Add new `hid` command.

This allows the shell user to inject HID events.

Change-Id: I37faff576299ff14092b61ed39f2a1c086f672a5

1 files changed, 61 insertions, 0 deletions

diff --git a/cmds/hid/jni/com_android_commands_hid_Device.h b/cmds/hid/jni/com_android_commands_hid_Device.h
new file mode 100644
index 0000000..6c5899e
--- /dev/null
+++ b/cmds/hid/jni/com_android_commands_hid_Device.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <memory>
+
+#include <jni.h>
+#include <utils/Looper.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+namespace uhid {
+
+class DeviceCallback {
+public:
+    DeviceCallback(JNIEnv* env, jobject callback);
+    ~DeviceCallback();
+
+    void onDeviceOpen();
+    void onDeviceError();
+
+private:
+    jobject mCallbackObject;
+};
+
+class Device {
+public:
+    static Device* open(int32_t id, const char* name, int32_t vid, int32_t pid,
+            std::unique_ptr<uint8_t[]> descriptor, size_t descriptorSize,
+            std::unique_ptr<DeviceCallback> callback, sp<Looper> looper);
+
+    Device(int32_t id, int fd, std::unique_ptr<DeviceCallback> callback, sp<Looper> looper);
+    ~Device();
+
+    void sendReport(uint8_t* report, size_t reportSize);
+    void close();
+
+    int handleEvents(int events);
+
+private:
+    int32_t mId;
+    int mFd;
+    std::unique_ptr<DeviceCallback> mDeviceCallback;
+    sp<Looper> mLooper;
+};
+
+
+} // namespace uhid
+} // namespace android