ZXing iPhone Client: first partially functional version

Classes/CallAction.m

+//
+//  CallAction.m
+//  ZXing
+//
+//  Created by Christian Brunschen on 28/05/2008.
+/*
+ * Copyright 2008 Google Inc.
+ *
+ * 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 "CallAction.h"
+
+
+@implementation CallAction
+
+@synthesize number;
+
++ (NSURL *)urlForNumber:(NSString *)number {
+  NSString *urlString = [NSString stringWithFormat:@"tel:%@", number];
+  return [NSURL URLWithString:urlString];
+}
+
+- initWithNumber:(NSString *)n {
+  if ((self = [super initWithURL:[[self class] urlForNumber:n]]) != nil) {
+    self.number = n;
+  }
+  return self;
+}
+
++ actionWithNumber:(NSString *)number {
+  return [[[self alloc] initWithNumber:number] autorelease];
+}
+
+- (NSString *)title {
+  return [NSString stringWithFormat:@"Call %@", self.number];
+}
+
+- (NSString *)alertTitle {
+  return @"Call";
+}
+
+- (NSString *)alertMessage {
+  return [NSString stringWithFormat:@"Call %@?", self.number];
+}
+
+- (NSString *)alertButtonTitle {
+  return @"Call";
+}
+
+
+- (void) dealloc {
+  [number release];
+  [super dealloc];
+}
+
+@end