commit 873871f3e75831bcda6c3f75bb4d53355ca5c53a
author Mike Lockwood <lockwood@android.com> Mon Jul 12 18:54:16 2010 -0400
committer Mike Lockwood <lockwood@android.com> Tue Jul 13 20:04:22 2010 -0400
tree e7fcffe64b2104cba18df6f35cf736cee63eb2d3
parent 4714b0766ecf48f09f39b4781a5c4deafc092d49

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>

media/mtp/MtpServer.cpp

diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index e8f09fa..fda5f8f 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -73,6 +73,11 @@
 //    MTP_OPERATION_SKIP,
 };
 
+static const MtpEventCode kSupportedEventCodes[] = {
+    MTP_EVENT_OBJECT_ADDED,
+    MTP_EVENT_OBJECT_REMOVED,
+};
+
 static const MtpObjectProperty kSupportedObjectProperties[] = {
     MTP_PROPERTY_STORAGE_ID,
     MTP_PROPERTY_OBJECT_FORMAT,
@@ -239,6 +244,24 @@
     return NULL;
 }
 
+void MtpServer::sendObjectAdded(MtpObjectHandle handle) {
+    LOGD("sendObjectAdded %d\n", handle);
+    mEvent.setEventCode(MTP_EVENT_OBJECT_ADDED);
+    mEvent.setTransactionID(mRequest.getTransactionID());
+    mEvent.setParameter(1, handle);
+    int ret = mEvent.write(mFD);
+    LOGD("mEvent.write returned %d\n", ret);
+}
+
+void MtpServer::sendObjectRemoved(MtpObjectHandle handle) {
+    LOGD("sendObjectRemoved %d\n", handle);
+    mEvent.setEventCode(MTP_EVENT_OBJECT_REMOVED);
+    mEvent.setTransactionID(mRequest.getTransactionID());
+    mEvent.setParameter(1, handle);
+    int ret = mEvent.write(mFD);
+    LOGD("mEvent.write returned %d\n", ret);
+}
+
 void MtpServer::initObjectProperties() {
     mObjectProperties.push(new MtpProperty(MTP_PROPERTY_STORAGE_ID, MTP_TYPE_UINT16));
     mObjectProperties.push(new MtpProperty(MTP_PROPERTY_OBJECT_FORMAT, MTP_TYPE_UINT16));
@@ -326,7 +349,8 @@
     mData.putUInt16(0); //Functional Mode
     mData.putAUInt16(kSupportedOperationCodes,
             sizeof(kSupportedOperationCodes) / sizeof(uint16_t)); // Operations Supported
-    mData.putEmptyArray(); // Events Supported
+    mData.putAUInt16(kSupportedEventCodes,
+            sizeof(kSupportedEventCodes) / sizeof(uint16_t)); // Events Supported
     mData.putEmptyArray(); // Device Properties Supported
     mData.putEmptyArray(); // Capture Formats
     mData.putAUInt16(kSupportedPlaybackFormats,