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/*
* Copyright (C) 2011 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.test.tilebenchmark;
import android.app.Activity;
import android.content.Intent;
import android.content.Context;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
/**
* Interface for profiling the webview's scrolling, with simple controls on how
* to scroll, and what content to load.
*/
public class ProfileActivity extends Activity {
public interface ProfileCallback {
public void profileCallback(TileData data[][]);
}
public static final String TEMP_FILENAME = "profile.tiles";
private static final int LOAD_TEST_DELAY = 2000; // nr of millis after load,
// before test
Button mInspectButton;
Spinner mVelocitySpinner;
EditText mUrl;
ProfiledWebView mWeb;
ProfileCallback mCallback;
private class VelocitySelectedListener implements OnItemSelectedListener {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
String speedStr = parent.getItemAtPosition(position).toString();
int speedInt = Integer.parseInt(speedStr);
mWeb.setAutoScrollSpeed(speedInt);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
}
private class LoggingWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return false;
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
mUrl.setText(url);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
view.requestFocus();
new CountDownTimer(LOAD_TEST_DELAY, LOAD_TEST_DELAY) {
@Override
public void onTick(long millisUntilFinished) {
}
@Override
public void onFinish() {
mWeb.startScrollTest(mCallback);
}
}.start();
}
}
private class StoreFileTask extends
AsyncTask<Pair<String, TileData[][]>, Void, Void> {
@Override
protected Void doInBackground(Pair<String, TileData[][]>... params) {
try {
FileOutputStream fos = openFileOutput(params[0].first,
Context.MODE_PRIVATE);
ObjectOutputStream out = new ObjectOutputStream(fos);
out.writeObject(params[0].second);
out.close();
} catch (IOException ex) {
ex.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void v) {
mUrl.setBackgroundResource(R.color.finished_url);
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mInspectButton = (Button) findViewById(R.id.inspect);
mVelocitySpinner = (Spinner) findViewById(R.id.velocity);
mUrl = (EditText) findViewById(R.id.url);
mWeb = (ProfiledWebView) findViewById(R.id.web);
mCallback = new ProfileCallback() {
@SuppressWarnings("unchecked")
@Override
public void profileCallback(TileData[][] data) {
new StoreFileTask().execute(new Pair<String, TileData[][]>(TEMP_FILENAME, data));
}
};
// Inspect button (opens PlaybackActivity)
mInspectButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(ProfileActivity.this,
PlaybackActivity.class));
}
});
// Velocity spinner
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
this, R.array.velocity_array,
android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(
android.R.layout.simple_spinner_dropdown_item);
mVelocitySpinner.setAdapter(adapter);
mVelocitySpinner.setOnItemSelectedListener(
new VelocitySelectedListener());
mVelocitySpinner.setSelection(3);
// Custom profiling WebView
WebSettings settings = mWeb.getSettings();
settings.setJavaScriptEnabled(true);
settings.setSupportZoom(true);
settings.setEnableSmoothTransition(true);
settings.setBuiltInZoomControls(true);
settings.setLoadWithOverviewMode(true);
mWeb.setWebViewClient(new LoggingWebViewClient());
// URL text entry
mUrl.setOnEditorActionListener(new OnEditorActionListener() {
public boolean onEditorAction(TextView v, int actionId,
KeyEvent event) {
String url = mUrl.getText().toString();
mUrl.setBackgroundResource(R.color.unfinished_url);
mWeb.loadUrl(url);
mWeb.requestFocus();
return true;
}
});
}
public void setCallback(ProfileCallback callback) {
mCallback = callback;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWeb.canGoBack()) {
mWeb.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
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