gecko/mobile/android/base/GeckoEvent.java
Chris Lord 020657935d Bug 709152 - Squash multiple viewport events in nsAppShell. r=pcwalton
We only ever want to respond to the latest viewport sent, separate the
viewport change into its own event and remove all but the latest in the queue
when processing events.
2011-12-22 11:35:32 +00:00

249 lines
8.2 KiB
Java

/* -*- Mode: Java; 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 <vladimir@pobox.com>
*
* 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.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.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";
public static final int INVALID = -1;
public static final int NATIVE_POKE = 0;
public static final int KEY_EVENT = 1;
public static final int MOTION_EVENT = 2;
public static final int ORIENTATION_EVENT = 3;
public static final int ACCELERATION_EVENT = 4;
public static final int LOCATION_EVENT = 5;
public static final int IME_EVENT = 6;
public static final int DRAW = 7;
public static final int SIZE_CHANGED = 8;
public static final int ACTIVITY_STOPPING = 9;
public static final int ACTIVITY_PAUSING = 10;
public static final int ACTIVITY_SHUTDOWN = 11;
public static final int LOAD_URI = 12;
public static final int SURFACE_CREATED = 13;
public static final int SURFACE_DESTROYED = 14;
public static final int GECKO_EVENT_SYNC = 15;
public static final int ACTIVITY_START = 17;
public static final int BROADCAST = 19;
public static final int VIEWPORT = 20;
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;
public int mType;
public int mAction;
public long mTime;
public Point mP0, mP1;
public Rect mRect;
public double mX, mY, mZ;
public double mAlpha, mBeta, mGamma;
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 int mNativeWindow;
public GeckoEvent() {
mType = NATIVE_POKE;
}
public GeckoEvent(int evType) {
mType = evType;
}
public GeckoEvent(KeyEvent k) {
mType = KEY_EVENT;
mAction = k.getAction();
mTime = k.getEventTime();
mMetaState = k.getMetaState();
mFlags = k.getFlags();
mKeyCode = k.getKeyCode();
mUnicodeChar = k.getUnicodeChar();
mCharacters = k.getCharacters();
}
public GeckoEvent(MotionEvent m) {
mType = MOTION_EVENT;
mAction = m.getAction();
mTime = m.getEventTime();
mMetaState = m.getMetaState();
mP0 = new Point((int)m.getX(0), (int)m.getY(0));
mCount = m.getPointerCount();
if (mCount > 1)
mP1 = new Point((int)m.getX(1), (int)m.getY(1));
}
public GeckoEvent(SensorEvent s) {
if (s.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
mType = ACCELERATION_EVENT;
mX = s.values[0];
mY = s.values[1];
mZ = s.values[2];
}
else {
mType = ORIENTATION_EVENT;
mAlpha = -s.values[0];
mBeta = -s.values[1];
mGamma = -s.values[2];
Log.i(LOGTAG, "SensorEvent type = " + s.sensor.getType() + " " + s.sensor.getName() + " " + mAlpha + " " + mBeta + " " + mGamma );
}
}
public GeckoEvent(Location l, Address a) {
mType = LOCATION_EVENT;
mLocation = l;
mAddress = a;
}
public GeckoEvent(int imeAction, int offset, int count) {
mType = IME_EVENT;
mAction = imeAction;
mOffset = offset;
mCount = count;
}
private void InitIMERange(int action, int offset, int count,
int rangeType, int rangeStyles,
int rangeForeColor, int rangeBackColor) {
mType = IME_EVENT;
mAction = action;
mOffset = offset;
mCount = count;
mRangeType = rangeType;
mRangeStyles = rangeStyles;
mRangeForeColor = rangeForeColor;
mRangeBackColor = rangeBackColor;
return;
}
public GeckoEvent(int offset, int count,
int rangeType, int rangeStyles,
int rangeForeColor, int rangeBackColor, String text) {
InitIMERange(IME_SET_TEXT, offset, count, rangeType, rangeStyles,
rangeForeColor, rangeBackColor);
mCharacters = text;
}
public GeckoEvent(int offset, int count,
int rangeType, int rangeStyles,
int rangeForeColor, int rangeBackColor) {
InitIMERange(IME_ADD_RANGE, offset, count, rangeType, rangeStyles,
rangeForeColor, rangeBackColor);
}
public GeckoEvent(int etype, Rect rect) {
if (etype != DRAW) {
mType = INVALID;
return;
}
mType = etype;
mRect = rect;
}
public GeckoEvent(int etype, int w, int h, int screenw, int screenh) {
if (etype != SIZE_CHANGED) {
mType = INVALID;
return;
}
mType = etype;
mP0 = new Point(w, h);
mP1 = new Point(screenw, screenh);
}
public GeckoEvent(String subject, String data) {
mType = BROADCAST;
mCharacters = subject;
mCharactersExtra = data;
}
public GeckoEvent(ViewportMetrics viewport) {
mType = VIEWPORT;
mCharacters = "Viewport:Change";
mCharactersExtra = viewport.toJSON();
}
public GeckoEvent(String uri) {
mType = LOAD_URI;
mCharacters = uri;
}
}