Fix thumb load

app/src/main/java/com/hippo/conaco/Unikery.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2015 Hippo Seven
+ *
+ * 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 com.hippo.conaco;
+
+import androidx.annotation.NonNull;
+
+public interface Unikery<V> {
+
+    int INVALID_ID = -1;
+
+    /**
+     * Store the conaco task id
+     *
+     * @param id the conaco task id
+     */
+    void setTaskId(int id);
+
+    /**
+     * Get the conaco task id
+     *
+     * @return the conaco task id
+     */
+    int getTaskId();
+
+    /**
+     * On miss in the source
+     */
+    void onMiss(@Conaco.Source int source);
+
+    /**
+     * On start http request
+     */
+    void onRequest();
+
+    /**
+     * On http request progress
+     */
+    void onProgress(long singleReceivedSize, long receivedSize, long totalSize);
+
+    /**
+     * On start to wait because repeated key
+     */
+    void onWait();
+
+    /**
+     * On get the value
+     *
+     * @return {@code true} for the {@code Unikery} accepts the value
+     * and the task ends. {@code false} for the {@code Unikery}
+     * reject the value and the task goes on or failed
+     */
+    boolean onGetValue(@NonNull V value, @Conaco.Source int source);
+
+    /**
+     * On failed to get value
+     */
+    void onFailure();
+
+    /**
+     * On user cancel the conaco task
+     */
+    void onCancel();
+}