/*
* Copyright (C) 2010 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.replica.replicaisland;
import java.util.ArrayList;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.AnimationDrawable;
import android.os.Bundle;
import android.os.SystemClock;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.replica.replicaisland.ConversationUtils.Conversation;
import com.replica.replicaisland.ConversationUtils.ConversationPage;
public class ConversationDialogActivity extends Activity {
private final static float TEXT_CHARACTER_DELAY = 0.1f;
private final static int TEXT_CHARACTER_DELAY_MS = (int)(TEXT_CHARACTER_DELAY * 1000);
private ConversationUtils.Conversation mConversation;
private ArrayList<ConversationUtils.ConversationPage> mPages;
private int mCurrentPage;
private ImageView mOkArrow;
private AnimationDrawable mOkAnimation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.conversation_dialog);
mOkArrow = (ImageView)findViewById(R.id.ok);
mOkArrow.setBackgroundResource(R.anim.ui_button);
mOkAnimation = (AnimationDrawable) mOkArrow.getBackground();
mOkArrow.setVisibility(View.INVISIBLE);
final Intent callingIntent = getIntent();
final int levelRow = callingIntent.getIntExtra("levelRow", -1);
final int levelIndex = callingIntent.getIntExtra("levelIndex", -1);
final int index = callingIntent.getIntExtra("index", -1);
final int character = callingIntent.getIntExtra("character", 1);
mPages = null;
// LevelTree.get(mLevelRow, mLevelIndex).dialogResources.character2Entry.get(index)
if (levelRow != -1 && levelIndex != -1 && index != -1) {
if (character == 1) {
mConversation = LevelTree.get(levelRow, levelIndex).dialogResources.character1Conversations.get(index);
} else {
mConversation = LevelTree.get(levelRow, levelIndex).dialogResources.character2Conversations.get(index);
}
TypewriterTextView tv = (TypewriterTextView)findViewById(R.id.typewritertext);
tv.setParentActivity(this);
} else {
// bail
finish();
}
}
private void formatPages(Conversation conversation, TextView textView) {
Paint paint = new Paint();
final int maxWidth = textView.getWidth();
final int maxHeight = textView.getHeight();
paint.setTextSize(textView.getTextSize());
paint.setTypeface(textView.getTypeface());
for (int page = conversation.pages.size() - 1; page >= 0 ; page--) {
ConversationUtils.ConversationPage currentPage = conversation.pages.get(page);
CharSequence text = currentPage.text;
// Iterate line by line through the text. Add \n if it gets too wide,
// and split into a new page if it gets too long.
int currentOffset = 0;
int textLength = text.length();
SpannableStringBuilder spannedText = new SpannableStringBuilder(text);
int lineCount = 0;
final float fontHeight = -paint.ascent() + paint.descent();
final int maxLinesPerPage = (int)(maxHeight / fontHeight);
CharSequence newline = "\n";
int addedPages = 0;
int lastPageStart = 0;
do {
int fittingChars = paint.breakText(text, currentOffset, textLength, true, maxWidth, null);
if (currentOffset + fittingChars < textLength) {
fittingChars -= 2;
// Text doesn't fit on the line. Insert a return after the last space.
int lastSpace = TextUtils.lastIndexOf(text, ' ', currentOffset + fittingChars - 1);
if (lastSpace == -1) {
// No spaces, just split at the last character.
lastSpace = currentOffset + fittingChars - 1;
}
spannedText.replace(lastSpace, lastSpace + 1, newline, 0, 1);
lineCount++;
currentOffset = lastSpace + 1;
} else {
lineCount++;
currentOffset = textLength;
}
if (lineCount >= maxLinesPerPage || currentOffset >= textLength) {
lineCount = 0;
if (addedPages == 0) {
// overwrite the original page
currentPage.text = spannedText.subSequence(lastPageStart, currentOffset);
} else {
// split into a new page
ConversationPage newPage = new ConversationPage();
newPage.imageResource = currentPage.imageResource;
newPage.text = spannedText.subSequence(lastPageStart, currentOffset);
newPage.title = currentPage.title;
conversation.pages.add(page + addedPages, newPage);
}
lastPageStart = currentOffset;
addedPages++;
}
} while (currentOffset < textLength);
}
// Holy crap we did a lot of allocation there.
Runtime.getRuntime().gc();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
TypewriterTextView tv = (TypewriterTextView)findViewById(R.id.typewritertext);
if (tv.getRemainingTime() > 0) {
tv.snapToEnd();
} else {
mCurrentPage++;
if (mCurrentPage < mPages.size()) {
showPage(mPages.get(mCurrentPage));
} else {
finish();
}
}
}
// Sleep so that the main thread doesn't get flooded with UI events.
try {
Thread.sleep(32);
} catch (InterruptedException e) {
// No big deal if this sleep is interrupted.
}
return true;
}
protected void showPage(ConversationUtils.ConversationPage page) {
TypewriterTextView tv = (TypewriterTextView)findViewById(R.id.typewritertext);
tv.setTypewriterText(page.text);
mOkArrow.setVisibility(View.INVISIBLE);
mOkAnimation.start();
tv.setOkArrow(mOkArrow);
ImageView image = (ImageView)findViewById(R.id.speaker);
if (page.imageResource != 0) {
image.setImageResource(page.imageResource);
image.setVisibility(View.VISIBLE);
} else {
image.setVisibility(View.GONE);
}
TextView title = (TextView)findViewById(R.id.speakername);
if (page.title != null) {
title.setText(page.title);
title.setVisibility(View.VISIBLE);
} else {
title.setVisibility(View.GONE);
}
}
public void processText() {
if (!mConversation.splittingComplete) {
TextView textView = (TextView)findViewById(R.id.typewritertext);
formatPages(mConversation, textView);
mConversation.splittingComplete = true;
}
if (mPages == null) {
mPages = mConversation.pages;
showPage(mPages.get(0));
mCurrentPage = 0;
}
}
public static class TypewriterTextView extends TextView {
private int mCurrentCharacter;
private long mLastTime;
private CharSequence mText;
private View mOkArrow;
private ConversationDialogActivity mParentActivity; // This really sucks.
public TypewriterTextView(Context context) {
super(context);
}
public TypewriterTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public TypewriterTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public void setParentActivity(ConversationDialogActivity parent) {
mParentActivity = parent;
}
public void setTypewriterText(CharSequence text) {
mText = text;
mCurrentCharacter = 0;
mLastTime = 0;
postInvalidate();
}
public long getRemainingTime() {
return (mText.length() - mCurrentCharacter) * TEXT_CHARACTER_DELAY_MS;
}
public void snapToEnd() {
mCurrentCharacter = mText.length() - 1;
}
public void setOkArrow(View arrow) {
mOkArrow = arrow;
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
// We need to wait until layout has occurred before we can setup the
// text page. Ugh. Bidirectional dependency!
if (mParentActivity != null) {
mParentActivity.processText();
}
super.onSizeChanged(w, h, oldw, oldh);
}
@Override
public void onDraw(Canvas canvas) {
final long time = SystemClock.uptimeMillis();
final long delta = time - mLastTime;
if (delta > TEXT_CHARACTER_DELAY_MS) {
if (mText != null) {
if (mCurrentCharacter <= mText.length()) {
CharSequence subtext = mText.subSequence(0, mCurrentCharacter);
setText(subtext, TextView.BufferType.SPANNABLE);
mCurrentCharacter++;
postInvalidateDelayed(TEXT_CHARACTER_DELAY_MS);
} else {
if (mOkArrow != null) {
mOkArrow.setVisibility(View.VISIBLE);
}
}
}
}
super.onDraw(canvas);
}
}
}