Added fetch update options property to the plugin. You can use it to …

…define default download preferences from the native side.

#153

src/ios/HCPPlugin.h

@@ -6,13 +6,22 @@
 
 #import <Cordova/CDVPlugin.h>
 #import <Cordova/CDV.h>
+#import "HCPFetchUpdateOptions.h"
 
 /**
  *  Plugin main class
  */
 @interface HCPPlugin : CDVPlugin
 
-// methods, invoked from JavaScript
+#pragma mark Properties
+
+/**
+ *  Fetch update preferences. Used by default if none provided from JS side.
+ *  Can be used to controll plugin's workflow from the native side.
+ */
+@property (nonatomic, strong) HCPFetchUpdateOptions *defaultFetchUpdateOptions;
+
+#pragma mark Methods, invoked from JavaScript
 
 /**
  *  Initialize application with callback from web side.

src/ios/HCPPlugin.m

@@ -22,7 +22,7 @@
 #import "HCPAssetsFolderHelper.h"
 #import "NSError+HCPExtension.h"
 #import "HCPCleanupHelper.h"
-#import "NSDictionary+HCPFetchUpdateOptions.h"
+#import "HCPUpdateRequest.h"
 
 @interface HCPPlugin() {
     HCPFilesStructure *_filesStructure;
@@ -161,23 +161,24 @@ - (void)doLocalInit {
  *
  *  @return <code>YES</code> if download process started; <code>NO</code> otherwise
  */
-- (BOOL)_fetchUpdate:(NSString *)callbackId withOptions:(NSDictionary *)options {
+- (BOOL)_fetchUpdate:(NSString *)callbackId withOptions:(HCPFetchUpdateOptions *)options {
     if (!_isPluginReadyForWork) {
         return NO;
     }
 
-    NSURL *configURL = [options configURL];
-    if (!configURL) {
-        configURL = _pluginXmlConfig.configUrl;
+    if (!options && self.defaultFetchUpdateOptions) {
+        options = self.defaultFetchUpdateOptions;
     }
-    NSDictionary<NSString *, NSString *> *headers = [options requestHeaders];
+
+    HCPUpdateRequest *request = [[HCPUpdateRequest alloc] init];
+    request.configURL = options.configFileURL ? options.configFileURL : _pluginXmlConfig.configUrl;
+    request.requestHeaders = options.requestHeaders;
+    request.currentWebVersion = _pluginInternalPrefs.currentReleaseVersionName;
+    request.currentNativeVersion = _pluginXmlConfig.nativeInterfaceVersion;
 
     NSError *error = nil;
-    [[HCPUpdateLoader sharedInstance] downloadUpdateWithConfigUrl:configURL
-                                                currentWebVersion:_pluginInternalPrefs.currentReleaseVersionName
-                                             currentNativeVersion:_pluginXmlConfig.nativeInterfaceVersion
-                                                            error:&error
-                                                          headers:headers];
+    [[HCPUpdateLoader sharedInstance] executeDownloadRequest:request error:&error];
+
     if (error) {
         if (callbackId) {
             CDVPluginResult *errorResult = [CDVPluginResult pluginResultWithActionName:kHCPUpdateDownloadErrorEvent
@@ -725,9 +726,10 @@ - (void)jsFetchUpdate:(CDVInvokedUrlCommand *)command {
         [self sendPluginNotReadyToWorkMessageForEvent:kHCPUpdateDownloadErrorEvent callbackID:command.callbackId];
     }
 
-    NSDictionary *options = command.arguments.count ? command.arguments[0] : nil;
+    NSDictionary *optionsFromJS = command.arguments.count ? command.arguments[0] : nil;
+    HCPFetchUpdateOptions *fetchOptions = [[HCPFetchUpdateOptions alloc] initWithDictionary:optionsFromJS];
 
-    [self _fetchUpdate:command.callbackId withOptions:options];
+    [self _fetchUpdate:command.callbackId withOptions:fetchOptions];
 }
 
 - (void)jsInstallUpdate:(CDVInvokedUrlCommand *)command {

src/ios/Updater/HCPFetchUpdateOptions.h

@@ -0,0 +1,34 @@
+//
+//  HCPFetchUpdateOptions.h
+//
+//  Created by Nikolay Demyankov on 24.05.16.
+//
+
+#import <Foundation/Foundation.h>
+
+/**
+ *  Model for fetch update options.
+ */
+@interface HCPFetchUpdateOptions : NSObject
+
+/**
+ *  URL to the config file (chcp.json).
+ */
+@property (nonatomic, strong) NSURL *configFileURL;
+
+/**
+ *  Additional request headers.
+ */
+@property (nonatomic, strong) NSDictionary<NSString *, NSString *> *requestHeaders;
+
+/**
+ *  Constructor.
+ *  Used internally in the plugin.
+ *
+ *  @param dictionary dictionary with options from the JS side
+ *
+ *  @return object instance
+ */
+- (instancetype)initWithDictionary:(NSDictionary *)dictionary;
+
+@end

src/ios/Updater/HCPFetchUpdateOptions.m

@@ -0,0 +1,24 @@
+//
+//  HCPFetchUpdateOptions.m
+//
+//  Created by Nikolay Demyankov on 24.05.16.
+//
+
+#import "HCPFetchUpdateOptions.h"
+
+static NSString *const CONFIG_URL_JSON_KEY = @"config-file";
+static NSString *const REQUEST_HEADERS_JSON_KEY = @"request-headers";
+
+@implementation HCPFetchUpdateOptions
+
+- (instancetype)initWithDictionary:(NSDictionary *)dictionary {
+    self = [super init];
+    if (self) {
+        self.configFileURL = dictionary[CONFIG_URL_JSON_KEY] ? [NSURL URLWithString:dictionary[CONFIG_URL_JSON_KEY]] : nil;
+        self.requestHeaders = dictionary[REQUEST_HEADERS_JSON_KEY];
+    }
+
+    return self;
+}
+
+@end