1 files changed, 53 insertions, 0 deletions
diff --git a/android/protocol/ui-common.h b/android/protocol/ui-common.h
new file mode 100644
index 0000000..003ed6d
--- /dev/null
+++ b/android/protocol/ui-common.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 2010 The Android Open Source Project
+**
+** This software is licensed under the terms of the GNU General Public
+** License version 2, as published by the Free Software Foundation, and
+** may be copied, distributed, and modified under those terms.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+*/
+
+#ifndef _ANDROID_PROTOCOL_UI_COMMON_H
+#define _ANDROID_PROTOCOL_UI_COMMON_H
+
+/*
+ * Contains declarations for UI control protocol used by both the Core,
+ * and the UI.
+ */
+
+/* UI control command header.
+ * Every UI control command sent by the Core, or by the UI begins with this
+ * header, immediately followed by the command parameters (if there are any).
+ * Command type is defined by cmd_type field of this header. If command doesn't
+ * have any command-specific parameters, cmd_param_size field of this header
+ * must be 0.
+ */
+typedef struct UICmdHeader {
+    /* Command type. */
+    uint8_t     cmd_type;
+
+    /* Byte size of the buffer containing parameters for the comand defined by
+     * the cmd_type field. The buffer containing parameters must immediately
+     * follow this header. If command doesn't have any parameters, this field
+     * must be 0 */
+    uint32_t    cmd_param_size;
+} UICmdHeader;
+
+/* UI control command response header.
+ * If UI control command assumes a response from the remote end, the response
+ * must start with this header, immediately followed by the response data buffer.
+ */
+typedef struct UICmdRespHeader {
+    /* Result of the command handling. */
+    int         result;
+
+    /* Byte size of the buffer containing response data immediately following
+     * this header. If there are no response data for the command, this field
+     * must be 0. */
+    uint32_t    resp_data_size;
+} UICmdRespHeader;
+
+#endif /* _ANDROID_PROTOCOL_UI_COMMON_H */