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Diffstat (limited to 'widget/gonk/libui/Input.h')
| -rw-r--r-- | widget/gonk/libui/Input.h | 622 |
1 files changed, 0 insertions, 622 deletions
diff --git a/widget/gonk/libui/Input.h b/widget/gonk/libui/Input.h deleted file mode 100644 index 3d958bfab..000000000 --- a/widget/gonk/libui/Input.h +++ /dev/null @@ -1,622 +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 _ANDROIDFW_INPUT_H -#define _ANDROIDFW_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> - -#ifdef HAVE_ANDROID_OS -class SkMatrix; -#endif - -/* - * Additional private constants not defined in ndk/ui/input.h. - */ -enum { - /* Signifies that the key is being predispatched */ - AKEY_EVENT_FLAG_PREDISPATCH = 0x20000000, - - /* 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 { - /* Used when a motion event is not associated with any display. - * Typically used for non-pointer events. */ - ADISPLAY_ID_NONE = -1, - - /* The default display id. */ - ADISPLAY_ID_DEFAULT = 0, -}; - -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, -}; - -/* - * 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 void setFlags(int32_t flags) { mFlags = flags; } - - 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; -}; - -/* - * An input event factory implementation that maintains a pool of input events. - */ -class PooledInputEventFactory : public InputEventFactoryInterface { -public: - PooledInputEventFactory(size_t maxPoolSize = 20); - virtual ~PooledInputEventFactory(); - - virtual KeyEvent* createKeyEvent(); - virtual MotionEvent* createMotionEvent(); - - void recycle(InputEvent* event); - -private: - const size_t mMaxPoolSize; - - Vector<KeyEvent*> mKeyEventPool; - Vector<MotionEvent*> mMotionEventPool; -}; - -} // namespace android - -#endif // _ANDROIDFW_INPUT_H |