diff -r 000000000000 -r 4f2f89ce4247 WebKit/mac/Plugins/WebPluginContainerCheck.mm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Plugins/WebPluginContainerCheck.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2005, 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. 
+ * 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.
+ */
+
+#import "WebPluginContainerCheck.h"
+
+#import "WebFrameInternal.h"
+#import "WebPluginContainerPrivate.h"
+#import "WebPluginController.h"
+#import "WebPolicyDelegatePrivate.h"
+#import "WebView.h"
+#import "WebViewInternal.h"
+#import <Foundation/NSDictionary.h>
+#import <Foundation/NSURL.h>
+#import <Foundation/NSURLRequest.h>
+#import <WebCore/Frame.h>
+#import <WebCore/FrameLoader.h>
+#import <WebCore/FrameLoaderTypes.h>
+#import <WebCore/SecurityOrigin.h>
+#import <wtf/Assertions.h>
+#import <objc/objc-runtime.h>
+
+using namespace WebCore;
+
+@implementation WebPluginContainerCheck
+
+- (id)initWithRequest:(NSURLRequest *)request target:(NSString *)target resultObject:(id)obj selector:(SEL)selector controller:(id <WebPluginContainerCheckController>)controller contextInfo:(id)contextInfo /*optional*/
+{
+    if (!(self = [super init]))
+        return nil;
+    
+    _request = [request copy];
+    _target = [target copy];
+    _resultObject = [obj retain];
+    _resultSelector = selector;
+    _contextInfo = [contextInfo retain];
+    
+    // controller owns us so don't retain, to avoid cycle
+    _controller = controller;
+    
+    return self;
+}
+
++ (id)checkWithRequest:(NSURLRequest *)request target:(NSString *)target resultObject:(id)obj selector:(SEL)selector controller:(id <WebPluginContainerCheckController>)controller contextInfo:(id)contextInfo /*optional*/
+{
+    return [[[self alloc] initWithRequest:request target:target resultObject:obj selector:selector controller:controller contextInfo:contextInfo] autorelease];
+}
+
+- (void)finalize
+{
+    // mandatory to complete or cancel before releasing this object
+    ASSERT(_done);
+    [super finalize];
+}
+
+- (void)dealloc
+{
+    // mandatory to complete or cancel before releasing this object
+    ASSERT(_done);
+    [super dealloc];
+}
+
+- (void)_continueWithPolicy:(PolicyAction)policy
+{
+    if (_contextInfo)
+        ((void (*)(id, SEL, BOOL, id))objc_msgSend)(_resultObject, _resultSelector, (policy == PolicyUse), _contextInfo);
+    else     
+        ((void (*)(id, SEL, BOOL))objc_msgSend)(_resultObject, _resultSelector, (policy == PolicyUse));
+
+    // this will call indirectly call cancel
+    [_controller _webPluginContainerCancelCheckIfAllowedToLoadRequest:self];
+}
+
+- (BOOL)_isForbiddenFileLoad
+{
+   Frame* coreFrame = core([_controller webFrame]);
+   ASSERT(coreFrame);
+   if (!SecurityOrigin::canLoad([_request URL], String(), coreFrame->document())) {
+       [self _continueWithPolicy:PolicyIgnore];
+       return YES;
+   }
+
+   return NO;
+}
+
+- (NSDictionary *)_actionInformationWithURL:(NSURL *)URL
+{
+    return [NSDictionary dictionaryWithObjectsAndKeys:
+               [NSNumber numberWithInt:WebNavigationTypePlugInRequest], WebActionNavigationTypeKey,
+               [NSNumber numberWithInt:0], WebActionModifierFlagsKey,
+               URL, WebActionOriginalURLKey,
+               nil];
+}
+
+- (void)_askPolicyDelegate
+{
+    WebView *webView = [_controller webView];
+
+    WebFrame *targetFrame;
+    if ([_target length] > 0) {
+        targetFrame = [[_controller webFrame] findFrameNamed:_target];
+    } else {
+        targetFrame = [_controller webFrame];
+    }
+
+    NSDictionary *action = [self _actionInformationWithURL:[_request URL]];
+
+    _listener = [[WebPolicyDecisionListener alloc] _initWithTarget:self action:@selector(_continueWithPolicy:)];
+
+    if (targetFrame == nil) {
+        // would open new window
+        [[webView _policyDelegateForwarder] webView:webView
+                     decidePolicyForNewWindowAction:action
+                                            request:_request
+                                       newFrameName:_target
+                                   decisionListener:_listener];
+    } else {
+        // would target existing frame
+        [[webView _policyDelegateForwarder] webView:webView
+                    decidePolicyForNavigationAction:action
+                                            request:_request
+                                              frame:targetFrame
+                                   decisionListener:_listener];        
+    }
+}
+
+- (void)start
+{
+    ASSERT(!_listener);
+    ASSERT(!_done);
+
+    if ([self _isForbiddenFileLoad])
+        return;
+
+    [self _askPolicyDelegate];
+}
+
+- (void)cancel
+{
+    if (_done)
+        return;
+
+    [_request release];
+    _request = nil;
+    
+    [_target release];
+    _target = nil;
+
+    [_listener _invalidate];
+    [_listener release];
+    _listener = nil;
+
+    [_resultObject autorelease];
+    _resultObject = nil;
+
+    _controller = nil;
+    
+    [_contextInfo release];
+    _contextInfo = nil;
+
+    _done = YES;
+}
+
+- (id)contextInfo
+{
+    return _contextInfo;   
+}
+
+@end