From 40e26900b0edc59dba93ce7b1b9e96fabff57389 Mon Sep 17 00:00:00 2001
From: Benoit Marty <benoit@matrix.org>
Date: Mon, 2 May 2022 17:21:26 +0200
Subject: [PATCH] Create a Clock SDK side (#4562)

---
 .../sdk/internal/util/system/SystemModule.kt  |  5 +++
 .../android/sdk/internal/util/time/Clock.kt   | 36 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/time/Clock.kt

diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/system/SystemModule.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/system/SystemModule.kt
index 8a7b50175a..396d12f369 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/system/SystemModule.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/system/SystemModule.kt
@@ -18,10 +18,15 @@ package org.matrix.android.sdk.internal.util.system
 
 import dagger.Binds
 import dagger.Module
+import org.matrix.android.sdk.internal.util.time.Clock
+import org.matrix.android.sdk.internal.util.time.DefaultClock
 
 @Module
 internal abstract class SystemModule {
 
     @Binds
     abstract fun bindBuildVersionSdkIntProvider(provider: DefaultBuildVersionSdkIntProvider): BuildVersionSdkIntProvider
+
+    @Binds
+    abstract fun bindClock(clock: DefaultClock): Clock
 }
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/time/Clock.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/time/Clock.kt
new file mode 100644
index 0000000000..4fe9069b49
--- /dev/null
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/time/Clock.kt
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2022 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.matrix.android.sdk.internal.util.time
+
+import javax.inject.Inject
+
+internal interface Clock {
+    fun epochMillis(): Long
+}
+
+internal class DefaultClock @Inject constructor() : Clock {
+
+    /**
+     * Provides a UTC epoch in milliseconds
+     *
+     * This value is not guaranteed to be correct with reality
+     * as a User can override the system time and date to any values.
+     */
+    override fun epochMillis(): Long {
+        return System.currentTimeMillis()
+    }
+}