEventHandlerUPP != NULL, CantCreateEventHandlerUPP );

    theErr = InstallEventHandler( GetWindowEventTarget( theWindow ),

            theWindowEventHandlerUPP, GetEventTypeCount( theEvents ),

            theEvents, theWindow, NULL);

    require_noerr( theErr, CantInstallEventHandler );

    // Tell the window which picture to draw

    SetWRefCon( theWindow, kDarthGuy );

    // Cascade

    RepositionWindow( theWindow, NULL, kWindowCascadeOnMainScreen );

    // The window was created hidden so show it.

    ShowWindow( theWindow );

CantGetNibRef:

CantCreateWindow:

CantCreateEventHandlerUPP:

CantInstallEventHandler:

    ;

}

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

**  GuyWindowEventHandler

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

OSStatus GuyWindowEventHandler(

    EventHandlerCallRef     inHandlerCallRef,

    EventRef                inEvent,

    void*                   inUserData )

{

    OSStatus        theErr;

    HICommand       theHICommand;

    // Handle HICommands

    if ( GetEventClass( inEvent ) == kEventClassCommand &&

         GetEventKind( inEvent ) == kEventProcessCommand )

    {

        // Extract enough info to glean the commandID

        theErr = GetEventParameter( inEvent, kEventParamDirectObject,

            typeHICommand, NULL, sizeof( HICommand ), NULL,

            &theHICommand);

        require_noerr( theErr, CantGetEventParameter );

        // Handle Tiler commands

        switch ( theHICommand.commandID )

        {

            case kCommandConvertGuy:

                ConvertGuy( ( WindowRef ) inUserData );

                theErr = noErr;

                break;

            default:

                // Let the default handler handle everything else

                theErr = eventNotHandledErr;

        }

    }

    else if ( GetEventClass( inEvent ) == kEventClassWindow &&

              GetEventKind( inEvent) == kEventWindowDrawContent )

    {

        WindowRef   theWindow;

        // Extract enough info to glean the commandID

        theErr = GetEventParameter(

            inEvent, kEventParamDirectObject, typeWindowRef,

            NULL, sizeof( WindowRef ), NULL, &theWindow);

        require_noerr( theErr, CantGetEventParameter );

        DrawGuyWindowContent( theWindow );

    }

    else

    {

        // Let the default handler handle everything else

        theErr = eventNotHandledErr;

    }

CantGetEventParameter:

    return theErr;

}

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

**  DrawGuyWindowContent

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

void DrawGuyWindowContent( WindowRef inWindow )

{

    PicHandle   thePicture;

    Rect        theDestRect = { 13, 36, 141, 164 };

    thePicture = GetPicture( GetWRefCon( inWindow ) );

    if ( thePicture == NULL )

        return;

    DrawPicture( thePicture, &theDestRect );

    ReleaseResource( (Handle) thePicture );

}

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

**  ConvertGuy

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

OSStatus ConvertGuy( WindowRef inWindow )

{

    OSStatus                theErr;

    GuyConversionData*      theData;

    ControlID               theConvertButtonID = { kCommandConvertGuy, 0 };

    ControlRef              theControl;

    // Make the data

    theData = ( GuyConversionData* ) malloc( sizeof( GuyConversionData ) );

    if ( theData == NULL )

        return memFullErr;

    // Set up the data

    theData->currentFrame = kDarthGuy;

    theData->finalFrame = kGuyFull;

    theData->increment = kConvertForwards;

    theData->window = inWindow;

    theData->continuous = false;

    // While "processing", you can't click the button.  Disable it.

    theErr = GetControlByID( inWindow, &theConvertButtonID, &theControl );

    if ( theErr == noErr )

        DisableControl( theControl );

    // Install a timer to simulate the processing of the image

    theErr = InstallEventLoopTimer(

        GetCurrentEventLoop(), kTimerFrequency, kTimerFrequency, ConvertGuyProc,

        theData, NULL );

    return theErr;

}

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

**  StopConvertingGuy

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

void StopConvertingGuy(

    EventLoopTimerRef       inTimer,

    GuyConversionData*      inData )

{

    ControlID               theConvertButtonID = { kCommandConvertGuy, 0 };

    OSStatus                theErr;

    ControlRef              theControl;

    // Enable the convert control

    theErr = GetControlByID( inData->window, &theConvertButtonID, &theControl );

    if ( theErr == noErr )

        EnableControl( theControl );

    // Dispose of the timer

    RemoveEventLoopTimer( inTimer );

    // Update the tile to assure that it matches the final state

    UpdateCollapsedWindowDockTile( inData->window );

    // We're done with the user data, too

    free( inData );

}

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

**  DoTheGuyProcessing

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

void DoTheGuyProcessing(

    EventLoopTimerRef       inTimer,

    GuyConversionData*      inData )

{

    Rect                    theDestRect = { 13, 36, 141, 164 };

    GrafPtr                 theSavedPort;

    // If the animation has been cancelled

    if ( GetWRefCon( inData->window ) == 0 )

    {

        StopConvertingGuy( inTimer, inData );

        return;

    }

    // Next image

    inData->currentFrame += inData->increment;

    GetPort( &theSavedPort );

    SetPort( GetWindowPort( inData->window ) );

    // Let the window know which image it needs to draw

    SetWRefCon( inData->window, inData->currentFrame );

    // Mark for redrawing

    InvalWindowRect( inData->window, &theDestRect );

    SetPort( theSavedPort );

}

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

**  DoThePostGuyProcessing

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

void DoThePostGuyProcessing(

    EventLoopTimerRef       inTimer,

    GuyConversionData*      inData )

{

    // If this is the last one

    if ( inData->currentFrame == inData->finalFrame )

    {

        if ( inData->continuous == true )

        {

            // Reverse the animation

            inData->increment = - inData->increment;

            if ( inData->finalFrame == kDarthGuy )

                inData->finalFrame = kGuyFull;

            else

                inData->finalFrame = kDarthGuy;

        }

        else

        {

            // All done!

            StopConvertingGuy( inTimer, inData );

        }

    }

}

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

**  ConvertGuyProc

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

void ConvertGuyProc(

    EventLoopTimerRef       inTimer,

    void*                   inUserData )

{

    GuyConversionData*      theData = ( GuyConversionData* ) inUserData;

    DoTheGuyProcessing( inTimer, theData );

    // ***

    //

    // Tell the collapsed window tile to look like the window

    //

    // ***

    UpdateCollapsedWindowDockTile( theData->window );

    DoThePostGuyProcessing( inTimer, theData );

}