openpilot v0.6 release

2026-02-19 22:53:57 +08:00 · 2019-06-28 21:11:30 +00:00
parent ae44a57565
commit 8a9ed94f5f
977 changed files with 90130 additions and 100834 deletions
--- a/phonelibs/android_frameworks_native/include/input/Input.h
+++ b/phonelibs/android_frameworks_native/include/input/Input.h
@@ -0,0 +1,681 @@
+/*
+ * 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 _LIBINPUT_INPUT_H
+#define _LIBINPUT_INPUT_H
+
+/**
+ * Native input event structures.
+ */
+
+#include <android/input.h>
+#include <utils/BitSet.h>
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/Timers.h>
+#include <utils/Vector.h>
+#include <stdint.h>
+
+/*
+ * 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 {
+
+    /**
+     * This flag indicates that the window that received this motion event is partly
+     * or wholly obscured by another visible window above it.  This flag is set to true
+     * even if the event did not directly pass through the obscured area.
+     * A security sensitive application can check this flag to identify situations in which
+     * a malicious application may have covered up part of its content for the purpose
+     * of misleading the user or hijacking touches.  An appropriate response might be
+     * to drop the suspect touches or to take additional precautions to confirm the user's
+     * actual intent.
+     */
+    AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 0x2,
+
+    /* 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,
+};
+
+enum {
+    /**
+     * Constants for LEDs. Hidden from the API since we don't actually expose a way to interact
+     * with LEDs to developers
+     *
+     * NOTE: If you add LEDs here, you must also add them to InputEventLabels.h
+     */
+
+    ALED_NUM_LOCK = 0x00,
+    ALED_CAPS_LOCK = 0x01,
+    ALED_SCROLL_LOCK = 0x02,
+    ALED_COMPOSE = 0x03,
+    ALED_KANA = 0x04,
+    ALED_SLEEP = 0x05,
+    ALED_SUSPEND = 0x06,
+    ALED_MUTE = 0x07,
+    ALED_MISC = 0x08,
+    ALED_MAIL = 0x09,
+    ALED_CHARGING = 0x0a,
+    ALED_CONTROLLER_1 = 0x10,
+    ALED_CONTROLLER_2 = 0x11,
+    ALED_CONTROLLER_3 = 0x12,
+    ALED_CONTROLLER_4 = 0x13,
+};
+
+/* Maximum number of controller LEDs we support */
+#define MAX_CONTROLLER_LEDS 4
+
+/*
+ * 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 number of samples supported per motion event.
+ */
+#define MAX_SAMPLES UINT16_MAX
+
+/*
+ * 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 want a flag to be able to set in a keylayout file, then you must add it to
+     * InputEventLabels.h as well. */
+
+    // Indicates that the event should wake the device.
+    POLICY_FLAG_WAKE = 0x00000001,
+
+    // Indicates that the key is virtual, such as a capacitive button, and should
+    // generate haptic feedback.  Virtual keys may be suppressed for some time
+    // after a recent touch to prevent accidental activation of virtual keys adjacent
+    // to the touch screen during an edge swipe.
+    POLICY_FLAG_VIRTUAL = 0x00000002,
+
+    // Indicates that the key is the special function modifier.
+    POLICY_FLAG_FUNCTION = 0x00000004,
+
+    // Indicates that the key represents a special gesture that has been detected by
+    // the touch firmware or driver.  Causes touch events from the same device to be canceled.
+    POLICY_FLAG_GESTURE = 0x00000008,
+
+    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 device was in an interactive state when the
+    // event was intercepted.
+    POLICY_FLAG_INTERACTIVE = 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 = 30 }; // 30 so that sizeof(PointerCoords) == 128
+
+    // Bitfield of axes that are present in this structure.
+    uint64_t bits __attribute__((aligned(8)));
+
+    // 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() {
+        BitSet64::clear(bits);
+    }
+
+    bool isEmpty() const {
+        return BitSet64::isEmpty(bits);
+    }
+
+    float getAxisValue(int32_t axis) const;
+    status_t setAxisValue(int32_t axis, float value);
+
+    void scale(float scale);
+    void applyOffset(float xOffset, float yOffset);
+
+    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; }
+
+    static const char* getLabel(int32_t keyCode);
+    static int32_t getKeyCodeFromLabel(const char* label);
+    
+    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 int32_t setButtonState(int32_t buttonState) { mButtonState = buttonState; }
+
+    inline int32_t getActionButton() const { return mActionButton; }
+
+    inline void setActionButton(int32_t button) { mActionButton = button; }
+
+    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 actionButton,
+            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);
+
+    // Apply 3x3 perspective matrix transformation.
+    // Matrix is in row-major form and compatible with SkMatrix.
+    void transform(const float matrix[9]);
+
+#ifdef HAVE_ANDROID_OS
+    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();
+    }
+
+    static const char* getLabel(int32_t axis);
+    static int32_t getAxisFromLabel(const char* label);
+
+protected:
+    int32_t mAction;
+    int32_t mActionButton;
+    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 // _LIBINPUT_INPUT_H