Implement Present for iOS

This commit is contained in:
Frank A. Krueger 2017-07-07 16:58:38 -07:00
parent 8046f8ea95
commit 3236b3835e
4 changed files with 119 additions and 33 deletions

View File

@ -1,19 +1,123 @@
using System;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
namespace Ooui
{
static class Platform
{
#if __IOS32423__
public static void Present (string url, object presenter)
{
static readonly Assembly iosAssembly;
static readonly Type iosUIViewControllerType;
static readonly Type iosUIApplicationType;
static readonly Type iosUIWebViewType;
static readonly Type iosNSUrl;
static readonly Type iosNSUrlRequest;
}
#else
public static void Present (string url, object presenter)
{
static Platform ()
{
var asms = AppDomain.CurrentDomain.GetAssemblies ().ToDictionary (
x => x.GetName().Name);
}
#endif
asms.TryGetValue ("Xamarin.iOS", out iosAssembly);
if (iosAssembly != null) {
iosUIViewControllerType = iosAssembly.GetType ("UIKit.UIViewController");
iosUIApplicationType = iosAssembly.GetType ("UIKit.UIApplication");
iosUIWebViewType = iosAssembly.GetType ("UIKit.UIWebView");
iosNSUrl = iosAssembly.GetType ("Foundation.NSUrl");
iosNSUrlRequest = iosAssembly.GetType ("Foundation.NSUrlRequest");
}
}
public static void OpenBrowser (string url, object presenter)
{
if (iosAssembly != null) {
OpenBrowserOniOS (url, presenter);
}
else {
StartBrowserProcess (url);
}
}
static void OpenBrowserOniOS (string url, object presenter)
{
var presenterType = GetObjectType (presenter);
//
// Find a presenter view controller
// 1. Try the given presenter
// 2. Find the key window vc
// 3. Create a window?
//
object presenterViewController = null;
if (presenter != null && iosUIViewControllerType.IsAssignableFrom (presenterType)) {
presenterViewController = presenter;
}
if (presenterViewController == null) {
var app = iosUIApplicationType.GetProperty ("SharedApplication").GetValue (null, null);
var window = iosUIApplicationType.GetProperty ("KeyWindow").GetValue (app, null);
if (window != null) {
var rvc = window.GetType ().GetProperty ("RootViewController").GetValue (window, null);
if (rvc != null) {
var pvc = rvc.GetType ().GetProperty ("PresentedViewController").GetValue (rvc, null);
presenterViewController = pvc ?? rvc;
}
}
}
if (presenterViewController == null) {
throw new InvalidOperationException ("Cannot find a view controller from which to present");
}
//
// Create the browser
//
var browserVC = Activator.CreateInstance (iosUIViewControllerType);
var browserV = Activator.CreateInstance (iosUIWebViewType);
var nsUrl = iosNSUrl.GetMethod ("FromString").Invoke (null, new object[] { url });
var nsUrlRequest = iosNSUrlRequest.GetMethod ("FromUrl").Invoke (null, new object[] { nsUrl });
iosUIWebViewType.GetMethod ("LoadRequest").Invoke (browserV, new object[] { nsUrlRequest });
iosUIViewControllerType.GetProperty ("View").SetValue (browserVC, browserV, null);
var m = iosUIViewControllerType.GetMethod ("PresentViewController");
Console.WriteLine (presenterViewController);
Console.WriteLine (browserVC);
m.Invoke (presenterViewController, new object[] { browserVC, false, null });
}
static Type GetObjectType (object o)
{
var t = typeof (object);
if (o is IReflectableType rt) {
t = rt.GetTypeInfo ().AsType ();
}
else if (o != null) {
t = o.GetType ();
}
return t;
}
static Process StartBrowserProcess (string url)
{
var cmd = url;
var args = "";
var osv = Environment.OSVersion;
if (osv.Platform == PlatformID.Unix) {
cmd = "open";
args = url;
}
// var vs = Environment.GetEnvironmentVariables ();
// foreach (System.Collections.DictionaryEntry kv in vs) {
// System.Console.WriteLine($"K={kv.Key}, V={kv.Value}");
// }
Console.WriteLine ($"Process.Start {cmd} {args}");
return Process.Start (cmd, args);
}
}
}

View File

@ -95,29 +95,8 @@ namespace Ooui
var localHost = host == "*" ? "localhost" : host;
var url = $"http://{localHost}:{port}{path}";
Console.WriteLine ($"PRESENT {url}");
var cmd = url;
var args = "";
var osv = Environment.OSVersion;
if (osv.Platform == PlatformID.Unix) {
cmd = "open";
args = url;
}
// var vs = Environment.GetEnvironmentVariables ();
// foreach (System.Collections.DictionaryEntry kv in vs) {
// System.Console.WriteLine($"K={kv.Key}, V={kv.Value}");
// }
Console.WriteLine ($"EXEC {cmd} {args}");
try {
System.Diagnostics.Process.Start (cmd, args);
}
catch (Exception ex) {
Error ("FAILED TO EXEC", ex);
}
}
Platform.OpenBrowser (url, presenter);
}
static void Start ()
{

View File

@ -10,7 +10,7 @@ namespace iOSTests
[TestCase]
public void Present ()
{
var b = new Button ();
var b = new Button ("Click Me");
UI.Publish ("/b", b);
UI.Present ("/b");
}

View File

@ -201,6 +201,9 @@
<Compile Include="..\..\Tests\UITests.cs">
<Link>Tests\UITests.cs</Link>
</Compile>
<Compile Include="..\..\Ooui\Platform.cs">
<Link>Ooui\Platform.cs</Link>
</Compile>
</ItemGroup>
<ItemGroup>
<EmbeddedResource Include="..\..\Ooui\Client.js">