From 853f50e43f68599774469dd12240f35800144991 Mon Sep 17 00:00:00 2001
From: steckbrief <steckbrief@chefmail.de>
Date: Sat, 5 May 2018 13:41:11 +0200
Subject: Avoids going to sleep for at most 2000ms while retrieving file size
 via HTTP HEAD

---
 .../conversationsplus/http/HttpClient.java           | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/thedevstack/conversationsplus/http/HttpClient.java b/src/main/java/de/thedevstack/conversationsplus/http/HttpClient.java
index e62be056..cde0675c 100644
--- a/src/main/java/de/thedevstack/conversationsplus/http/HttpClient.java
+++ b/src/main/java/de/thedevstack/conversationsplus/http/HttpClient.java
@@ -1,5 +1,6 @@
 package de.thedevstack.conversationsplus.http;
 
+import android.os.PowerManager;
 import android.support.annotation.NonNull;
 
 import org.apache.http.conn.ssl.StrictHostnameVerifier;
@@ -36,6 +37,7 @@ import okio.Source;
  *
  */
 public final class HttpClient implements Http {
+    private static final long RETRIEVE_HEAD_WAKELOCK_TIMEOUT = 2000;
     private static HttpClient INSTANCE;
     private static final String LOGTAG = "http-client";
 
@@ -54,7 +56,7 @@ public final class HttpClient implements Http {
 
     private static OkHttpClient.Builder getBuilder(boolean interactive) {
         OkHttpClient.Builder builder = INSTANCE.client.newBuilder();
-        INSTANCE.initTrustManager(builder, interactive);
+        initTrustManager(builder, interactive);
 
         return builder;
     }
@@ -85,7 +87,21 @@ public final class HttpClient implements Http {
                 //.addHeader(HEADER_NAME_ACCEPT_ENCODING, "")
                 .head()
                 .build();
-        client.newCall(request).enqueue(callback);
+        Call call = client.newCall(request);
+        PowerManager.WakeLock wakeLock = ConversationsPlusApplication.createPartialWakeLock("http-retrieve-head-" + call.hashCode());
+        try {
+            wakeLock.acquire(RETRIEVE_HEAD_WAKELOCK_TIMEOUT);
+            Response response = call.execute();
+            if (response.isSuccessful()) {
+                callback.onResponse(call, response);
+            }
+        } catch (IOException e) {
+            callback.onFailure(call, e);
+        } finally {
+            if (wakeLock.isHeld()) {
+                wakeLock.release();
+            }
+        }
     }
 
     private HttpClient() {
-- 
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