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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #import "ios/web_view/shell/shell_view_controller.h" | |
| 6 | |
| 7 #import "ios/web_view/public/criwv.h" | |
| 8 #import "ios/web_view/public/criwv_web_view.h" | |
| 9 #import "ios/web_view/shell/translate_controller.h" | |
| 10 | |
| 11 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
| 12 #error "This file requires ARC support." | |
| 13 #endif | |
| 14 | |
| 15 namespace { | |
| 16 const CGFloat kButtonSize = 44; | |
| 17 } | |
| 18 | |
| 19 @interface ShellViewController () | |
| 20 // Container for |webView|. | |
| 21 @property (nonatomic, strong) UIView* containerView; | |
| 22 // Text field used for navigating to URLs. | |
| 23 @property (nonatomic, strong) UITextField* field; | |
| 24 // Toolbar containing navigation buttons and |field|. | |
| 25 @property (nonatomic, strong) UIToolbar* toolbar; | |
| 26 // CRIWV view which renders the web page. | |
| 27 @property (nonatomic, strong) id<CRIWVWebView> webView; | |
| 28 // Handles the translation of the content displayed in |webView|. | |
| 29 @property (nonatomic, strong) TranslateController* translateController; | |
| 30 | |
| 31 - (void)back; | |
| 32 - (void)forward; | |
| 33 - (void)stopLoading; | |
| 34 @end | |
| 35 | |
| 36 @implementation ShellViewController | |
| 37 | |
| 38 @synthesize containerView = _containerView; | |
| 39 @synthesize field = _field; | |
| 40 @synthesize toolbar = _toolbar; | |
| 41 @synthesize webView = _webView; | |
| 42 @synthesize translateController = _translateController; | |
| 43 | |
| 44 - (void)viewDidLoad { | |
| 45 [super viewDidLoad]; | |
| 46 | |
| 47 CGRect bounds = self.view.bounds; | |
| 48 | |
| 49 // Set up the toolbar. | |
| 50 self.toolbar = [[UIToolbar alloc] init]; | |
| 51 [_toolbar setBarTintColor:[UIColor colorWithRed:0.337 | |
| 52 green:0.467 | |
| 53 blue:0.988 | |
| 54 alpha:1.0]]; | |
| 55 [_toolbar setFrame:CGRectMake(0, 20, CGRectGetWidth(bounds), 44)]; | |
| 56 [_toolbar setAutoresizingMask:UIViewAutoresizingFlexibleWidth | | |
| 57 UIViewAutoresizingFlexibleBottomMargin]; | |
| 58 [self.view addSubview:_toolbar]; | |
| 59 | |
| 60 // Set up the container view. | |
| 61 self.containerView = [[UIView alloc] init]; | |
| 62 [_containerView setFrame:CGRectMake(0, 64, CGRectGetWidth(bounds), | |
| 63 CGRectGetHeight(bounds) - 64)]; | |
| 64 [_containerView setBackgroundColor:[UIColor lightGrayColor]]; | |
| 65 [_containerView setAutoresizingMask:UIViewAutoresizingFlexibleWidth | | |
| 66 UIViewAutoresizingFlexibleHeight]; | |
| 67 [self.view addSubview:_containerView]; | |
| 68 | |
| 69 // Text field. | |
| 70 const int kButtonCount = 3; | |
| 71 self.field = [[UITextField alloc] | |
| 72 initWithFrame:CGRectMake(kButtonCount * kButtonSize, 6, | |
| 73 CGRectGetWidth([_toolbar frame]) - | |
| 74 kButtonCount * kButtonSize - 10, | |
| 75 31)]; | |
| 76 [_field setDelegate:self]; | |
| 77 [_field setBackground:[[UIImage imageNamed:@"textfield_background"] | |
| 78 resizableImageWithCapInsets:UIEdgeInsetsMake( | |
| 79 12, 12, 12, 12)]]; | |
| 80 [_field setAutoresizingMask:UIViewAutoresizingFlexibleWidth]; | |
| 81 [_field setKeyboardType:UIKeyboardTypeWebSearch]; | |
| 82 [_field setAutocorrectionType:UITextAutocorrectionTypeNo]; | |
| 83 [_field setClearButtonMode:UITextFieldViewModeWhileEditing]; | |
| 84 | |
| 85 // Set up the toolbar buttons. | |
| 86 // Back. | |
| 87 UIButton* back = [UIButton buttonWithType:UIButtonTypeCustom]; | |
| 88 [back setImage:[UIImage imageNamed:@"toolbar_back"] | |
| 89 forState:UIControlStateNormal]; | |
| 90 [back setFrame:CGRectMake(0, 0, kButtonSize, kButtonSize)]; | |
| 91 UIEdgeInsets insets = UIEdgeInsetsMake(5, 5, 4, 4); | |
| 92 [back setImageEdgeInsets:insets]; | |
| 93 [back setAutoresizingMask:UIViewAutoresizingFlexibleRightMargin]; | |
| 94 [back addTarget:self | |
| 95 action:@selector(back) | |
| 96 forControlEvents:UIControlEventTouchUpInside]; | |
| 97 | |
| 98 // Forward. | |
| 99 UIButton* forward = [UIButton buttonWithType:UIButtonTypeCustom]; | |
| 100 [forward setImage:[UIImage imageNamed:@"toolbar_forward"] | |
| 101 forState:UIControlStateNormal]; | |
| 102 [forward setFrame:CGRectMake(kButtonSize, 0, kButtonSize, kButtonSize)]; | |
| 103 [forward setImageEdgeInsets:insets]; | |
| 104 [forward setAutoresizingMask:UIViewAutoresizingFlexibleRightMargin]; | |
| 105 [forward addTarget:self | |
| 106 action:@selector(forward) | |
| 107 forControlEvents:UIControlEventTouchUpInside]; | |
| 108 | |
| 109 // Stop. | |
| 110 UIButton* stop = [UIButton buttonWithType:UIButtonTypeCustom]; | |
| 111 [stop setImage:[UIImage imageNamed:@"toolbar_stop"] | |
| 112 forState:UIControlStateNormal]; | |
| 113 [stop setFrame:CGRectMake(2 * kButtonSize, 0, kButtonSize, kButtonSize)]; | |
| 114 [stop setImageEdgeInsets:insets]; | |
| 115 [stop setAutoresizingMask:UIViewAutoresizingFlexibleRightMargin]; | |
| 116 [stop addTarget:self | |
| 117 action:@selector(stopLoading) | |
| 118 forControlEvents:UIControlEventTouchUpInside]; | |
| 119 | |
| 120 [_toolbar addSubview:back]; | |
| 121 [_toolbar addSubview:forward]; | |
| 122 [_toolbar addSubview:stop]; | |
| 123 [_toolbar addSubview:_field]; | |
| 124 | |
| 125 self.webView = [CRIWV webView]; | |
| 126 [_webView setDelegate:self]; | |
| 127 UIView* view = [_webView view]; | |
| 128 [_containerView addSubview:view]; | |
| 129 [view setFrame:[_containerView bounds]]; | |
| 130 [view setAutoresizingMask:UIViewAutoresizingFlexibleWidth | | |
| 131 UIViewAutoresizingFlexibleHeight]; | |
| 132 | |
| 133 [_webView loadURL:[NSURL URLWithString:@"https://www.google.com/"]]; | |
| 134 } | |
| 135 | |
| 136 - (UIBarPosition)positionForBar:(id<UIBarPositioning>)bar { | |
| 137 if (bar == _toolbar) { | |
| 138 return UIBarPositionTopAttached; | |
| 139 } | |
| 140 return UIBarPositionAny; | |
| 141 } | |
| 142 | |
| 143 - (void)back { | |
| 144 if ([_webView canGoBack]) { | |
| 145 [_webView goBack]; | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 - (void)forward { | |
| 150 if ([_webView canGoForward]) { | |
| 151 [_webView goForward]; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 - (void)stopLoading { | |
| 156 [_webView stopLoading]; | |
| 157 } | |
| 158 | |
| 159 - (BOOL)textFieldShouldReturn:(UITextField*)field { | |
| 160 [_webView loadURL:[NSURL URLWithString:[field text]]]; | |
| 161 [field resignFirstResponder]; | |
| 162 [self updateToolbar]; | |
| 163 return YES; | |
| 164 } | |
| 165 | |
| 166 - (void)updateToolbar { | |
| 167 // Do not update the URL if the text field is currently being edited. | |
| 168 if ([_field isFirstResponder]) { | |
| 169 return; | |
| 170 } | |
| 171 | |
| 172 [_field setText:[[_webView visibleURL] absoluteString]]; | |
| 173 } | |
| 174 | |
| 175 #pragma mark CRIWVWebViewDelegate methods | |
| 176 | |
| 177 - (void)webView:(id<CRIWVWebView>)webView | |
| 178 didFinishLoadingWithURL:(NSURL*)url | |
| 179 loadSuccess:(BOOL)loadSuccess { | |
| 180 // TODO(crbug.com/679895): Add some visual indication that the page load has | |
| 181 // finished. | |
| 182 [self updateToolbar]; | |
| 183 } | |
| 184 | |
| 185 - (void)webView:(id<CRIWVWebView>)webView | |
| 186 didUpdateWithChanges:(CRIWVWebViewUpdateType)changes { | |
| 187 if (changes & CRIWVWebViewUpdateTypeProgress) { | |
| 188 // TODO(crbug.com/679895): Add a progress indicator. | |
| 189 } | |
| 190 | |
| 191 if (changes & CRIWVWebViewUpdateTypeTitle) { | |
| 192 // TODO(crbug.com/679895): Add a title display. | |
| 193 } | |
| 194 | |
| 195 if (changes & CRIWVWebViewUpdateTypeURL) { | |
| 196 [self updateToolbar]; | |
| 197 } | |
| 198 } | |
| 199 | |
| 200 - (id<CRIWVTranslateDelegate>)translateDelegate { | |
| 201 if (!_translateController) | |
| 202 self.translateController = [[TranslateController alloc] init]; | |
| 203 return _translateController; | |
| 204 } | |
| 205 | |
| 206 @end | |
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Chromium Code Reviews
Issue 2659393004:
Convert ios_web_view_shell to pure Objective-C. (Closed)
