am 24a90c26: am d9334934: Merge "Update of DRM Framework."

* commit '24a90c2674270fee0783bafa54fd5d845bdf0c18':
  Update of DRM Framework.

2 files changed, 123 insertions, 0 deletions

diff --git a/include/drm/DrmManagerClient.h b/include/drm/DrmManagerClient.h
index 782ebae..e6ba3c4 100644
--- a/include/drm/DrmManagerClient.h
+++ b/include/drm/DrmManagerClient.h
@@ -25,6 +25,7 @@ namespace android {
 
 class DrmInfo;
 class DrmRights;
+class DrmMetadata;
 class DrmInfoEvent;
 class DrmInfoStatus;
 class DrmInfoRequest;
@@ -204,6 +205,17 @@ public:
     DrmConstraints* getConstraints(const String8* path, const int action);
 
     /**
+     * Get metadata information associated with input content
+     *
+     * @param[in] path Path of the protected content
+     * @return DrmMetadata
+     *         key-value pairs of metadata
+     * @note
+     *     In case of error, return NULL
+     */
+    DrmMetadata* getMetadata(const String8* path);
+
+    /**
      * Check whether the given mimetype or path can be handled
      *
      * @param[in] path Path of the content needs to be handled
diff --git a/include/drm/DrmMetadata.h b/include/drm/DrmMetadata.h
new file mode 100644
index 0000000..2c7538a
--- /dev/null
+++ b/include/drm/DrmMetadata.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef __DRM_METADATA_H__
+#define __DRM_METADATA_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class which contains the constraints information.
+ *
+ * As a result of DrmManagerClient::getMetadata(const String8*)
+ * an instance of DrmMetadata would be returned.
+ */
+class DrmMetadata {
+public:
+    /**
+     * Iterator for key
+     */
+    class KeyIterator {
+        friend class DrmMetadata;
+    private:
+        KeyIterator(DrmMetadata* drmMetadata) : mDrmMetadata(drmMetadata), mIndex(0) {}
+
+    public:
+        KeyIterator(const KeyIterator& keyIterator);
+        KeyIterator& operator=(const KeyIterator& keyIterator);
+        virtual ~KeyIterator() {}
+
+    public:
+        bool hasNext();
+        const String8& next();
+
+    private:
+        DrmMetadata* mDrmMetadata;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator for constraints
+     */
+    class Iterator {
+        friend class DrmMetadata;
+    private:
+        Iterator(DrmMetadata* drmMetadata) : mDrmMetadata(drmMetadata), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8 next();
+
+    private:
+        DrmMetadata* mDrmMetadata;
+        unsigned int mIndex;
+    };
+
+public:
+    DrmMetadata() {}
+    virtual ~DrmMetadata() {
+        DrmMetadata::KeyIterator keyIt = this->keyIterator();
+
+        while (keyIt.hasNext()) {
+            String8 key = keyIt.next();
+            const char* value = this->getAsByteArray(&key);
+            if (NULL != value) {
+                delete[] value;
+                value = NULL;
+            }
+        }
+        mMetadataMap.clear();
+    }
+
+public:
+    int getCount(void) const;
+    status_t put(const String8* key, const char* value);
+    String8 get(const String8& key) const;
+    const char* getAsByteArray(const String8* key) const;
+    KeyIterator keyIterator();
+    Iterator iterator();
+
+private:
+    const char* getValue(const String8* key) const;
+
+private:
+    typedef KeyedVector<String8, const char*> DrmMetadataMap;
+    DrmMetadataMap mMetadataMap;
+};
+
+};
+
+#endif /* __DRM_METADATA_H__ */
+