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Merge "frameworks/base refactoring."

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Jeff Brown 2012-02-17 16:28:20 -08:00 committed by Android (Google) Code Review
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include/ui/Input.h
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/*
* 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 _UI_INPUT_H
#define _UI_INPUT_H
/**
* Native input event structures.
*/
#include <android/input.h>
#include <utils/Vector.h>
#include <utils/KeyedVector.h>
#include <utils/Timers.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
#include <utils/BitSet.h>
#ifdef HAVE_ANDROID_OS
class SkMatrix;
#endif
/*
* Additional private constants not defined in ndk/ui/input.h.
*/
enum {
/* Private control to determine when an app is tracking a key sequence. */
AKEY_EVENT_FLAG_START_TRACKING = 0x40000000,
/* Key event is inconsistent with previously sent key events. */
AKEY_EVENT_FLAG_TAINTED = 0x80000000,
};
enum {
/* Motion event is inconsistent with previously sent motion events. */
AMOTION_EVENT_FLAG_TAINTED = 0x80000000,
};
enum {
/*
* Indicates that an input device has switches.
* This input source flag is hidden from the API because switches are only used by the system
* and applications have no way to interact with them.
*/
AINPUT_SOURCE_SWITCH = 0x80000000,
};
/*
* SystemUiVisibility constants from View.
*/
enum {
ASYSTEM_UI_VISIBILITY_STATUS_BAR_VISIBLE = 0,
ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN = 0x00000001,
};
/*
* Maximum number of pointers supported per motion event.
* Smallest number of pointers is 1.
* (We want at least 10 but some touch controllers obstensibly configured for 10 pointers
* will occasionally emit 11. There is not much harm making this constant bigger.)
*/
#define MAX_POINTERS 16
/*
* Maximum pointer id value supported in a motion event.
* Smallest pointer id is 0.
* (This is limited by our use of BitSet32 to track pointer assignments.)
*/
#define MAX_POINTER_ID 31
/*
* Declare a concrete type for the NDK's input event forward declaration.
*/
struct AInputEvent {
virtual ~AInputEvent() { }
};
/*
* Declare a concrete type for the NDK's input device forward declaration.
*/
struct AInputDevice {
virtual ~AInputDevice() { }
};
namespace android {
#ifdef HAVE_ANDROID_OS
class Parcel;
#endif
/*
* Flags that flow alongside events in the input dispatch system to help with certain
* policy decisions such as waking from device sleep.
*
* These flags are also defined in frameworks/base/core/java/android/view/WindowManagerPolicy.java.
*/
enum {
/* These flags originate in RawEvents and are generally set in the key map.
* NOTE: If you edit these flags, also edit labels in KeycodeLabels.h. */
POLICY_FLAG_WAKE = 0x00000001,
POLICY_FLAG_WAKE_DROPPED = 0x00000002,
POLICY_FLAG_SHIFT = 0x00000004,
POLICY_FLAG_CAPS_LOCK = 0x00000008,
POLICY_FLAG_ALT = 0x00000010,
POLICY_FLAG_ALT_GR = 0x00000020,
POLICY_FLAG_MENU = 0x00000040,
POLICY_FLAG_LAUNCHER = 0x00000080,
POLICY_FLAG_VIRTUAL = 0x00000100,
POLICY_FLAG_FUNCTION = 0x00000200,
POLICY_FLAG_RAW_MASK = 0x0000ffff,
/* These flags are set by the input dispatcher. */
// Indicates that the input event was injected.
POLICY_FLAG_INJECTED = 0x01000000,
// Indicates that the input event is from a trusted source such as a directly attached
// input device or an application with system-wide event injection permission.
POLICY_FLAG_TRUSTED = 0x02000000,
// Indicates that the input event has passed through an input filter.
POLICY_FLAG_FILTERED = 0x04000000,
// Disables automatic key repeating behavior.
POLICY_FLAG_DISABLE_KEY_REPEAT = 0x08000000,
/* These flags are set by the input reader policy as it intercepts each event. */
// Indicates that the screen was off when the event was received and the event
// should wake the device.
POLICY_FLAG_WOKE_HERE = 0x10000000,
// Indicates that the screen was dim when the event was received and the event
// should brighten the device.
POLICY_FLAG_BRIGHT_HERE = 0x20000000,
// Indicates that the event should be dispatched to applications.
// The input event should still be sent to the InputDispatcher so that it can see all
// input events received include those that it will not deliver.
POLICY_FLAG_PASS_TO_USER = 0x40000000,
};
/*
* Describes the basic configuration of input devices that are present.
*/
struct InputConfiguration {
enum {
TOUCHSCREEN_UNDEFINED = 0,
TOUCHSCREEN_NOTOUCH = 1,
TOUCHSCREEN_STYLUS = 2,
TOUCHSCREEN_FINGER = 3
};
enum {
KEYBOARD_UNDEFINED = 0,
KEYBOARD_NOKEYS = 1,
KEYBOARD_QWERTY = 2,
KEYBOARD_12KEY = 3
};
enum {
NAVIGATION_UNDEFINED = 0,
NAVIGATION_NONAV = 1,
NAVIGATION_DPAD = 2,
NAVIGATION_TRACKBALL = 3,
NAVIGATION_WHEEL = 4
};
int32_t touchScreen;
int32_t keyboard;
int32_t navigation;
};
/*
* Pointer coordinate data.
*/
struct PointerCoords {
enum { MAX_AXES = 14 }; // 14 so that sizeof(PointerCoords) == 64
// Bitfield of axes that are present in this structure.
uint64_t bits;
// Values of axes that are stored in this structure packed in order by axis id
// for each axis that is present in the structure according to 'bits'.
float values[MAX_AXES];
inline void clear() {
bits = 0;
}
float getAxisValue(int32_t axis) const;
status_t setAxisValue(int32_t axis, float value);
void scale(float scale);
inline float getX() const {
return getAxisValue(AMOTION_EVENT_AXIS_X);
}
inline float getY() const {
return getAxisValue(AMOTION_EVENT_AXIS_Y);
}
#ifdef HAVE_ANDROID_OS
status_t readFromParcel(Parcel* parcel);
status_t writeToParcel(Parcel* parcel) const;
#endif
bool operator==(const PointerCoords& other) const;
inline bool operator!=(const PointerCoords& other) const {
return !(*this == other);
}
void copyFrom(const PointerCoords& other);
private:
void tooManyAxes(int axis);
};
/*
* Pointer property data.
*/
struct PointerProperties {
// The id of the pointer.
int32_t id;
// The pointer tool type.
int32_t toolType;
inline void clear() {
id = -1;
toolType = 0;
}
bool operator==(const PointerProperties& other) const;
inline bool operator!=(const PointerProperties& other) const {
return !(*this == other);
}
void copyFrom(const PointerProperties& other);
};
/*
* Input events.
*/
class InputEvent : public AInputEvent {
public:
virtual ~InputEvent() { }
virtual int32_t getType() const = 0;
inline int32_t getDeviceId() const { return mDeviceId; }
inline int32_t getSource() const { return mSource; }
inline void setSource(int32_t source) { mSource = source; }
protected:
void initialize(int32_t deviceId, int32_t source);
void initialize(const InputEvent& from);
int32_t mDeviceId;
int32_t mSource;
};
/*
* Key events.
*/
class KeyEvent : public InputEvent {
public:
virtual ~KeyEvent() { }
virtual int32_t getType() const { return AINPUT_EVENT_TYPE_KEY; }
inline int32_t getAction() const { return mAction; }
inline int32_t getFlags() const { return mFlags; }
inline int32_t getKeyCode() const { return mKeyCode; }
inline int32_t getScanCode() const { return mScanCode; }
inline int32_t getMetaState() const { return mMetaState; }
inline int32_t getRepeatCount() const { return mRepeatCount; }
inline nsecs_t getDownTime() const { return mDownTime; }
inline nsecs_t getEventTime() const { return mEventTime; }
// Return true if this event may have a default action implementation.
static bool hasDefaultAction(int32_t keyCode);
bool hasDefaultAction() const;
// Return true if this event represents a system key.
static bool isSystemKey(int32_t keyCode);
bool isSystemKey() const;
void initialize(
int32_t deviceId,
int32_t source,
int32_t action,
int32_t flags,
int32_t keyCode,
int32_t scanCode,
int32_t metaState,
int32_t repeatCount,
nsecs_t downTime,
nsecs_t eventTime);
void initialize(const KeyEvent& from);
protected:
int32_t mAction;
int32_t mFlags;
int32_t mKeyCode;
int32_t mScanCode;
int32_t mMetaState;
int32_t mRepeatCount;
nsecs_t mDownTime;
nsecs_t mEventTime;
};
/*
* Motion events.
*/
class MotionEvent : public InputEvent {
public:
virtual ~MotionEvent() { }
virtual int32_t getType() const { return AINPUT_EVENT_TYPE_MOTION; }
inline int32_t getAction() const { return mAction; }
inline int32_t getActionMasked() const { return mAction & AMOTION_EVENT_ACTION_MASK; }
inline int32_t getActionIndex() const {
return (mAction & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)
>> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
}
inline void setAction(int32_t action) { mAction = action; }
inline int32_t getFlags() const { return mFlags; }
inline void setFlags(int32_t flags) { mFlags = flags; }
inline int32_t getEdgeFlags() const { return mEdgeFlags; }
inline void setEdgeFlags(int32_t edgeFlags) { mEdgeFlags = edgeFlags; }
inline int32_t getMetaState() const { return mMetaState; }
inline void setMetaState(int32_t metaState) { mMetaState = metaState; }
inline int32_t getButtonState() const { return mButtonState; }
inline float getXOffset() const { return mXOffset; }
inline float getYOffset() const { return mYOffset; }
inline float getXPrecision() const { return mXPrecision; }
inline float getYPrecision() const { return mYPrecision; }
inline nsecs_t getDownTime() const { return mDownTime; }
inline void setDownTime(nsecs_t downTime) { mDownTime = downTime; }
inline size_t getPointerCount() const { return mPointerProperties.size(); }
inline const PointerProperties* getPointerProperties(size_t pointerIndex) const {
return &mPointerProperties[pointerIndex];
}
inline int32_t getPointerId(size_t pointerIndex) const {
return mPointerProperties[pointerIndex].id;
}
inline int32_t getToolType(size_t pointerIndex) const {
return mPointerProperties[pointerIndex].toolType;
}
inline nsecs_t getEventTime() const { return mSampleEventTimes[getHistorySize()]; }
const PointerCoords* getRawPointerCoords(size_t pointerIndex) const;
float getRawAxisValue(int32_t axis, size_t pointerIndex) const;
inline float getRawX(size_t pointerIndex) const {
return getRawAxisValue(AMOTION_EVENT_AXIS_X, pointerIndex);
}
inline float getRawY(size_t pointerIndex) const {
return getRawAxisValue(AMOTION_EVENT_AXIS_Y, pointerIndex);
}
float getAxisValue(int32_t axis, size_t pointerIndex) const;
inline float getX(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_X, pointerIndex);
}
inline float getY(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_Y, pointerIndex);
}
inline float getPressure(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pointerIndex);
}
inline float getSize(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_SIZE, pointerIndex);
}
inline float getTouchMajor(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, pointerIndex);
}
inline float getTouchMinor(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, pointerIndex);
}
inline float getToolMajor(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, pointerIndex);
}
inline float getToolMinor(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, pointerIndex);
}
inline float getOrientation(size_t pointerIndex) const {
return getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex);
}
inline size_t getHistorySize() const { return mSampleEventTimes.size() - 1; }
inline nsecs_t getHistoricalEventTime(size_t historicalIndex) const {
return mSampleEventTimes[historicalIndex];
}
const PointerCoords* getHistoricalRawPointerCoords(
size_t pointerIndex, size_t historicalIndex) const;
float getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex,
size_t historicalIndex) const;
inline float getHistoricalRawX(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalRawAxisValue(
AMOTION_EVENT_AXIS_X, pointerIndex, historicalIndex);
}
inline float getHistoricalRawY(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalRawAxisValue(
AMOTION_EVENT_AXIS_Y, pointerIndex, historicalIndex);
}
float getHistoricalAxisValue(int32_t axis, size_t pointerIndex, size_t historicalIndex) const;
inline float getHistoricalX(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_X, pointerIndex, historicalIndex);
}
inline float getHistoricalY(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_Y, pointerIndex, historicalIndex);
}
inline float getHistoricalPressure(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_PRESSURE, pointerIndex, historicalIndex);
}
inline float getHistoricalSize(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_SIZE, pointerIndex, historicalIndex);
}
inline float getHistoricalTouchMajor(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_TOUCH_MAJOR, pointerIndex, historicalIndex);
}
inline float getHistoricalTouchMinor(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_TOUCH_MINOR, pointerIndex, historicalIndex);
}
inline float getHistoricalToolMajor(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_TOOL_MAJOR, pointerIndex, historicalIndex);
}
inline float getHistoricalToolMinor(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_TOOL_MINOR, pointerIndex, historicalIndex);
}
inline float getHistoricalOrientation(size_t pointerIndex, size_t historicalIndex) const {
return getHistoricalAxisValue(
AMOTION_EVENT_AXIS_ORIENTATION, pointerIndex, historicalIndex);
}
ssize_t findPointerIndex(int32_t pointerId) const;
void initialize(
int32_t deviceId,
int32_t source,
int32_t action,
int32_t flags,
int32_t edgeFlags,
int32_t metaState,
int32_t buttonState,
float xOffset,
float yOffset,
float xPrecision,
float yPrecision,
nsecs_t downTime,
nsecs_t eventTime,
size_t pointerCount,
const PointerProperties* pointerProperties,
const PointerCoords* pointerCoords);
void copyFrom(const MotionEvent* other, bool keepHistory);
void addSample(
nsecs_t eventTime,
const PointerCoords* pointerCoords);
void offsetLocation(float xOffset, float yOffset);
void scale(float scaleFactor);
#ifdef HAVE_ANDROID_OS
void transform(const SkMatrix* matrix);
status_t readFromParcel(Parcel* parcel);
status_t writeToParcel(Parcel* parcel) const;
#endif
static bool isTouchEvent(int32_t source, int32_t action);
inline bool isTouchEvent() const {
return isTouchEvent(mSource, mAction);
}
// Low-level accessors.
inline const PointerProperties* getPointerProperties() const {
return mPointerProperties.array();
}
inline const nsecs_t* getSampleEventTimes() const { return mSampleEventTimes.array(); }
inline const PointerCoords* getSamplePointerCoords() const {
return mSamplePointerCoords.array();
}
protected:
int32_t mAction;
int32_t mFlags;
int32_t mEdgeFlags;
int32_t mMetaState;
int32_t mButtonState;
float mXOffset;
float mYOffset;
float mXPrecision;
float mYPrecision;
nsecs_t mDownTime;
Vector<PointerProperties> mPointerProperties;
Vector<nsecs_t> mSampleEventTimes;
Vector<PointerCoords> mSamplePointerCoords;
};
/*
* Input event factory.
*/
class InputEventFactoryInterface {
protected:
virtual ~InputEventFactoryInterface() { }
public:
InputEventFactoryInterface() { }
virtual KeyEvent* createKeyEvent() = 0;
virtual MotionEvent* createMotionEvent() = 0;
};
/*
* A simple input event factory implementation that uses a single preallocated instance
* of each type of input event that are reused for each request.
*/
class PreallocatedInputEventFactory : public InputEventFactoryInterface {
public:
PreallocatedInputEventFactory() { }
virtual ~PreallocatedInputEventFactory() { }
virtual KeyEvent* createKeyEvent() { return & mKeyEvent; }
virtual MotionEvent* createMotionEvent() { return & mMotionEvent; }
private:
KeyEvent mKeyEvent;
MotionEvent mMotionEvent;
};
/*
* Calculates the velocity of pointer movements over time.
*/
class VelocityTracker {
public:
// Default polynomial degree. (used by getVelocity)
static const uint32_t DEFAULT_DEGREE = 2;
// Default sample horizon. (used by getVelocity)
// We don't use too much history by default since we want to react to quick
// changes in direction.
static const nsecs_t DEFAULT_HORIZON = 100 * 1000000; // 100 ms
struct Position {
float x, y;
};
struct Estimator {
static const size_t MAX_DEGREE = 2;
// Polynomial coefficients describing motion in X and Y.
float xCoeff[MAX_DEGREE + 1], yCoeff[MAX_DEGREE + 1];
// Polynomial degree (number of coefficients), or zero if no information is
// available.
uint32_t degree;
// Confidence (coefficient of determination), between 0 (no fit) and 1 (perfect fit).
float confidence;
inline void clear() {
degree = 0;
confidence = 0;
for (size_t i = 0; i <= MAX_DEGREE; i++) {
xCoeff[i] = 0;
yCoeff[i] = 0;
}
}
};
VelocityTracker();
// Resets the velocity tracker state.
void clear();
// Resets the velocity tracker state for specific pointers.
// Call this method when some pointers have changed and may be reusing
// an id that was assigned to a different pointer earlier.
void clearPointers(BitSet32 idBits);
// Adds movement information for a set of pointers.
// The idBits bitfield specifies the pointer ids of the pointers whose positions
// are included in the movement.
// The positions array contains position information for each pointer in order by
// increasing id. Its size should be equal to the number of one bits in idBits.
void addMovement(nsecs_t eventTime, BitSet32 idBits, const Position* positions);
// Adds movement information for all pointers in a MotionEvent, including historical samples.
void addMovement(const MotionEvent* event);
// Gets the velocity of the specified pointer id in position units per second.
// Returns false and sets the velocity components to zero if there is
// insufficient movement information for the pointer.
bool getVelocity(uint32_t id, float* outVx, float* outVy) const;
// Gets a quadratic estimator for the movements of the specified pointer id.
// Returns false and clears the estimator if there is no information available
// about the pointer.
bool getEstimator(uint32_t id, uint32_t degree, nsecs_t horizon,
Estimator* outEstimator) const;
// Gets the active pointer id, or -1 if none.
inline int32_t getActivePointerId() const { return mActivePointerId; }
// Gets a bitset containing all pointer ids from the most recent movement.
inline BitSet32 getCurrentPointerIdBits() const { return mMovements[mIndex].idBits; }
private:
// Number of samples to keep.
static const uint32_t HISTORY_SIZE = 20;
struct Movement {
nsecs_t eventTime;
BitSet32 idBits;
Position positions[MAX_POINTERS];
inline const Position& getPosition(uint32_t id) const {
return positions[idBits.getIndexOfBit(id)];
}
};
uint32_t mIndex;
Movement mMovements[HISTORY_SIZE];
int32_t mActivePointerId;
};
/*
* Specifies parameters that govern pointer or wheel acceleration.
*/
struct VelocityControlParameters {
// A scale factor that is multiplied with the raw velocity deltas
// prior to applying any other velocity control factors. The scale
// factor should be used to adapt the input device resolution
// (eg. counts per inch) to the output device resolution (eg. pixels per inch).
//
// Must be a positive value.
// Default is 1.0 (no scaling).
float scale;
// The scaled speed at which acceleration begins to be applied.
// This value establishes the upper bound of a low speed regime for
// small precise motions that are performed without any acceleration.
//
// Must be a non-negative value.
// Default is 0.0 (no low threshold).
float lowThreshold;
// The scaled speed at which maximum acceleration is applied.
// The difference between highThreshold and lowThreshold controls
// the range of speeds over which the acceleration factor is interpolated.
// The wider the range, the smoother the acceleration.
//
// Must be a non-negative value greater than or equal to lowThreshold.
// Default is 0.0 (no high threshold).
float highThreshold;
// The acceleration factor.
// When the speed is above the low speed threshold, the velocity will scaled
// by an interpolated value between 1.0 and this amount.
//
// Must be a positive greater than or equal to 1.0.
// Default is 1.0 (no acceleration).
float acceleration;
VelocityControlParameters() :
scale(1.0f), lowThreshold(0.0f), highThreshold(0.0f), acceleration(1.0f) {
}
VelocityControlParameters(float scale, float lowThreshold,
float highThreshold, float acceleration) :
scale(scale), lowThreshold(lowThreshold),
highThreshold(highThreshold), acceleration(acceleration) {
}
};
/*
* Implements mouse pointer and wheel speed control and acceleration.
*/
class VelocityControl {
public:
VelocityControl();
/* Sets the various parameters. */
void setParameters(const VelocityControlParameters& parameters);
/* Resets the current movement counters to zero.
* This has the effect of nullifying any acceleration. */
void reset();
/* Translates a raw movement delta into an appropriately
* scaled / accelerated delta based on the current velocity. */
void move(nsecs_t eventTime, float* deltaX, float* deltaY);
private:
// If no movements are received within this amount of time,
// we assume the movement has stopped and reset the movement counters.
static const nsecs_t STOP_TIME = 500 * 1000000; // 500 ms
VelocityControlParameters mParameters;
nsecs_t mLastMovementTime;
VelocityTracker::Position mRawPosition;
VelocityTracker mVelocityTracker;
};
/*
* Describes the characteristics and capabilities of an input device.
*/
class InputDeviceInfo {
public:
InputDeviceInfo();
InputDeviceInfo(const InputDeviceInfo& other);
~InputDeviceInfo();
struct MotionRange {
int32_t axis;
uint32_t source;
float min;
float max;
float flat;
float fuzz;
};
void initialize(int32_t id, const String8& name);
inline int32_t getId() const { return mId; }
inline const String8 getName() const { return mName; }
inline uint32_t getSources() const { return mSources; }
const MotionRange* getMotionRange(int32_t axis, uint32_t source) const;
void addSource(uint32_t source);
void addMotionRange(int32_t axis, uint32_t source,
float min, float max, float flat, float fuzz);
void addMotionRange(const MotionRange& range);
inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; }
inline int32_t getKeyboardType() const { return mKeyboardType; }
inline void setKeyCharacterMapFile(const String8& value) { mKeyCharacterMapFile = value; }
inline const String8& getKeyCharacterMapFile() const { return mKeyCharacterMapFile; }
inline const Vector<MotionRange>& getMotionRanges() const {
return mMotionRanges;
}
private:
int32_t mId;
String8 mName;
uint32_t mSources;
int32_t mKeyboardType;
String8 mKeyCharacterMapFile;
Vector<MotionRange> mMotionRanges;
};
/*
* Identifies a device.
*/
struct InputDeviceIdentifier {
inline InputDeviceIdentifier() :
bus(0), vendor(0), product(0), version(0) {
}
String8 name;
String8 location;
String8 uniqueId;
uint16_t bus;
uint16_t vendor;
uint16_t product;
uint16_t version;
};
/* Types of input device configuration files. */
enum InputDeviceConfigurationFileType {
INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION = 0, /* .idc file */
INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT = 1, /* .kl file */
INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP = 2, /* .kcm file */
};
/*
* Gets the path of an input device configuration file, if one is available.
* Considers both system provided and user installed configuration files.
*
* The device identifier is used to construct several default configuration file
* names to try based on the device name, vendor, product, and version.
*
* Returns an empty string if not found.
*/
extern String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
const InputDeviceIdentifier& deviceIdentifier,
InputDeviceConfigurationFileType type);
/*
* Gets the path of an input device configuration file, if one is available.
* Considers both system provided and user installed configuration files.
*
* The name is case-sensitive and is used to construct the filename to resolve.
* All characters except 'a'-'z', 'A'-'Z', '0'-'9', '-', and '_' are replaced by underscores.
*
* Returns an empty string if not found.
*/
extern String8 getInputDeviceConfigurationFilePathByName(
const String8& name, InputDeviceConfigurationFileType type);
} // namespace android
#endif // _UI_INPUT_H

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include/ui/InputTransport.h
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/*
* 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 _UI_INPUT_TRANSPORT_H
#define _UI_INPUT_TRANSPORT_H
/**
* Native input transport.
*
* The InputChannel provides a mechanism for exchanging InputMessage structures across processes.
*
* The InputPublisher and InputConsumer each handle one end-point of an input channel.
* The InputPublisher is used by the input dispatcher to send events to the application.
* The InputConsumer is used by the application to receive events from the input dispatcher.
*/
#include <ui/Input.h>
#include <utils/Errors.h>
#include <utils/Timers.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
namespace android {
/*
* Intermediate representation used to send input events and related signals.
*/
struct InputMessage {
enum {
TYPE_KEY = 1,
TYPE_MOTION = 2,
TYPE_FINISHED = 3,
};
struct Header {
uint32_t type;
uint32_t padding; // 8 byte alignment for the body that follows
} header;
union Body {
struct Key {
uint32_t seq;
nsecs_t eventTime;
int32_t deviceId;
int32_t source;
int32_t action;
int32_t flags;
int32_t keyCode;
int32_t scanCode;
int32_t metaState;
int32_t repeatCount;
nsecs_t downTime;
inline size_t size() const {
return sizeof(Key);
}
} key;
struct Motion {
uint32_t seq;
nsecs_t eventTime;
int32_t deviceId;
int32_t source;
int32_t action;
int32_t flags;
int32_t metaState;
int32_t buttonState;
int32_t edgeFlags;
nsecs_t downTime;
float xOffset;
float yOffset;
float xPrecision;
float yPrecision;
size_t pointerCount;
struct Pointer {
PointerProperties properties;
PointerCoords coords;
} pointers[MAX_POINTERS];
inline size_t size() const {
return sizeof(Motion) - sizeof(Pointer) * MAX_POINTERS
+ sizeof(Pointer) * pointerCount;
}
} motion;
struct Finished {
uint32_t seq;
bool handled;
inline size_t size() const {
return sizeof(Finished);
}
} finished;
} body;
bool isValid(size_t actualSize) const;
size_t size() const;
};
/*
* An input channel consists of a local unix domain socket used to send and receive
* input messages across processes. Each channel has a descriptive name for debugging purposes.
*
* Each endpoint has its own InputChannel object that specifies its file descriptor.
*
* The input channel is closed when all references to it are released.
*/
class InputChannel : public RefBase {
protected:
virtual ~InputChannel();
public:
InputChannel(const String8& name, int fd);
/* Creates a pair of input channels.
*
* Returns OK on success.
*/
static status_t openInputChannelPair(const String8& name,
sp<InputChannel>& outServerChannel, sp<InputChannel>& outClientChannel);
inline String8 getName() const { return mName; }
inline int getFd() const { return mFd; }
/* Sends a message to the other endpoint.
*
* If the channel is full then the message is guaranteed not to have been sent at all.
* Try again after the consumer has sent a finished signal indicating that it has
* consumed some of the pending messages from the channel.
*
* Returns OK on success.
* Returns WOULD_BLOCK if the channel is full.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Other errors probably indicate that the channel is broken.
*/
status_t sendMessage(const InputMessage* msg);
/* Receives a message sent by the other endpoint.
*
* If there is no message present, try again after poll() indicates that the fd
* is readable.
*
* Returns OK on success.
* Returns WOULD_BLOCK if there is no message present.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Other errors probably indicate that the channel is broken.
*/
status_t receiveMessage(InputMessage* msg);
private:
String8 mName;
int mFd;
};
/*
* Publishes input events to an input channel.
*/
class InputPublisher {
public:
/* Creates a publisher associated with an input channel. */
explicit InputPublisher(const sp<InputChannel>& channel);
/* Destroys the publisher and releases its input channel. */
~InputPublisher();
/* Gets the underlying input channel. */
inline sp<InputChannel> getChannel() { return mChannel; }
/* Publishes a key event to the input channel.
*
* Returns OK on success.
* Returns WOULD_BLOCK if the channel is full.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Returns BAD_VALUE if seq is 0.
* Other errors probably indicate that the channel is broken.
*/
status_t publishKeyEvent(
uint32_t seq,
int32_t deviceId,
int32_t source,
int32_t action,
int32_t flags,
int32_t keyCode,
int32_t scanCode,
int32_t metaState,
int32_t repeatCount,
nsecs_t downTime,
nsecs_t eventTime);
/* Publishes a motion event to the input channel.
*
* Returns OK on success.
* Returns WOULD_BLOCK if the channel is full.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Returns BAD_VALUE if seq is 0 or if pointerCount is less than 1 or greater than MAX_POINTERS.
* Other errors probably indicate that the channel is broken.
*/
status_t publishMotionEvent(
uint32_t seq,
int32_t deviceId,
int32_t source,
int32_t action,
int32_t flags,
int32_t edgeFlags,
int32_t metaState,
int32_t buttonState,
float xOffset,
float yOffset,
float xPrecision,
float yPrecision,
nsecs_t downTime,
nsecs_t eventTime,
size_t pointerCount,
const PointerProperties* pointerProperties,
const PointerCoords* pointerCoords);
/* Receives the finished signal from the consumer in reply to the original dispatch signal.
* If a signal was received, returns the message sequence number,
* and whether the consumer handled the message.
*
* The returned sequence number is never 0 unless the operation failed.
*
* Returns OK on success.
* Returns WOULD_BLOCK if there is no signal present.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Other errors probably indicate that the channel is broken.
*/
status_t receiveFinishedSignal(uint32_t* outSeq, bool* outHandled);
private:
sp<InputChannel> mChannel;
};
/*
* Consumes input events from an input channel.
*/
class InputConsumer {
public:
/* Creates a consumer associated with an input channel. */
explicit InputConsumer(const sp<InputChannel>& channel);
/* Destroys the consumer and releases its input channel. */
~InputConsumer();
/* Gets the underlying input channel. */
inline sp<InputChannel> getChannel() { return mChannel; }
/* Consumes an input event from the input channel and copies its contents into
* an InputEvent object created using the specified factory.
*
* Tries to combine a series of move events into larger batches whenever possible.
*
* If consumeBatches is false, then defers consuming pending batched events if it
* is possible for additional samples to be added to them later. Call hasPendingBatch()
* to determine whether a pending batch is available to be consumed.
*
* If consumeBatches is true, then events are still batched but they are consumed
* immediately as soon as the input channel is exhausted.
*
* The returned sequence number is never 0 unless the operation failed.
*
* Returns OK on success.
* Returns WOULD_BLOCK if there is no event present.
* Returns DEAD_OBJECT if the channel's peer has been closed.
* Returns NO_MEMORY if the event could not be created.
* Other errors probably indicate that the channel is broken.
*/
status_t consume(InputEventFactoryInterface* factory, bool consumeBatches,
uint32_t* outSeq, InputEvent** outEvent);
/* Sends a finished signal to the publisher to inform it that the message
* with the specified sequence number has finished being process and whether
* the message was handled by the consumer.
*
* Returns OK on success.
* Returns BAD_VALUE if seq is 0.
* Other errors probably indicate that the channel is broken.
*/
status_t sendFinishedSignal(uint32_t seq, bool handled);
/* Returns true if there is a pending batch. */
bool hasPendingBatch() const;
private:
sp<InputChannel> mChannel;
// The current input message.
InputMessage mMsg;
// True if mMsg contains a valid input message that was deferred from the previous
// call to consume and that still needs to be handled.
bool mMsgDeferred;
// Batched motion events per device and source.
struct Batch {
uint32_t seq; // sequence number of last input message batched in the event
MotionEvent event;
};
Vector<Batch> mBatches;
// Chain of batched sequence numbers. When multiple input messages are combined into
// a batch, we append a record here that associates the last sequence number in the
// batch with the previous one. When the finished signal is sent, we traverse the
// chain to individually finish all input messages that were part of the batch.
struct SeqChain {
uint32_t seq; // sequence number of batched input message
uint32_t chain; // sequence number of previous batched input message
};
Vector<SeqChain> mSeqChains;
ssize_t findBatch(int32_t deviceId, int32_t source) const;
status_t sendUnchainedFinishedSignal(uint32_t seq, bool handled);
static void initializeKeyEvent(KeyEvent* event, const InputMessage* msg);
static void initializeMotionEvent(MotionEvent* event, const InputMessage* msg);
static bool canAppendSamples(const MotionEvent* event, const InputMessage* msg);
static void appendSamples(MotionEvent* event, const InputMessage* msg);
};
} // namespace android
#endif // _UI_INPUT_TRANSPORT_H

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include/ui/KeyCharacterMap.h
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/*
* Copyright (C) 2008 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 _UI_KEY_CHARACTER_MAP_H
#define _UI_KEY_CHARACTER_MAP_H
#include <stdint.h>
#include <ui/Input.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/Tokenizer.h>
#include <utils/String8.h>
#include <utils/Unicode.h>
namespace android {
/**
* Describes a mapping from Android key codes to characters.
* Also specifies other functions of the keyboard such as the keyboard type
* and key modifier semantics.
*/
class KeyCharacterMap {
public:
enum KeyboardType {
KEYBOARD_TYPE_UNKNOWN = 0,
KEYBOARD_TYPE_NUMERIC = 1,
KEYBOARD_TYPE_PREDICTIVE = 2,
KEYBOARD_TYPE_ALPHA = 3,
KEYBOARD_TYPE_FULL = 4,
KEYBOARD_TYPE_SPECIAL_FUNCTION = 5,
};
// Substitute key code and meta state for fallback action.
struct FallbackAction {
int32_t keyCode;
int32_t metaState;
};
~KeyCharacterMap();
static status_t load(const String8& filename, KeyCharacterMap** outMap);
/* Gets the keyboard type. */
int32_t getKeyboardType() const;
/* Gets the primary character for this key as in the label physically printed on it.
* Returns 0 if none (eg. for non-printing keys). */
char16_t getDisplayLabel(int32_t keyCode) const;
/* Gets the Unicode character for the number or symbol generated by the key
* when the keyboard is used as a dialing pad.
* Returns 0 if no number or symbol is generated.
*/
char16_t getNumber(int32_t keyCode) const;
/* Gets the Unicode character generated by the key and meta key modifiers.
* Returns 0 if no character is generated.
*/
char16_t getCharacter(int32_t keyCode, int32_t metaState) const;
/* Gets the fallback action to use by default if the application does not
* handle the specified key.
* Returns true if an action was available, false if none.
*/
bool getFallbackAction(int32_t keyCode, int32_t metaState,
FallbackAction* outFallbackAction) const;
/* Gets the first matching Unicode character that can be generated by the key,
* preferring the one with the specified meta key modifiers.
* Returns 0 if no matching character is generated.
*/
char16_t getMatch(int32_t keyCode, const char16_t* chars,
size_t numChars, int32_t metaState) const;
/* Gets a sequence of key events that could plausibly generate the specified
* character sequence. Returns false if some of the characters cannot be generated.
*/
bool getEvents(int32_t deviceId, const char16_t* chars, size_t numChars,
Vector<KeyEvent>& outEvents) const;
private:
struct Behavior {
Behavior();
/* The next behavior in the list, or NULL if none. */
Behavior* next;
/* The meta key modifiers for this behavior. */
int32_t metaState;
/* The character to insert. */
char16_t character;
/* The fallback keycode if the key is not handled. */
int32_t fallbackKeyCode;
};
struct Key {
Key();
~Key();
/* The single character label printed on the key, or 0 if none. */
char16_t label;
/* The number or symbol character generated by the key, or 0 if none. */
char16_t number;
/* The list of key behaviors sorted from most specific to least specific
* meta key binding. */
Behavior* firstBehavior;
};
class Parser {
enum State {
STATE_TOP = 0,
STATE_KEY = 1,
};
enum {
PROPERTY_LABEL = 1,
PROPERTY_NUMBER = 2,
PROPERTY_META = 3,
};
struct Property {
inline Property(int32_t property = 0, int32_t metaState = 0) :
property(property), metaState(metaState) { }
int32_t property;
int32_t metaState;
};
KeyCharacterMap* mMap;
Tokenizer* mTokenizer;
State mState;
int32_t mKeyCode;
public:
Parser(KeyCharacterMap* map, Tokenizer* tokenizer);
~Parser();
status_t parse();
private:
status_t parseType();
status_t parseKey();
status_t parseKeyProperty();
status_t parseModifier(const String8& token, int32_t* outMetaState);
status_t parseCharacterLiteral(char16_t* outCharacter);
};
KeyedVector<int32_t, Key*> mKeys;
int mType;
KeyCharacterMap();
bool getKey(int32_t keyCode, const Key** outKey) const;
bool getKeyBehavior(int32_t keyCode, int32_t metaState,
const Key** outKey, const Behavior** outBehavior) const;
bool findKey(char16_t ch, int32_t* outKeyCode, int32_t* outMetaState) const;
static void addKey(Vector<KeyEvent>& outEvents,
int32_t deviceId, int32_t keyCode, int32_t metaState, bool down, nsecs_t time);
static void addMetaKeys(Vector<KeyEvent>& outEvents,
int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
int32_t* currentMetaState);
static bool addSingleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
int32_t keyCode, int32_t keyMetaState,
int32_t* currentMetaState);
static void addDoubleEphemeralMetaKey(Vector<KeyEvent>& outEvents,
int32_t deviceId, int32_t metaState, bool down, nsecs_t time,
int32_t leftKeyCode, int32_t leftKeyMetaState,
int32_t rightKeyCode, int32_t rightKeyMetaState,
int32_t eitherKeyMetaState,
int32_t* currentMetaState);
static void addLockedMetaKey(Vector<KeyEvent>& outEvents,
int32_t deviceId, int32_t metaState, nsecs_t time,
int32_t keyCode, int32_t keyMetaState,
int32_t* currentMetaState);
};
} // namespace android
#endif // _UI_KEY_CHARACTER_MAP_H

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include/ui/KeyLayoutMap.h
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/*
* Copyright (C) 2008 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 _UI_KEY_LAYOUT_MAP_H
#define _UI_KEY_LAYOUT_MAP_H
#include <stdint.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/Tokenizer.h>
namespace android {
struct AxisInfo {
enum Mode {
// Axis value is reported directly.
MODE_NORMAL = 0,
// Axis value should be inverted before reporting.
MODE_INVERT = 1,
// Axis value should be split into two axes
MODE_SPLIT = 2,
};
// Axis mode.
Mode mode;
// Axis id.
// When split, this is the axis used for values smaller than the split position.
int32_t axis;
// When split, this is the axis used for values after higher than the split position.
int32_t highAxis;
// The split value, or 0 if not split.
int32_t splitValue;
// The flat value, or -1 if none.
int32_t flatOverride;
AxisInfo() : mode(MODE_NORMAL), axis(-1), highAxis(-1), splitValue(0), flatOverride(-1) {
}
};
/**
* Describes a mapping from keyboard scan codes and joystick axes to Android key codes and axes.
*/
class KeyLayoutMap {
public:
~KeyLayoutMap();
static status_t load(const String8& filename, KeyLayoutMap** outMap);
status_t mapKey(int32_t scanCode, int32_t* keyCode, uint32_t* flags) const;
status_t findScanCodesForKey(int32_t keyCode, Vector<int32_t>* outScanCodes) const;
status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
private:
struct Key {
int32_t keyCode;
uint32_t flags;
};
KeyedVector<int32_t, Key> mKeys;
KeyedVector<int32_t, AxisInfo> mAxes;
KeyLayoutMap();
class Parser {
KeyLayoutMap* mMap;
Tokenizer* mTokenizer;
public:
Parser(KeyLayoutMap* map, Tokenizer* tokenizer);
~Parser();
status_t parse();
private:
status_t parseKey();
status_t parseAxis();
};
};
} // namespace android
#endif // _UI_KEY_LAYOUT_MAP_H

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include/ui/Keyboard.h
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/*
* 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 _UI_KEYBOARD_H
#define _UI_KEYBOARD_H
#include <ui/Input.h>
#include <utils/Errors.h>
#include <utils/String8.h>
#include <utils/PropertyMap.h>
namespace android {
enum {
/* Device id of the built in keyboard. */
DEVICE_ID_BUILT_IN_KEYBOARD = 0,
/* Device id of a generic virtual keyboard with a full layout that can be used
* to synthesize key events. */
DEVICE_ID_VIRTUAL_KEYBOARD = -1,
};
class KeyLayoutMap;
class KeyCharacterMap;
/**
* Loads the key layout map and key character map for a keyboard device.
*/
class KeyMap {
public:
String8 keyLayoutFile;
KeyLayoutMap* keyLayoutMap;
String8 keyCharacterMapFile;
KeyCharacterMap* keyCharacterMap;
KeyMap();
~KeyMap();
status_t load(const InputDeviceIdentifier& deviceIdenfier,
const PropertyMap* deviceConfiguration);
inline bool haveKeyLayout() const {
return !keyLayoutFile.isEmpty();
}
inline bool haveKeyCharacterMap() const {
return !keyCharacterMapFile.isEmpty();
}
inline bool isComplete() const {
return haveKeyLayout() && haveKeyCharacterMap();
}
private:
bool probeKeyMap(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
status_t loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
status_t loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
const String8& name);
String8 getPath(const InputDeviceIdentifier& deviceIdentifier,
const String8& name, InputDeviceConfigurationFileType type);
};
/**
* Returns true if the keyboard is eligible for use as a built-in keyboard.
*/
extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
const PropertyMap* deviceConfiguration, const KeyMap* keyMap);
/**
* Gets a key code by its short form label, eg. "HOME".
* Returns 0 if unknown.
*/
extern int32_t getKeyCodeByLabel(const char* label);
/**
* Gets a key flag by its short form label, eg. "WAKE".
* Returns 0 if unknown.
*/
extern uint32_t getKeyFlagByLabel(const char* label);
/**
* Gets a axis by its short form label, eg. "X".
* Returns -1 if unknown.
*/
extern int32_t getAxisByLabel(const char* label);
/**
* Gets a axis label by its id.
* Returns NULL if unknown.
*/
extern const char* getAxisLabel(int32_t axisId);
/**
* Updates a meta state field when a key is pressed or released.
*/
extern int32_t updateMetaState(int32_t keyCode, bool down, int32_t oldMetaState);
/**
* Returns true if a key is a meta key like ALT or CAPS_LOCK.
*/
extern bool isMetaKey(int32_t keyCode);
} // namespace android
#endif // _UI_KEYBOARD_H

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include/ui/KeycodeLabels.h
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/*
* Copyright (C) 2008 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 _UI_KEYCODE_LABELS_H
#define _UI_KEYCODE_LABELS_H
#include <android/keycodes.h>
struct KeycodeLabel {
const char *literal;
int value;
};
static const KeycodeLabel KEYCODES[] = {
{ "SOFT_LEFT", 1 },
{ "SOFT_RIGHT", 2 },
{ "HOME", 3 },
{ "BACK", 4 },
{ "CALL", 5 },
{ "ENDCALL", 6 },
{ "0", 7 },
{ "1", 8 },
{ "2", 9 },
{ "3", 10 },
{ "4", 11 },
{ "5", 12 },
{ "6", 13 },
{ "7", 14 },
{ "8", 15 },
{ "9", 16 },
{ "STAR", 17 },
{ "POUND", 18 },
{ "DPAD_UP", 19 },
{ "DPAD_DOWN", 20 },
{ "DPAD_LEFT", 21 },
{ "DPAD_RIGHT", 22 },
{ "DPAD_CENTER", 23 },
{ "VOLUME_UP", 24 },
{ "VOLUME_DOWN", 25 },
{ "POWER", 26 },
{ "CAMERA", 27 },
{ "CLEAR", 28 },
{ "A", 29 },
{ "B", 30 },
{ "C", 31 },
{ "D", 32 },
{ "E", 33 },
{ "F", 34 },
{ "G", 35 },
{ "H", 36 },
{ "I", 37 },
{ "J", 38 },
{ "K", 39 },
{ "L", 40 },
{ "M", 41 },
{ "N", 42 },
{ "O", 43 },
{ "P", 44 },
{ "Q", 45 },
{ "R", 46 },
{ "S", 47 },
{ "T", 48 },
{ "U", 49 },
{ "V", 50 },
{ "W", 51 },
{ "X", 52 },
{ "Y", 53 },
{ "Z", 54 },
{ "COMMA", 55 },
{ "PERIOD", 56 },
{ "ALT_LEFT", 57 },
{ "ALT_RIGHT", 58 },
{ "SHIFT_LEFT", 59 },
{ "SHIFT_RIGHT", 60 },
{ "TAB", 61 },
{ "SPACE", 62 },
{ "SYM", 63 },
{ "EXPLORER", 64 },
{ "ENVELOPE", 65 },
{ "ENTER", 66 },
{ "DEL", 67 },
{ "GRAVE", 68 },
{ "MINUS", 69 },
{ "EQUALS", 70 },
{ "LEFT_BRACKET", 71 },
{ "RIGHT_BRACKET", 72 },
{ "BACKSLASH", 73 },
{ "SEMICOLON", 74 },
{ "APOSTROPHE", 75 },
{ "SLASH", 76 },
{ "AT", 77 },
{ "NUM", 78 },
{ "HEADSETHOOK", 79 },
{ "FOCUS", 80 },
{ "PLUS", 81 },
{ "MENU", 82 },
{ "NOTIFICATION", 83 },
{ "SEARCH", 84 },
{ "MEDIA_PLAY_PAUSE", 85 },
{ "MEDIA_STOP", 86 },
{ "MEDIA_NEXT", 87 },
{ "MEDIA_PREVIOUS", 88 },
{ "MEDIA_REWIND", 89 },
{ "MEDIA_FAST_FORWARD", 90 },
{ "MUTE", 91 },
{ "PAGE_UP", 92 },
{ "PAGE_DOWN", 93 },
{ "PICTSYMBOLS", 94 },
{ "SWITCH_CHARSET", 95 },
{ "BUTTON_A", 96 },
{ "BUTTON_B", 97 },
{ "BUTTON_C", 98 },
{ "BUTTON_X", 99 },
{ "BUTTON_Y", 100 },
{ "BUTTON_Z", 101 },
{ "BUTTON_L1", 102 },
{ "BUTTON_R1", 103 },
{ "BUTTON_L2", 104 },
{ "BUTTON_R2", 105 },
{ "BUTTON_THUMBL", 106 },
{ "BUTTON_THUMBR", 107 },
{ "BUTTON_START", 108 },
{ "BUTTON_SELECT", 109 },
{ "BUTTON_MODE", 110 },
{ "ESCAPE", 111 },
{ "FORWARD_DEL", 112 },
{ "CTRL_LEFT", 113 },
{ "CTRL_RIGHT", 114 },
{ "CAPS_LOCK", 115 },
{ "SCROLL_LOCK", 116 },
{ "META_LEFT", 117 },
{ "META_RIGHT", 118 },
{ "FUNCTION", 119 },
{ "SYSRQ", 120 },
{ "BREAK", 121 },
{ "MOVE_HOME", 122 },
{ "MOVE_END", 123 },
{ "INSERT", 124 },
{ "FORWARD", 125 },
{ "MEDIA_PLAY", 126 },
{ "MEDIA_PAUSE", 127 },
{ "MEDIA_CLOSE", 128 },
{ "MEDIA_EJECT", 129 },
{ "MEDIA_RECORD", 130 },
{ "F1", 131 },
{ "F2", 132 },
{ "F3", 133 },
{ "F4", 134 },
{ "F5", 135 },
{ "F6", 136 },
{ "F7", 137 },
{ "F8", 138 },
{ "F9", 139 },
{ "F10", 140 },
{ "F11", 141 },
{ "F12", 142 },
{ "NUM_LOCK", 143 },
{ "NUMPAD_0", 144 },
{ "NUMPAD_1", 145 },
{ "NUMPAD_2", 146 },
{ "NUMPAD_3", 147 },
{ "NUMPAD_4", 148 },
{ "NUMPAD_5", 149 },
{ "NUMPAD_6", 150 },
{ "NUMPAD_7", 151 },
{ "NUMPAD_8", 152 },
{ "NUMPAD_9", 153 },
{ "NUMPAD_DIVIDE", 154 },
{ "NUMPAD_MULTIPLY", 155 },
{ "NUMPAD_SUBTRACT", 156 },
{ "NUMPAD_ADD", 157 },
{ "NUMPAD_DOT", 158 },
{ "NUMPAD_COMMA", 159 },
{ "NUMPAD_ENTER", 160 },
{ "NUMPAD_EQUALS", 161 },
{ "NUMPAD_LEFT_PAREN", 162 },
{ "NUMPAD_RIGHT_PAREN", 163 },
{ "VOLUME_MUTE", 164 },
{ "INFO", 165 },
{ "CHANNEL_UP", 166 },
{ "CHANNEL_DOWN", 167 },
{ "ZOOM_IN", 168 },
{ "ZOOM_OUT", 169 },
{ "TV", 170 },
{ "WINDOW", 171 },
{ "GUIDE", 172 },
{ "DVR", 173 },
{ "BOOKMARK", 174 },
{ "CAPTIONS", 175 },
{ "SETTINGS", 176 },
{ "TV_POWER", 177 },
{ "TV_INPUT", 178 },
{ "STB_POWER", 179 },
{ "STB_INPUT", 180 },
{ "AVR_POWER", 181 },
{ "AVR_INPUT", 182 },
{ "PROG_RED", 183 },
{ "PROG_GREEN", 184 },
{ "PROG_YELLOW", 185 },
{ "PROG_BLUE", 186 },
{ "APP_SWITCH", 187 },
{ "BUTTON_1", 188 },
{ "BUTTON_2", 189 },
{ "BUTTON_3", 190 },
{ "BUTTON_4", 191 },
{ "BUTTON_5", 192 },
{ "BUTTON_6", 193 },
{ "BUTTON_7", 194 },
{ "BUTTON_8", 195 },
{ "BUTTON_9", 196 },
{ "BUTTON_10", 197 },
{ "BUTTON_11", 198 },
{ "BUTTON_12", 199 },
{ "BUTTON_13", 200 },
{ "BUTTON_14", 201 },
{ "BUTTON_15", 202 },
{ "BUTTON_16", 203 },
{ "LANGUAGE_SWITCH", 204 },
{ "MANNER_MODE", 205 },
{ "3D_MODE", 206 },
{ "CONTACTS", 207 },
{ "CALENDAR", 208 },
{ "MUSIC", 209 },
{ "CALCULATOR", 210 },
// NOTE: If you add a new keycode here you must also add it to several other files.
// Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
{ NULL, 0 }
};
// NOTE: If you edit these flags, also edit policy flags in Input.h.
static const KeycodeLabel FLAGS[] = {
{ "WAKE", 0x00000001 },
{ "WAKE_DROPPED", 0x00000002 },
{ "SHIFT", 0x00000004 },
{ "CAPS_LOCK", 0x00000008 },
{ "ALT", 0x00000010 },
{ "ALT_GR", 0x00000020 },
{ "MENU", 0x00000040 },
{ "LAUNCHER", 0x00000080 },
{ "VIRTUAL", 0x00000100 },
{ "FUNCTION", 0x00000200 },
{ NULL, 0 }
};
static const KeycodeLabel AXES[] = {
{ "X", 0 },
{ "Y", 1 },
{ "PRESSURE", 2 },
{ "SIZE", 3 },
{ "TOUCH_MAJOR", 4 },
{ "TOUCH_MINOR", 5 },
{ "TOOL_MAJOR", 6 },
{ "TOOL_MINOR", 7 },
{ "ORIENTATION", 8 },
{ "VSCROLL", 9 },
{ "HSCROLL", 10 },
{ "Z", 11 },
{ "RX", 12 },
{ "RY", 13 },
{ "RZ", 14 },
{ "HAT_X", 15 },
{ "HAT_Y", 16 },
{ "LTRIGGER", 17 },
{ "RTRIGGER", 18 },
{ "THROTTLE", 19 },
{ "RUDDER", 20 },
{ "WHEEL", 21 },
{ "GAS", 22 },
{ "BRAKE", 23 },
{ "DISTANCE", 24 },
{ "TILT", 25 },
{ "GENERIC_1", 32 },
{ "GENERIC_2", 33 },
{ "GENERIC_3", 34 },
{ "GENERIC_4", 35 },
{ "GENERIC_5", 36 },
{ "GENERIC_6", 37 },
{ "GENERIC_7", 38 },
{ "GENERIC_8", 39 },
{ "GENERIC_9", 40 },
{ "GENERIC_10", 41 },
{ "GENERIC_11", 42 },
{ "GENERIC_12", 43 },
{ "GENERIC_13", 44 },
{ "GENERIC_14", 45 },
{ "GENERIC_15", 46 },
{ "GENERIC_16", 47 },
// NOTE: If you add a new axis here you must also add it to several other files.
// Refer to frameworks/base/core/java/android/view/MotionEvent.java for the full list.
{ NULL, -1 }
};
#endif // _UI_KEYCODE_LABELS_H

33
include/ui/PowerManager.h
View File

@ -1,33 +0,0 @@
/*
* 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 _UI_POWER_MANAGER_H
#define _UI_POWER_MANAGER_H
namespace android {
enum {
POWER_MANAGER_OTHER_EVENT = 0,
POWER_MANAGER_BUTTON_EVENT = 1,
POWER_MANAGER_TOUCH_EVENT = 2,
POWER_MANAGER_LAST_EVENT = POWER_MANAGER_TOUCH_EVENT, // Last valid event code.
};
} // namespace android
#endif // _UI_POWER_MANAGER_H

79
include/ui/VirtualKeyMap.h
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@ -1,79 +0,0 @@
/*
* 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 _UI_VIRTUAL_KEY_MAP_H
#define _UI_VIRTUAL_KEY_MAP_H
#include <stdint.h>
#include <ui/Input.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/Tokenizer.h>
#include <utils/String8.h>
#include <utils/Unicode.h>
namespace android {
/* Describes a virtual key. */
struct VirtualKeyDefinition {
int32_t scanCode;
// configured position data, specified in display coords
int32_t centerX;
int32_t centerY;
int32_t width;
int32_t height;
};
/**
* Describes a collection of virtual keys on a touch screen in terms of
* virtual scan codes and hit rectangles.
*/
class VirtualKeyMap {
public:
~VirtualKeyMap();
static status_t load(const String8& filename, VirtualKeyMap** outMap);
inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const {
return mVirtualKeys;
}
private:
class Parser {
VirtualKeyMap* mMap;
Tokenizer* mTokenizer;
public:
Parser(VirtualKeyMap* map, Tokenizer* tokenizer);
~Parser();
status_t parse();
private:
bool consumeFieldDelimiterAndSkipWhitespace();
bool parseNextIntField(int32_t* outValue);
};
Vector<VirtualKeyDefinition> mVirtualKeys;
VirtualKeyMap();
};
} // namespace android
#endif // _UI_KEY_CHARACTER_MAP_H

2
libs/ui/Input.cpp
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@ -24,7 +24,7 @@
#include <unistd.h>
#include <ctype.h>
#include <ui/Input.h>
#include <androidfw/Input.h>
#include <math.h>
#include <limits.h>

2
libs/ui/InputTransport.cpp
View File

@ -20,7 +20,7 @@
#include <cutils/log.h>
#include <errno.h>
#include <fcntl.h>
#include <ui/InputTransport.h>
#include <androidfw/InputTransport.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>

4
libs/ui/KeyCharacterMap.cpp
View File

@ -19,8 +19,8 @@
#include <stdlib.h>
#include <string.h>
#include <android/keycodes.h>
#include <ui/Keyboard.h>
#include <ui/KeyCharacterMap.h>
#include <androidfw/Keyboard.h>
#include <androidfw/KeyCharacterMap.h>
#include <utils/Log.h>
#include <utils/Errors.h>
#include <utils/Tokenizer.h>

4
libs/ui/KeyLayoutMap.cpp
View File

@ -18,8 +18,8 @@
#include <stdlib.h>
#include <android/keycodes.h>
#include <ui/Keyboard.h>
#include <ui/KeyLayoutMap.h>
#include <androidfw/Keyboard.h>
#include <androidfw/KeyLayoutMap.h>
#include <utils/Log.h>
#include <utils/Errors.h>
#include <utils/Tokenizer.h>

8
libs/ui/Keyboard.cpp
View File

@ -20,10 +20,10 @@
#include <unistd.h>
#include <limits.h>
#include <ui/Keyboard.h>
#include <ui/KeycodeLabels.h>
#include <ui/KeyLayoutMap.h>
#include <ui/KeyCharacterMap.h>
#include <androidfw/Keyboard.h>
#include <androidfw/KeycodeLabels.h>
#include <androidfw/KeyLayoutMap.h>
#include <androidfw/KeyCharacterMap.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <cutils/properties.h>

2
libs/ui/VirtualKeyMap.cpp
View File

@ -18,7 +18,7 @@
#include <stdlib.h>
#include <string.h>
#include <ui/VirtualKeyMap.h>
#include <androidfw/VirtualKeyMap.h>
#include <utils/Log.h>
#include <utils/Errors.h>
#include <utils/Tokenizer.h>

3
libs/ui/tests/InputChannel_test.cpp
View File

@ -14,9 +14,10 @@
* limitations under the License.
*/
#include <ui/InputTransport.h>
#include <androidfw/InputTransport.h>
#include <utils/Timers.h>
#include <utils/StopWatch.h>
#include <utils/StrongPointer.h>
#include <gtest/gtest.h>
#include <unistd.h>
#include <time.h>

2
libs/ui/tests/InputEvent_test.cpp
View File

@ -14,7 +14,7 @@
* limitations under the License.
*/
#include <ui/Input.h>
#include <androidfw/Input.h>
#include <gtest/gtest.h>
#include <binder/Parcel.h>

2
libs/ui/tests/InputPublisherAndConsumer_test.cpp
View File

@ -14,7 +14,7 @@
* limitations under the License.
*/
#include <ui/InputTransport.h>
#include <androidfw/InputTransport.h>
#include <utils/Timers.h>
#include <utils/StopWatch.h>
#include <gtest/gtest.h>