mirror of
https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git
synced 2026-04-19 08:03:50 +02:00
Structure project almost by features. Start by organizing view controllers.
This commit is contained in:
SBiOSoftWhare
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/*
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Copyright 2017 Vector Creations Ltd
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Copyright 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "WidgetViewController.h"
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#import "AppDelegate.h"
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#import "IntegrationManagerViewController.h"
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NSString *const kJavascriptSendResponseToPostMessageAPI = @"riotIOS.sendResponse('%@', %@);";
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@interface WidgetViewController ()
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@end
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@implementation WidgetViewController
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@synthesize widget;
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- (instancetype)initWithUrl:(NSString*)widgetUrl forWidget:(Widget*)theWidget
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{
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self = [super initWithURL:widgetUrl];
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if (self)
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{
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widget = theWidget;
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}
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return self;
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}
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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webView.scrollView.bounces = NO;
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// Disable opacity so that the webview background uses the current interface theme
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webView.opaque = NO;
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if (widget)
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{
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self.navigationItem.title = widget.name ? widget.name : widget.type;
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}
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}
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- (void)showErrorAsAlert:(NSError*)error
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{
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NSString *title = [error.userInfo valueForKey:NSLocalizedFailureReasonErrorKey];
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NSString *msg = [error.userInfo valueForKey:NSLocalizedDescriptionKey];
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if (!title)
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{
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if (msg)
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{
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title = msg;
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msg = nil;
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}
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else
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{
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title = [NSBundle mxk_localizedStringForKey:@"error"];
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}
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}
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__weak __typeof__(self) weakSelf = self;
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UIAlertController *alert = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:UIAlertControllerStyleAlert];
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[alert addAction:[UIAlertAction actionWithTitle:[NSBundle mxk_localizedStringForKey:@"ok"]
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction * action) {
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typeof(self) self = weakSelf;
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if (self)
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{
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// Leave this widget VC
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[self withdrawViewControllerAnimated:YES completion:nil];
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}
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}]];
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[self presentViewController:alert animated:YES completion:nil];
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}
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#pragma mark - WKNavigationDelegate
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- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation
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{
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[self enableDebug];
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// Setup js code
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NSString *path = [[NSBundle mainBundle] pathForResource:@"postMessageAPI" ofType:@"js"];
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NSString *js = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
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[webView evaluateJavaScript:js completionHandler:nil];
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[self stopActivityIndicator];
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// Check connectivity
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if ([AppDelegate theDelegate].isOffline)
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{
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// The web page may be in the cache, so its loading will be successful
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// but we cannot go further, it often leads to a blank screen.
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// So, display an error so that the user can escape.
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NSError *error = [NSError errorWithDomain:NSURLErrorDomain
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code:NSURLErrorNotConnectedToInternet
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userInfo:@{
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NSLocalizedDescriptionKey : NSLocalizedStringFromTable(@"network_offline_prompt", @"Vector", nil)
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}];
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[self showErrorAsAlert:error];
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}
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}
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
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{
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NSString *urlString = navigationAction.request.URL.absoluteString;
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// TODO: We should use the WebKit PostMessage API and the
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// `didReceiveScriptMessage` delegate to manage the JS<->Native bridge
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if ([urlString hasPrefix:@"js:"])
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{
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// Listen only to the scheme of the JS<->Native bridge
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NSString *jsonString = [[[urlString componentsSeparatedByString:@"js:"] lastObject] stringByRemovingPercentEncoding];
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NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
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NSError *error;
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NSDictionary *parameters = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers
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error:&error];
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if (!error)
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{
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// Retrieve the js event payload data
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NSDictionary *eventData;
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MXJSONModelSetDictionary(eventData, parameters[@"event.data"]);
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NSString *requestId;
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MXJSONModelSetString(requestId, eventData[@"_id"]);
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if (requestId)
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{
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[self onPostMessageRequest:requestId data:eventData];
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}
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else
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{
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NSLog(@"[WidgetVC] shouldStartLoadWithRequest: ERROR: Missing request id in postMessage API %@", parameters);
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}
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}
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decisionHandler(WKNavigationActionPolicyCancel);
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return;
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}
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if (navigationAction.navigationType == WKNavigationTypeLinkActivated)
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{
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// Open links outside the app
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[[UIApplication sharedApplication] openURL:navigationAction.request.URL];
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decisionHandler(WKNavigationActionPolicyCancel);
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return;
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}
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decisionHandler(WKNavigationActionPolicyAllow);
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}
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- (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error
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{
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// Filter out the users's scalar token
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NSString *errorDescription = error.description;
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NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"scalar_token=\\w*"
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options:NSRegularExpressionCaseInsensitive error:nil];
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errorDescription = [regex stringByReplacingMatchesInString:errorDescription
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options:0
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range:NSMakeRange(0, errorDescription.length)
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withTemplate:@"scalar_token=..."];
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NSLog(@"[WidgetVC] didFailLoadWithError: %@", errorDescription);
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[self stopActivityIndicator];
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[self showErrorAsAlert:error];
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}
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#pragma mark - postMessage API
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- (void)onPostMessageRequest:(NSString*)requestId data:(NSDictionary*)requestData
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{
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NSString *action;
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MXJSONModelSetString(action, requestData[@"action"]);
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if ([@"m.sticker" isEqualToString:action])
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{
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// Extract the sticker event content and send it as is
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// The key should be "data" according to https://docs.google.com/document/d/1uPF7XWY_dXTKVKV7jZQ2KmsI19wn9-kFRgQ1tFQP7wQ/edit?usp=sharing
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// TODO: Fix it once spec is finalised
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NSDictionary *widgetData;
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NSDictionary *stickerContent;
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MXJSONModelSetDictionary(widgetData, requestData[@"widgetData"]);
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if (widgetData)
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{
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MXJSONModelSetDictionary(stickerContent, widgetData[@"content"]);
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}
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if (stickerContent)
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{
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// Let the data source manage the sending cycle
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[_roomDataSource sendEventOfType:kMXEventTypeStringSticker content:stickerContent success:nil failure:nil];
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}
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else
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{
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NSLog(@"[WidgetVC] onPostMessageRequest: ERROR: Invalid content for m.sticker: %@", requestData);
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}
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// Consider we are done with the sticker picker widget
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[self withdrawViewControllerAnimated:YES completion:nil];
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}
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else if ([@"integration_manager_open" isEqualToString:action])
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{
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NSDictionary *widgetData;
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NSString *integType, *integId;
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MXJSONModelSetDictionary(widgetData, requestData[@"widgetData"]);
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if (widgetData)
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{
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MXJSONModelSetString(integType, widgetData[@"integType"]);
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MXJSONModelSetString(integId, widgetData[@"integId"]);
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}
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if (integType && integId)
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{
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// Open the integration manager requested page
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IntegrationManagerViewController *modularVC = [[IntegrationManagerViewController alloc]
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initForMXSession:self.roomDataSource.mxSession
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inRoom:self.roomDataSource.roomId
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screen:[IntegrationManagerViewController screenForWidget:integType]
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widgetId:integId];
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[self presentViewController:modularVC animated:NO completion:nil];
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}
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else
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{
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NSLog(@"[WidgetVC] onPostMessageRequest: ERROR: Invalid content for integration_manager_open: %@", requestData);
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}
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}
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else
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{
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NSLog(@"[WidgetVC] onPostMessageRequest: ERROR: Unsupported action: %@: %@", action, requestData);
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}
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}
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- (void)sendBoolResponse:(BOOL)response toRequest:(NSString*)requestId
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{
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// Convert BOOL to "true" or "false"
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NSString *js = [NSString stringWithFormat:kJavascriptSendResponseToPostMessageAPI,
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requestId,
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response ? @"true" : @"false"];
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[webView evaluateJavaScript:js completionHandler:nil];
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}
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- (void)sendIntegerResponse:(NSUInteger)response toRequest:(NSString*)requestId
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{
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NSString *js = [NSString stringWithFormat:kJavascriptSendResponseToPostMessageAPI,
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requestId,
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@(response)];
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[webView evaluateJavaScript:js completionHandler:nil];
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}
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- (void)sendNSObjectResponse:(NSObject*)response toRequest:(NSString*)requestId
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{
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NSString *jsString;
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if (response)
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{
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// Convert response into a JS object through a JSON string
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NSData *jsonData = [NSJSONSerialization dataWithJSONObject:response
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options:0
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error:0];
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NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
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jsString = [NSString stringWithFormat:@"JSON.parse('%@')", jsonString];
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}
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else
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{
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jsString = @"null";
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}
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NSString *js = [NSString stringWithFormat:kJavascriptSendResponseToPostMessageAPI,
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requestId,
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jsString];
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[webView evaluateJavaScript:js completionHandler:nil];
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}
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- (void)sendError:(NSString*)message toRequest:(NSString*)requestId
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{
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NSLog(@"[WidgetVC] sendError: Action %@ failed with message: %@", requestId, message);
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// TODO: JS has an additional optional parameter: nestedError
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[self sendNSObjectResponse:@{
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@"error": @{
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@"message": message
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}
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}
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toRequest:requestId];
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}
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- (void)sendLocalisedError:(NSString*)errorKey toRequest:(NSString*)requestId
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{
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[self sendError:NSLocalizedStringFromTable(errorKey, @"Vector", nil) toRequest:requestId];
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}
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@end
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