1 /*

     2  * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  *

     8  * 1.  Redistributions of source code must retain the above copyright

     9  *     notice, this list of conditions and the following disclaimer. 

    10  * 2.  Redistributions in binary form must reproduce the above copyright

    11  *     notice, this list of conditions and the following disclaimer in the

    12  *     documentation and/or other materials provided with the distribution. 

    13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    14  *     its contributors may be used to endorse or promote products derived

    15  *     from this software without specific prior written permission. 

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    27  */

    28 

    29 #ifndef __LP64__

    30 

    31 #include "CarbonUtils.h"

    32 #import <WebKitSystemInterface.h>

    33 

    34 extern CGImageRef _NSCreateImageRef( unsigned char *const bitmapData[5], int pixelsWide, int pixelsHigh, int bitsPerSample, int samplesPerPixel, int bitsPerPixel, int bytesPerRow, BOOL isPlanar, BOOL hasAlpha, NSString *colorSpaceName, CGColorSpaceRef customColorSpace, id sourceObj);

    35 

    36 static void				PoolCleaner( EventLoopTimerRef inTimer, EventLoopIdleTimerMessage inState, void *inUserData );

    37 

    38 static NSAutoreleasePool*	sPool;

    39 static unsigned numPools;

    40 static EventLoopRef poolLoop;

    41 

    42 void                    HIWebViewRegisterClass( void );

    43 

    44 void

    45 WebInitForCarbon()

    46 {

    47     static bool			sAppKitLoaded;

    48 

    49     if ( !sAppKitLoaded )

    50     {

    51         ProcessSerialNumber    process;

    52 

    53         // Force us to register with process server, this ensure that the process

    54         // "flavour" is correctly established.

    55         GetCurrentProcess( &process ); 

    56         NSApplicationLoad();

    57                 

    58         sPool = [[NSAutoreleasePool allocWithZone:NULL] init];

    59         numPools = WKGetNSAutoreleasePoolCount();

    60         

    61         poolLoop = GetCurrentEventLoop ();

    62 

    63         InstallEventLoopIdleTimer( GetMainEventLoop(), 1.0, 0, PoolCleaner, 0, NULL );

    64         

    65         sAppKitLoaded = true;

    66                 

    67         HIWebViewRegisterClass();

    68     }

    69 }

    70 

    71 /*

    72     The pool cleaner is required because Carbon applications do not have

    73     an autorelease pool provided by their event loops.  Importantly,

    74     carbon applications that nest event loops, using any of the various

    75     techniques available to Carbon apps, MUST create their our pools around

    76     their nested event loops.

    77 */

    78 static void

    79 PoolCleaner( EventLoopTimerRef inTimer, EventLoopIdleTimerMessage inState, void *inUserData )

    80 {

    81     if ( inState == kEventLoopIdleTimerStarted ) {

    82         CFStringRef mode = CFRunLoopCopyCurrentMode( (CFRunLoopRef)GetCFRunLoopFromEventLoop( GetCurrentEventLoop() ));

    83         EventLoopRef thisLoop = GetCurrentEventLoop ();

    84         if ( CFEqual( mode, kCFRunLoopDefaultMode ) && thisLoop == poolLoop) {

    85             unsigned currentNumPools = WKGetNSAutoreleasePoolCount()-1;            

    86             if (currentNumPools == numPools){

    87                 [sPool drain];

    88                 

    89                 sPool = [[NSAutoreleasePool allocWithZone:NULL] init];

    90                 numPools = WKGetNSAutoreleasePoolCount();

    91             }

    92         }

    93         CFRelease( mode );

    94     }

    95 }

    96 

    97 CGImageRef

    98 WebConvertNSImageToCGImageRef(

    99 	NSImage*         inImage )

   100 {

   101 	NSArray*				reps = [inImage representations];

   102 	NSBitmapImageRep*		rep = NULL;

   103 	CGImageRef				image = NULL;

   104 	unsigned				i;

   105 

   106 	for ( i=0; i < [reps count]; i++ )

   107 	{

   108         if ( [[reps objectAtIndex:i] isKindOfClass:[NSBitmapImageRep class]] )

   109         {

   110             rep = [reps objectAtIndex:i];

   111             break;

   112         }

   113 	}

   114     

   115 	if ( rep )

   116 	{

   117         //CGColorSpaceRef csync = (CGColorSpaceRef)[rep valueForProperty:NSImageColorSyncProfileData];

   118         

   119         unsigned char* planes[5];

   120 

   121         [rep getBitmapDataPlanes:planes];

   122 

   123         image = _NSCreateImageRef( planes, [rep pixelsWide], [rep pixelsHigh],

   124                     [rep bitsPerSample], [rep samplesPerPixel], [rep bitsPerPixel],

   125                     [rep bytesPerRow], [rep isPlanar], [rep hasAlpha], [rep colorSpaceName],

   126                     NULL, rep);

   127 	}

   128     

   129 	return image;

   130 }

   131 

   132 #endif