webengine/osswebengine/WebKit/Carbon/CarbonUtils.m
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKit/Carbon/CarbonUtils.m	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __LP64__
+
+#include "CarbonUtils.h"
+#import <WebKitSystemInterface.h>
+
+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);
+
+static void				PoolCleaner( EventLoopTimerRef inTimer, EventLoopIdleTimerMessage inState, void *inUserData );
+
+static NSAutoreleasePool*	sPool;
+static unsigned numPools;
+static EventLoopRef poolLoop;
+
+void                    HIWebViewRegisterClass( void );
+
+void
+WebInitForCarbon()
+{
+    static bool			sAppKitLoaded;
+
+    if ( !sAppKitLoaded )
+    {
+        ProcessSerialNumber    process;
+
+        // Force us to register with process server, this ensure that the process
+        // "flavour" is correctly established.
+        GetCurrentProcess( &process ); 
+        NSApplicationLoad();
+                
+        sPool = [[NSAutoreleasePool allocWithZone:NULL] init];
+        numPools = WKGetNSAutoreleasePoolCount();
+        
+        poolLoop = GetCurrentEventLoop ();
+
+        InstallEventLoopIdleTimer( GetMainEventLoop(), 1.0, 0, PoolCleaner, 0, NULL );
+        
+        sAppKitLoaded = true;
+                
+        HIWebViewRegisterClass();
+    }
+}
+
+/*
+    The pool cleaner is required because Carbon applications do not have
+    an autorelease pool provided by their event loops.  Importantly,
+    carbon applications that nest event loops, using any of the various
+    techniques available to Carbon apps, MUST create their our pools around
+    their nested event loops.
+*/
+static void
+PoolCleaner( EventLoopTimerRef inTimer, EventLoopIdleTimerMessage inState, void *inUserData )
+{
+    if ( inState == kEventLoopIdleTimerStarted ) {
+        CFStringRef mode = CFRunLoopCopyCurrentMode( (CFRunLoopRef)GetCFRunLoopFromEventLoop( GetCurrentEventLoop() ));
+        EventLoopRef thisLoop = GetCurrentEventLoop ();
+        if ( CFEqual( mode, kCFRunLoopDefaultMode ) && thisLoop == poolLoop) {
+            unsigned currentNumPools = WKGetNSAutoreleasePoolCount()-1;            
+            if (currentNumPools == numPools){
+                [sPool drain];
+                
+                sPool = [[NSAutoreleasePool allocWithZone:NULL] init];
+                numPools = WKGetNSAutoreleasePoolCount();
+            }
+        }
+        CFRelease( mode );
+    }
+}
+
+CGImageRef
+WebConvertNSImageToCGImageRef(
+	NSImage*         inImage )
+{
+	NSArray*				reps = [inImage representations];
+	NSBitmapImageRep*		rep = NULL;
+	CGImageRef				image = NULL;
+	unsigned				i;
+
+	for ( i=0; i < [reps count]; i++ )
+	{
+        if ( [[reps objectAtIndex:i] isKindOfClass:[NSBitmapImageRep class]] )
+        {
+            rep = [reps objectAtIndex:i];
+            break;
+        }
+	}
+    
+	if ( rep )
+	{
+        //CGColorSpaceRef csync = (CGColorSpaceRef)[rep valueForProperty:NSImageColorSyncProfileData];
+        
+        unsigned char* planes[5];
+
+        [rep getBitmapDataPlanes:planes];
+
+        image = _NSCreateImageRef( planes, [rep pixelsWide], [rep pixelsHigh],
+                    [rep bitsPerSample], [rep samplesPerPixel], [rep bitsPerPixel],
+                    [rep bytesPerRow], [rep isPlanar], [rep hasAlpha], [rep colorSpaceName],
+                    NULL, rep);
+	}
+    
+	return image;
+}
+
+#endif