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app/android/java/com/khronos/vulkan_samples/model/Permission.java

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+/* Copyright (c) 2021, Arm Limited and Contributors
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.khronos.vulkan_samples.model;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+public class Permission {
+    private final String name;
+    private final int code;
+    private boolean requested = false;
+
+    public Permission(String name, int code) {
+        this.name = name;
+        this.code = code;
+    }
+
+    /**
+     * Set the requested state of the permission
+     *
+     * @param requested The desired requested state
+     */
+    public void setRequested(boolean requested) {
+        this.requested = requested;
+    }
+
+    /**
+     * Query if the permission has already been requested
+     *
+     * @return True if previously requested; false otherwise
+     */
+    public boolean isRequested() {
+        return requested;
+    }
+
+    /**
+     * Get the name of the permission
+     *
+     * @return The permissions name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Get the code of the permission
+     *
+     * @return The permissions code
+     */
+    public int getCode() {
+        return code;
+    }
+
+    /**
+     * Query whether the permission has been granted for the App
+     *
+     * @param ctx The activity context that needs to be queried for the permission
+     * @return True if permission granted; false otherwise
+     */
+    public boolean granted(Context ctx) {
+        return ContextCompat.checkSelfPermission(ctx, name) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    /**
+     * Request the permission for a given Activity
+     *
+     * @param activity Activity to request the permission for
+     */
+    public void request(Activity activity) {
+        ActivityCompat.requestPermissions(activity, new String[]{name}, code);
+        requested = true;
+    }
+}