/*
* Copyright (C) 2009 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.cooliris.media;
import javax.microedition.khronos.opengles.GL11;
import android.view.MotionEvent;
public abstract class Layer {
float mX = 0f;
float mY = 0f;
float mWidth = 0;
float mHeight = 0;
boolean mHidden = false;
public final float getX() {
return mX;
}
public final float getY() {
return mY;
}
public final void setPosition(float x, float y) {
mX = x;
mY = y;
}
public final float getWidth() {
return mWidth;
}
public final float getHeight() {
return mHeight;
}
public final void setSize(float width, float height) {
if (mWidth != width || mHeight != height) {
mWidth = width;
mHeight = height;
onSizeChanged();
}
}
public boolean isHidden() {
return mHidden;
}
public void setHidden(boolean hidden) {
if (mHidden != hidden) {
mHidden = hidden;
onHiddenChanged();
}
}
public abstract void generate(RenderView view, RenderView.Lists lists);
// Returns true if something is animating.
public boolean update(RenderView view, float frameInterval) {
return false;
}
public void renderOpaque(RenderView view, GL11 gl) {
}
public void renderBlended(RenderView view, GL11 gl) {
}
public boolean onTouchEvent(MotionEvent event) {
return false;
}
// Allows subclasses to further constrain the hit test defined by layer
// bounds.
public boolean containsPoint(float x, float y) {
return true;
}
protected void onSurfaceCreated(RenderView view, GL11 gl) {
}
protected void onSizeChanged() {
}
protected void onHiddenChanged() {
}
}