/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*- * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Android code. * * The Initial Developer of the Original Code is Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2009-2010 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Vladimir Vukicevic * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ package org.mozilla.gecko; import org.mozilla.gecko.gfx.IntSize; import org.mozilla.gecko.gfx.RectUtils; import org.mozilla.gecko.gfx.ViewportMetrics; import android.os.*; import android.app.*; import android.view.*; import android.content.*; import android.graphics.*; import android.widget.*; import android.hardware.*; import android.location.*; import android.util.FloatMath; import android.util.DisplayMetrics; import android.graphics.PointF; import android.text.format.Time; import android.os.SystemClock; import java.lang.Math; import java.lang.System; import android.util.Log; /* We're not allowed to hold on to most events given to us * so we save the parts of the events we want to use in GeckoEvent. * Fields have different meanings depending on the event type. */ public class GeckoEvent { private static final String LOGTAG = "GeckoEvent"; private static final int INVALID = -1; private static final int NATIVE_POKE = 0; private static final int KEY_EVENT = 1; private static final int MOTION_EVENT = 2; private static final int SENSOR_EVENT = 3; private static final int UNUSED1_EVENT = 4; private static final int LOCATION_EVENT = 5; private static final int IME_EVENT = 6; private static final int DRAW = 7; private static final int SIZE_CHANGED = 8; private static final int ACTIVITY_STOPPING = 9; private static final int ACTIVITY_PAUSING = 10; private static final int ACTIVITY_SHUTDOWN = 11; private static final int LOAD_URI = 12; private static final int SURFACE_CREATED = 13; private static final int SURFACE_DESTROYED = 14; private static final int GECKO_EVENT_SYNC = 15; private static final int ACTIVITY_START = 17; private static final int BROADCAST = 19; private static final int VIEWPORT = 20; private static final int VISITED = 21; private static final int NETWORK_CHANGED = 22; private static final int PROXIMITY_EVENT = 23; private static final int ACTIVITY_RESUMING = 24; private static final int SCREENSHOT = 25; private static final int UNUSED2_EVENT = 26; private static final int SCREENORIENTATION_CHANGED = 27; public static final int IME_COMPOSITION_END = 0; public static final int IME_COMPOSITION_BEGIN = 1; public static final int IME_SET_TEXT = 2; public static final int IME_GET_TEXT = 3; public static final int IME_DELETE_TEXT = 4; public static final int IME_SET_SELECTION = 5; public static final int IME_GET_SELECTION = 6; public static final int IME_ADD_RANGE = 7; public static final int IME_RANGE_CARETPOSITION = 1; public static final int IME_RANGE_RAWINPUT = 2; public static final int IME_RANGE_SELECTEDRAWTEXT = 3; public static final int IME_RANGE_CONVERTEDTEXT = 4; public static final int IME_RANGE_SELECTEDCONVERTEDTEXT = 5; public static final int IME_RANGE_UNDERLINE = 1; public static final int IME_RANGE_FORECOLOR = 2; public static final int IME_RANGE_BACKCOLOR = 4; final public int mType; public int mAction; public long mTime; public Point[] mPoints; public int[] mPointIndicies; public int mPointerIndex; // index of the point that has changed public float[] mOrientations; public float[] mPressures; public Point[] mPointRadii; public Rect mRect; public double mX, mY, mZ; public double mDistance; public int mMetaState, mFlags; public int mKeyCode, mUnicodeChar; public int mOffset, mCount; public String mCharacters, mCharactersExtra; public int mRangeType, mRangeStyles; public int mRangeForeColor, mRangeBackColor; public Location mLocation; public Address mAddress; public double mBandwidth; public boolean mCanBeMetered; public int mNativeWindow; public short mScreenOrientation; private GeckoEvent(int evType) { mType = evType; } public static GeckoEvent createPauseEvent(int activityDepth) { GeckoEvent event = new GeckoEvent(ACTIVITY_PAUSING); event.mFlags = activityDepth > 0 ? 1 : 0; return event; } public static GeckoEvent createResumeEvent(int activityDepth) { GeckoEvent event = new GeckoEvent(ACTIVITY_RESUMING); event.mFlags = activityDepth > 0 ? 1 : 0; return event; } public static GeckoEvent createStoppingEvent(int activityDepth) { GeckoEvent event = new GeckoEvent(ACTIVITY_STOPPING); event.mFlags = activityDepth > 0 ? 1 : 0; return event; } public static GeckoEvent createStartEvent(int activityDepth) { GeckoEvent event = new GeckoEvent(ACTIVITY_START); event.mFlags = activityDepth > 0 ? 1 : 0; return event; } public static GeckoEvent createShutdownEvent() { return new GeckoEvent(ACTIVITY_SHUTDOWN); } public static GeckoEvent createSyncEvent() { return new GeckoEvent(GECKO_EVENT_SYNC); } public static GeckoEvent createKeyEvent(KeyEvent k) { GeckoEvent event = new GeckoEvent(KEY_EVENT); event.initKeyEvent(k); return event; } private void initKeyEvent(KeyEvent k) { mAction = k.getAction(); mTime = k.getEventTime(); mMetaState = k.getMetaState(); mFlags = k.getFlags(); mKeyCode = k.getKeyCode(); mUnicodeChar = k.getUnicodeChar(); mCharacters = k.getCharacters(); } public static GeckoEvent createMotionEvent(MotionEvent m) { GeckoEvent event = new GeckoEvent(MOTION_EVENT); event.initMotionEvent(m); return event; } private void initMotionEvent(MotionEvent m) { mAction = m.getAction(); mTime = (System.currentTimeMillis() - SystemClock.elapsedRealtime()) + m.getEventTime(); mMetaState = m.getMetaState(); switch (mAction & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: case MotionEvent.ACTION_POINTER_UP: case MotionEvent.ACTION_POINTER_DOWN: case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_MOVE: { mCount = m.getPointerCount(); mPoints = new Point[mCount]; mPointIndicies = new int[mCount]; mOrientations = new float[mCount]; mPressures = new float[mCount]; mPointRadii = new Point[mCount]; mPointerIndex = (mAction & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; for (int i = 0; i < mCount; i++) { addMotionPoint(i, i, m); } break; } default: { mCount = 0; mPointerIndex = -1; mPoints = new Point[mCount]; mPointIndicies = new int[mCount]; mOrientations = new float[mCount]; mPressures = new float[mCount]; mPointRadii = new Point[mCount]; } } } public void addMotionPoint(int index, int eventIndex, MotionEvent event) { try { PointF geckoPoint = new PointF(event.getX(eventIndex), event.getY(eventIndex)); geckoPoint = GeckoApp.mAppContext.getLayerController().convertViewPointToLayerPoint(geckoPoint); mPoints[index] = new Point(Math.round(geckoPoint.x), Math.round(geckoPoint.y)); mPointIndicies[index] = event.getPointerId(eventIndex); // getToolMajor, getToolMinor and getOrientation are API Level 9 features if (Build.VERSION.SDK_INT >= 9) { double radians = event.getOrientation(eventIndex); mOrientations[index] = (float) Math.toDegrees(radians); // w3c touchevents spec does not allow orientations == 90 // this shifts it to -90, which will be shifted to zero below if (mOrientations[index] == 90) mOrientations[index] = -90; // w3c touchevent radius are given by an orientation between 0 and 90 // the radius is found by removing the orientation and measuring the x and y // radius of the resulting ellipse // for android orientations >= 0 and < 90, the major axis should correspond to // just reporting the y radius as the major one, and x as minor // however, for a radius < 0, we have to shift the orientation by adding 90, and // reverse which radius is major and minor if (mOrientations[index] < 0) { mOrientations[index] += 90; mPointRadii[index] = new Point((int)event.getToolMajor(eventIndex)/2, (int)event.getToolMinor(eventIndex)/2); } else { mPointRadii[index] = new Point((int)event.getToolMinor(eventIndex)/2, (int)event.getToolMajor(eventIndex)/2); } } else { float size = event.getSize(eventIndex); DisplayMetrics displaymetrics = new DisplayMetrics(); GeckoApp.mAppContext.getWindowManager().getDefaultDisplay().getMetrics(displaymetrics); size = size*Math.min(displaymetrics.heightPixels, displaymetrics.widthPixels); mPointRadii[index] = new Point((int)size,(int)size); mOrientations[index] = 0; } mPressures[index] = event.getPressure(eventIndex); } catch(Exception ex) { Log.e(LOGTAG, "Error creating motion point " + index, ex); mPointRadii[index] = new Point(0, 0); mPoints[index] = new Point(0, 0); } } private static int HalSensorAccuracyFor(int androidAccuracy) { switch (androidAccuracy) { case SensorManager.SENSOR_STATUS_UNRELIABLE: return GeckoHalDefines.SENSOR_ACCURACY_UNRELIABLE; case SensorManager.SENSOR_STATUS_ACCURACY_LOW: return GeckoHalDefines.SENSOR_ACCURACY_LOW; case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM: return GeckoHalDefines.SENSOR_ACCURACY_MED; case SensorManager.SENSOR_STATUS_ACCURACY_HIGH: return GeckoHalDefines.SENSOR_ACCURACY_HIGH; } return GeckoHalDefines.SENSOR_ACCURACY_UNKNOWN; } public static GeckoEvent createSensorEvent(SensorEvent s) { int sensor_type = s.sensor.getType(); GeckoEvent event = null; switch(sensor_type) { case Sensor.TYPE_ACCELEROMETER: event = new GeckoEvent(SENSOR_EVENT); event.mFlags = GeckoHalDefines.SENSOR_ACCELERATION; event.mMetaState = HalSensorAccuracyFor(s.accuracy); event.mX = s.values[0]; event.mY = s.values[1]; event.mZ = s.values[2]; break; case 10 /* Requires API Level 9, so just use the raw value - Sensor.TYPE_LINEAR_ACCELEROMETER*/ : event = new GeckoEvent(SENSOR_EVENT); event.mFlags = GeckoHalDefines.SENSOR_LINEAR_ACCELERATION; event.mMetaState = HalSensorAccuracyFor(s.accuracy); event.mX = s.values[0]; event.mY = s.values[1]; event.mZ = s.values[2]; break; case Sensor.TYPE_ORIENTATION: event = new GeckoEvent(SENSOR_EVENT); event.mFlags = GeckoHalDefines.SENSOR_ORIENTATION; event.mMetaState = HalSensorAccuracyFor(s.accuracy); event.mX = s.values[0]; event.mY = s.values[1]; event.mZ = s.values[2]; break; case Sensor.TYPE_GYROSCOPE: event = new GeckoEvent(SENSOR_EVENT); event.mFlags = GeckoHalDefines.SENSOR_GYROSCOPE; event.mMetaState = HalSensorAccuracyFor(s.accuracy); event.mX = Math.toDegrees(s.values[0]); event.mY = Math.toDegrees(s.values[1]); event.mZ = Math.toDegrees(s.values[2]); break; case Sensor.TYPE_PROXIMITY: // bug 734854 - maybe we can get rid of this event. is // values[1] and values[2] valid? event = new GeckoEvent(PROXIMITY_EVENT); event.mDistance = s.values[0]; break; } return event; } public static GeckoEvent createLocationEvent(Location l) { GeckoEvent event = new GeckoEvent(LOCATION_EVENT); event.mLocation = l; return event; } public static GeckoEvent createIMEEvent(int imeAction, int offset, int count) { GeckoEvent event = new GeckoEvent(IME_EVENT); event.mAction = imeAction; event.mOffset = offset; event.mCount = count; return event; } private void InitIMERange(int action, int offset, int count, int rangeType, int rangeStyles, int rangeForeColor, int rangeBackColor) { mAction = action; mOffset = offset; mCount = count; mRangeType = rangeType; mRangeStyles = rangeStyles; mRangeForeColor = rangeForeColor; mRangeBackColor = rangeBackColor; return; } public static GeckoEvent createIMERangeEvent(int offset, int count, int rangeType, int rangeStyles, int rangeForeColor, int rangeBackColor, String text) { GeckoEvent event = new GeckoEvent(IME_EVENT); event.InitIMERange(IME_SET_TEXT, offset, count, rangeType, rangeStyles, rangeForeColor, rangeBackColor); event.mCharacters = text; return event; } public static GeckoEvent createIMERangeEvent(int offset, int count, int rangeType, int rangeStyles, int rangeForeColor, int rangeBackColor) { GeckoEvent event = new GeckoEvent(IME_EVENT); event.InitIMERange(IME_SET_TEXT, offset, count, rangeType, rangeStyles, rangeForeColor, rangeBackColor); return event; } public static GeckoEvent createDrawEvent(Rect rect) { GeckoEvent event = new GeckoEvent(DRAW); event.mRect = rect; return event; } public static GeckoEvent createSizeChangedEvent(int w, int h, int screenw, int screenh) { GeckoEvent event = new GeckoEvent(SIZE_CHANGED); event.mPoints = new Point[2]; event.mPoints[0] = new Point(w, h); event.mPoints[1] = new Point(screenw, screenh); return event; } public static GeckoEvent createBroadcastEvent(String subject, String data) { GeckoEvent event = new GeckoEvent(BROADCAST); event.mCharacters = subject; event.mCharactersExtra = data; return event; } public static GeckoEvent createViewportEvent(ViewportMetrics viewport, RectF displayPort) { GeckoEvent event = new GeckoEvent(VIEWPORT); event.mCharacters = "Viewport:Change"; PointF origin = viewport.getOrigin(); StringBuffer sb = new StringBuffer(256); sb.append("{ \"x\" : ").append(origin.x) .append(", \"y\" : ").append(origin.y) .append(", \"zoom\" : ").append(viewport.getZoomFactor()) .append(", \"displayPort\" :").append(RectUtils.toJSON(displayPort)) .append('}'); event.mCharactersExtra = sb.toString(); return event; } public static GeckoEvent createLoadEvent(String uri) { GeckoEvent event = new GeckoEvent(LOAD_URI); event.mCharacters = uri; return event; } public static GeckoEvent createVisitedEvent(String data) { GeckoEvent event = new GeckoEvent(VISITED); event.mCharacters = data; return event; } public static GeckoEvent createNetworkEvent(double bandwidth, boolean canBeMetered) { GeckoEvent event = new GeckoEvent(NETWORK_CHANGED); event.mBandwidth = bandwidth; event.mCanBeMetered = canBeMetered; return event; } public static GeckoEvent createScreenshotEvent(int tabId, int sw, int sh, int dw, int dh) { GeckoEvent event = new GeckoEvent(SCREENSHOT); event.mPoints = new Point[2]; event.mPoints[0] = new Point(sw, sh); event.mPoints[1] = new Point(dw, dh); event.mMetaState = tabId; return event; } public static GeckoEvent createScreenOrientationEvent(short aScreenOrientation) { GeckoEvent event = new GeckoEvent(SCREENORIENTATION_CHANGED); event.mScreenOrientation = aScreenOrientation; return event; } }