Skip to content
Navigation Menu
{{ message }}
forked from TransitApp/SVWebViewController
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSVWebViewController.m
More file actions
279 lines (222 loc) · 9.63 KB
/
Copy pathSVWebViewController.m
File metadata and controls
279 lines (222 loc) · 9.63 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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
//
// SVWebViewController.m
//
// Created by Sam Vermette on 08.11.10.
// Copyright 2010 Sam Vermette. All rights reserved.
//
// https://github.com/samvermette/SVWebViewController
#import "SVWebViewControllerActivityChrome.h"
#import "SVWebViewControllerActivitySafari.h"
#import "SVWebViewController.h"
@interface SVWebViewController () <UIWebViewDelegate>
@property (nonatomic, strong) UIBarButtonItem *backBarButtonItem;
@property (nonatomic, strong) UIBarButtonItem *forwardBarButtonItem;
@property (nonatomic, strong) UIBarButtonItem *refreshBarButtonItem;
@property (nonatomic, strong) UIBarButtonItem *stopBarButtonItem;
@property (nonatomic, strong) UIBarButtonItem *actionBarButtonItem;
@property (nonatomic, strong) UIWebView *webView;
@property (nonatomic, strong) NSURLRequest *request;
@end
@implementation SVWebViewController
#pragma mark - Initialization
- (void)dealloc {
[self.webView stopLoading];
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
self.webView.delegate = nil;
}
- (instancetype)initWithAddress:(NSString *)urlString {
return [self initWithURL:[NSURL URLWithString:urlString]];
}
- (instancetype)initWithURL:(NSURL*)pageURL {
return [self initWithURLRequest:[NSURLRequest requestWithURL:pageURL]];
}
- (instancetype)initWithURLRequest:(NSURLRequest*)request {
self = [super init];
if (self) {
self.request = request;
}
return self;
}
- (void)loadRequest:(NSURLRequest*)request {
[self.webView loadRequest:request];
}
#pragma mark - View lifecycle
- (void)loadView {
self.view = self.webView;
[self loadRequest:self.request];
}
- (void)viewDidLoad {
[super viewDidLoad];
[self updateToolbarItems];
}
- (void)viewDidUnload {
[super viewDidUnload];
self.webView = nil;
_backBarButtonItem = nil;
_forwardBarButtonItem = nil;
_refreshBarButtonItem = nil;
_stopBarButtonItem = nil;
_actionBarButtonItem = nil;
}
- (void)viewWillAppear:(BOOL)animated {
NSAssert(self.navigationController, @"SVWebViewController needs to be contained in a UINavigationController. If you are presenting SVWebViewController modally, use SVModalWebViewController instead.");
[super viewWillAppear:animated];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
[self.navigationController setToolbarHidden:NO animated:animated];
}
else if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
[self.navigationController setToolbarHidden:YES animated:animated];
}
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
[self.navigationController setToolbarHidden:YES animated:animated];
}
}
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
return YES;
return toInterfaceOrientation != UIInterfaceOrientationPortraitUpsideDown;
}
#pragma mark - Getters
- (UIWebView*)webView {
if(!_webView) {
_webView = [[UIWebView alloc] initWithFrame:[UIScreen mainScreen].bounds];
_webView.delegate = self;
_webView.scalesPageToFit = YES;
}
return _webView;
}
- (UIBarButtonItem *)backBarButtonItem {
if (!_backBarButtonItem) {
_backBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"SVWebViewController.bundle/SVWebViewControllerBack"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(goBackTapped:)];
_backBarButtonItem.width = 18.0f;
}
return _backBarButtonItem;
}
- (UIBarButtonItem *)forwardBarButtonItem {
if (!_forwardBarButtonItem) {
_forwardBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"SVWebViewController.bundle/SVWebViewControllerNext"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(goForwardTapped:)];
_forwardBarButtonItem.width = 18.0f;
}
return _forwardBarButtonItem;
}
- (UIBarButtonItem *)refreshBarButtonItem {
if (!_refreshBarButtonItem) {
_refreshBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(reloadTapped:)];
}
return _refreshBarButtonItem;
}
- (UIBarButtonItem *)stopBarButtonItem {
if (!_stopBarButtonItem) {
_stopBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemStop target:self action:@selector(stopTapped:)];
}
return _stopBarButtonItem;
}
- (UIBarButtonItem *)actionBarButtonItem {
if (!_actionBarButtonItem) {
_actionBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(actionButtonTapped:)];
}
return _actionBarButtonItem;
}
#pragma mark - Toolbar
- (void)updateToolbarItems {
self.backBarButtonItem.enabled = self.self.webView.canGoBack;
self.forwardBarButtonItem.enabled = self.self.webView.canGoForward;
UIBarButtonItem *refreshStopBarButtonItem = self.self.webView.isLoading ? self.stopBarButtonItem : self.refreshBarButtonItem;
UIBarButtonItem *fixedSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
UIBarButtonItem *flexibleSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
CGFloat toolbarWidth = 250.0f;
fixedSpace.width = 35.0f;
NSArray *items = [NSArray arrayWithObjects:
fixedSpace,
refreshStopBarButtonItem,
fixedSpace,
self.backBarButtonItem,
fixedSpace,
self.forwardBarButtonItem,
fixedSpace,
self.actionBarButtonItem,
nil];
UIToolbar *toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, toolbarWidth, 44.0f)];
toolbar.items = items;
toolbar.barStyle = self.navigationController.navigationBar.barStyle;
toolbar.tintColor = self.navigationController.navigationBar.tintColor;
self.navigationItem.rightBarButtonItems = items.reverseObjectEnumerator.allObjects;
}
else {
NSArray *items = [NSArray arrayWithObjects:
fixedSpace,
self.backBarButtonItem,
flexibleSpace,
self.forwardBarButtonItem,
flexibleSpace,
refreshStopBarButtonItem,
flexibleSpace,
self.actionBarButtonItem,
fixedSpace,
nil];
self.navigationController.toolbar.barStyle = self.navigationController.navigationBar.barStyle;
self.navigationController.toolbar.tintColor = self.navigationController.navigationBar.tintColor;
self.toolbarItems = items;
}
}
#pragma mark - UIWebViewDelegate
- (void)webViewDidStartLoad:(UIWebView *)webView {
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
[self updateToolbarItems];
}
- (void)webViewDidFinishLoad:(UIWebView *)webView {
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
if (self.navigationItem.title == nil) {
self.navigationItem.title = [webView stringByEvaluatingJavaScriptFromString:@"document.title"];
}
[self updateToolbarItems];
}
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
[self updateToolbarItems];
}
#pragma mark - Target actions
- (void)goBackTapped:(UIBarButtonItem *)sender {
[self.webView goBack];
}
- (void)goForwardTapped:(UIBarButtonItem *)sender {
[self.webView goForward];
}
- (void)reloadTapped:(UIBarButtonItem *)sender {
[self.webView reload];
}
- (void)stopTapped:(UIBarButtonItem *)sender {
[self.webView stopLoading];
[self updateToolbarItems];
}
- (void)actionButtonTapped:(id)sender {
NSURL *url = self.webView.request.URL ? self.webView.request.URL : self.request.URL;
if (url != nil) {
NSArray *activities = @[[SVWebViewControllerActivitySafari new], [SVWebViewControllerActivityChrome new]];
if ([[url absoluteString] hasPrefix:@"file:///"]) {
UIDocumentInteractionController *dc = [UIDocumentInteractionController interactionControllerWithURL:url];
[dc presentOptionsMenuFromRect:self.view.bounds inView:self.view animated:YES];
} else {
UIActivityViewController *activityController = [[UIActivityViewController alloc] initWithActivityItems:@[url] applicationActivities:activities];
[self presentViewController:activityController animated:YES completion:nil];
}
}
}
- (void)doneButtonTapped:(id)sùender {
[self dismissViewControllerAnimated:YES completion:NULL];
}
@end
You can’t perform that action at this time.