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      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
    133