1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.test.tilebenchmark; 18 19 import android.app.Activity; 20 import android.os.AsyncTask; 21 import android.os.Bundle; 22 import android.view.GestureDetector.SimpleOnGestureListener; 23 import android.view.MotionEvent; 24 import android.view.View; 25 import android.view.View.OnClickListener; 26 import android.widget.Button; 27 import android.widget.SeekBar; 28 import android.widget.SeekBar.OnSeekBarChangeListener; 29 import android.widget.TextView; 30 import android.widget.Toast; 31 32 import java.io.FileInputStream; 33 import java.io.IOException; 34 import java.io.ObjectInputStream; 35 36 /** 37 * Interface for playing back WebView tile rendering status. Draws viewport and 38 * states of tiles and statistics for off-line analysis. 39 */ 40 public class PlaybackActivity extends Activity { 41 private static final float SCROLL_SCALER = 0.125f; 42 43 PlaybackView mPlaybackView; 44 SeekBar mSeekBar; 45 Button mForward; 46 Button mBackward; 47 TextView mFrameDisplay; 48 49 private int mFrame = -1; 50 private int mFrameMax; 51 52 private class TouchFrameChangeListener extends SimpleOnGestureListener { 53 float mDist = 0; 54 55 @Override onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)56 public boolean onScroll(MotionEvent e1, MotionEvent e2, 57 float distanceX, float distanceY) { 58 // aggregate scrolls so that small ones can add up 59 mDist += distanceY * SCROLL_SCALER; 60 int intComponent = (int) Math.floor(Math.abs(mDist)); 61 if (intComponent >= 1) { 62 int scrollDist = (mDist > 0) ? intComponent : -intComponent; 63 setFrame(null, mFrame + scrollDist); 64 mDist -= scrollDist; 65 } 66 return super.onScroll(e1, e2, distanceX, distanceY); 67 } 68 }; 69 70 private class SeekFrameChangeListener implements OnSeekBarChangeListener { 71 @Override onStopTrackingTouch(SeekBar seekBar)72 public void onStopTrackingTouch(SeekBar seekBar) { 73 } 74 75 @Override onStartTrackingTouch(SeekBar seekBar)76 public void onStartTrackingTouch(SeekBar seekBar) { 77 } 78 79 @Override onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)80 public void onProgressChanged(SeekBar seekBar, int progress, 81 boolean fromUser) { 82 setFrame(seekBar, progress); 83 } 84 }; 85 86 private class LoadFileTask extends AsyncTask<String, Void, RunData> { 87 @Override doInBackground(String... params)88 protected RunData doInBackground(String... params) { 89 RunData data = null; 90 try { 91 FileInputStream fis = openFileInput(params[0]); 92 ObjectInputStream in = new ObjectInputStream(fis); 93 data = (RunData) in.readObject(); 94 in.close(); 95 } catch (IOException ex) { 96 ex.printStackTrace(); 97 } catch (ClassNotFoundException ex) { 98 ex.printStackTrace(); 99 } 100 return data; 101 } 102 103 @Override onPostExecute(RunData data)104 protected void onPostExecute(RunData data) { 105 if (data == null) { 106 Toast.makeText(getApplicationContext(), 107 getResources().getString(R.string.error_no_data), 108 Toast.LENGTH_LONG).show(); 109 return; 110 } 111 mPlaybackView.setData(data); 112 113 mFrameMax = data.frames.length - 1; 114 mSeekBar.setMax(mFrameMax); 115 116 setFrame(null, 0); 117 } 118 } 119 setFrame(View changer, int f)120 private void setFrame(View changer, int f) { 121 if (f < 0) { 122 f = 0; 123 } else if (f > mFrameMax) { 124 f = mFrameMax; 125 } 126 127 if (mFrame == f) { 128 return; 129 } 130 131 mFrame = f; 132 mForward.setEnabled(mFrame != mFrameMax); 133 mBackward.setEnabled(mFrame != 0); 134 if (changer != mSeekBar) { 135 mSeekBar.setProgress(mFrame); 136 } 137 mFrameDisplay.setText(Integer.toString(mFrame)); 138 mPlaybackView.setFrame(mFrame); 139 }; 140 141 /** Called when the activity is first created. */ 142 @Override onCreate(Bundle savedInstanceState)143 public void onCreate(Bundle savedInstanceState) { 144 super.onCreate(savedInstanceState); 145 setContentView(R.layout.playback); 146 147 mPlaybackView = (PlaybackView) findViewById(R.id.playback); 148 mSeekBar = (SeekBar) findViewById(R.id.seek_bar); 149 mForward = (Button) findViewById(R.id.forward); 150 mBackward = (Button) findViewById(R.id.backward); 151 mFrameDisplay = (TextView) findViewById(R.id.frame_display); 152 153 mForward.setOnClickListener(new OnClickListener() { 154 @Override 155 public void onClick(View v) { 156 setFrame(v, mFrame + 1); 157 } 158 }); 159 160 mBackward.setOnClickListener(new OnClickListener() { 161 @Override 162 public void onClick(View v) { 163 setFrame(v, mFrame - 1); 164 } 165 }); 166 167 mSeekBar.setOnSeekBarChangeListener(new SeekFrameChangeListener()); 168 169 mPlaybackView.setOnGestureListener(new TouchFrameChangeListener()); 170 171 new LoadFileTask().execute(ProfileActivity.TEMP_FILENAME); 172 } 173 } 174