auto import from //depot/cupcake/@135843
diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
new file mode 100644
index 0000000..3848d8c
--- /dev/null
+++ b/include/ui/EventHub.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2005 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 _RUNTIME_EVENT_HUB_H
+#define _RUNTIME_EVENT_HUB_H
+
+#include <utils/String8.h>
+#include <utils/threads.h>
+#include <utils.h>
+
+#include <linux/input.h>
+
+struct pollfd;
+
+namespace android {
+
+class KeyLayoutMap;
+
+/*
+ * Grand Central Station for events. With a single call to waitEvent()
+ * you can wait for:
+ * - input events from the keypad of a real device
+ * - input events and meta-events (e.g. "quit") from the simulator
+ * - synthetic events from the runtime (e.g. "URL fetch completed")
+ * - real or forged "vsync" events
+ *
+ * Do not instantiate this class. Instead, call startUp().
+ */
+class EventHub : public RefBase
+{
+public:
+ EventHub();
+
+ status_t errorCheck() const;
+
+ // bit fields for classes of devices.
+ enum {
+ CLASS_KEYBOARD = 0x00000001,
+ CLASS_ALPHAKEY = 0x00000002,
+ CLASS_TOUCHSCREEN = 0x00000004,
+ CLASS_TRACKBALL = 0x00000008
+ };
+ uint32_t getDeviceClasses(int32_t deviceId) const;
+
+ String8 getDeviceName(int32_t deviceId) const;
+
+ int getAbsoluteInfo(int32_t deviceId, int axis, int *outMinValue,
+ int* outMaxValue, int* outFlat, int* outFuzz) const;
+
+ int getSwitchState(int sw) const;
+ int getSwitchState(int32_t deviceId, int sw) const;
+
+ int getScancodeState(int key) const;
+ int getScancodeState(int32_t deviceId, int key) const;
+
+ int getKeycodeState(int key) const;
+ int getKeycodeState(int32_t deviceId, int key) const;
+
+ // special type codes when devices are added/removed.
+ enum {
+ DEVICE_ADDED = 0x10000000,
+ DEVICE_REMOVED = 0x20000000
+ };
+
+ // examine key input devices for specific framework keycode support
+ bool hasKeys(size_t numCodes, int32_t* keyCodes, uint8_t* outFlags);
+
+ virtual bool getEvent(int32_t* outDeviceId, int32_t* outType,
+ int32_t* outScancode, int32_t* outKeycode, uint32_t *outFlags,
+ int32_t* outValue, nsecs_t* outWhen);
+
+protected:
+ virtual ~EventHub();
+ virtual void onFirstRef();
+
+private:
+ bool openPlatformInput(void);
+ int32_t convertDeviceKey_TI_P2(int code);
+
+ int open_device(const char *device);
+ int close_device(const char *device);
+ int scan_dir(const char *dirname);
+ int read_notify(int nfd);
+
+ status_t mError;
+
+ struct device_t {
+ const int32_t id;
+ const String8 path;
+ String8 name;
+ uint32_t classes;
+ uint8_t* keyBitmask;
+ KeyLayoutMap* layoutMap;
+ String8 keylayoutFilename;
+ device_t* next;
+
+ device_t(int32_t _id, const char* _path);
+ ~device_t();
+ };
+
+ device_t* getDevice(int32_t deviceId) const;
+
+ // Protect all internal state.
+ mutable Mutex mLock;
+
+ bool mHaveFirstKeyboard;
+ int32_t mFirstKeyboardId; // the API is that the build in keyboard is id 0, so map it
+
+ struct device_ent {
+ device_t* device;
+ uint32_t seq;
+ };
+ device_ent *mDevicesById;
+ int mNumDevicesById;
+
+ device_t *mOpeningDevices;
+ device_t *mClosingDevices;
+
+ device_t **mDevices;
+ struct pollfd *mFDs;
+ int mFDCount;
+
+ // device ids that report particular switches.
+#ifdef EV_SW
+ int32_t mSwitches[SW_MAX+1];
+#endif
+};
+
+}; // namespace android
+
+#endif // _RUNTIME_EVENT_HUB_H