1 files changed, 136 insertions, 0 deletions
diff --git a/media/java/android/drm/mobile1/DrmRights.java b/media/java/android/drm/mobile1/DrmRights.java
new file mode 100644
index 0000000..bcccb6a
--- /dev/null
+++ b/media/java/android/drm/mobile1/DrmRights.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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 android.drm.mobile1;
+
+/**
+ * This class provides interfaces to access the DRM rights.
+ */
+public class DrmRights {
+    /**
+     * The DRM permission of play.
+     */
+    public static final int DRM_PERMISSION_PLAY = 1;
+
+    /**
+     * The DRM permission of display.
+     */
+    public static final int DRM_PERMISSION_DISPLAY = 2;
+
+    /**
+     * The DRM permission of execute.
+     */
+    public static final int DRM_PERMISSION_EXECUTE = 3;
+
+    /**
+     * The DRM permission of print.
+     */
+    public static final int DRM_PERMISSION_PRINT = 4;
+
+    /**
+     * Successful operation.
+     */
+    private static final int JNI_DRM_SUCCESS = 0;
+
+    /**
+     * General failure.
+     */
+    private static final int JNI_DRM_FAILURE = -1;
+
+    /**
+     * The uid of this rights object.
+     */
+    private String roId = "";
+
+
+    /**
+     * Construct the DrmRights.
+     */
+    public DrmRights() {
+    }
+
+    /**
+     * Get the constraint of the given permission on this rights object.
+     *
+     * @param permission    the given permission.
+     *
+     * @return a DrmConstraint instance.
+     */
+    public DrmConstraintInfo getConstraint(int permission) {
+        DrmConstraintInfo c = new DrmConstraintInfo();
+
+        /* call native method to get latest constraint information */
+        int res = nativeGetConstraintInfo(permission, c);
+
+        if (JNI_DRM_FAILURE == res)
+            return null;
+
+        return c;
+    }
+
+    /**
+     * Consume the rights of the given permission.
+     *
+     * @param permission    the given permission.
+     *
+     * @return true if consume success.
+     *         false if consume failure.
+     */
+    public boolean consumeRights(int permission) {
+        /* call native method to consume and update rights */
+        int res = nativeConsumeRights(permission);
+
+        if (JNI_DRM_FAILURE == res)
+            return false;
+
+        return true;
+    }
+
+
+    /**
+     * native method: get the constraint information of the given permission.
+     *
+     * @param permission    the given permission.
+     * @param constraint    the instance of constraint.
+     *
+     * @return #JNI_DRM_SUCCESS if succeed.
+     *         #JNI_DRM_FAILURE if fail.
+     */
+    private native int nativeGetConstraintInfo(int permission, DrmConstraintInfo constraint);
+
+    /**
+     * native method: consume the rights of the given permission.
+     *
+     * @param permission    the given permission.
+     *
+     * @return #JNI_DRM_SUCCESS if succeed.
+     *         #JNI_DRM_FAILURE if fail.
+     */
+    private native int nativeConsumeRights(int permission);
+
+
+    /**
+     * Load the shared library to link the native methods.
+     */
+    static {
+        try {
+            System.loadLibrary("drm1_jni");
+        }
+        catch (UnsatisfiedLinkError ule) {
+            System.err.println("WARNING: Could not load libdrm1_jni.so");
+        }
+    }
+}