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android: Convert InputOverlayDrawableButton to Kotlin
This commit is contained in:
Charles Lombardo
bunnei
parent
a1c57de466
commit
0177e908e9
2 changed files with 118 additions and 139 deletions
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/**
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* Copyright 2013 Dolphin Emulator Project
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* Licensed under GPLv2+
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* Refer to the license.txt file included.
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*/
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package org.yuzu.yuzu_emu.overlay;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.drawable.BitmapDrawable;
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import android.view.MotionEvent;
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import org.yuzu.yuzu_emu.NativeLibrary.ButtonState;
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/**
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* Custom {@link BitmapDrawable} that is capable
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* of storing it's own ID.
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*/
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public final class InputOverlayDrawableButton {
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// The ID value what type of button this Drawable represents.
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private int mButtonId;
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// The ID value what motion event is tracking
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private int mTrackId;
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// The drawable position on the screen
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private int mButtonPositionX, mButtonPositionY;
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private int mWidth;
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private int mHeight;
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private BitmapDrawable mDefaultStateBitmap;
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private BitmapDrawable mPressedStateBitmap;
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private boolean mPressedState = false;
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/**
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* Constructor
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*
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* @param res {@link Resources} instance.
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* @param defaultStateBitmap {@link Bitmap} to use with the default state Drawable.
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* @param pressedStateBitmap {@link Bitmap} to use with the pressed state Drawable.
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* @param buttonId Identifier for this type of button.
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*/
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public InputOverlayDrawableButton(Resources res, Bitmap defaultStateBitmap,
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Bitmap pressedStateBitmap, int buttonId) {
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mDefaultStateBitmap = new BitmapDrawable(res, defaultStateBitmap);
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mPressedStateBitmap = new BitmapDrawable(res, pressedStateBitmap);
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mButtonId = buttonId;
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mTrackId = -1;
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mWidth = mDefaultStateBitmap.getIntrinsicWidth();
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mHeight = mDefaultStateBitmap.getIntrinsicHeight();
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}
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/**
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* Updates button status based on the motion event.
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*
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* @return true if value was changed
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*/
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public boolean updateStatus(MotionEvent event) {
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int pointerIndex = event.getActionIndex();
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int xPosition = (int) event.getX(pointerIndex);
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int yPosition = (int) event.getY(pointerIndex);
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int pointerId = event.getPointerId(pointerIndex);
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int motion_event = event.getAction() & MotionEvent.ACTION_MASK;
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boolean isActionDown = motion_event == MotionEvent.ACTION_DOWN || motion_event == MotionEvent.ACTION_POINTER_DOWN;
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boolean isActionUp = motion_event == MotionEvent.ACTION_UP || motion_event == MotionEvent.ACTION_POINTER_UP;
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boolean current_state = mPressedState;
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if (isActionDown) {
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if (!getBounds().contains(xPosition, yPosition)) {
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return false;
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}
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mPressedState = true;
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mTrackId = pointerId;
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return true;
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}
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if (isActionUp) {
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if (mTrackId != pointerId) {
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return false;
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}
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mPressedState = false;
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mTrackId = -1;
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return true;
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}
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return false;
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}
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public void setPosition(int x, int y) {
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mButtonPositionX = x;
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mButtonPositionY = y;
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}
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public void draw(Canvas canvas) {
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getCurrentStateBitmapDrawable().draw(canvas);
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}
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private BitmapDrawable getCurrentStateBitmapDrawable() {
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return mPressedState ? mPressedStateBitmap : mDefaultStateBitmap;
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}
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public void setBounds(int left, int top, int right, int bottom) {
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mDefaultStateBitmap.setBounds(left, top, right, bottom);
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mPressedStateBitmap.setBounds(left, top, right, bottom);
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}
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/**
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* Gets this InputOverlayDrawableButton's button ID.
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*
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* @return this InputOverlayDrawableButton's button ID.
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*/
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public int getId() {
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return mButtonId;
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}
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public int getTrackId() {
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return mTrackId;
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}
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public int getStatus() {
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return mPressedState ? ButtonState.PRESSED : ButtonState.RELEASED;
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}
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private Rect getBounds() {
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return mDefaultStateBitmap.getBounds();
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}
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public int getWidth() {
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return mWidth;
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}
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public int getHeight() {
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return mHeight;
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}
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}
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@ -0,0 +1,118 @@
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/**
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* Copyright 2013 Dolphin Emulator Project
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* Licensed under GPLv2+
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* Refer to the license.txt file included.
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*/
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package org.yuzu.yuzu_emu.overlay
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import android.content.res.Resources
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import android.graphics.Bitmap
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import android.graphics.Canvas
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import android.graphics.Rect
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import android.graphics.drawable.BitmapDrawable
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import android.view.MotionEvent
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import org.yuzu.yuzu_emu.NativeLibrary.ButtonState
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/**
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* Custom [BitmapDrawable] that is capable
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* of storing it's own ID.
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*
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* @param res [Resources] instance.
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* @param defaultStateBitmap [Bitmap] to use with the default state Drawable.
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* @param pressedStateBitmap [Bitmap] to use with the pressed state Drawable.
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* @param buttonId Identifier for this type of button.
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*/
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class InputOverlayDrawableButton(
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res: Resources,
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defaultStateBitmap: Bitmap,
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pressedStateBitmap: Bitmap,
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buttonId: Int
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) {
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/**
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* Gets this InputOverlayDrawableButton's button ID.
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*
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* @return this InputOverlayDrawableButton's button ID.
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*/
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// The ID value what type of button this Drawable represents.
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val id: Int
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// The ID value what motion event is tracking
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var trackId: Int
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// The drawable position on the screen
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private var buttonPositionX = 0
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private var buttonPositionY = 0
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val width: Int
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val height: Int
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private val defaultStateBitmap: BitmapDrawable
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private val pressedStateBitmap: BitmapDrawable
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private var pressedState = false
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init {
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this.defaultStateBitmap = BitmapDrawable(res, defaultStateBitmap)
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this.pressedStateBitmap = BitmapDrawable(res, pressedStateBitmap)
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id = buttonId
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trackId = -1
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width = this.defaultStateBitmap.intrinsicWidth
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height = this.defaultStateBitmap.intrinsicHeight
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}
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/**
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* Updates button status based on the motion event.
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*
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* @return true if value was changed
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*/
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fun updateStatus(event: MotionEvent): Boolean {
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val pointerIndex = event.actionIndex
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val xPosition = event.getX(pointerIndex).toInt()
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val yPosition = event.getY(pointerIndex).toInt()
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val pointerId = event.getPointerId(pointerIndex)
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val motionEvent = event.action and MotionEvent.ACTION_MASK
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val isActionDown =
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motionEvent == MotionEvent.ACTION_DOWN || motionEvent == MotionEvent.ACTION_POINTER_DOWN
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val isActionUp =
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motionEvent == MotionEvent.ACTION_UP || motionEvent == MotionEvent.ACTION_POINTER_UP
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if (isActionDown) {
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if (!bounds.contains(xPosition, yPosition)) {
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return false
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}
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pressedState = true
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trackId = pointerId
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return true
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}
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if (isActionUp) {
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if (trackId != pointerId) {
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return false
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}
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pressedState = false
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trackId = -1
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return true
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}
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return false
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}
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fun setPosition(x: Int, y: Int) {
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buttonPositionX = x
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buttonPositionY = y
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}
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fun draw(canvas: Canvas?) {
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currentStateBitmapDrawable.draw(canvas!!)
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}
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private val currentStateBitmapDrawable: BitmapDrawable
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get() = if (pressedState) pressedStateBitmap else defaultStateBitmap
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fun setBounds(left: Int, top: Int, right: Int, bottom: Int) {
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defaultStateBitmap.setBounds(left, top, right, bottom)
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pressedStateBitmap.setBounds(left, top, right, bottom)
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}
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val status: Int
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get() = if (pressedState) ButtonState.PRESSED else ButtonState.RELEASED
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private val bounds: Rect
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get() = defaultStateBitmap.bounds
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}
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