C# IFunction.apply方法代码示例

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IDefault  page)
        {
            page.SetVariable.onclick +=
                delegate
                {
                    var f = new IFunction("value", "this.foo = value;");

                    f.apply(null, page.VariableText.value);

                    page.ShowVariable.style.fontWeight = "bold";
                };

            page.ShowVariable.onclick +=
               delegate
               {
                   page.ShowVariable.style.fontWeight = "";

                   var f = new IFunction("alert(this.foo);");

                   f.apply(null);
               };

            page.GetVariableWithComment.onclick +=
               delegate
               {
                   var f = new IFunction("return { Text: this.foo, Comment: 'from javascript' };");

                   var r = (AnanymousDataEntry)f.apply(null);

                   Native.window.alert(
                       new
                       {
                           r.Text,
                           r.Comment
                       }.ToString()
                   );
               };

            @"Hello world".ToDocumentTitle();
            // Send data from JavaScript to the server tier
            service.WebMethod2(
                @"A string from JavaScript.",
                value => value.ToDocumentTitle()
            );
        }

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IApp page)
        {

            Console.WriteLine("InitializeContent");

            //, b2Fixture = Box2D.Dynamics.b2Fixture

            //, b2MassData = Box2D.Collision.Shapes.b2MassData




            ;
            var world = new Box2D.Dynamics.b2World(
               new Box2D.Common.Math.b2Vec2(0, 10)    //gravity
            , true                 //allow sleep
         );
            var fixDef = new Box2D.Dynamics.b2FixtureDef();
            fixDef.density = 1.0;
            fixDef.friction = 0.5;
            fixDef.restitution = 0.2;

            var bodyDef = new Box2D.Dynamics.b2BodyDef();

            //create ground
            const int b2Body_b2_staticBody = 0;
            bodyDef.type = b2Body_b2_staticBody;

            bodyDef.position.x = 9;
            bodyDef.position.y = 13;
            fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
            ((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(10, 0.5);
            world.CreateBody(bodyDef).CreateFixture(fixDef);
            //var x = world.CreateBody(bodyDef);
            //new IFunction("x", "alert(typeof x);").apply(null, x);
            var __random = new IFunction("return Math.random();");
            Func<double> Math_random = () => (double)__random.apply(null);
            //create some objects

            const int b2Body_b2_dynamicBody = 2;
            bodyDef.type = b2Body_b2_dynamicBody;
            for (var i = 0; i < 10; i++)
            {
                if (Math_random() > 0.5)
                {
                    fixDef.shape = new Box2D.Collision.Shapes.b2PolygonShape();
                    ((Box2D.Collision.Shapes.b2PolygonShape)fixDef.shape).SetAsBox(
                          Math_random() + 0.1 //half width
                       , Math_random() + 0.1 //half height
                    );
                }
                else
                {
                    fixDef.shape = new Box2D.Collision.Shapes.b2CircleShape(
                       Math_random() + 0.1 //radius
                    );
                }
                bodyDef.position.x = Math_random() * 10;
                bodyDef.position.y = Math_random() * 10;
                world.CreateBody(bodyDef).CreateFixture(fixDef);
            }
            //setup debug draw
            var debugDraw = new Box2D.Dynamics.b2DebugDraw();
            var context = page.canvas1.getContext("2d");
            debugDraw.SetSprite(context);
            debugDraw.SetDrawScale(30.0);
            debugDraw.SetFillAlpha(0.3);
            debugDraw.SetLineThickness(1.0);
            const int b2DebugDraw_e_shapeBit = 0x1;
            const int b2DebugDraw_e_jointBit = 0x2;
            debugDraw.SetFlags(b2DebugDraw_e_shapeBit | b2DebugDraw_e_jointBit);
            world.SetDebugDraw(debugDraw);

            var c = 0;
            Native.window.onframe += delegate
            {
                c++;
                Native.document.title = "" + c;
                world.Step(
                       1.0 / 60   //frame-rate
                    , 10       //velocity iterations
                    , 10       //position iterations
                        );
                world.DrawDebugData();
                world.ClearForces();



            };

            Console.WriteLine("InitializeContent done");

            //new IFunction("alert(Box2D);").apply(null);
            //Native.Window.alert("bodyDef=" + bodyDef);
        }

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IApp page)
        {
            var toolbar = new
            {
                createItem = new IFunction("y", "return opera.contexts.toolbar.createItem(y);"),
                addItem = new IFunction("y", "opera.contexts.toolbar.addItem(y);")
            };

            var windows = new
            {
                // http://dev.opera.com/articles/view/extensions-api-windows-create/
                create = new IFunction("", "return opera.extension.windows.create();"),

                // http://dev.opera.com/articles/view/extensions-api-window-update/
                update = new IFunction("y", "this.update(y);"),
            };

            try
            {
                // can only create one button?
                toolbar.createItem.apply(null,
                       new Opera_UIItemProperties
                       {
                           title = "OperaExtensionExperiment",
                           popup = new OperaToolbarPopupArguments { href = "index.html" }
                       }
                   ).With(
                       theButton =>
                       {

                           toolbar.addItem.apply(null, theButton);
                       }
                   );

            }
            catch
            {
                // not running as extension?
            }

            // will only work on toolbar
            //page.NewBrowser.style.color = JSColor.Green;
            //page.NewBrowser.onclick +=
            //    delegate
            //    {
            //        var w = windows.create.apply(null);

            //        windows.update.apply(w,
            //            new Opera_BrowserWindowProperties
            //            {

            //                width = 400
            //            }
            //        );
            //    };

            page.IAmAPopup.style.color = JSColor.Green;

            page.IAmAPopup.onclick +=
                delegate
                {
                    page.IAmAPopup.style.color = JSColor.Red;

                    var getScreenshot = new IFunction("y", "opera.extension.getScreenshot(y);");

                    Action<ImageData> applyScreenshot =
                        imageData =>
                        {
                            // Create a blank canvas
                            var canvas = new IHTMLCanvas();
                            canvas.width = (int)imageData.width;
                            canvas.height = (int)imageData.height;

                            // Write the screenshot image data to the canvas context
                            var ctx = (CanvasRenderingContext2D)canvas.getContext("2d");
                            ctx.putImageData(imageData, 0, 0, 0, 0, imageData.width, imageData.height);

                            canvas.style.border = "1px solid blue";
                            canvas.AttachToDocument();
                            page.IAmAPopup.style.color = JSColor.Blue;
                        };

                    // http://dev.opera.com/articles/view/extensions-api-screenshot/

                    getScreenshot.apply(null, IFunction.OfDelegate(applyScreenshot));

                };

            page.foooex.ondragstart +=

                e =>
                {
                    // http://ajaxian.com/archives/how-to-drag-out-files-like-gmail

                    e.dataTransfer.setData("DownloadURL",
                         "application/octet-stream:foo.oex:" + page.foooex.href);
//.........这里部分代码省略.........

//.........这里部分代码省略.........

                    foreach (var id in Expando.InternalGetMemberNames((object)window.manager.tracks))
                    {
                        Console.WriteLine(new { id });

                        //window.manager.tracs[item].setAmplitude(0);

                        // https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/createPanner
                        PannerNode panner = window.audio.panners[id];

                        // Failed to set the 'buffer' property on 'AudioBufferSourceNode': The provided value is not of type 'AudioBuffer'.
                        panner.disconnect();

                        THREE.Object3D t = window.video.trackObjects[id];

                        t.parent.remove(t);
                    }




                    window.manager.trackCount = 0;
                    //window.manager.tracks = new { };
                    window.manager.tracks = new object();

                    // vsync
                    await Native.window.async.onframe;

                    var MovingTrack = new IFunction("url", "return  new MovingTrack({ src: url, color: 0x19414B});");




                    dynamic track = MovingTrack.apply(null, a.src);


                    Console.WriteLine("addTrack");
                    window.manager.addTrack(track);



                    Console.WriteLine("loadTrack_");
                    window.audio.loadTrack_(track.id);


                    Func<bool> isready = () => window.audio.ready[track.id];

                    var ready = new TaskCompletionSource<object> { };

                    new { }.With(
                        async delegate
                        {
                            while (!ready.Task.IsCompleted)
                            {
                                await Task.Delay(300);

                                bool xready = isready();

                                Console.WriteLine(new { track.id, xready });

                                if (xready)
                                    ready.SetResult(null);
                            }
                        }
                    );

        /// <summary>
        /// This is a javascript application.
        /// </summary>
        /// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
        public Application(IApp page)
        {
            Console.WriteLine("Application ctor");

            if (page != null)
                if (page.Content != null)
                    if (page.Content.childNodes.Length == 0)
                    {
                        var f = new IFunction("");

                        f.apply(null);

                        ApplicationWebService service = new ApplicationWebService();

                        ApplicationSprite sprite = new ApplicationSprite();

                        sprite.AutoSizeSpriteTo(page.ContentSize);
                        sprite.AttachSpriteTo(page.Content);

                        //Console.WriteLine("init... WhenReady?");

                        //  a.__out_MethodInterface.MgAABkE_bRDa_ancxRw7JDdQ(PQAABosGVzucrRDVfJkoTA(a, b));
                        //sprite.WhenReady(
                        //    delegate
                        //    {
                        //        Console.WriteLine("init... Ready!");
                        //    }
                        //);

                        return;
                    }

            Console.WriteLine("looking for myself...");
            //Native.Window.alert("now what?");

            //Action yield = delegate
            //{
            //    Console.WriteLine("looking for myself... done!");

            //};
            Native.window.requestAnimationFrame +=
                delegate
                {
                    Native.Document.getElementsByTagName("embed").WithEach(
                        e =>
                        {
                            var embed = (IHTMLEmbedFlash)e;

                            try
                            {

                                // this is a hack
                                //var sprite = new ApplicationSprite();
                                //object sprite_object = sprite;
                                //dynamic a = sprite_object;

                                //a.__InternalElement = embed;


                                //var sprite = (ApplicationSprite)(object)embed;

                                Console.WriteLine("looking for myself... WhenReady?");

                                Initialize(
                                    args =>
                                    {
                                        embed.CallFunction("WhenReady", new[] { args });
                                    }
                                );

                                //sprite.WhenReady(yield);
                            }
                            catch
                            { }
                        }
                    );
                };
        }