Canvas2ImagePlugin.m

//
//  Canvas2ImagePlugin.m
//  Canvas2ImagePlugin PhoneGap/Cordova plugin
//
//  Created by Tommy-Carlos Williams on 29/03/12.
//  Copyright (c) 2012 Tommy-Carlos Williams. All rights reserved.
//  MIT Licensed
//

#import "Canvas2ImagePlugin.h"
#import <Cordova/CDV.h>
#import <AssetsLibrary/AssetsLibrary.h>

@implementation Canvas2ImagePlugin
@synthesize callbackId;

//-(CDVPlugin*) initWithWebView:(UIWebView*)theWebView
//{
//    self = (Canvas2ImagePlugin*)[super initWithWebView:theWebView];
//    return self;
//}

- (void)saveImageDataToLibrary:(CDVInvokedUrlCommand*)command
{
    self.callbackId = command.callbackId;
    NSData* imageData = [[NSData alloc] initWithBase64EncodedString:[command.arguments objectAtIndex:0] options:0];
    
    UIImage* image = [[[UIImage alloc] initWithData:imageData] autorelease];    
    ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
    // Request to save the image to camera roll
    [library writeImageToSavedPhotosAlbum:[image CGImage] orientation:ALAssetOrientationRight /*(ALAssetOrientation)[image imageOrientation]*/ completionBlock:^(NSURL *assetURL, NSError *error){
        if (error) {
            // Show error message...
            NSLog(@"ERROR: %@",error);
            CDVPluginResult* result = [CDVPluginResult resultWithStatus: CDVCommandStatus_ERROR messageAsString:error.description];
            [self.commandDelegate sendPluginResult:result callbackId:self.callbackId];
        } else {
            // Show message image successfully saved
            NSLog(@"IMAGE SAVED!");
            CDVPluginResult* result = [CDVPluginResult resultWithStatus: CDVCommandStatus_OK messageAsString: [assetURL absoluteString]];
            [self.commandDelegate sendPluginResult:result callbackId:self.callbackId];
        }
    }];
    [library release];
}

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


@end