1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
package com.pitchedapps.frost.services
import android.app.job.JobInfo
import android.app.job.JobParameters
import android.app.job.JobScheduler
import android.app.job.JobService
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.os.BaseBundle
import android.os.PersistableBundle
import com.pitchedapps.frost.facebook.requests.RequestAuth
import com.pitchedapps.frost.facebook.requests.fbRequest
import com.pitchedapps.frost.facebook.requests.markNotificationRead
import com.pitchedapps.frost.utils.EnumBundle
import com.pitchedapps.frost.utils.EnumBundleCompanion
import com.pitchedapps.frost.utils.EnumCompanion
import com.pitchedapps.frost.utils.L
import org.jetbrains.anko.doAsync
import java.util.concurrent.Future
/**
* Created by Allan Wang on 28/12/17.
*/
/**
* Private helper data
*/
private enum class FrostRequestCommands : EnumBundle<FrostRequestCommands> {
NOTIF_READ {
override fun invoke(auth: RequestAuth, bundle: PersistableBundle) {
val id = bundle.getLong(ARG_0, -1L)
val success = auth.markNotificationRead(id).invoke()
L.d("Marked notif $id as read: $success")
}
override fun propagate(bundle: BaseBundle) =
FrostRunnable.prepareMarkNotificationRead(
bundle.getLong(ARG_0),
bundle.getCookie())
};
override val bundleContract: EnumBundleCompanion<FrostRequestCommands>
get() = Companion
/**
* Call request with arguments inside bundle
*/
abstract fun invoke(auth: RequestAuth, bundle: PersistableBundle)
/**
* Return bundle builder given arguments in the old bundle
* Must not write to old bundle!
*/
abstract fun propagate(bundle: BaseBundle): BaseBundle.() -> Unit
companion object : EnumCompanion<FrostRequestCommands>("frost_arg_commands", values())
}
private const val ARG_COMMAND = "frost_request_command"
private const val ARG_COOKIE = "frost_request_cookie"
private const val ARG_0 = "frost_request_arg_0"
private const val ARG_1 = "frost_request_arg_1"
private const val ARG_2 = "frost_request_arg_2"
private const val ARG_3 = "frost_request_arg_3"
private const val JOB_REQUEST_BASE = 928
private fun BaseBundle.getCookie() = getString(ARG_COOKIE)
private fun BaseBundle.putCookie(cookie: String) = putString(ARG_COOKIE, cookie)
/**
* Singleton handler for running requests in [FrostRequestService]
* Requests are typically completely decoupled from the UI,
* and are optional enhancers.
*
* Nothing guarantees the completion time, or whether it even executes at all
*
* Design:
* prepare function - creates a bundle binder
* actor function - calls the service with the given arguments
*
* Global:
* propagator - given a bundle with a command, extracts and executes the requests
*/
object FrostRunnable {
fun prepareMarkNotificationRead(id: Long, cookie: String): BaseBundle.() -> Unit = {
FrostRequestCommands.NOTIF_READ.put(this)
putLong(ARG_0, id)
putCookie(cookie)
}
fun markNotificationRead(context: Context, id: Long, cookie: String): Boolean {
if (id <= 0) {
L.d("Invalid notification id $id for marking as read")
return false
}
return schedule(context, FrostRequestCommands.NOTIF_READ,
prepareMarkNotificationRead(id, cookie))
}
fun propagate(context: Context, intent: Intent?) {
intent?.extras ?: return
val command = FrostRequestCommands[intent] ?: return
intent.removeExtra(ARG_COMMAND) // reset
L.d("Propagating command ${command.name}")
val builder = command.propagate(intent.extras)
schedule(context, command, builder)
}
private fun schedule(context: Context,
command: FrostRequestCommands,
bundleBuilder: PersistableBundle.() -> Unit): Boolean {
val scheduler = context.getSystemService(Context.JOB_SCHEDULER_SERVICE) as JobScheduler
val serviceComponent = ComponentName(context, FrostRequestService::class.java)
val bundle = PersistableBundle()
bundle.bundleBuilder()
bundle.putString(ARG_COMMAND, command.name)
if (bundle.getCookie().isNullOrBlank()) {
L.e("Scheduled frost request with empty cookie)")
return false
}
val builder = JobInfo.Builder(JOB_REQUEST_BASE + command.ordinal, serviceComponent)
.setMinimumLatency(0L)
.setExtras(bundle)
.setOverrideDeadline(2000L)
.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
val result = scheduler.schedule(builder.build())
if (result <= 0) {
L.eThrow("FrostRequestService scheduler failed for ${command.name}")
return false
}
L.d("Scheduled ${command.name}")
return true
}
}
class FrostRequestService : JobService() {
var future: Future<Unit>? = null
override fun onStopJob(params: JobParameters?): Boolean {
future?.cancel(true)
future = null
return false
}
override fun onStartJob(params: JobParameters?): Boolean {
val bundle = params?.extras
if (bundle == null) {
L.eThrow("Launched ${this::class.java.simpleName} without param data")
return false
}
val cookie = bundle.getCookie()
if (cookie.isNullOrBlank()) {
L.eThrow("Launched ${this::class.java.simpleName} without cookie")
return false
}
val command = FrostRequestCommands[bundle]
if (command == null) {
L.eThrow("Launched ${this::class.java.simpleName} without command")
return false
}
val now = System.currentTimeMillis()
future = doAsync {
cookie.fbRequest {
L.d("Requesting frost service for ${command.name}")
command.invoke(this, bundle)
}
L.d("Finished frost service for ${command.name} in ${System.currentTimeMillis() - now} ms")
jobFinished(params, false)
}
return true
}
}
|
