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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chromoting;
import android.graphics.Point;
import android.view.MotionEvent;
import org.chromium.chromoting.jni.Client;
/**
* Defines a set of behavior and methods to simulate trackpad behavior when responding to
* local input event data. This class is also responsible for forwarding input event data
* to the remote host for injection there.
*/
public class TrackpadInputStrategy implements InputStrategyInterface {
private final RenderData mRenderData;
private final Client mClient;
/** Mouse-button currently held down, or BUTTON_UNDEFINED otherwise. */
private int mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED;
public TrackpadInputStrategy(RenderData renderData, Client client) {
mRenderData = renderData;
mClient = client;
synchronized (mRenderData) {
mRenderData.drawCursor = true;
}
}
@Override
public boolean onTap(int button) {
injectMouseButtonEvent(button, true);
injectMouseButtonEvent(button, false);
return true;
}
@Override
public boolean onPressAndHold(int button) {
injectMouseButtonEvent(button, true);
mHeldButton = button;
return true;
}
@Override
public void onScroll(float distanceX, float distanceY) {
mClient.sendMouseWheelEvent((int) -distanceX, (int) -distanceY);
}
@Override
public void onMotionEvent(MotionEvent event) {
if (event.getActionMasked() == MotionEvent.ACTION_UP
&& mHeldButton != TouchInputHandlerInterface.BUTTON_UNDEFINED) {
injectMouseButtonEvent(mHeldButton, false);
mHeldButton = TouchInputHandlerInterface.BUTTON_UNDEFINED;
}
}
@Override
public void injectCursorMoveEvent(int x, int y) {
mClient.sendMouseEvent(x, y, TouchInputHandlerInterface.BUTTON_UNDEFINED, false);
}
@Override
public DesktopView.InputFeedbackType getShortPressFeedbackType() {
return DesktopView.InputFeedbackType.NONE;
}
@Override
public DesktopView.InputFeedbackType getLongPressFeedbackType() {
return DesktopView.InputFeedbackType.SMALL_ANIMATION;
}
@Override
public boolean isIndirectInputMode() {
return true;
}
private void injectMouseButtonEvent(int button, boolean pressed) {
Point cursorPosition;
synchronized (mRenderData) {
cursorPosition = mRenderData.getCursorPosition();
}
mClient.sendMouseEvent(cursorPosition.x, cursorPosition.y, button, pressed);
}
}
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