Initial contribution from Sony Corporation.

  Add DRM Framework to support DRM content playback
  together with StageFright.

  - DRM Framework code is added
     - include/drm
     - drm
  - api/current.xml is updated to include DRM Framework Java APIs
  - cmds/servicemanager/service_manager.c is modified
    to add drmManager and drmIOService.

Change-Id: I6d7bc9c7067362b500e530988a9ce241761866fb

1 files changed, 176 insertions, 0 deletions

diff --git a/include/drm/DrmInfo.h b/include/drm/DrmInfo.h
new file mode 100644
index 0000000..7b48541
--- /dev/null
+++ b/include/drm/DrmInfo.h
@@ -0,0 +1,176 @@
+/*
+ * 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_INFO_H__
+#define __DRM_INFO_H__
+
+#include "drm_framework_common.h"
+
+namespace android {
+
+/**
+ * This is an utility class in which necessary information required to transact
+ * between device and online DRM server is described. DRM Framework achieves
+ * server registration, license acquisition and any other server related transaction
+ * by passing an instance of this class to DrmManagerClient::processDrmInfo(const DrmInfo*).
+ *
+ * The Caller can retrieve the DrmInfo instance by using
+ * DrmManagerClient::acquireDrmInfo(const DrmInfoRequest*) by passing DrmInfoRequest instance.
+ *
+ */
+class DrmInfo {
+public:
+    /**
+     * Constructor for DrmInfo
+     *
+     * @param[in] infoType Type of information
+     * @param[in] drmBuffer Trigger data
+     * @param[in] mimeType MIME type
+     */
+    DrmInfo(int infoType, const DrmBuffer& drmBuffer, const String8& mimeType);
+
+    /**
+     * Destructor for DrmInfo
+     */
+    virtual ~DrmInfo() {}
+
+public:
+    /**
+     * Iterator for key
+     */
+    class KeyIterator {
+        friend class DrmInfo;
+
+    private:
+        KeyIterator(const DrmInfo* drmInfo)
+            : mDrmInfo(const_cast <DrmInfo*> (drmInfo)), mIndex(0) {}
+
+    public:
+        KeyIterator(const KeyIterator& keyIterator);
+        KeyIterator& operator=(const KeyIterator& keyIterator);
+        virtual ~KeyIterator() {}
+
+    public:
+        bool hasNext();
+        const String8& next();
+
+    private:
+        DrmInfo* mDrmInfo;
+        unsigned int mIndex;
+    };
+
+    /**
+     * Iterator
+     */
+    class Iterator {
+        friend class DrmInfo;
+
+    private:
+        Iterator(const DrmInfo* drmInfo)
+            : mDrmInfo(const_cast <DrmInfo*> (drmInfo)), mIndex(0) {}
+
+    public:
+        Iterator(const Iterator& iterator);
+        Iterator& operator=(const Iterator& iterator);
+        virtual ~Iterator() {}
+
+    public:
+        bool hasNext();
+        String8& next();
+
+    private:
+        DrmInfo* mDrmInfo;
+        unsigned int mIndex;
+    };
+
+public:
+    /**
+     * Returns information type associated with this instance
+     *
+     * @return Information type
+     */
+    int getInfoType(void) const;
+
+    /**
+     * Returns MIME type associated with this instance
+     *
+     * @return MIME type
+     */
+    String8 getMimeType(void) const;
+
+    /**
+     * Returns the trigger data associated with this instance
+     *
+     * @return Trigger data
+     */
+    const DrmBuffer& getData(void) const;
+
+    /**
+     * Returns the number of attributes contained in this instance
+     *
+     * @return Number of attributes
+     */
+    int getCount(void) const;
+
+    /**
+     * Adds optional information as <key, value> pair to this instance
+     *
+     * @param[in] key Key to add
+     * @param[in] value Value to add
+     * @return Returns the error code
+     */
+    status_t put(const String8& key, const String8& value);
+
+    /**
+     * Retrieves the value of given key
+     *
+     * @param key Key whose value to be retrieved
+     * @return The value
+     */
+    String8 get(const String8& key) const;
+
+    /**
+     * Returns KeyIterator object to walk through the keys associated with this instance
+     *
+     * @return KeyIterator object
+     */
+    KeyIterator keyIterator() const;
+
+    /**
+     * Returns Iterator object to walk through the values associated with this instance
+     *
+     * @return Iterator object
+     */
+    Iterator iterator() const;
+
+    /**
+     * Returns index of the given key
+     *
+     * @return index
+     */
+    int indexOfKey(const String8& key) const;
+
+protected:
+    int mInfoType;
+    DrmBuffer mData;
+    String8 mMimeType;
+    KeyedVector<String8, String8> mAttributes;
+};
+
+};
+
+#endif /* __DRM_INFO_H__ */
+