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/*
* 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.dumprendertree;
import android.os.SystemClock;
import android.util.*;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.webkit.WebView;
import java.util.Arrays;
import java.util.Vector;
public class WebViewEventSender implements EventSender {
private static final String LOGTAG = "WebViewEventSender";
WebViewEventSender(WebView webView) {
mWebView = webView;
mWebView.getSettings().setBuiltInZoomControls(true);
mTouchPoints = new Vector<TouchPoint>();
}
public void resetMouse() {
mouseX = mouseY = 0;
}
public void enableDOMUIEventLogging(int DOMNode) {
// TODO Auto-generated method stub
}
public void fireKeyboardEventsToElement(int DOMNode) {
// TODO Auto-generated method stub
}
public void keyDown(String character, String[] withModifiers) {
Log.e("EventSender", "KeyDown: " + character + "("
+ character.getBytes()[0] + ") Modifiers: "
+ Arrays.toString(withModifiers));
KeyEvent modifier = null;
if (withModifiers != null && withModifiers.length > 0) {
for (int i = 0; i < withModifiers.length; i++) {
int keyCode = modifierMapper(withModifiers[i]);
modifier = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
mWebView.onKeyDown(modifier.getKeyCode(), modifier);
}
}
int keyCode = keyMapper(character.toLowerCase().toCharArray()[0]);
KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
mWebView.onKeyDown(event.getKeyCode(), event);
}
public void keyDown(String character) {
keyDown(character, null);
}
public void leapForward(int milliseconds) {
// TODO Auto-generated method stub
}
public void mouseClick() {
mouseDown();
mouseUp();
}
public void mouseDown() {
long ts = SystemClock.uptimeMillis();
MotionEvent event = MotionEvent.obtain(ts, ts, MotionEvent.ACTION_DOWN, mouseX, mouseY, 0);
mWebView.onTouchEvent(event);
}
public void mouseMoveTo(int X, int Y) {
mouseX= X;
mouseY= Y;
}
public void mouseUp() {
long ts = SystemClock.uptimeMillis();
MotionEvent event = MotionEvent.obtain(ts, ts, MotionEvent.ACTION_UP, mouseX, mouseY, 0);
mWebView.onTouchEvent(event);
}
// Assumes lowercase chars, case needs to be
// handled by calling function.
static int keyMapper(char c) {
// handle numbers
if (c >= '0' && c<= '9') {
int offset = c - '0';
return KeyEvent.KEYCODE_0 + offset;
}
// handle characters
if (c >= 'a' && c <= 'z') {
int offset = c - 'a';
return KeyEvent.KEYCODE_A + offset;
}
// handle all others
switch (c) {
case '*':
return KeyEvent.KEYCODE_STAR;
case '#':
return KeyEvent.KEYCODE_POUND;
case ',':
return KeyEvent.KEYCODE_COMMA;
case '.':
return KeyEvent.KEYCODE_PERIOD;
case '\t':
return KeyEvent.KEYCODE_TAB;
case ' ':
return KeyEvent.KEYCODE_SPACE;
case '\n':
return KeyEvent.KEYCODE_ENTER;
case '\b':
case 0x7F:
return KeyEvent.KEYCODE_DEL;
case '~':
return KeyEvent.KEYCODE_GRAVE;
case '-':
return KeyEvent.KEYCODE_MINUS;
case '=':
return KeyEvent.KEYCODE_EQUALS;
case '(':
return KeyEvent.KEYCODE_LEFT_BRACKET;
case ')':
return KeyEvent.KEYCODE_RIGHT_BRACKET;
case '\\':
return KeyEvent.KEYCODE_BACKSLASH;
case ';':
return KeyEvent.KEYCODE_SEMICOLON;
case '\'':
return KeyEvent.KEYCODE_APOSTROPHE;
case '/':
return KeyEvent.KEYCODE_SLASH;
default:
break;
}
return c;
}
static int modifierMapper(String modifier) {
if (modifier.equals("ctrlKey")) {
return KeyEvent.KEYCODE_ALT_LEFT;
} else if (modifier.equals("shiftKey")) {
return KeyEvent.KEYCODE_SHIFT_LEFT;
} else if (modifier.equals("altKey")) {
return KeyEvent.KEYCODE_SYM;
} else if (modifier.equals("metaKey")) {
return KeyEvent.KEYCODE_UNKNOWN;
}
return KeyEvent.KEYCODE_UNKNOWN;
}
public void touchStart() {
final int numPoints = mTouchPoints.size();
if (numPoints == 0) {
return;
}
int[] pointerIds = new int[numPoints];
MotionEvent.PointerCoords[] pointerCoords = new MotionEvent.PointerCoords[numPoints];
long downTime = SystemClock.uptimeMillis();
for (int i = 0; i < numPoints; ++i) {
pointerIds[i] = mTouchPoints.get(i).getId();
pointerCoords[i] = new MotionEvent.PointerCoords();
pointerCoords[i].x = mTouchPoints.get(i).getX();
pointerCoords[i].y = mTouchPoints.get(i).getY();
mTouchPoints.get(i).setDownTime(downTime);
}
MotionEvent event = MotionEvent.obtain(downTime, downTime,
MotionEvent.ACTION_DOWN, numPoints, pointerIds, pointerCoords,
mTouchMetaState, 1.0f, 1.0f, 0, 0, 0, 0);
mWebView.onTouchEvent(event);
}
public void touchMove() {
final int numPoints = mTouchPoints.size();
if (numPoints == 0) {
return;
}
int[] pointerIds = new int[numPoints];
MotionEvent.PointerCoords[] pointerCoords = new MotionEvent.PointerCoords[numPoints];
int numMovedPoints = 0;
for (int i = 0; i < numPoints; ++i) {
TouchPoint tp = mTouchPoints.get(i);
if (tp.hasMoved()) {
pointerIds[numMovedPoints] = mTouchPoints.get(i).getId();
pointerCoords[i] = new MotionEvent.PointerCoords();
pointerCoords[numMovedPoints].x = mTouchPoints.get(i).getX();
pointerCoords[numMovedPoints].y = mTouchPoints.get(i).getY();
++numMovedPoints;
tp.setMoved(false);
}
}
if (numMovedPoints == 0) {
return;
}
MotionEvent event = MotionEvent.obtain(mTouchPoints.get(0).downTime(),
SystemClock.uptimeMillis(), MotionEvent.ACTION_MOVE,
numMovedPoints, pointerIds, pointerCoords,
mTouchMetaState, 1.0f, 1.0f, 0, 0, 0, 0);
mWebView.onTouchEvent(event);
}
public void touchEnd() {
final int numPoints = mTouchPoints.size();
if (numPoints == 0) {
return;
}
int[] pointerIds = new int[numPoints];
MotionEvent.PointerCoords[] pointerCoords = new MotionEvent.PointerCoords[numPoints];
for (int i = 0; i < numPoints; ++i) {
pointerIds[i] = mTouchPoints.get(i).getId();
pointerCoords[i] = new MotionEvent.PointerCoords();
pointerCoords[i].x = mTouchPoints.get(i).getX();
pointerCoords[i].y = mTouchPoints.get(i).getY();
}
MotionEvent event = MotionEvent.obtain(mTouchPoints.get(0).downTime(),
SystemClock.uptimeMillis(), MotionEvent.ACTION_UP,
numPoints, pointerIds, pointerCoords,
mTouchMetaState, 1.0f, 1.0f, 0, 0, 0, 0);
mWebView.onTouchEvent(event);
for (int i = numPoints - 1; i >= 0; --i) { // remove released points.
TouchPoint tp = mTouchPoints.get(i);
if (tp.isReleased()) {
mTouchPoints.remove(i);
}
}
}
public void touchCancel() {
final int numPoints = mTouchPoints.size();
if (numPoints == 0) {
return;
}
int[] pointerIds = new int[numPoints];
MotionEvent.PointerCoords[] pointerCoords = new MotionEvent.PointerCoords[numPoints];
long cancelTime = SystemClock.uptimeMillis();
int numCanceledPoints = 0;
for (int i = 0; i < numPoints; ++i) {
TouchPoint tp = mTouchPoints.get(i);
if (tp.cancelled()) {
pointerIds[numCanceledPoints] = mTouchPoints.get(i).getId();
pointerCoords[numCanceledPoints] = new MotionEvent.PointerCoords();
pointerCoords[numCanceledPoints].x = mTouchPoints.get(i).getX();
pointerCoords[numCanceledPoints].y = mTouchPoints.get(i).getY();
++numCanceledPoints;
}
}
if (numCanceledPoints == 0) {
return;
}
MotionEvent event = MotionEvent.obtain(mTouchPoints.get(0).downTime(),
SystemClock.uptimeMillis(), MotionEvent.ACTION_CANCEL,
numCanceledPoints, pointerIds, pointerCoords,
mTouchMetaState, 1.0f, 1.0f, 0, 0, 0, 0);
mWebView.onTouchEvent(event);
}
public void cancelTouchPoint(int id) {
TouchPoint tp = mTouchPoints.get(id);
if (tp == null) {
return;
}
tp.cancel();
}
public void addTouchPoint(int x, int y) {
final int numPoints = mTouchPoints.size();
int id;
if (numPoints == 0) {
id = 0;
} else {
id = mTouchPoints.get(numPoints - 1).getId() + 1;
}
mTouchPoints.add(new TouchPoint(id, contentsToWindowX(x), contentsToWindowY(y)));
}
public void updateTouchPoint(int i, int x, int y) {
TouchPoint tp = mTouchPoints.get(i);
if (tp == null) {
return;
}
tp.update(contentsToWindowX(x), contentsToWindowY(y));
tp.setMoved(true);
}
public void setTouchModifier(String modifier, boolean enabled) {
int mask = 0;
if ("alt".equals(modifier.toLowerCase())) {
mask = KeyEvent.META_ALT_ON;
} else if ("shift".equals(modifier.toLowerCase())) {
mask = KeyEvent.META_SHIFT_ON;
} else if ("ctrl".equals(modifier.toLowerCase())) {
mask = KeyEvent.META_SYM_ON;
}
if (enabled) {
mTouchMetaState |= mask;
} else {
mTouchMetaState &= ~mask;
}
}
public void releaseTouchPoint(int id) {
TouchPoint tp = mTouchPoints.get(id);
if (tp == null) {
return;
}
tp.release();
}
public void clearTouchPoints() {
mTouchPoints.clear();
}
public void clearTouchMetaState() {
mTouchMetaState = 0;
}
private int contentsToWindowX(int x) {
return Math.round(x * mWebView.getScale()) - mWebView.getScrollX();
}
private int contentsToWindowY(int y) {
return Math.round(y * mWebView.getScale()) - mWebView.getScrollY();
}
private WebView mWebView = null;
private int mouseX;
private int mouseY;
private class TouchPoint {
private int mId;
private int mX;
private int mY;
private long mDownTime;
private boolean mReleased;
private boolean mMoved;
private boolean mCancelled;
public TouchPoint(int id, int x, int y) {
mId = id;
mX = x;
mY = y;
mReleased = false;
mMoved = false;
mCancelled = false;
}
public void setDownTime(long downTime) { mDownTime = downTime; }
public long downTime() { return mDownTime; }
public void cancel() { mCancelled = true; }
public boolean cancelled() { return mCancelled; }
public void release() { mReleased = true; }
public boolean isReleased() { return mReleased; }
public void setMoved(boolean moved) { mMoved = moved; }
public boolean hasMoved() { return mMoved; }
public int getId() { return mId; }
public int getX() { return mX; }
public int getY() { return mY; }
public void update(int x, int y) {
mX = x;
mY = y;
}
}
private Vector<TouchPoint> mTouchPoints;
private int mTouchMetaState;
}