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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,  REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND  WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR  OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */#import <WebKit/npapi.h>#import <WebKit/npfunctions.h>#import <WebKit/npruntime.h>#import <WebKit/nptextinput.h>#import <Cocoa/Cocoa.h>// Browser function tablestatic NPNetscapeFuncs* browser;// Structure for per-instance storagetypedef struct PluginObject{    NPP npp;        NPWindow window;        bool pluginHasFocus;        bool textFieldHasFocus;    NSRect textFieldRect;        NSRange markedRange;    NSRange selectedRange;    NSTextStorage *textStorage;    NSLayoutManager *layoutManager;    NSTextContainer *textContainer;    } PluginObject;NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved);NPError NPP_Destroy(NPP instance, NPSavedData** save);NPError NPP_SetWindow(NPP instance, NPWindow* window);NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype);NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason);int32 NPP_WriteReady(NPP instance, NPStream* stream);int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer);void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname);void NPP_Print(NPP instance, NPPrint* platformPrint);int16 NPP_HandleEvent(NPP instance, void* event);void NPP_URLNotify(NPP instance, const char* URL, NPReason reason, void* notifyData);NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value);NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value);#pragma export on// Mach-o entry pointsNPError NP_Initialize(NPNetscapeFuncs *browserFuncs);NPError NP_GetEntryPoints(NPPluginFuncs *pluginFuncs);void NP_Shutdown(void);#pragma export offNPError NP_Initialize(NPNetscapeFuncs* browserFuncs){    browser = browserFuncs;    return NPERR_NO_ERROR;}NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs){    pluginFuncs->version = 11;    pluginFuncs->size = sizeof(pluginFuncs);    pluginFuncs->newp = NPP_New;    pluginFuncs->destroy = NPP_Destroy;    pluginFuncs->setwindow = NPP_SetWindow;    pluginFuncs->newstream = NPP_NewStream;    pluginFuncs->destroystream = NPP_DestroyStream;    pluginFuncs->asfile = NPP_StreamAsFile;    pluginFuncs->writeready = NPP_WriteReady;    pluginFuncs->write = (NPP_WriteProcPtr)NPP_Write;    pluginFuncs->print = NPP_Print;    pluginFuncs->event = NPP_HandleEvent;    pluginFuncs->urlnotify = NPP_URLNotify;    pluginFuncs->getvalue = NPP_GetValue;    pluginFuncs->setvalue = NPP_SetValue;        return NPERR_NO_ERROR;}void NP_Shutdown(void){}NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc, char* argn[], char* argv[], NPSavedData* saved){    // Create per-instance storage    PluginObject *obj = (PluginObject *)malloc(sizeof(PluginObject));    bzero(obj, sizeof(PluginObject));        obj->npp = instance;    instance->pdata = obj;        // Ask the browser if it supports the CoreGraphics drawing model    NPBool supportsCoreGraphics;    if (browser->getvalue(instance, NPNVsupportsCoreGraphicsBool, &supportsCoreGraphics) != NPERR_NO_ERROR)        supportsCoreGraphics = FALSE;        if (!supportsCoreGraphics)        return NPERR_INCOMPATIBLE_VERSION_ERROR;        // If the browser supports the CoreGraphics drawing model, enable it.    browser->setvalue(instance, NPPVpluginDrawingModel, (void *)NPDrawingModelCoreGraphics);    // If the browser supports the Cocoa event model, enable it.    NPBool supportsCocoa;    if (browser->getvalue(instance, NPNVsupportsCocoaBool, &supportsCocoa) != NPERR_NO_ERROR)        supportsCocoa = FALSE;        if (!supportsCocoa)        return NPERR_INCOMPATIBLE_VERSION_ERROR;        browser->setvalue(instance, NPPVpluginEventModel, (void *)NPEventModelCocoa);    obj->textFieldRect = NSMakeRect(10, 10, 200, 100);    obj->textStorage = [[NSTextStorage alloc] initWithString:@""];    obj->layoutManager = [[NSLayoutManager alloc] init];    [obj->textStorage addLayoutManager:obj->layoutManager];        obj->textContainer = [[NSTextContainer alloc] initWithContainerSize:obj->textFieldRect.size];    [obj->layoutManager addTextContainer:obj->textContainer];    obj->selectedRange.location = [obj->textStorage length];        obj->markedRange = NSMakeRange(NSNotFound, 0);    return NPERR_NO_ERROR;}NPError NPP_Destroy(NPP instance, NPSavedData** save){    // Free per-instance storage    PluginObject *obj = instance->pdata;        [obj->textStorage release];    [obj->layoutManager release];        free(obj);        return NPERR_NO_ERROR;}NPError NPP_SetWindow(NPP instance, NPWindow* window){    PluginObject *obj = instance->pdata;    obj->window = *window;    return NPERR_NO_ERROR;} NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16* stype){    *stype = NP_ASFILEONLY;    return NPERR_NO_ERROR;}NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason){    return NPERR_NO_ERROR;}int32 NPP_WriteReady(NPP instance, NPStream* stream){    return 0;}int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len, void* buffer){    return 0;}void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname){}void NPP_Print(NPP instance, NPPrint* platformPrint){}static void handleDraw(PluginObject *obj){    NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];        NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:((NP_CGContext *)obj->window.window)->context                                                                            flipped:YES];    [NSGraphicsContext setCurrentContext:context];        NSRect rect = NSMakeRect(0, 0, obj->window.width, obj->window.height);        [[NSColor lightGrayColor] set];    [NSBezierPath fillRect:rect];    if (obj->pluginHasFocus) {        [[NSColor blackColor] set];        [NSBezierPath strokeRect:rect];    }        [[NSColor whiteColor] set];    [NSBezierPath fillRect:obj->textFieldRect];    // Draw the text    NSRange glyphRange = [obj->layoutManager glyphRangeForTextContainer:obj->textContainer];    if (glyphRange.length > 0) {        [obj->layoutManager drawBackgroundForGlyphRange:glyphRange atPoint:obj->textFieldRect.origin];        [obj->layoutManager drawGlyphsForGlyphRange:glyphRange atPoint:obj->textFieldRect.origin];    }        NSBezierPath *textInputBorder = [NSBezierPath bezierPathWithRect:obj->textFieldRect];    [[NSColor blackColor] set];        if (obj->pluginHasFocus && obj->textFieldHasFocus)        [textInputBorder setLineWidth:2];    else        [textInputBorder setLineWidth:1];        [textInputBorder stroke];        if (obj->pluginHasFocus && obj->textFieldHasFocus) {        NSUInteger rectCount;        NSRect *rectArray = [obj->layoutManager rectArrayForCharacterRange:obj->selectedRange                                            withinSelectedCharacterRange:obj->selectedRange                                                        inTextContainer:obj->textContainer