/core/externals/update-engine/Core/KSPromptAction.m

 1// Copyright 2008 Google Inc.
 2//
 3// Licensed under the Apache License, Version 2.0 (the "License");
 4// you may not use this file except in compliance with the License.
 5// You may obtain a copy of the License at
 6//
 7//     http://www.apache.org/licenses/LICENSE-2.0
 8//
 9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#import "KSPromptAction.h"
16#import "KSUpdateEngine.h"
17#import "KSActionProcessor.h"
18#import "KSActionPipe.h"
19#import "KSUpdateInfo.h"
20#import "KSUpdateAction.h"
21#import "KSFrameworkStats.h"
22
23
24@implementation KSPromptAction
25
26// A quick note about stats:
27//
28// We collect 3 stats in this method.
29// kStatPrompts - which is the number of times we send a list of avail updates
30// kStatPromptApps - which is the number of apps that we prompted about
31// kStatPromptUpdates - which is the number of apps that the user was prompted
32//                      for, and the user said "yes" to installing the update
33- (NSArray *)productsToUpdateFromAvailable:(NSArray *)availableUpdates {
34  int numUpdates = [availableUpdates count];
35  if (numUpdates > 0) {
36    [[KSFrameworkStats sharedStats] incrementStat:kStatPrompts];
37    [[KSFrameworkStats sharedStats] incrementStat:kStatPromptApps
38                                               by:numUpdates];
39  }
40  
41  NSArray *updatesToInstall = [[self engine] action:self
42                               shouldUpdateProducts:availableUpdates];
43  
44  [[KSFrameworkStats sharedStats] incrementStat:kStatPromptUpdates
45                                             by:[updatesToInstall count]];
46  
47  return updatesToInstall;
48}
49
50@end