LDPBaseWebViewCrtl.m

//
//  LDPBaseWebViewCrtl.m
//  CommonJSAPI
//
//  Created by 庞辉 on 14-10-13.
//  Copyright (c) 2014年 庞辉. All rights reserved.
//

#import "LDPBaseWebViewCrtl.h"
#import "LDJSService.h"

#define ARR_PLUGINS_CLASS @[ @"LDPDevice" ]
#define ARR_PLUGINS_KEY @[ @"device" ]

@interface LDPBaseWebViewCrtl () <UIWebViewDelegate> {
    UIWebView *_webview;
    UIActivityIndicatorView *_activityView;
    LDJSService *_bridgeService;
    int _shareType;
}

@end

@implementation LDPBaseWebViewCrtl
@synthesize url = _url;
@synthesize jsCallback = _jsCallback;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        UIBarButtonItem *refreshItem =
            [[UIBarButtonItem alloc] initWithTitle:@"刷新"
                                             style:UIBarButtonItemStylePlain
                                            target:self
                                            action:@selector(refresh)];
        UIBarButtonItem *forwardItem =
            [[UIBarButtonItem alloc] initWithTitle:@"前进"
                                             style:UIBarButtonItemStylePlain
                                            target:self
                                            action:@selector(forward)];
        UIBarButtonItem *backItem = [[UIBarButtonItem alloc] initWithTitle:@"后退"
                                                                     style:UIBarButtonItemStylePlain
                                                                    target:self
                                                                    action:@selector(back)];
        self.navigationItem.rightBarButtonItems = @[ backItem, forwardItem, refreshItem ];
    }
    return self;
}


- (void)refresh
{
    if (_webview) {
        [_webview reload];
    }
}

- (void)forward
{
    if ([_webview canGoForward]) {
        [_webview goForward];
    }
}

- (void)back
{
    if ([_webview canGoBack]) {
        [_webview goBack];
    }
}


#pragma mark navigationItem-Control
- (void)setNavigationRightBtnWithType:(int)type andTitle:(NSString *)title
{
    _shareType = type;
    switch (type) {
        case 1: {
            self.navigationItem.rightBarButtonItem =
                [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCompose
                                                              target:self
                                                              action:@selector(rightBtnAction)];
        } break;
        case 2: {
            self.navigationItem.rightBarButtonItem =
                [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash
                                                              target:self
                                                              action:@selector(rightBtnAction)];
        }

        break;
        case 3: {
            self.navigationItem.rightBarButtonItem =
                [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemBookmarks
                                                              target:self
                                                              action:@selector(rightBtnAction)];
        } break;
        case 4: {
            self.navigationItem.rightBarButtonItem =
                [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction
                                                              target:self
                                                              action:@selector(rightBtnAction)];
        } break;
        default: {
            if ([title isEqualToString:@""]) title = @"分享";
            self.navigationItem.rightBarButtonItem =
                [[UIBarButtonItem alloc] initWithTitle:title
                                                 style:UIBarButtonItemStylePlain
                                                target:self
                                                action:@selector(rightBtnAction)];
        } break;
    }
}


- (void)rightBtnAction
{
    if (_jsCallback && ![_jsCallback isEqualToString:@""]) {
        [_webview stringByEvaluatingJavaScriptFromString:_jsCallback];

    } else {
        NSLog(@"nothing to do");
    }
}


- (void)viewDidLoad
{
    [super viewDidLoad];
    self.navigationItem.title = @"Mobile JS Service";

    //创建webview
    [self createGapView];

    _activityView = [[UIActivityIndicatorView alloc]
        initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
    _activityView.center =
        CGPointMake(self.view.frame.size.width / 2.0f, self.view.frame.size.height / 2.0f);
    [self.view addSubview:_activityView];


    //注册插件Service
    if (_bridgeService == nil) {
        _bridgeService = [[LDJSService alloc] initBridgeServiceWithConfig:@"PluginConfig.json"];
    }
    [_bridgeService connect:_webview Controller:self];


    //加载请求
    if (self.url && ![self.url isEqualToString:@""]) {
        NSURL *url = [NSURL URLWithString:self.url];
        NSURLRequest *appReq = [NSURLRequest requestWithURL:url
                                                cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
                                            timeoutInterval:20.0];
        [_webview loadRequest:appReq];
    }
}

- (void)dealloc
{
    [_bridgeService close];
    _bridgeService = nil;
    _webview = nil;
}


#pragma mark activity-style
/**
 *控制webview菊花的显示、隐藏和颜色
 */
- (void)showActivityLoading
{
    _activityView.hidden = NO;
    [_activityView startAnimating];
}

- (void)hideActivityLoading
{
    _activityView.hidden = YES;
    [_activityView stopAnimating];
}

- (void)setActivityLoadingColor:(UIColor *)color
{
    _activityView.color = color;
}


/**
 * 创建webview
 *
 * @param bounds
 */
- (void)createGapView
{
    CGRect webViewBounds = self.view.bounds;
    webViewBounds.origin = self.view.bounds.origin;

    _webview = [self newCordovaViewWithFrame:webViewBounds];
    _webview.delegate = self;
    _webview.autoresizingMask =
        (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);

    [self.view addSubview:_webview];
    [self.view sendSubviewToBack:_webview];
}

- (UIWebView *)newCordovaViewWithFrame:(CGRect)bounds
{
    return [[UIWebView alloc] initWithFrame:bounds];
}


#pragma mark UIWebViewDelegate
/**
 When web application loads Add stuff to the DOM, mainly the user-defined settings from the
 Settings.plist file, and
 the device's data such as device ID, platform version, etc.
 */
- (void)webViewDidStartLoad:(UIWebView *)theWebView
{
    NSLog(@"Resetting plugins due to page load.");
}

/**
 Called when the webview finishes loading.  This stops the activity view.
 */
- (void)webViewDidFinishLoad:(UIWebView *)theWebView
{
    NSLog(@"Finished load of: %@", theWebView.request.URL);
    //当webview finish load之后，发event事件通知前端JSBridgeService已经就绪
    //监听事件由各个产品自行决定
    [_bridgeService readyWithEvent:@"LDJSBridgeServiceReady"];
}

- (void)webView:(UIWebView *)theWebView didFailLoadWithError:(NSError *)error
{
    NSLog(@"Failed to load webpage with error: %@", [error localizedDescription]);
}

- (BOOL)webView:(UIWebView *)theWebView
    shouldStartLoadWithRequest:(NSURLRequest *)request
                navigationType:(UIWebViewNavigationType)navigationType
{
    NSURL *url = [request URL];
    NSLog(@"url:::::%@", [url absoluteString]);
    return YES;
}


@end