// public INavigationService NavigationService { get; set; }
#endregion
private ViewLifetimeControl(CoreWindow newWindow)
{
CoreDispatcher = newWindow.Dispatcher;
WindowWrapper = WindowEx.Current();
Id = ApplicationView.GetApplicationViewIdForWindow(newWindow);
// This class will automatically tell the view when its time to close
// or stay alive in a few cases
RegisterForEvents();
}
private IJsScriptExecutor CreateExecutor(IWindowEx window)
{
switch (_jsEngine)
{
case JsEngines.Jint: return(JintFactory.Create(new ScriptExecutionContext(window)));
case JsEngines.Jurassic: return(JurassicFactory.Create(new ScriptExecutionContext(window)));
default: throw new Exception("Invalid engine specified: " + _jsEngine);
}
}
private IJsScriptExecutor CreateExecutor(IWindowEx window, Func <Func <Stream, object>, XmlHttpRequest> createXhr = null)
{
switch (_jsEngine)
{
case JsEngines.Jint: return(new Knyaz.Optimus.ScriptExecuting.Jint.JintJsScriptExecutor(window, createXhr ?? (_ => null)));
case JsEngines.Jurassic: return(new Scripting.Jurassic.JurassicJsScriptExecutor(window, createXhr ?? (_ => null)));
default: throw new Exception("Invalid engine specified: " + _jsEngine);
}
}
public static MonitorUtils Current(IWindowEx windowWrapper = null)
{
windowWrapper = windowWrapper ?? throw new ArgumentNullException(nameof(windowWrapper));
if (!Cache.ContainsKey(windowWrapper))
{
var item = new MonitorUtils(windowWrapper);
Cache.Add(windowWrapper, item);
windowWrapper.ApplicationView.Consolidated += new WeakReferenceEx <MonitorUtils, ApplicationView, object>(item)
{
EventAction = (i, s, e) => Cache.Remove(windowWrapper),
DetachAction = (i, w) => windowWrapper.ApplicationView.Consolidated -= w.Handler
}.Handler;
}
return(Cache[windowWrapper]);
}
private void CreateEngine(IWindowEx window, Func <Func <Stream, object>, XmlHttpRequest> createXmlHttpRequest)
{
_jsEngine = new JintJsEngine(window);
_jsEngine.Execute("var window = this");
_jsEngine.Execute("var self = window");
_jsEngine.Execute("function Image(w, h) { var img = document.createElement('img'); img.width = w || 0; img.height = h||0; return img;}");
foreach (var type in ScriptingSettings.Default.GlobalTypes)
{
_jsEngine.AddGlobalType(type);
}
_jsEngine.AddGlobalType <Event>(new [] { typeof(string), typeof(EventInitOptions) },
args => new Event(window.Document, args[0]?.ToString(), args.Length > 1 ? (EventInitOptions)args[1] : null));
Func <Stream, object> parseJsonFn = s => _jsEngine.ParseJson(s.ReadToEnd());
_jsEngine.AddGlobalType("XMLHttpRequest", x => createXmlHttpRequest(parseJsonFn));
}
private MonitorUtils(IWindowEx windowWrapper)
{
var di = windowWrapper.DisplayInformation;
di.OrientationChanged += new WeakReferenceEx <MonitorUtils, DisplayInformation, object>(this)
{
EventAction = (i, s, e) => i.Changed?.Invoke(i, EventArgs.Empty),
DetachAction = (i, w) => di.OrientationChanged -= w.Handler
}.Handler;
var av = windowWrapper.ApplicationView;
av.VisibleBoundsChanged += new WeakReferenceEx <MonitorUtils, ApplicationView, object>(this)
{
EventAction = (i, s, e) => i.Changed?.Invoke(i, EventArgs.Empty),
DetachAction = (i, w) => av.VisibleBoundsChanged -= w.Handler
}.Handler;
Inches = new InchesInfo(windowWrapper);
Pixels = new PixelsInfo(windowWrapper);
}
private DeviceUtils(IWindowEx windowWrapper)
{
MonitorUtils = MonitorUtils.Current(windowWrapper);
WindowWrapper = windowWrapper ?? throw new ArgumentNullException(nameof(windowWrapper));
var di = windowWrapper.DisplayInformation;
di.OrientationChanged += new Common.WeakReferenceEx <DeviceUtils, DisplayInformation, object>(this)
{
EventAction = (i, s, e) => i.Changed?.Invoke(i, EventArgs.Empty),
DetachAction = (i, w) => di.OrientationChanged -= w.Handler
}.Handler;
var av = windowWrapper.ApplicationView;
av.VisibleBoundsChanged += new Common.WeakReferenceEx <DeviceUtils, ApplicationView, object>(this)
{
EventAction = (i, s, e) => i.Changed?.Invoke(i, EventArgs.Empty),
DetachAction = (i, w) => av.VisibleBoundsChanged -= w.Handler
}.Handler;
}
public ScriptExecutionContext(IWindowEx window)
{
Window = window;
}
public PixelsInfo(IWindowEx windowWrapper)
{
WindowWrapper = windowWrapper;
}
public InchesInfo(IWindowEx windowWrapper)
{
WindowWrapper = windowWrapper;
}
public ScriptExecutionContext(IWindowEx window, Func <Func <Stream, object>, XmlHttpRequest> createXhr)
{
Window = window;
CreateXhr = createXhr;
}
private void Execute(IWindowEx window, string code) => CreateExecutor(window).Execute(code);
private object Evaluate(IWindowEx window, string code) => CreateExecutor(window).Evaluate(code);
public JintJsScriptExecutor(IWindowEx window, Func <Func <Stream, object>, XmlHttpRequest> createXmlHttpRequest)
{
CreateEngine(window ?? throw new ArgumentNullException(nameof(window)), createXmlHttpRequest);
}
