WebKit/mac/Misc/WebIconFetcher.mm
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Misc/WebIconFetcher.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2008 Apple 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
+ * 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. 
+ */
+
+#import "WebIconFetcher.h"
+
+#import "WebFrameInternal.h"
+#import "WebIconFetcherInternal.h"
+
+#import <WebCore/Frame.h>
+#import <WebCore/IconFetcher.h>
+#import <WebCore/SharedBuffer.h>
+#import <wtf/PassRefPtr.h>
+
+using namespace WebCore;
+
+class WebIconFetcherClient : public IconFetcherClient {
+public:
+    WebIconFetcherClient(id target, SEL selector)
+        : m_target(target)
+        , m_selector(selector)
+    {
+    }
+
+    virtual void finishedFetchingIcon(PassRefPtr<SharedBuffer> iconData)
+    {
+        RetainPtr<NSData> data;
+        if (iconData)
+            data = iconData->createNSData();
+        
+        [m_target performSelector:m_selector withObject:m_fetcher.get() withObject:data.get()];
+
+        delete this;
+    }
+
+    void setFetcher(WebIconFetcher *fetcher) { m_fetcher = fetcher; }
+    
+private:
+    RetainPtr<WebIconFetcher> m_fetcher;
+    id m_target;
+    SEL m_selector;
+};
+
+@implementation WebIconFetcher
+
+- (id)init
+{
+    return nil;
+}
+
+- (void)dealloc
+{
+    if (_private)
+        reinterpret_cast<IconFetcher*>(_private)->deref();
+    
+    [super dealloc];
+}
+
+- (void)finalize
+{
+    if (_private)
+        reinterpret_cast<IconFetcher*>(_private)->deref();
+    
+    [super finalize];
+}
+
+- (void)cancel
+{
+    reinterpret_cast<IconFetcher*>(_private)->cancel();
+}
+
+@end
+
+@implementation WebIconFetcher (WebInternal)
+
+- (id)_initWithIconFetcher:(PassRefPtr<IconFetcher>)iconFetcher client:(WebIconFetcherClient *)client
+{
+    ASSERT(iconFetcher);
+    
+    self = [super init];
+    if (!self)
+        return nil;
+
+    client->setFetcher(self);
+    _private = reinterpret_cast<WebIconFetcherPrivate*>(iconFetcher.releaseRef());
+
+    return self;
+}
+
++ (WebIconFetcher *)_fetchApplicationIconForFrame:(WebFrame *)webFrame
+                                           target:(id)target
+                                         selector:(SEL)selector
+{
+    Frame* frame = core(webFrame);
+    
+    WebIconFetcherClient* client = new WebIconFetcherClient(target, selector);
+    
+    RefPtr<IconFetcher> fetcher = IconFetcher::create(frame, client);
+    
+    if (!fetcher)
+        return nil;
+    
+    return [[[WebIconFetcher alloc] _initWithIconFetcher:fetcher.release() client:client] autorelease];
+}
+
+@end
+