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/**
* Copyright 2013 Dolphin Emulator Project
* Licensed under GPLv2+
* Refer to the license.txt file included.
*/
package org.yuzu.yuzu_emu.overlay;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.view.MotionEvent;
/**
* Custom {@link BitmapDrawable} that is capable
* of storing it's own ID.
*/
public final class InputOverlayDrawableButton {
// The ID identifying what type of button this Drawable represents.
private int mButtonType;
private int mTrackId;
private int mPreviousTouchX, mPreviousTouchY;
private int mControlPositionX, mControlPositionY;
private int mWidth;
private int mHeight;
private BitmapDrawable mDefaultStateBitmap;
private BitmapDrawable mPressedStateBitmap;
private boolean mPressedState = false;
/**
* Constructor
*
* @param res {@link Resources} instance.
* @param defaultStateBitmap {@link Bitmap} to use with the default state Drawable.
* @param pressedStateBitmap {@link Bitmap} to use with the pressed state Drawable.
* @param buttonType Identifier for this type of button.
*/
public InputOverlayDrawableButton(Resources res, Bitmap defaultStateBitmap,
Bitmap pressedStateBitmap, int buttonType) {
mDefaultStateBitmap = new BitmapDrawable(res, defaultStateBitmap);
mPressedStateBitmap = new BitmapDrawable(res, pressedStateBitmap);
mButtonType = buttonType;
mWidth = mDefaultStateBitmap.getIntrinsicWidth();
mHeight = mDefaultStateBitmap.getIntrinsicHeight();
}
/**
* Gets this InputOverlayDrawableButton's button ID.
*
* @return this InputOverlayDrawableButton's button ID.
*/
public int getId() {
return mButtonType;
}
public int getTrackId() {
return mTrackId;
}
public void setTrackId(int trackId) {
mTrackId = trackId;
}
public boolean onConfigureTouch(MotionEvent event) {
int pointerIndex = event.getActionIndex();
int fingerPositionX = (int) event.getX(pointerIndex);
int fingerPositionY = (int) event.getY(pointerIndex);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mPreviousTouchX = fingerPositionX;
mPreviousTouchY = fingerPositionY;
break;
case MotionEvent.ACTION_MOVE:
mControlPositionX += fingerPositionX - mPreviousTouchX;
mControlPositionY += fingerPositionY - mPreviousTouchY;
setBounds(mControlPositionX, mControlPositionY, getWidth() + mControlPositionX,
getHeight() + mControlPositionY);
mPreviousTouchX = fingerPositionX;
mPreviousTouchY = fingerPositionY;
break;
}
return true;
}
public void setPosition(int x, int y) {
mControlPositionX = x;
mControlPositionY = y;
}
public void draw(Canvas canvas) {
getCurrentStateBitmapDrawable().draw(canvas);
}
private BitmapDrawable getCurrentStateBitmapDrawable() {
return mPressedState ? mPressedStateBitmap : mDefaultStateBitmap;
}
public void setBounds(int left, int top, int right, int bottom) {
mDefaultStateBitmap.setBounds(left, top, right, bottom);
mPressedStateBitmap.setBounds(left, top, right, bottom);
}
public Rect getBounds() {
return mDefaultStateBitmap.getBounds();
}
public int getWidth() {
return mWidth;
}
public int getHeight() {
return mHeight;
}
public void setPressedState(boolean isPressed) {
mPressedState = isPressed;
}
}
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