1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
6
7 #include "base/bind.h"
8 #include "base/metrics/histogram.h"
9 #include "chrome/browser/profiles/profile.h"
10 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
11 #include "chrome/common/pref_names.h"
12 #include "components/pref_registry/pref_registry_syncable.h"
13 #include "content/public/browser/web_ui.h"
14 #include "extensions/browser/extension_registry.h"
15 #include "extensions/common/constants.h"
16 #include "extensions/common/extension.h"
17 #include "extensions/common/extension_set.h"
18 #include "net/base/escape.h"
19
20 namespace {
21 const net::UnescapeRule::Type kUnescapeRules =
22 net::UnescapeRule::NORMAL | net::UnescapeRule::URL_SPECIAL_CHARS;
23 }
24
CoreAppLauncherHandler()25 CoreAppLauncherHandler::CoreAppLauncherHandler() {}
26
~CoreAppLauncherHandler()27 CoreAppLauncherHandler::~CoreAppLauncherHandler() {}
28
29 // static
RecordAppLaunchType(extension_misc::AppLaunchBucket bucket,extensions::Manifest::Type app_type)30 void CoreAppLauncherHandler::RecordAppLaunchType(
31 extension_misc::AppLaunchBucket bucket,
32 extensions::Manifest::Type app_type) {
33 DCHECK_LT(bucket, extension_misc::APP_LAUNCH_BUCKET_BOUNDARY);
34 if (app_type == extensions::Manifest::TYPE_PLATFORM_APP) {
35 UMA_HISTOGRAM_ENUMERATION(extension_misc::kPlatformAppLaunchHistogram,
36 bucket,
37 extension_misc::APP_LAUNCH_BUCKET_BOUNDARY);
38 } else {
39 UMA_HISTOGRAM_ENUMERATION(extension_misc::kAppLaunchHistogram,
40 bucket,
41 extension_misc::APP_LAUNCH_BUCKET_BOUNDARY);
42 }
43 }
44
45 // static
RecordAppListSearchLaunch(const extensions::Extension * extension)46 void CoreAppLauncherHandler::RecordAppListSearchLaunch(
47 const extensions::Extension* extension) {
48 extension_misc::AppLaunchBucket bucket =
49 extension_misc::APP_LAUNCH_APP_LIST_SEARCH;
50 if (extension->id() == extensions::kWebStoreAppId)
51 bucket = extension_misc::APP_LAUNCH_APP_LIST_SEARCH_WEBSTORE;
52 else if (extension->id() == extension_misc::kChromeAppId)
53 bucket = extension_misc::APP_LAUNCH_APP_LIST_SEARCH_CHROME;
54 RecordAppLaunchType(bucket, extension->GetType());
55 }
56
57 // static
RecordAppListMainLaunch(const extensions::Extension * extension)58 void CoreAppLauncherHandler::RecordAppListMainLaunch(
59 const extensions::Extension* extension) {
60 extension_misc::AppLaunchBucket bucket =
61 extension_misc::APP_LAUNCH_APP_LIST_MAIN;
62 if (extension->id() == extensions::kWebStoreAppId)
63 bucket = extension_misc::APP_LAUNCH_APP_LIST_MAIN_WEBSTORE;
64 else if (extension->id() == extension_misc::kChromeAppId)
65 bucket = extension_misc::APP_LAUNCH_APP_LIST_MAIN_CHROME;
66 RecordAppLaunchType(bucket, extension->GetType());
67 }
68
69 // static
RecordWebStoreLaunch()70 void CoreAppLauncherHandler::RecordWebStoreLaunch() {
71 RecordAppLaunchType(extension_misc::APP_LAUNCH_NTP_WEBSTORE,
72 extensions::Manifest::TYPE_HOSTED_APP);
73 }
74
75 // static
RegisterProfilePrefs(user_prefs::PrefRegistrySyncable * registry)76 void CoreAppLauncherHandler::RegisterProfilePrefs(
77 user_prefs::PrefRegistrySyncable* registry) {
78 registry->RegisterListPref(prefs::kNtpAppPageNames,
79 user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
80 }
81
HandleRecordAppLaunchByUrl(const base::ListValue * args)82 void CoreAppLauncherHandler::HandleRecordAppLaunchByUrl(
83 const base::ListValue* args) {
84 std::string url;
85 CHECK(args->GetString(0, &url));
86 double source;
87 CHECK(args->GetDouble(1, &source));
88
89 extension_misc::AppLaunchBucket bucket =
90 static_cast<extension_misc::AppLaunchBucket>(static_cast<int>(source));
91 CHECK(source < extension_misc::APP_LAUNCH_BUCKET_BOUNDARY);
92
93 RecordAppLaunchByUrl(Profile::FromWebUI(web_ui()), url, bucket);
94 }
95
RecordAppLaunchByUrl(Profile * profile,std::string escaped_url,extension_misc::AppLaunchBucket bucket)96 void CoreAppLauncherHandler::RecordAppLaunchByUrl(
97 Profile* profile,
98 std::string escaped_url,
99 extension_misc::AppLaunchBucket bucket) {
100 CHECK(bucket != extension_misc::APP_LAUNCH_BUCKET_INVALID);
101
102 GURL url(net::UnescapeURLComponent(escaped_url, kUnescapeRules));
103 if (!extensions::ExtensionRegistry::Get(profile)
104 ->enabled_extensions().GetAppByURL(url)) {
105 return;
106 }
107
108 RecordAppLaunchType(bucket, extensions::Manifest::TYPE_HOSTED_APP);
109 }
110
RegisterMessages()111 void CoreAppLauncherHandler::RegisterMessages() {
112 web_ui()->RegisterMessageCallback("recordAppLaunchByURL",
113 base::Bind(&CoreAppLauncherHandler::HandleRecordAppLaunchByUrl,
114 base::Unretained(this)));
115 }
116