public CocoaWebview(WindowConfiguration config, IContentProvider contentProvider, WebviewBridge bridge)
{
this.config = config ?? throw new ArgumentNullException(nameof(config));
this.contentProvider = contentProvider ?? throw new ArgumentNullException(nameof(contentProvider));
this.bridge = bridge ?? throw new ArgumentNullException(nameof(bridge));
Interlocked.Increment(ref count);
// need to keep the delegates around or they will get garbage collected
loadDelegate = LoadCallback;
loadFailedDelegate = LoadFailedCallback;
observedValueChangedDelegate = ObservedValueChanged;
scriptDelegate = ScriptCallback;
uriSchemeStartDelegate = UriSchemeStartCallback;
uriSchemeStopDelegate = UriSchemeStopCallback;
IntPtr configuration = WebKit.Call("WKWebViewConfiguration", "new");
IntPtr manager = ObjC.Call(configuration, "userContentController");
IntPtr callbackClass = CreateCallbackClass();
customHost = CreateSchemeHandler(configuration);
if (config.EnableScriptInterface)
{
ObjC.Call(manager, "addScriptMessageHandler:name:", callbackClass, NSString.Create("external"));
IntPtr script = WebKit.Call("WKUserScript", "alloc");
ObjC.Call(
script,
"initWithSource:injectionTime:forMainFrameOnly:",
NSString.Create(Resources.GetInitScript("Mac")),
IntPtr.Zero,
IntPtr.Zero);
ObjC.Call(manager, "addUserScript:", script);
}
Handle = WebKit.Call("WKWebView", "alloc");
ObjC.Call(Handle, "initWithFrame:configuration:", CGRect.Zero, configuration);
ObjC.Call(Handle, "setNavigationDelegate:", callbackClass);
IntPtr bgColor = NSColor.FromHex(config.BackgroundColor);
ObjC.Call(Handle, "setBackgroundColor:", bgColor);
IntPtr boolValue = Foundation.Call("NSNumber", "numberWithBool:", 0);
ObjC.Call(Handle, "setValue:forKey:", boolValue, NSString.Create("drawsBackground"));
if (config.UseBrowserTitle)
{
ObjC.Call(Handle, "addObserver:forKeyPath:options:context:", callbackClass, NSString.Create("title"), IntPtr.Zero, IntPtr.Zero);
}
if (enableDevTools)
{
var preferences = ObjC.Call(configuration, "preferences");
ObjC.Call(preferences, "setValue:forKey:", new IntPtr(1), NSString.Create("developerExtrasEnabled"));
}
}
/// <summary>
/// 异步加载某个资源
/// </summary>
/// <param name="path">资源路径</param>
/// <param name="loadSuccessDelegate">资源加载成功回调</param>
/// <param name="loadFailedDelegate">资源加载失败回调</param>
/// <param name="userData">用户数据</param>
/// <typeparam name="T">资源类型</typeparam>
public void LoadAsync <T>(string path,
LoadSuccessDelegate loadSuccessDelegate,
LoadFailedDelegate loadFailedDelegate,
object userData) where T : Object
{
var loadData = new LoadData
{
Path = path,
UserData = userData,
LoadSuccessDelegate = loadSuccessDelegate,
LoadFailedDelegate = loadFailedDelegate,
Request = Resources.LoadAsync <T>(path)
};
_loadReqs.Add(loadData);
}
