Remove reactivex from debugger

app/src/main/kotlin/com/pitchedapps/frost/activities/DebugActivity.kt

@@ -22,6 +22,7 @@ import android.content.Intent
 import android.content.res.ColorStateList
 import android.os.Bundle
 import ca.allanwang.kau.internal.KauBaseActivity
+import ca.allanwang.kau.utils.launchMain
 import ca.allanwang.kau.utils.setIcon
 import ca.allanwang.kau.utils.visible
 import com.mikepenz.google_material_typeface_library.GoogleMaterial
@@ -32,12 +33,12 @@ import com.pitchedapps.frost.utils.L
 import com.pitchedapps.frost.utils.Prefs
 import com.pitchedapps.frost.utils.createFreshDir
 import com.pitchedapps.frost.utils.setFrostColors
-import io.reactivex.Single
-import io.reactivex.android.schedulers.AndroidSchedulers
-import io.reactivex.schedulers.Schedulers
 import kotlinx.android.synthetic.main.activity_debug.*
 import kotlinx.android.synthetic.main.view_main_fab.*
+import kotlinx.coroutines.CoroutineExceptionHandler
 import java.io.File
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
 
 /**
  * Created by Allan Wang on 05/01/18.
@@ -74,36 +75,32 @@ class DebugActivity : KauBaseActivity() {
         fab.setOnClickListener { _ ->
             fab.hide()
 
-            val parent = baseDir(this)
-            parent.createFreshDir()
-            val rxScreenshot = Single.fromCallable {
-                debug_webview.getScreenshot(File(parent, "screenshot.png"))
-            }.subscribeOn(Schedulers.io())
-            val rxBody = Single.create<String> { emitter ->
-                debug_webview.evaluateJavascript(JsActions.RETURN_BODY.function) {
-                    emitter.onSuccess(it)
-                }
-            }.subscribeOn(AndroidSchedulers.mainThread())
-            Single.zip(listOf(rxScreenshot, rxBody)) {
-                val screenshot = it[0] == true
-                val body = it[1] as? String
-                screenshot to body
-            }.observeOn(AndroidSchedulers.mainThread())
-                .subscribe { (screenshot, body), err ->
-                    if (err != null) {
-                        L.e { "DebugActivity error ${err.message}" }
-                        setResult(Activity.RESULT_CANCELED)
-                        finish()
-                        return@subscribe
+            val errorHandler = CoroutineExceptionHandler { _, throwable ->
+                L.e { "DebugActivity error ${throwable.message}" }
+                setResult(Activity.RESULT_CANCELED)
+                finish()
+            }
+
+            launchMain(errorHandler) {
+                val parent = baseDir(this@DebugActivity)
+                parent.createFreshDir()
+
+                val body: String? = suspendCoroutine { cont ->
+                    debug_webview.evaluateJavascript(JsActions.RETURN_BODY.function) {
+                        cont.resume(it)
                     }
-                    val intent = Intent()
-                    intent.putExtra(RESULT_URL, debug_webview.url)
-                    intent.putExtra(RESULT_SCREENSHOT, screenshot)
-                    if (body != null)
-                        intent.putExtra(RESULT_BODY, body)
-                    setResult(Activity.RESULT_OK, intent)
-                    finish()
                 }
+
+                val hasScreenshot: Boolean = debug_webview.getScreenshot(File(parent, "screenshot.png"))
+
+                val intent = Intent()
+                intent.putExtra(RESULT_URL, debug_webview.url)
+                intent.putExtra(RESULT_SCREENSHOT, hasScreenshot)
+                if (body != null)
+                    intent.putExtra(RESULT_BODY, body)
+                setResult(Activity.RESULT_OK, intent)
+                finish()
+            }
         }
     }
 

app/src/main/kotlin/com/pitchedapps/frost/activities/LoginActivity.kt

@@ -33,9 +33,10 @@ import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
 import com.pitchedapps.frost.R
 import com.pitchedapps.frost.dbflow.CookieModel
-import com.pitchedapps.frost.dbflow.fetchUsername
 import com.pitchedapps.frost.dbflow.loadFbCookiesSuspend
+import com.pitchedapps.frost.dbflow.saveFbCookie
 import com.pitchedapps.frost.facebook.FbCookie
+import com.pitchedapps.frost.facebook.FbItem
 import com.pitchedapps.frost.facebook.profilePictureUrl
 import com.pitchedapps.frost.glide.FrostGlide
 import com.pitchedapps.frost.glide.GlideApp
@@ -43,6 +44,7 @@ import com.pitchedapps.frost.glide.transform
 import com.pitchedapps.frost.utils.L
 import com.pitchedapps.frost.utils.Showcase
 import com.pitchedapps.frost.utils.frostEvent
+import com.pitchedapps.frost.utils.frostJsoup
 import com.pitchedapps.frost.utils.launchNewTask
 import com.pitchedapps.frost.utils.logFrostEvent
 import com.pitchedapps.frost.utils.setFrostColors
@@ -55,6 +57,8 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withContext
+import kotlinx.coroutines.withTimeout
+import java.net.UnknownHostException
 import kotlin.coroutines.resume
 
 /**
@@ -168,11 +172,22 @@ class LoginActivity : BaseActivity() {
     }
 
     private suspend fun loadUsername(cookie: CookieModel): String = withContext(Dispatchers.IO) {
-        suspendCancellableCoroutine<String> { cont ->
-            cookie.fetchUsername {
-                cont.resume(it)
+        val result: String = try {
+            withTimeout(5000) {
+                frostJsoup(cookie.cookie, FbItem.PROFILE.url).title()
             }
+        } catch (e: Exception) {
+            if (e !is UnknownHostException)
+                e.logFrostEvent("Fetch username failed")
+            ""
         }
+
+        if (cookie.name?.isNotBlank() == false && result != cookie.name) {
+            cookie.name = result
+            saveFbCookie(cookie)
+        }
+
+        cookie.name ?: ""
     }
 
     override fun backConsumer(): Boolean {

app/src/main/kotlin/com/pitchedapps/frost/dbflow/CookiesDb.kt

@@ -17,11 +17,7 @@
 package com.pitchedapps.frost.dbflow
 
 import android.os.Parcelable
-import com.pitchedapps.frost.dbflow.CookieModel_Table.cookie
-import com.pitchedapps.frost.facebook.FbItem
 import com.pitchedapps.frost.utils.L
-import com.pitchedapps.frost.utils.frostJsoup
-import com.pitchedapps.frost.utils.logFrostEvent
 import com.raizlabs.android.dbflow.annotation.ConflictAction
 import com.raizlabs.android.dbflow.annotation.Database
 import com.raizlabs.android.dbflow.annotation.PrimaryKey
@@ -37,8 +33,6 @@ import com.raizlabs.android.dbflow.structure.BaseModel
 import kotlinx.android.parcel.Parcelize
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import kotlinx.coroutines.withTimeoutOrNull
-import java.net.UnknownHostException
 
 /**
  * Created by Allan Wang on 2017-05-30.
@@ -95,22 +89,4 @@ fun removeCookie(id: Long) {
         L.d { "Fb cookie deleted" }
         L._d { id }
     }
-}
-
-suspend fun CookieModel.fetchUsername(): String? = withContext(Dispatchers.IO) {
-    withTimeoutOrNull(5000) {
-        var result: String? = null
-        try {
-            result = frostJsoup(cookie, FbItem.PROFILE.url).title()
-            L.d { "Fetch username found" }
-        } catch (e: Exception) {
-            if (e !is UnknownHostException)
-                e.logFrostEvent("Fetch username failed")
-        }
-        if (name?.isNotBlank() == false && result != null && result != name) {
-            name = result
-            saveFbCookie(this@fetchUsername)
-        }
-        result
-    }
 }

app/src/main/kotlin/com/pitchedapps/frost/facebook/requests/FbRequest.kt

@@ -26,8 +26,6 @@ import com.pitchedapps.frost.facebook.USER_AGENT_BASIC
 import com.pitchedapps.frost.facebook.get
 import com.pitchedapps.frost.kotlin.Flyweight
 import com.pitchedapps.frost.utils.L
-import io.reactivex.Single
-import io.reactivex.schedulers.Schedulers
 import kotlinx.coroutines.GlobalScope
 import okhttp3.Call
 import okhttp3.FormBody
@@ -35,7 +33,6 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.logging.HttpLoggingInterceptor
 import org.apache.commons.text.StringEscapeUtils
-import java.lang.Exception
 
 /**
  * Created by Allan Wang on 21/12/17.
@@ -142,19 +139,6 @@ fun String.getAuth(): RequestAuth {
     return auth
 }
 
-inline fun <T, reified R : Any, O> Array<T>.zip(
-    crossinline mapper: (List<R>) -> O,
-    crossinline caller: (T) -> R
-): Single<O> {
-    if (isEmpty())
-        return Single.just(mapper(emptyList()))
-    val singles = map { Single.fromCallable { caller(it) }.subscribeOn(Schedulers.io()) }
-    return Single.zip(singles) {
-        val results = it.mapNotNull { it as? R }
-        mapper(results)
-    }
-}
-
 /**
  * Execute the call and attempt to check validity
  * Valid = not blank & no "error" instance

app/src/main/kotlin/com/pitchedapps/frost/web/DebugWebView.kt

@@ -23,7 +23,6 @@ import android.graphics.Color
 import android.util.AttributeSet
 import android.view.View
 import android.webkit.WebView
-import androidx.annotation.WorkerThread
 import ca.allanwang.kau.utils.withAlpha
 import com.pitchedapps.frost.facebook.USER_AGENT_BASIC
 import com.pitchedapps.frost.injectors.CssAssets
@@ -33,6 +32,8 @@ import com.pitchedapps.frost.utils.L
 import com.pitchedapps.frost.utils.Prefs
 import com.pitchedapps.frost.utils.createFreshFile
 import com.pitchedapps.frost.utils.isFacebookUrl
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import java.io.File
 
 /**
@@ -61,14 +62,16 @@ class DebugWebView @JvmOverloads constructor(
         isDrawingCacheEnabled = true
     }
 
-    @WorkerThread
-    fun getScreenshot(output: File): Boolean {
+    /**
+     * Fetches a screenshot of the current webview, returning true if successful, false otherwise.
+     */
+    suspend fun getScreenshot(output: File): Boolean = withContext(Dispatchers.IO) {
 
         if (!output.createFreshFile()) {
             L.e { "Failed to create ${output.absolutePath} for debug screenshot" }
-            return false
+            return@withContext false
         }
-        return try {
+        try {
             output.outputStream().use {
                 drawingCache.compress(Bitmap.CompressFormat.PNG, 100, it)
             }