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/*
* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.gallery3d.app;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.RelativeLayout;
import org.codeaurora.gallery.R;
public class ThreeDButton implements OnClickListener {
interface Delegate {
boolean canDisplay3DButton();
void on3DButtonClicked();
}
private Delegate mDelegate;
private ViewGroup root;
private ViewGroup mContainer;
private boolean mContainerVisible = false;
private Animation mAnimIn = new AlphaAnimation(0f, 1f);
private Animation mAnimOut = new AlphaAnimation(1f, 0f);
private static final int ANIM_DURATION = 200;
public ThreeDButton(Delegate delegate, Context context, RelativeLayout layout) {
mDelegate = delegate;
root = layout;
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mContainer = (ViewGroup) inflater
.inflate(R.layout.three_d_button, root, false);
mContainer.findViewById(R.id.three_dimensional).setOnClickListener(this);
root.addView(mContainer);
mAnimIn.setDuration(ANIM_DURATION);
mAnimOut.setDuration(ANIM_DURATION);
}
@Override
public void onClick(View view) {
if (mContainer.getVisibility() == View.VISIBLE) {
mDelegate.on3DButtonClicked();
}
}
public void refresh() {
boolean visible = mDelegate.canDisplay3DButton();
if (visible != mContainerVisible) {
if (visible) {
show();
} else {
hide();
}
mContainerVisible = visible;
}
}
private void hide() {
mContainer.clearAnimation();
mAnimOut.reset();
mContainer.startAnimation(mAnimOut);
mContainer.setVisibility(View.GONE);
}
private void show() {
mContainer.clearAnimation();
mAnimIn.reset();
mContainer.startAnimation(mAnimIn);
mContainer.setVisibility(View.VISIBLE);
}
public void cleanup() {
root.removeView(mContainer);
}
}
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