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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/web/web_state/ui/crw_ui_simple_web_view_controller.h"
#include "base/ios/weak_nsobject.h"
#import "base/logging.h"
#import "base/mac/scoped_nsobject.h"
@interface CRWUISimpleWebViewController () <UIWebViewDelegate>
@end
@implementation CRWUISimpleWebViewController {
base::scoped_nsobject<UIWebView> _webView;
base::WeakNSProtocol<id<CRWSimpleWebViewControllerDelegate>> _delegate;
}
- (instancetype)initWithUIWebView:(UIWebView*)webView {
self = [super init];
if (self) {
DCHECK(webView);
_webView.reset([webView retain]);
[_webView setDelegate:self];
}
return self;
}
- (void)dealloc {
[_webView setDelegate:nil];
[super dealloc];
}
#pragma mark -
#pragma mark CRWSimpleWebView implementation
- (void)reload {
[_webView reload];
}
- (UIView*)view {
return _webView.get();
}
- (UIScrollView*)scrollView {
return [_webView scrollView];
}
- (NSString*)title {
return [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];
}
- (void)loadRequest:(NSURLRequest*)request {
[_webView loadRequest:request];
}
- (void)loadHTMLString:(NSString*)html baseURL:(NSURL*)baseURL {
[_webView loadHTMLString:html baseURL:baseURL];
}
- (void)setDelegate:(id<CRWSimpleWebViewControllerDelegate>)delegate {
_delegate.reset(delegate);
}
- (id<CRWSimpleWebViewControllerDelegate>)delegate {
return _delegate.get();
}
- (void)loadPDFAtFilePath:(NSString*)filePath {
DCHECK([[NSFileManager defaultManager] fileExistsAtPath:filePath]);
NSData* data = [NSData dataWithContentsOfFile:filePath];
[_webView loadData:data
MIMEType:@"application/pdf"
textEncodingName:@"utf-8"
baseURL:[NSURL URLWithString:@""]];
}
- (void)evaluateJavaScript:(NSString*)script
stringResultHandler:(web::JavaScriptCompletion)handler {
web::EvaluateJavaScript(_webView, script, handler);
}
#pragma mark -
#pragma mark UIWebViewDelegateMethods
- (BOOL)webView:(UIWebView*)webView
shouldStartLoadWithRequest:(NSURLRequest*)request
navigationType:(UIWebViewNavigationType)navigationType {
if ([_delegate respondsToSelector:@selector(simpleWebViewController:
shouldStartLoadWithRequest:)]) {
return [_delegate simpleWebViewController:self
shouldStartLoadWithRequest:request];
}
// By default all loads are allowed.
return YES;
}
- (void)webViewDidFinishLoad:(UIWebView*)webView {
if (![_delegate respondsToSelector:@selector(simpleWebViewController:
titleMayHaveChanged:)]) {
return;
}
[_delegate simpleWebViewController:self titleMayHaveChanged:self.title];
}
@end
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