MTP: Add support for sending events to the host when objects are added and removed

Change-Id: Ia1d5232b919c644c670ff9ca651eca92b3f9ad42
Signed-off-by: Mike Lockwood <lockwood@android.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/media/mtp/MtpEventPacket.h b/media/mtp/MtpEventPacket.h
new file mode 100644
index 0000000..30ae869
--- /dev/null
+++ b/media/mtp/MtpEventPacket.h
@@ -0,0 +1,48 @@
+/*
+ * 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 _MTP_EVENT_PACKET_H
+#define _MTP_EVENT_PACKET_H
+
+#include "MtpPacket.h"
+#include "mtp.h"
+
+namespace android {
+
+class MtpEventPacket : public MtpPacket {
+
+public:
+                        MtpEventPacket();
+    virtual             ~MtpEventPacket();
+
+#ifdef MTP_DEVICE
+    // write our data to the given file descriptor
+    int                 write(int fd);
+#endif
+
+#ifdef MTP_HOST
+    // read our buffer from the given endpoint
+    int                 read(struct usb_endpoint *ep);
+#endif
+
+    inline MtpEventCode     getEventCode() const { return getContainerCode(); }
+    inline void             setEventCode(MtpEventCode code)
+                                                     { return setContainerCode(code); }
+};
+
+}; // namespace android
+
+#endif // _MTP_EVENT_PACKET_H