zxing/iphone/Classes/HintsViewController.m

//
//  HintsViewController.m
//  ZXing
//
//  Created by Christian Brunschen on 30/07/2008.
/*
 * Copyright 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "HintsViewController.h"


@implementation HintsViewController

@synthesize callbackTarget;
@synthesize callbackSelectorSuccess;
@synthesize callbackSelectorFailure;
@synthesize contentPath;
@synthesize contentURL;
@synthesize content;

- (UIWebView *)webView {
  return (UIWebView *)self.view;
}

- (id)initWithTarget:(id)cbt onSuccess:(SEL)ss onFailure:(SEL)fs  {
	if (self = [super initWithNibName:@"Hints" bundle:nil]) {
    self.callbackTarget = cbt;
    self.callbackSelectorSuccess = ss;
    self.callbackSelectorFailure = fs;
    self.contentPath = [[NSBundle mainBundle] pathForResource:@"Hints" ofType:@"html"];
    self.contentURL = [NSURL fileURLWithPath:self.contentPath];
    self.content = [NSString stringWithContentsOfFile:self.contentPath];
	}
	return self;
}

- (void)loadView {
  [super loadView];
  self.webView.delegate = self;
  [self.webView loadHTMLString:self.content baseURL:self.contentURL];
}

- (void)viewDidLoad {
  [super viewDidLoad];
}


- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
	// Return YES for supported orientations
	return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
}

- (void)didReceiveMemoryWarning {
	[super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview
	// Release anything that's not essential, such as cached data
}


- (void)dealloc {
	[super dealloc];
}


// UIWebViewDelegate methods

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
  NSLog(@"failed to load content, performing failure callback");
  [self.callbackTarget performSelector:self.callbackSelectorFailure withObject:self afterDelay:0.0];
}

- (void)webViewDidFinishLoad:(UIWebView *)webView {
  NSLog(@"finished loading content, performing success callback");
  [self.callbackTarget performSelector:self.callbackSelectorSuccess withObject:self afterDelay:0.0];
}


@end