Moved code under a subdirectory: Console

2026-05-06 07:57:42 +02:00 · 2015-04-03 09:04:22 +02:00
parent 1b24cdb7f1
commit 2b0350d14f
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+/*
+ Copyright 2015 OpenMarket Ltd
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#import "MXCRegistrationWebView.h"
+
+// Generic method to make a bridge between JS and the UIWebView
+NSString *kMXCJavascriptSendObjectMessage = @"window.matrixRegistration.sendObjectMessage = function(parameters) {   \
+    var iframe = document.createElement('iframe');                              \
+    iframe.setAttribute('src', 'js:' + JSON.stringify(parameters));             \
+                                                                                \
+    document.documentElement.appendChild(iframe);                               \
+    iframe.parentNode.removeChild(iframe);                                      \
+    iframe = null;                                                              \
+};";
+
+// The function the fallback page calls when the registration is complete
+NSString *kMXCJavascriptOnRegistered = @"window.matrixRegistration.onRegistered = function(homeserverUrl, userId, accessToken) {   \
+    matrixRegistration.sendObjectMessage({  \
+        'action': 'onRegistered',           \
+        'homeServer': homeserverUrl,        \
+        'userId': userId,                   \
+        'accessToken': accessToken          \
+    });                                     \
+};";
+
+@interface MXCRegistrationWebView () {
+    // The block called when the registration is successful
+    void (^onSuccess)(MXCredentials *);
+    
+    // Activity indicator
+    UIActivityIndicatorView *activityIndicator;
+}
+@end
+
+@implementation MXCRegistrationWebView
+
+- (void)dealloc {
+    if (activityIndicator) {
+        [activityIndicator removeFromSuperview];
+        activityIndicator = nil;
+    }
+}
+
+- (void)openFallbackPage:(NSString *)fallbackPage success:(void (^)(MXCredentials *))success {
+    self.delegate = self;
+    onSuccess = success;
+    
+    // Add activity indicator
+    activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
+    activityIndicator.center = self.center;
+    [self addSubview:activityIndicator];
+    [activityIndicator startAnimating];
+    
+    [self loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:fallbackPage]]];
+}
+
+-(void)webViewDidFinishLoad:(UIWebView *)webView {
+    if (activityIndicator) {
+        [activityIndicator stopAnimating];
+        [activityIndicator removeFromSuperview];
+        activityIndicator = nil;
+    }
+    
+    [self stringByEvaluatingJavaScriptFromString:kMXCJavascriptSendObjectMessage];
+    [self stringByEvaluatingJavaScriptFromString:kMXCJavascriptOnRegistered];
+}
+
+- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
+    NSString *urlString = [[request URL] absoluteString];
+
+    if ([urlString hasPrefix:@"js:"]) {
+        // Listen only to scheme of the JS-UIWebView bridge
+        NSString *jsonString = [[[urlString componentsSeparatedByString:@"js:"] lastObject]  stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding];
+        NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
+
+        NSError *error;
+        NSDictionary *parameters = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers
+                                                          error:&error];
+
+        if (!error) {
+            if ([@"onRegistered" isEqualToString:parameters[@"action"]]) {
+                // Translate the JS registration event to MXCredentials
+                MXCredentials *credentials = [[MXCredentials alloc] initWithHomeServer:parameters[@"homeServer"] userId:parameters[@"userId"] accessToken:parameters[@"accessToken"]];
+                // And inform the client
+                onSuccess(credentials);
+            }
+        }
+        return NO;
+    }
+    return YES;
+}
+
+@end