forked from kmonde89/WebViewJavascriptBridge
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathWKWebViewJavascriptBridge.m
More file actions
176 lines (132 loc) · 5.63 KB
/
Copy pathWKWebViewJavascriptBridge.m
File metadata and controls
176 lines (132 loc) · 5.63 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
//
// WKWebViewJavascriptBridge.m
//
// Created by @LokiMeyburg on 10/15/14.
// Copyright (c) 2014 @LokiMeyburg. All rights reserved.
//
#import "WKWebViewJavascriptBridge.h"
#if defined(supportsWKWebKit)
@implementation WKWebViewJavascriptBridge {
WKWebView* _webView;
id _webViewDelegate;
long _uniqueId;
WebViewJavascriptBridgeBase *_base;
}
/* API
*****/
+ (void)enableLogging { [WebViewJavascriptBridgeBase enableLogging]; }
+ (instancetype)bridgeForWebView:(WKWebView*)webView handler:(WVJBHandler)handler {
return [self bridgeForWebView:webView webViewDelegate:nil handler:handler];
}
+ (instancetype)bridgeForWebView:(WKWebView*)webView webViewDelegate:(NSObject<WKNavigationDelegate>*)webViewDelegate handler:(WVJBHandler)messageHandler {
return [self bridgeForWebView:webView webViewDelegate:webViewDelegate handler:messageHandler resourceBundle:nil];
}
+ (instancetype)bridgeForWebView:(WKWebView*)webView webViewDelegate:(NSObject<WKNavigationDelegate>*)webViewDelegate handler:(WVJBHandler)messageHandler resourceBundle:(NSBundle*)bundle
{
WKWebViewJavascriptBridge* bridge = [[WKWebViewJavascriptBridge alloc] init];
[bridge _setupInstance:webView webViewDelegate:webViewDelegate handler:messageHandler resourceBundle:bundle];
[bridge reset];
return bridge;
}
- (void)send:(id)data {
[self send:data responseCallback:nil];
}
- (void)send:(id)data responseCallback:(WVJBResponseCallback)responseCallback {
[_base sendData:data responseCallback:responseCallback handlerName:nil];
}
- (void)callHandler:(NSString *)handlerName {
[self callHandler:handlerName data:nil responseCallback:nil];
}
- (void)callHandler:(NSString *)handlerName data:(id)data {
[self callHandler:handlerName data:data responseCallback:nil];
}
- (void)callHandler:(NSString *)handlerName data:(id)data responseCallback:(WVJBResponseCallback)responseCallback {
[_base sendData:data responseCallback:responseCallback handlerName:handlerName];
}
- (void)registerHandler:(NSString *)handlerName handler:(WVJBHandler)handler {
_base.messageHandlers[handlerName] = [handler copy];
}
- (void)reset {
[_base reset];
}
/* Internals
***********/
- (void)dealloc {
_base = nil;
_webView = nil;
_webViewDelegate = nil;
_webView.navigationDelegate = nil;
}
/* WKWebView Specific Internals
******************************/
- (void) _setupInstance:(WKWebView*)webView webViewDelegate:(id<WKNavigationDelegate>)webViewDelegate handler:(WVJBHandler)messageHandler resourceBundle:(NSBundle*)bundle{
_webView = webView;
_webViewDelegate = webViewDelegate;
_webView.navigationDelegate = self;
_base = [[WebViewJavascriptBridgeBase alloc] initWithHandler:(WVJBHandler)messageHandler resourceBundle:(NSBundle*)bundle];
_base.delegate = self;
}
- (void)WKFlushMessageQueue {
[_webView evaluateJavaScript:[_base webViewJavascriptFetchQueyCommand] completionHandler:^(NSString* result, NSError* error) {
[_base flushMessageQueue:result];
}];
}
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation
{
if (webView != _webView) { return; }
_base.numRequestsLoading--;
if (_base.numRequestsLoading == 0) {
[webView evaluateJavaScript:[_base webViewJavascriptCheckCommand] completionHandler:^(NSString *result, NSError *error) {
[_base injectJavascriptFile:![result boolValue]];
}];
}
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:didFinishNavigation:)]) {
[strongDelegate webView:webView didFinishNavigation:navigation];
}
}
- (void)webView:(WKWebView *)webView
decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler {
if (webView != _webView) { return; }
NSURL *url = navigationAction.request.URL;
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
if ([_base isCorrectProcotocolScheme:url]) {
if ([_base isCorrectHost:url]) {
[self WKFlushMessageQueue];
} else {
[_base logUnkownMessage:url];
}
[webView stopLoading];
}
if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:decisionHandler:)]) {
[_webViewDelegate webView:webView decidePolicyForNavigationAction:navigationAction decisionHandler:decisionHandler];
} else {
decisionHandler(WKNavigationActionPolicyAllow);
}
}
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
if (webView != _webView) { return; }
_base.numRequestsLoading++;
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:didStartProvisionalNavigation:)]) {
[strongDelegate webView:webView didStartProvisionalNavigation:navigation];
}
}
- (void)webView:(WKWebView *)webView
didFailNavigation:(WKNavigation *)navigation
withError:(NSError *)error {
if (webView != _webView) { return; }
_base.numRequestsLoading--;
__strong typeof(_webViewDelegate) strongDelegate = _webViewDelegate;
if (strongDelegate && [strongDelegate respondsToSelector:@selector(webView:didFailNavigation:withError:)]) {
[strongDelegate webView:webView didFailNavigation:navigation withError:error];
}
}
- (NSString*) _evaluateJavascript:(NSString*)javascriptCommand
{
[_webView evaluateJavaScript:javascriptCommand completionHandler:nil];
return NULL;
}
@end
#endif