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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package org.skia.viewer;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
public class ViewerActivity
extends Activity implements SurfaceHolder.Callback, View.OnTouchListener {
private static final float FLING_VELOCITY_THRESHOLD = 1000;
private SurfaceView mView;
private ViewerApplication mApplication;
private native void onSurfaceCreated(long handle, Surface surface);
private native void onSurfaceChanged(long handle, Surface surface);
private native void onSurfaceDestroyed(long handle);
private native void onKeyPressed(long handle, int keycode);
private native void onTouched(long handle, int owner, int state, float x, float y);
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.title, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_left:
onKeyPressed(mApplication.getNativeHandle(), KeyEvent.KEYCODE_SOFT_LEFT);
return true;
case R.id.action_right:
onKeyPressed(mApplication.getNativeHandle(), KeyEvent.KEYCODE_SOFT_RIGHT);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mApplication = (ViewerApplication) getApplication();
mApplication.setViewerActivity(this);
mView = (SurfaceView) findViewById(R.id.surfaceView);
mView.getHolder().addCallback(this);
mView.setOnTouchListener(this);
}
@Override
protected void onDestroy() {
mApplication.setViewerActivity(null);
super.onDestroy();
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
if (mApplication.getNativeHandle() != 0) {
onSurfaceCreated(mApplication.getNativeHandle(), holder.getSurface());
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (mApplication.getNativeHandle() != 0) {
onSurfaceChanged(mApplication.getNativeHandle(), holder.getSurface());
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
if (mApplication.getNativeHandle() != 0) {
onSurfaceDestroyed(mApplication.getNativeHandle());
}
}
@Override
public boolean onTouch(View v, MotionEvent event) {
int count = event.getPointerCount();
for (int i = 0; i < count; i++) {
final float x = event.getX(i);
final float y = event.getY(i);
final int owner = event.getPointerId(i);
int action = event.getAction() & MotionEvent.ACTION_MASK;
onTouched(mApplication.getNativeHandle(), owner, action, x, y);
}
return true;
}
}
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