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diff --git a/WebKit/mac/Plugins/npapi.mm b/WebKit/mac/Plugins/npapi.mm
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+/*
+ * 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.
+ */
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+#import <WebKit/npapi.h>
+#import <WebKit/nptextinput.h>
+
+#import "WebBaseNetscapePluginView.h"
+#import "WebKitLogging.h"
+#import <WebCore/PluginMainThreadScheduler.h>
+
+using namespace WebCore;
+
+WebBaseNetscapePluginView *pluginViewForInstance(NPP instance);
+
+// general plug-in to browser functions
+
+void* NPN_MemAlloc(uint32 size)
+{
+    return malloc(size);
+}
+
+void NPN_MemFree(void* ptr)
+{
+    free(ptr);
+}
+
+uint32 NPN_MemFlush(uint32 size)
+{
+    LOG(Plugins, "NPN_MemFlush");
+    return size;
+}
+
+void NPN_ReloadPlugins(NPBool reloadPages)
+{
+    LOG(Plugins, "NPN_ReloadPlugins");
+}
+
+NPError NPN_RequestRead(NPStream* stream, NPByteRange* rangeList)
+{
+    LOG(Plugins, "NPN_RequestRead");
+    return NPERR_GENERIC_ERROR;
+}
+
+// instance-specific functions
+// The plugin view is always the ndata of the instance. Sometimes, plug-ins will call an instance-specific function
+// with a NULL instance. To workaround this, call the last plug-in view that made a call to a plug-in.
+// Currently, the current plug-in view is only set before NPP_New in [WebBaseNetscapePluginView start].
+// This specifically works around Flash and Shockwave. When we call NPP_New, they call NPN_UserAgent with a NULL instance.
+WebBaseNetscapePluginView *pluginViewForInstance(NPP instance)
+{
+    if (instance && instance->ndata)
+        return (WebBaseNetscapePluginView *)instance->ndata;
+    else
+        return [WebBaseNetscapePluginView currentPluginView];
+}
+
+NPError NPN_GetURLNotify(NPP instance, const char* URL, const char* target, void* notifyData)
+{
+    return [pluginViewForInstance(instance) getURLNotify:URL target:target notifyData:notifyData];
+}
+
+NPError NPN_GetURL(NPP instance, const char* URL, const char* target)
+{
+    return [pluginViewForInstance(instance) getURL:URL target:target];
+}
+
+NPError NPN_PostURLNotify(NPP instance, const char* URL, const char* target, uint32 len, const char* buf, NPBool file, void* notifyData)
+{
+    return [pluginViewForInstance(instance) postURLNotify:URL target:target len:len buf:buf file:file notifyData:notifyData];
+}
+
+NPError NPN_PostURL(NPP instance, const char* URL, const char* target, uint32 len, const char* buf, NPBool file)
+{
+    return [pluginViewForInstance(instance) postURL:URL target:target len:len buf:buf file:file];
+}
+
+NPError NPN_NewStream(NPP instance, NPMIMEType type, const char* target, NPStream** stream)
+{
+    return [pluginViewForInstance(instance) newStream:type target:target stream:stream];
+}
+
+int32 NPN_Write(NPP instance, NPStream* stream, int32 len, void* buffer)
+{
+    return [pluginViewForInstance(instance) write:stream len:len buffer:buffer];
+}
+
+NPError NPN_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
+{
+    return [pluginViewForInstance(instance) destroyStream:stream reason:reason];
+}
+
+const char* NPN_UserAgent(NPP instance)
+{
+    return [pluginViewForInstance(instance) userAgent];
+}
+
+void NPN_Status(NPP instance, const char* message)
+{
+    [pluginViewForInstance(instance) status:message];
+}
+
+void NPN_InvalidateRect(NPP instance, NPRect *invalidRect)
+{
+    [pluginViewForInstance(instance) invalidateRect:invalidRect];
+}
+
+void NPN_InvalidateRegion(NPP instance, NPRegion invalidRegion)
+{
+    [pluginViewForInstance(instance) invalidateRegion:invalidRegion];
+}
+
+void NPN_ForceRedraw(NPP instance)
+{
+    [pluginViewForInstance(instance) forceRedraw];
+}
+
+NPError NPN_GetValue(NPP instance, NPNVariable variable, void *value)
+{
+    return [pluginViewForInstance(instance) getVariable:variable value:value];
+}
+
+NPError NPN_SetValue(NPP instance, NPPVariable variable, void *value)
+{
+    return [pluginViewForInstance(instance) setVariable:variable value:value];
+}
+
+// Unsupported functions
+
+void* NPN_GetJavaEnv(void)
+{
+    LOG(Plugins, "NPN_GetJavaEnv");
+    return NULL;
+}
+
+void* NPN_GetJavaPeer(NPP instance)
+{
+    LOG(Plugins, "NPN_GetJavaPeer");
+    return NULL;
+}
+
+void NPN_PushPopupsEnabledState(NPP instance, NPBool enabled)
+{
+}
+
+void NPN_PopPopupsEnabledState(NPP instance)
+{
+}
+
+void NPN_PluginThreadAsyncCall(NPP instance, void (*func) (void *), void *userData)
+{
+    PluginMainThreadScheduler::scheduler().scheduleCall(instance, func, userData);
+}
+
+uint32 NPN_ScheduleTimer(NPP instance, uint32 interval, NPBool repeat, void (*timerFunc)(NPP npp, uint32 timerID))
+{
+    return [pluginViewForInstance(instance) scheduleTimerWithInterval:interval repeat:repeat timerFunc:timerFunc];
+}
+
+void NPN_UnscheduleTimer(NPP instance, uint32 timerID)
+{
+    [pluginViewForInstance(instance) unscheduleTimer:timerID];
+}
+
+NPError NPN_PopUpContextMenu(NPP instance, NPMenu *menu)
+{
+    return [pluginViewForInstance(instance) popUpContextMenu:menu];
+}
+
+void NPN_MarkedTextAbandoned(NPP instance)
+{
+    WebBaseNetscapePluginView *pluginView = pluginViewForInstance(instance);
+    
+    [[NSInputManager currentInputManager] markedTextAbandoned:pluginView];
+}
+
+void NPN_MarkedTextSelectionChanged(NPP instance, NSRange newSel)
+{
+    WebBaseNetscapePluginView *pluginView = pluginViewForInstance(instance);
+    
+    [[NSInputManager currentInputManager] markedTextSelectionChanged:newSel client:pluginView];
+}
+
+#endif