diff options
Diffstat (limited to 'services/java/com/android/server/KeyInputQueue.java')
-rw-r--r-- | services/java/com/android/server/KeyInputQueue.java | 1388 |
1 files changed, 0 insertions, 1388 deletions
diff --git a/services/java/com/android/server/KeyInputQueue.java b/services/java/com/android/server/KeyInputQueue.java deleted file mode 100644 index f62c7ee..0000000 --- a/services/java/com/android/server/KeyInputQueue.java +++ /dev/null @@ -1,1388 +0,0 @@ -/* - * Copyright (C) 2007 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. - */ - -package com.android.server; - -import android.content.Context; -import android.content.res.Configuration; -import android.content.res.Resources; -import android.os.Environment; -import android.os.LatencyTimer; -import android.os.PowerManager; -import android.os.SystemClock; -import android.os.SystemProperties; -import android.util.Slog; -import android.util.SparseArray; -import android.util.Xml; -import android.view.Display; -import android.view.KeyEvent; -import android.view.MotionEvent; -import android.view.RawInputEvent; -import android.view.Surface; -import android.view.WindowManagerPolicy; - -import com.android.internal.util.XmlUtils; - -import org.xmlpull.v1.XmlPullParser; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileReader; -import java.io.IOException; -import java.io.InputStreamReader; -import java.io.PrintWriter; -import java.util.ArrayList; - -public abstract class KeyInputQueue { - static final String TAG = "KeyInputQueue"; - - static final boolean DEBUG = false; - static final boolean DEBUG_VIRTUAL_KEYS = false; - static final boolean DEBUG_POINTERS = false; - - /** - * Turn on some hacks we have to improve the touch interaction with a - * certain device whose screen currently is not all that good. - */ - static boolean BAD_TOUCH_HACK = false; - - /** - * Turn on some hacks to improve touch interaction with another device - * where touch coordinate data can get corrupted. - */ - static boolean JUMPY_TOUCH_HACK = false; - - private static final String EXCLUDED_DEVICES_PATH = "etc/excluded-input-devices.xml"; - - final SparseArray<InputDevice> mDevices = new SparseArray<InputDevice>(); - final SparseArray<InputDevice> mIgnoredDevices = new SparseArray<InputDevice>(); - final ArrayList<VirtualKey> mVirtualKeys = new ArrayList<VirtualKey>(); - final HapticFeedbackCallback mHapticFeedbackCallback; - - int mGlobalMetaState = 0; - boolean mHaveGlobalMetaState = false; - - final QueuedEvent mFirst; - final QueuedEvent mLast; - QueuedEvent mCache; - int mCacheCount; - - Display mDisplay = null; - int mDisplayWidth; - int mDisplayHeight; - - int mOrientation = Surface.ROTATION_0; - int[] mKeyRotationMap = null; - - VirtualKey mPressedVirtualKey = null; - - PowerManager.WakeLock mWakeLock; - - static final int[] KEY_90_MAP = new int[] { - KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_RIGHT, - KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_UP, - KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_LEFT, - KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_DOWN, - }; - - static final int[] KEY_180_MAP = new int[] { - KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_UP, - KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_LEFT, - KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_DOWN, - KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_RIGHT, - }; - - static final int[] KEY_270_MAP = new int[] { - KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_LEFT, - KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_UP, - KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_RIGHT, - KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_DOWN, - }; - - public static final int FILTER_REMOVE = 0; - public static final int FILTER_KEEP = 1; - public static final int FILTER_ABORT = -1; - - private static final boolean MEASURE_LATENCY = false; - private LatencyTimer lt; - - public interface FilterCallback { - int filterEvent(QueuedEvent ev); - } - - public interface HapticFeedbackCallback { - void virtualKeyFeedback(KeyEvent event); - } - - static class QueuedEvent { - InputDevice inputDevice; - long whenNano; - int flags; // From the raw event - int classType; // One of the class constants in InputEvent - Object event; - boolean inQueue; - - void copyFrom(QueuedEvent that) { - this.inputDevice = that.inputDevice; - this.whenNano = that.whenNano; - this.flags = that.flags; - this.classType = that.classType; - this.event = that.event; - } - - @Override - public String toString() { - return "QueuedEvent{" - + Integer.toHexString(System.identityHashCode(this)) - + " " + event + "}"; - } - - // not copied - QueuedEvent prev; - QueuedEvent next; - } - - /** - * A key that exists as a part of the touch-screen, outside of the normal - * display area of the screen. - */ - static class VirtualKey { - int scancode; - int centerx; - int centery; - int width; - int height; - - int hitLeft; - int hitTop; - int hitRight; - int hitBottom; - - InputDevice lastDevice; - int lastKeycode; - - boolean checkHit(int x, int y) { - return (x >= hitLeft && x <= hitRight - && y >= hitTop && y <= hitBottom); - } - - void computeHitRect(InputDevice dev, int dw, int dh) { - if (dev == lastDevice) { - return; - } - - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "computeHitRect for " + scancode - + ": dev=" + dev + " absX=" + dev.absX + " absY=" + dev.absY); - - lastDevice = dev; - - int minx = dev.absX.minValue; - int maxx = dev.absX.maxValue; - - int halfw = width/2; - int left = centerx - halfw; - int right = centerx + halfw; - hitLeft = minx + ((left*maxx-minx)/dw); - hitRight = minx + ((right*maxx-minx)/dw); - - int miny = dev.absY.minValue; - int maxy = dev.absY.maxValue; - - int halfh = height/2; - int top = centery - halfh; - int bottom = centery + halfh; - hitTop = miny + ((top*maxy-miny)/dh); - hitBottom = miny + ((bottom*maxy-miny)/dh); - } - } - - private void readVirtualKeys(String deviceName) { - try { - FileInputStream fis = new FileInputStream( - "/sys/board_properties/virtualkeys." + deviceName); - InputStreamReader isr = new InputStreamReader(fis); - BufferedReader br = new BufferedReader(isr, 2048); - String str = br.readLine(); - if (str != null) { - String[] it = str.split(":"); - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "***** VIRTUAL KEYS: " + it); - final int N = it.length-6; - for (int i=0; i<=N; i+=6) { - if (!"0x01".equals(it[i])) { - Slog.w(TAG, "Unknown virtual key type at elem #" + i - + ": " + it[i]); - continue; - } - try { - VirtualKey sb = new VirtualKey(); - sb.scancode = Integer.parseInt(it[i+1]); - sb.centerx = Integer.parseInt(it[i+2]); - sb.centery = Integer.parseInt(it[i+3]); - sb.width = Integer.parseInt(it[i+4]); - sb.height = Integer.parseInt(it[i+5]); - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Virtual key " - + sb.scancode + ": center=" + sb.centerx + "," - + sb.centery + " size=" + sb.width + "x" - + sb.height); - mVirtualKeys.add(sb); - } catch (NumberFormatException e) { - Slog.w(TAG, "Bad number at region " + i + " in: " - + str, e); - } - } - } - br.close(); - } catch (FileNotFoundException e) { - Slog.i(TAG, "No virtual keys found"); - } catch (IOException e) { - Slog.w(TAG, "Error reading virtual keys", e); - } - } - - private void readExcludedDevices() { - // Read partner-provided list of excluded input devices - XmlPullParser parser = null; - // Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system". - File confFile = new File(Environment.getRootDirectory(), EXCLUDED_DEVICES_PATH); - FileReader confreader = null; - try { - confreader = new FileReader(confFile); - parser = Xml.newPullParser(); - parser.setInput(confreader); - XmlUtils.beginDocument(parser, "devices"); - - while (true) { - XmlUtils.nextElement(parser); - if (!"device".equals(parser.getName())) { - break; - } - String name = parser.getAttributeValue(null, "name"); - if (name != null) { - if (DEBUG) Slog.v(TAG, "addExcludedDevice " + name); - addExcludedDevice(name); - } - } - } catch (FileNotFoundException e) { - // It's ok if the file does not exist. - } catch (Exception e) { - Slog.e(TAG, "Exception while parsing '" + confFile.getAbsolutePath() + "'", e); - } finally { - try { if (confreader != null) confreader.close(); } catch (IOException e) { } - } - } - - KeyInputQueue(Context context, HapticFeedbackCallback hapticFeedbackCallback) { - if (MEASURE_LATENCY) { - lt = new LatencyTimer(100, 1000); - } - - Resources r = context.getResources(); - BAD_TOUCH_HACK = r.getBoolean(com.android.internal.R.bool.config_filterTouchEvents); - - JUMPY_TOUCH_HACK = r.getBoolean(com.android.internal.R.bool.config_filterJumpyTouchEvents); - - mHapticFeedbackCallback = hapticFeedbackCallback; - - if (! WindowManagerService.ENABLE_NATIVE_INPUT_DISPATCH) { - readExcludedDevices(); - } - - PowerManager pm = (PowerManager)context.getSystemService( - Context.POWER_SERVICE); - mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, - "KeyInputQueue"); - mWakeLock.setReferenceCounted(false); - - mFirst = new QueuedEvent(); - mLast = new QueuedEvent(); - mFirst.next = mLast; - mLast.prev = mFirst; - - if (! WindowManagerService.ENABLE_NATIVE_INPUT_DISPATCH) { - mThread.start(); - } - } - - public void setDisplay(Display display) { - mDisplay = display; - - // We assume at this point that the display dimensions reflect the - // natural, unrotated display. We will perform hit tests for soft - // buttons based on that display. - mDisplayWidth = display.getWidth(); - mDisplayHeight = display.getHeight(); - } - - public void getInputConfiguration(Configuration config) { - synchronized (mFirst) { - config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH; - config.keyboard = Configuration.KEYBOARD_NOKEYS; - config.navigation = Configuration.NAVIGATION_NONAV; - - final int N = mDevices.size(); - for (int i=0; i<N; i++) { - InputDevice d = mDevices.valueAt(i); - if (d != null) { - if ((d.classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { - config.touchscreen - = Configuration.TOUCHSCREEN_FINGER; - //Slog.i("foo", "***** HAVE TOUCHSCREEN!"); - } - if ((d.classes&RawInputEvent.CLASS_ALPHAKEY) != 0) { - config.keyboard - = Configuration.KEYBOARD_QWERTY; - //Slog.i("foo", "***** HAVE QWERTY!"); - } - if ((d.classes&RawInputEvent.CLASS_TRACKBALL) != 0) { - config.navigation - = Configuration.NAVIGATION_TRACKBALL; - //Slog.i("foo", "***** HAVE TRACKBALL!"); - } else if ((d.classes&RawInputEvent.CLASS_DPAD) != 0) { - config.navigation - = Configuration.NAVIGATION_DPAD; - //Slog.i("foo", "***** HAVE DPAD!"); - } - } - } - } - } - - public int getScancodeState(int code) { - synchronized (mFirst) { - VirtualKey vk = mPressedVirtualKey; - if (vk != null) { - if (vk.scancode == code) { - return 2; - } - } - return nativeGetScancodeState(code); - } - } - - public int getScancodeState(int deviceId, int code) { - synchronized (mFirst) { - VirtualKey vk = mPressedVirtualKey; - if (vk != null) { - if (vk.scancode == code) { - return 2; - } - } - return nativeGetScancodeState(deviceId, code); - } - } - - public int getTrackballScancodeState(int code) { - synchronized (mFirst) { - final int N = mDevices.size(); - for (int i=0; i<N; i++) { - InputDevice dev = mDevices.valueAt(i); - if ((dev.classes&RawInputEvent.CLASS_TRACKBALL) != 0) { - int res = nativeGetScancodeState(dev.id, code); - if (res > 0) { - return res; - } - } - } - } - - return 0; - } - - public int getDPadScancodeState(int code) { - synchronized (mFirst) { - final int N = mDevices.size(); - for (int i=0; i<N; i++) { - InputDevice dev = mDevices.valueAt(i); - if ((dev.classes&RawInputEvent.CLASS_DPAD) != 0) { - int res = nativeGetScancodeState(dev.id, code); - if (res > 0) { - return res; - } - } - } - } - - return 0; - } - - public int getKeycodeState(int code) { - synchronized (mFirst) { - VirtualKey vk = mPressedVirtualKey; - if (vk != null) { - if (vk.lastKeycode == code) { - return 2; - } - } - return nativeGetKeycodeState(code); - } - } - - public int getKeycodeState(int deviceId, int code) { - synchronized (mFirst) { - VirtualKey vk = mPressedVirtualKey; - if (vk != null) { - if (vk.lastKeycode == code) { - return 2; - } - } - return nativeGetKeycodeState(deviceId, code); - } - } - - public int getTrackballKeycodeState(int code) { - synchronized (mFirst) { - final int N = mDevices.size(); - for (int i=0; i<N; i++) { - InputDevice dev = mDevices.valueAt(i); - if ((dev.classes&RawInputEvent.CLASS_TRACKBALL) != 0) { - int res = nativeGetKeycodeState(dev.id, code); - if (res > 0) { - return res; - } - } - } - } - - return 0; - } - - public int getDPadKeycodeState(int code) { - synchronized (mFirst) { - final int N = mDevices.size(); - for (int i=0; i<N; i++) { - InputDevice dev = mDevices.valueAt(i); - if ((dev.classes&RawInputEvent.CLASS_DPAD) != 0) { - int res = nativeGetKeycodeState(dev.id, code); - if (res > 0) { - return res; - } - } - } - } - - return 0; - } - - public static native String getDeviceName(int deviceId); - public static native int getDeviceClasses(int deviceId); - public static native void addExcludedDevice(String deviceName); - public static native boolean getAbsoluteInfo(int deviceId, int axis, - InputDevice.AbsoluteInfo outInfo); - public static native int getSwitchState(int sw); - public static native int getSwitchState(int deviceId, int sw); - public static native int nativeGetScancodeState(int code); - public static native int nativeGetScancodeState(int deviceId, int code); - public static native int nativeGetKeycodeState(int code); - public static native int nativeGetKeycodeState(int deviceId, int code); - public static native int scancodeToKeycode(int deviceId, int scancode); - public static native boolean hasKeys(int[] keycodes, boolean[] keyExists); - - public static KeyEvent newKeyEvent(InputDevice device, long downTime, - long eventTime, boolean down, int keycode, int repeatCount, - int scancode, int flags) { - return new KeyEvent( - downTime, eventTime, - down ? KeyEvent.ACTION_DOWN : KeyEvent.ACTION_UP, - keycode, repeatCount, - device != null ? device.mMetaKeysState : 0, - device != null ? device.id : -1, scancode, - flags | KeyEvent.FLAG_FROM_SYSTEM); - } - - Thread mThread = new Thread("InputDeviceReader") { - public void run() { - if (DEBUG) Slog.v(TAG, "InputDeviceReader.run()"); - android.os.Process.setThreadPriority( - android.os.Process.THREAD_PRIORITY_URGENT_DISPLAY); - - RawInputEvent ev = new RawInputEvent(); - while (true) { - try { - InputDevice di; - - // block, doesn't release the monitor - readEvent(ev); - - boolean send = false; - boolean configChanged = false; - - if (false) { - Slog.i(TAG, "Input event: dev=0x" - + Integer.toHexString(ev.deviceId) - + " type=0x" + Integer.toHexString(ev.type) - + " scancode=" + ev.scancode - + " keycode=" + ev.keycode - + " value=" + ev.value); - } - - if (ev.type == RawInputEvent.EV_DEVICE_ADDED) { - synchronized (mFirst) { - di = newInputDevice(ev.deviceId); - if (di.classes != 0) { - // If this device is some kind of input class, - // we care about it. - mDevices.put(ev.deviceId, di); - if ((di.classes & RawInputEvent.CLASS_TOUCHSCREEN) != 0) { - readVirtualKeys(di.name); - } - // The configuration may have changed because - // of this device. - configChanged = true; - } else { - // We won't do anything with this device. - mIgnoredDevices.put(ev.deviceId, di); - Slog.i(TAG, "Ignoring non-input device: id=0x" - + Integer.toHexString(di.id) - + ", name=" + di.name); - } - } - } else if (ev.type == RawInputEvent.EV_DEVICE_REMOVED) { - synchronized (mFirst) { - if (false) { - Slog.i(TAG, "Device removed: id=0x" - + Integer.toHexString(ev.deviceId)); - } - di = mDevices.get(ev.deviceId); - if (di != null) { - mDevices.delete(ev.deviceId); - // The configuration may have changed because - // of this device. - configChanged = true; - } else if ((di=mIgnoredDevices.get(ev.deviceId)) != null) { - mIgnoredDevices.remove(ev.deviceId); - } else { - Slog.w(TAG, "Removing bad device id: " - + Integer.toHexString(ev.deviceId)); - continue; - } - } - } else { - di = getInputDevice(ev.deviceId); - if (di == null) { - // This may be some junk from an ignored device. - continue; - } - - // first crack at it - send = preprocessEvent(di, ev); - - if (ev.type == RawInputEvent.EV_KEY) { - di.mMetaKeysState = makeMetaState(ev.keycode, - ev.value != 0, di.mMetaKeysState); - mHaveGlobalMetaState = false; - } - } - - if (configChanged) { - synchronized (mFirst) { - addLocked(di, System.nanoTime(), 0, - RawInputEvent.CLASS_CONFIGURATION_CHANGED, - null); - } - } - - if (!send) { - continue; - } - - synchronized (mFirst) { - // NOTE: The event timebase absolutely must be the same - // timebase as SystemClock.uptimeMillis(). - //curTime = gotOne ? ev.when : SystemClock.uptimeMillis(); - final long curTime = SystemClock.uptimeMillis(); - final long curTimeNano = System.nanoTime(); - //Slog.i(TAG, "curTime=" + curTime + ", systemClock=" + SystemClock.uptimeMillis()); - - final int classes = di.classes; - final int type = ev.type; - final int scancode = ev.scancode; - send = false; - - // Is it a key event? - if (type == RawInputEvent.EV_KEY && - (classes&RawInputEvent.CLASS_KEYBOARD) != 0 && - (scancode < RawInputEvent.BTN_FIRST || - scancode > RawInputEvent.BTN_LAST)) { - boolean down; - if (ev.value != 0) { - down = true; - di.mKeyDownTime = curTime; - } else { - down = false; - } - int keycode = rotateKeyCodeLocked(ev.keycode); - addLocked(di, curTimeNano, ev.flags, - RawInputEvent.CLASS_KEYBOARD, - newKeyEvent(di, di.mKeyDownTime, curTime, down, - keycode, 0, scancode, - ((ev.flags & WindowManagerPolicy.FLAG_WOKE_HERE) != 0) - ? KeyEvent.FLAG_WOKE_HERE : 0)); - - } else if (ev.type == RawInputEvent.EV_KEY) { - // Single touch protocol: touch going down or up. - if (ev.scancode == RawInputEvent.BTN_TOUCH && - (classes&(RawInputEvent.CLASS_TOUCHSCREEN - |RawInputEvent.CLASS_TOUCHSCREEN_MT)) - == RawInputEvent.CLASS_TOUCHSCREEN) { - di.mAbs.changed = true; - di.mAbs.mDown[0] = ev.value != 0; - - // Trackball (mouse) protocol: press down or up. - } else if (ev.scancode == RawInputEvent.BTN_MOUSE && - (classes&RawInputEvent.CLASS_TRACKBALL) != 0) { - di.mRel.changed = true; - di.mRel.mNextNumPointers = ev.value != 0 ? 1 : 0; - send = true; - } - - // Process position events from multitouch protocol. - } else if (ev.type == RawInputEvent.EV_ABS && - (classes&RawInputEvent.CLASS_TOUCHSCREEN_MT) != 0) { - if (ev.scancode == RawInputEvent.ABS_MT_TOUCH_MAJOR) { - di.mAbs.changed = true; - di.mAbs.mNextData[di.mAbs.mAddingPointerOffset - + MotionEvent.SAMPLE_PRESSURE] = ev.value; - } else if (ev.scancode == RawInputEvent.ABS_MT_POSITION_X) { - di.mAbs.changed = true; - di.mAbs.mNextData[di.mAbs.mAddingPointerOffset - + MotionEvent.SAMPLE_X] = ev.value; - if (DEBUG_POINTERS) Slog.v(TAG, "MT @" - + di.mAbs.mAddingPointerOffset - + " X:" + ev.value); - } else if (ev.scancode == RawInputEvent.ABS_MT_POSITION_Y) { - di.mAbs.changed = true; - di.mAbs.mNextData[di.mAbs.mAddingPointerOffset - + MotionEvent.SAMPLE_Y] = ev.value; - if (DEBUG_POINTERS) Slog.v(TAG, "MT @" - + di.mAbs.mAddingPointerOffset - + " Y:" + ev.value); - } else if (ev.scancode == RawInputEvent.ABS_MT_WIDTH_MAJOR) { - di.mAbs.changed = true; - di.mAbs.mNextData[di.mAbs.mAddingPointerOffset - + MotionEvent.SAMPLE_SIZE] = ev.value; - } - - // Process position events from single touch protocol. - } else if (ev.type == RawInputEvent.EV_ABS && - (classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { - if (ev.scancode == RawInputEvent.ABS_X) { - di.mAbs.changed = true; - di.curTouchVals[MotionEvent.SAMPLE_X] = ev.value; - } else if (ev.scancode == RawInputEvent.ABS_Y) { - di.mAbs.changed = true; - di.curTouchVals[MotionEvent.SAMPLE_Y] = ev.value; - } else if (ev.scancode == RawInputEvent.ABS_PRESSURE) { - di.mAbs.changed = true; - di.curTouchVals[MotionEvent.SAMPLE_PRESSURE] = ev.value; - di.curTouchVals[MotionEvent.NUM_SAMPLE_DATA - + MotionEvent.SAMPLE_PRESSURE] = ev.value; - } else if (ev.scancode == RawInputEvent.ABS_TOOL_WIDTH) { - di.mAbs.changed = true; - di.curTouchVals[MotionEvent.SAMPLE_SIZE] = ev.value; - di.curTouchVals[MotionEvent.NUM_SAMPLE_DATA - + MotionEvent.SAMPLE_SIZE] = ev.value; - } - - // Process movement events from trackball (mouse) protocol. - } else if (ev.type == RawInputEvent.EV_REL && - (classes&RawInputEvent.CLASS_TRACKBALL) != 0) { - // Add this relative movement into our totals. - if (ev.scancode == RawInputEvent.REL_X) { - di.mRel.changed = true; - di.mRel.mNextData[MotionEvent.SAMPLE_X] += ev.value; - } else if (ev.scancode == RawInputEvent.REL_Y) { - di.mRel.changed = true; - di.mRel.mNextData[MotionEvent.SAMPLE_Y] += ev.value; - } - } - - // Handle multitouch protocol sync: tells us that the - // driver has returned all data for -one- of the pointers - // that is currently down. - if (ev.type == RawInputEvent.EV_SYN - && ev.scancode == RawInputEvent.SYN_MT_REPORT - && di.mAbs != null) { - di.mAbs.changed = true; - if (di.mAbs.mNextData[MotionEvent.SAMPLE_PRESSURE] > 0) { - // If the value is <= 0, the pointer is not - // down, so keep it in the count. - - if (di.mAbs.mNextData[di.mAbs.mAddingPointerOffset - + MotionEvent.SAMPLE_PRESSURE] != 0) { - final int num = di.mAbs.mNextNumPointers+1; - di.mAbs.mNextNumPointers = num; - if (DEBUG_POINTERS) Slog.v(TAG, - "MT_REPORT: now have " + num + " pointers"); - final int newOffset = (num <= InputDevice.MAX_POINTERS) - ? (num * MotionEvent.NUM_SAMPLE_DATA) - : (InputDevice.MAX_POINTERS * - MotionEvent.NUM_SAMPLE_DATA); - di.mAbs.mAddingPointerOffset = newOffset; - di.mAbs.mNextData[newOffset - + MotionEvent.SAMPLE_PRESSURE] = 0; - } else { - if (DEBUG_POINTERS) Slog.v(TAG, "MT_REPORT: no pointer"); - } - } - - // Handle general event sync: all data for the current - // event update has been delivered. - } else if (send || (ev.type == RawInputEvent.EV_SYN - && ev.scancode == RawInputEvent.SYN_REPORT)) { - if (mDisplay != null) { - if (!mHaveGlobalMetaState) { - computeGlobalMetaStateLocked(); - } - - MotionEvent me; - - InputDevice.MotionState ms = di.mAbs; - if (ms.changed) { - ms.everChanged = true; - ms.changed = false; - - if ((classes&(RawInputEvent.CLASS_TOUCHSCREEN - |RawInputEvent.CLASS_TOUCHSCREEN_MT)) - == RawInputEvent.CLASS_TOUCHSCREEN) { - ms.mNextNumPointers = 0; - if (ms.mDown[0]) { - System.arraycopy(di.curTouchVals, 0, - ms.mNextData, 0, - MotionEvent.NUM_SAMPLE_DATA); - ms.mNextNumPointers++; - } - } - - if (BAD_TOUCH_HACK) { - ms.dropBadPoint(di); - } - if (JUMPY_TOUCH_HACK) { - ms.dropJumpyPoint(di); - } - - boolean doMotion = !monitorVirtualKey(di, - ev, curTime, curTimeNano); - - if (doMotion && ms.mNextNumPointers > 0 - && (ms.mLastNumPointers == 0 - || ms.mSkipLastPointers)) { - doMotion = !generateVirtualKeyDown(di, - ev, curTime, curTimeNano); - } - - if (doMotion) { - // XXX Need to be able to generate - // multiple events here, for example - // if two fingers change up/down state - // at the same time. - do { - me = ms.generateAbsMotion(di, curTime, - curTimeNano, mDisplay, - mOrientation, mGlobalMetaState); - if (DEBUG_POINTERS) Slog.v(TAG, "Absolute: x=" - + di.mAbs.mNextData[MotionEvent.SAMPLE_X] - + " y=" - + di.mAbs.mNextData[MotionEvent.SAMPLE_Y] - + " ev=" + me); - if (me != null) { - if (WindowManagerPolicy.WATCH_POINTER) { - Slog.i(TAG, "Enqueueing: " + me); - } - addLocked(di, curTimeNano, ev.flags, - RawInputEvent.CLASS_TOUCHSCREEN, me); - } - } while (ms.hasMore()); - } else { - // We are consuming movement in the - // virtual key area... but still - // propagate this to the previous - // data for comparisons. - int num = ms.mNextNumPointers; - if (num > InputDevice.MAX_POINTERS) { - num = InputDevice.MAX_POINTERS; - } - System.arraycopy(ms.mNextData, 0, - ms.mLastData, 0, - num * MotionEvent.NUM_SAMPLE_DATA); - ms.mLastNumPointers = num; - ms.mSkipLastPointers = true; - } - - ms.finish(); - } - - ms = di.mRel; - if (ms.changed) { - ms.everChanged = true; - ms.changed = false; - - me = ms.generateRelMotion(di, curTime, - curTimeNano, - mOrientation, mGlobalMetaState); - if (false) Slog.v(TAG, "Relative: x=" - + di.mRel.mNextData[MotionEvent.SAMPLE_X] - + " y=" - + di.mRel.mNextData[MotionEvent.SAMPLE_Y] - + " ev=" + me); - if (me != null) { - addLocked(di, curTimeNano, ev.flags, - RawInputEvent.CLASS_TRACKBALL, me); - } - } - } - } - } - - } catch (RuntimeException exc) { - Slog.e(TAG, "InputReaderThread uncaught exception", exc); - } - } - } - }; - - private boolean isInsideDisplay(InputDevice dev) { - final InputDevice.AbsoluteInfo absx = dev.absX; - final InputDevice.AbsoluteInfo absy = dev.absY; - final InputDevice.MotionState absm = dev.mAbs; - if (absx == null || absy == null || absm == null) { - return true; - } - - if (absm.mNextData[MotionEvent.SAMPLE_X] >= absx.minValue - && absm.mNextData[MotionEvent.SAMPLE_X] <= absx.maxValue - && absm.mNextData[MotionEvent.SAMPLE_Y] >= absy.minValue - && absm.mNextData[MotionEvent.SAMPLE_Y] <= absy.maxValue) { - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Input (" - + absm.mNextData[MotionEvent.SAMPLE_X] - + "," + absm.mNextData[MotionEvent.SAMPLE_Y] - + ") inside of display"); - return true; - } - - return false; - } - - private VirtualKey findVirtualKey(InputDevice dev) { - final int N = mVirtualKeys.size(); - if (N <= 0) { - return null; - } - - final InputDevice.MotionState absm = dev.mAbs; - for (int i=0; i<N; i++) { - VirtualKey sb = mVirtualKeys.get(i); - sb.computeHitRect(dev, mDisplayWidth, mDisplayHeight); - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Hit test (" - + absm.mNextData[MotionEvent.SAMPLE_X] + "," - + absm.mNextData[MotionEvent.SAMPLE_Y] + ") in code " - + sb.scancode + " - (" + sb.hitLeft - + "," + sb.hitTop + ")-(" + sb.hitRight + "," - + sb.hitBottom + ")"); - if (sb.checkHit(absm.mNextData[MotionEvent.SAMPLE_X], - absm.mNextData[MotionEvent.SAMPLE_Y])) { - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Hit!"); - return sb; - } - } - - return null; - } - - private boolean generateVirtualKeyDown(InputDevice di, RawInputEvent ev, - long curTime, long curTimeNano) { - if (isInsideDisplay(di)) { - // Didn't consume event. - return false; - } - - - VirtualKey vk = findVirtualKey(di); - if (vk != null) { - final InputDevice.MotionState ms = di.mAbs; - mPressedVirtualKey = vk; - vk.lastKeycode = scancodeToKeycode(di.id, vk.scancode); - ms.mLastNumPointers = ms.mNextNumPointers; - di.mKeyDownTime = curTime; - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, - "Generate key down for: " + vk.scancode - + " (keycode=" + vk.lastKeycode + ")"); - KeyEvent event = newKeyEvent(di, di.mKeyDownTime, curTime, true, - vk.lastKeycode, 0, vk.scancode, - KeyEvent.FLAG_VIRTUAL_HARD_KEY); - mHapticFeedbackCallback.virtualKeyFeedback(event); - addLocked(di, curTimeNano, ev.flags, RawInputEvent.CLASS_KEYBOARD, - event); - } - - // We always consume the event, even if we didn't - // generate a key event. There are two reasons for - // this: to avoid spurious touches when holding - // the edges of the device near the touchscreen, - // and to avoid reporting events if there are virtual - // keys on the touchscreen outside of the display - // area. - // Note that for all of this we are only looking at the - // first pointer, since what we are handling here is the - // first pointer going down, and this is the coordinate - // that will be used to dispatch the event. - if (false) { - final InputDevice.AbsoluteInfo absx = di.absX; - final InputDevice.AbsoluteInfo absy = di.absY; - final InputDevice.MotionState absm = di.mAbs; - Slog.v(TAG, "Rejecting (" - + absm.mNextData[MotionEvent.SAMPLE_X] + "," - + absm.mNextData[MotionEvent.SAMPLE_Y] + "): outside of (" - + absx.minValue + "," + absy.minValue - + ")-(" + absx.maxValue + "," - + absx.maxValue + ")"); - } - return true; - } - - private boolean monitorVirtualKey(InputDevice di, RawInputEvent ev, - long curTime, long curTimeNano) { - VirtualKey vk = mPressedVirtualKey; - if (vk == null) { - return false; - } - - final InputDevice.MotionState ms = di.mAbs; - if (ms.mNextNumPointers <= 0) { - mPressedVirtualKey = null; - ms.mLastNumPointers = 0; - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Generate key up for: " + vk.scancode); - KeyEvent event = newKeyEvent(di, di.mKeyDownTime, curTime, false, - vk.lastKeycode, 0, vk.scancode, - KeyEvent.FLAG_VIRTUAL_HARD_KEY); - mHapticFeedbackCallback.virtualKeyFeedback(event); - addLocked(di, curTimeNano, ev.flags, RawInputEvent.CLASS_KEYBOARD, - event); - return true; - - } else if (isInsideDisplay(di)) { - // Whoops the pointer has moved into - // the display area! Cancel the - // virtual key and start a pointer - // motion. - mPressedVirtualKey = null; - if (DEBUG_VIRTUAL_KEYS) Slog.v(TAG, "Cancel key up for: " + vk.scancode); - KeyEvent event = newKeyEvent(di, di.mKeyDownTime, curTime, false, - vk.lastKeycode, 0, vk.scancode, - KeyEvent.FLAG_CANCELED | KeyEvent.FLAG_VIRTUAL_HARD_KEY); - mHapticFeedbackCallback.virtualKeyFeedback(event); - addLocked(di, curTimeNano, ev.flags, RawInputEvent.CLASS_KEYBOARD, - event); - ms.mLastNumPointers = 0; - return false; - } - - return true; - } - - /** - * Returns a new meta state for the given keys and old state. - */ - private static final int makeMetaState(int keycode, boolean down, int old) { - int mask; - switch (keycode) { - case KeyEvent.KEYCODE_ALT_LEFT: - mask = KeyEvent.META_ALT_LEFT_ON; - break; - case KeyEvent.KEYCODE_ALT_RIGHT: - mask = KeyEvent.META_ALT_RIGHT_ON; - break; - case KeyEvent.KEYCODE_SHIFT_LEFT: - mask = KeyEvent.META_SHIFT_LEFT_ON; - break; - case KeyEvent.KEYCODE_SHIFT_RIGHT: - mask = KeyEvent.META_SHIFT_RIGHT_ON; - break; - case KeyEvent.KEYCODE_SYM: - mask = KeyEvent.META_SYM_ON; - break; - default: - return old; - } - int result = ~(KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON) - & (down ? (old | mask) : (old & ~mask)); - if (0 != (result & (KeyEvent.META_ALT_LEFT_ON | KeyEvent.META_ALT_RIGHT_ON))) { - result |= KeyEvent.META_ALT_ON; - } - if (0 != (result & (KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_RIGHT_ON))) { - result |= KeyEvent.META_SHIFT_ON; - } - return result; - } - - private void computeGlobalMetaStateLocked() { - int i = mDevices.size(); - mGlobalMetaState = 0; - while ((--i) >= 0) { - mGlobalMetaState |= mDevices.valueAt(i).mMetaKeysState; - } - mHaveGlobalMetaState = true; - } - - /* - * Return true if you want the event to get passed on to the - * rest of the system, and false if you've handled it and want - * it dropped. - */ - abstract boolean preprocessEvent(InputDevice device, RawInputEvent event); - - InputDevice getInputDevice(int deviceId) { - synchronized (mFirst) { - return getInputDeviceLocked(deviceId); - } - } - - private InputDevice getInputDeviceLocked(int deviceId) { - return mDevices.get(deviceId); - } - - public void setOrientation(int orientation) { - synchronized(mFirst) { - mOrientation = orientation; - switch (orientation) { - case Surface.ROTATION_90: - mKeyRotationMap = KEY_90_MAP; - break; - case Surface.ROTATION_180: - mKeyRotationMap = KEY_180_MAP; - break; - case Surface.ROTATION_270: - mKeyRotationMap = KEY_270_MAP; - break; - default: - mKeyRotationMap = null; - break; - } - } - } - - public int rotateKeyCode(int keyCode) { - synchronized(mFirst) { - return rotateKeyCodeLocked(keyCode); - } - } - - private int rotateKeyCodeLocked(int keyCode) { - int[] map = mKeyRotationMap; - if (map != null) { - final int N = map.length; - for (int i=0; i<N; i+=2) { - if (map[i] == keyCode) { - return map[i+1]; - } - } - } - return keyCode; - } - - boolean hasEvents() { - synchronized (mFirst) { - return mFirst.next != mLast; - } - } - - /* - * returns true if we returned an event, and false if we timed out - */ - QueuedEvent getEvent(long timeoutMS) { - long begin = SystemClock.uptimeMillis(); - final long end = begin+timeoutMS; - long now = begin; - synchronized (mFirst) { - while (mFirst.next == mLast && end > now) { - try { - mWakeLock.release(); - mFirst.wait(end-now); - } - catch (InterruptedException e) { - } - now = SystemClock.uptimeMillis(); - if (begin > now) { - begin = now; - } - } - if (mFirst.next == mLast) { - return null; - } - QueuedEvent p = mFirst.next; - mFirst.next = p.next; - mFirst.next.prev = mFirst; - p.inQueue = false; - return p; - } - } - - /** - * Return true if the queue has an up event pending that corresponds - * to the same key as the given key event. - */ - boolean hasKeyUpEvent(KeyEvent origEvent) { - synchronized (mFirst) { - final int keyCode = origEvent.getKeyCode(); - QueuedEvent cur = mLast.prev; - while (cur.prev != null) { - if (cur.classType == RawInputEvent.CLASS_KEYBOARD) { - KeyEvent ke = (KeyEvent)cur.event; - if (ke.getAction() == KeyEvent.ACTION_UP - && ke.getKeyCode() == keyCode) { - return true; - } - } - cur = cur.prev; - } - } - - return false; - } - - void recycleEvent(QueuedEvent ev) { - synchronized (mFirst) { - //Slog.i(TAG, "Recycle event: " + ev); - if (ev.event == ev.inputDevice.mAbs.currentMove) { - ev.inputDevice.mAbs.currentMove = null; - } - if (ev.event == ev.inputDevice.mRel.currentMove) { - if (false) Slog.i(TAG, "Detach rel " + ev.event); - ev.inputDevice.mRel.currentMove = null; - ev.inputDevice.mRel.mNextData[MotionEvent.SAMPLE_X] = 0; - ev.inputDevice.mRel.mNextData[MotionEvent.SAMPLE_Y] = 0; - } - recycleLocked(ev); - } - } - - void filterQueue(FilterCallback cb) { - synchronized (mFirst) { - QueuedEvent cur = mLast.prev; - while (cur.prev != null) { - switch (cb.filterEvent(cur)) { - case FILTER_REMOVE: - cur.prev.next = cur.next; - cur.next.prev = cur.prev; - break; - case FILTER_ABORT: - return; - } - cur = cur.prev; - } - } - } - - private QueuedEvent obtainLocked(InputDevice device, long whenNano, - int flags, int classType, Object event) { - QueuedEvent ev; - if (mCacheCount == 0) { - ev = new QueuedEvent(); - } else { - ev = mCache; - ev.inQueue = false; - mCache = ev.next; - mCacheCount--; - } - ev.inputDevice = device; - ev.whenNano = whenNano; - ev.flags = flags; - ev.classType = classType; - ev.event = event; - return ev; - } - - private void recycleLocked(QueuedEvent ev) { - if (ev.inQueue) { - throw new RuntimeException("Event already in queue!"); - } - if (mCacheCount < 10) { - mCacheCount++; - ev.next = mCache; - mCache = ev; - ev.inQueue = true; - } - } - - private void addLocked(InputDevice device, long whenNano, int flags, - int classType, Object event) { - boolean poke = mFirst.next == mLast; - - QueuedEvent ev = obtainLocked(device, whenNano, flags, classType, event); - QueuedEvent p = mLast.prev; - while (p != mFirst && ev.whenNano < p.whenNano) { - p = p.prev; - } - - ev.next = p.next; - ev.prev = p; - p.next = ev; - ev.next.prev = ev; - ev.inQueue = true; - - if (poke) { - long time; - if (MEASURE_LATENCY) { - time = System.nanoTime(); - } - mFirst.notify(); - mWakeLock.acquire(); - if (MEASURE_LATENCY) { - lt.sample("1 addLocked-queued event ", System.nanoTime() - time); - } - } - } - - private InputDevice newInputDevice(int deviceId) { - int classes = getDeviceClasses(deviceId); - String name = getDeviceName(deviceId); - InputDevice.AbsoluteInfo absX = null; - InputDevice.AbsoluteInfo absY = null; - InputDevice.AbsoluteInfo absPressure = null; - InputDevice.AbsoluteInfo absSize = null; - if (classes != 0) { - Slog.i(TAG, "Device added: id=0x" + Integer.toHexString(deviceId) - + ", name=" + name - + ", classes=" + Integer.toHexString(classes)); - if ((classes&RawInputEvent.CLASS_TOUCHSCREEN_MT) != 0) { - absX = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_MT_POSITION_X, "X"); - absY = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_MT_POSITION_Y, "Y"); - absPressure = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_MT_TOUCH_MAJOR, "Pressure"); - absSize = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_MT_WIDTH_MAJOR, "Size"); - } else if ((classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { - absX = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_X, "X"); - absY = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_Y, "Y"); - absPressure = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_PRESSURE, "Pressure"); - absSize = loadAbsoluteInfo(deviceId, - RawInputEvent.ABS_TOOL_WIDTH, "Size"); - } - } - - return new InputDevice(deviceId, classes, name, absX, absY, absPressure, absSize); - } - - private InputDevice.AbsoluteInfo loadAbsoluteInfo(int id, int channel, - String name) { - InputDevice.AbsoluteInfo info = new InputDevice.AbsoluteInfo(); - if (getAbsoluteInfo(id, channel, info) - && info.minValue != info.maxValue) { - Slog.i(TAG, " " + name + ": min=" + info.minValue - + " max=" + info.maxValue - + " flat=" + info.flat - + " fuzz=" + info.fuzz); - info.range = info.maxValue-info.minValue; - return info; - } - Slog.i(TAG, " " + name + ": unknown values"); - return null; - } - private static native boolean readEvent(RawInputEvent outEvent); - - void dump(PrintWriter pw, String prefix) { - synchronized (mFirst) { - for (int i=0; i<mDevices.size(); i++) { - InputDevice dev = mDevices.valueAt(i); - pw.print(prefix); pw.print("Device #"); - pw.print(mDevices.keyAt(i)); pw.print(" "); - pw.print(dev.name); pw.print(" (classes=0x"); - pw.print(Integer.toHexString(dev.classes)); - pw.println("):"); - pw.print(prefix); pw.print(" mKeyDownTime="); - pw.print(dev.mKeyDownTime); pw.print(" mMetaKeysState="); - pw.println(dev.mMetaKeysState); - if (dev.absX != null) { - pw.print(prefix); pw.print(" absX: "); dev.absX.dump(pw); - pw.println(""); - } - if (dev.absY != null) { - pw.print(prefix); pw.print(" absY: "); dev.absY.dump(pw); - pw.println(""); - } - if (dev.absPressure != null) { - pw.print(prefix); pw.print(" absPressure: "); - dev.absPressure.dump(pw); pw.println(""); - } - if (dev.absSize != null) { - pw.print(prefix); pw.print(" absSize: "); - dev.absSize.dump(pw); pw.println(""); - } - if (dev.mAbs.everChanged) { - pw.print(prefix); pw.println(" mAbs:"); - dev.mAbs.dump(pw, prefix + " "); - } - if (dev.mRel.everChanged) { - pw.print(prefix); pw.println(" mRel:"); - dev.mRel.dump(pw, prefix + " "); - } - } - pw.println(" "); - for (int i=0; i<mIgnoredDevices.size(); i++) { - InputDevice dev = mIgnoredDevices.valueAt(i); - pw.print(prefix); pw.print("Ignored Device #"); - pw.print(mIgnoredDevices.keyAt(i)); pw.print(" "); - pw.print(dev.name); pw.print(" (classes=0x"); - pw.print(Integer.toHexString(dev.classes)); - pw.println(")"); - } - pw.println(" "); - for (int i=0; i<mVirtualKeys.size(); i++) { - VirtualKey vk = mVirtualKeys.get(i); - pw.print(prefix); pw.print("Virtual Key #"); - pw.print(i); pw.println(":"); - pw.print(prefix); pw.print(" scancode="); pw.println(vk.scancode); - pw.print(prefix); pw.print(" centerx="); pw.print(vk.centerx); - pw.print(" centery="); pw.print(vk.centery); - pw.print(" width="); pw.print(vk.width); - pw.print(" height="); pw.println(vk.height); - pw.print(prefix); pw.print(" hitLeft="); pw.print(vk.hitLeft); - pw.print(" hitTop="); pw.print(vk.hitTop); - pw.print(" hitRight="); pw.print(vk.hitRight); - pw.print(" hitBottom="); pw.println(vk.hitBottom); - if (vk.lastDevice != null) { - pw.print(prefix); pw.print(" lastDevice=#"); - pw.println(vk.lastDevice.id); - } - if (vk.lastKeycode != 0) { - pw.print(prefix); pw.print(" lastKeycode="); - pw.println(vk.lastKeycode); - } - } - pw.println(" "); - pw.print(prefix); pw.print(" Default keyboard: "); - pw.println(SystemProperties.get("hw.keyboards.0.devname")); - pw.print(prefix); pw.print(" mGlobalMetaState="); - pw.print(mGlobalMetaState); pw.print(" mHaveGlobalMetaState="); - pw.println(mHaveGlobalMetaState); - pw.print(prefix); pw.print(" mDisplayWidth="); - pw.print(mDisplayWidth); pw.print(" mDisplayHeight="); - pw.println(mDisplayHeight); - pw.print(prefix); pw.print(" mOrientation="); - pw.println(mOrientation); - if (mPressedVirtualKey != null) { - pw.print(prefix); pw.print(" mPressedVirtualKey.scancode="); - pw.println(mPressedVirtualKey.scancode); - } - } - } -} |