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/*
* Copyright (C) 2008-2009 Google Inc.
*
* 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.android.inputmethod.latin;
import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.text.Layout;
import android.text.SpannableStringBuilder;
import android.text.StaticLayout;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.PopupWindow;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
public class Tutorial implements OnTouchListener {
private List<Bubble> mBubbles = new ArrayList<Bubble>();
private long mStartTime;
private static final long MINIMUM_TIME = 6000;
private static final long MAXIMUM_TIME = 20000;
private View mInputView;
private LatinIME mIme;
private int[] mLocation = new int[2];
private int mBubblePointerOffset;
private static final int MSG_SHOW_BUBBLE = 0;
private int mBubbleIndex;
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_SHOW_BUBBLE:
Bubble bubba = (Bubble) msg.obj;
bubba.show(mLocation[0], mLocation[1]);
break;
}
}
};
class Bubble {
Drawable bubbleBackground;
int x;
int y;
int width;
int gravity;
CharSequence text;
boolean dismissOnTouch;
boolean dismissOnClose;
PopupWindow window;
TextView textView;
View inputView;
Bubble(Context context, View inputView,
int backgroundResource, int bx, int by, int textResource1, int textResource2) {
bubbleBackground = context.getResources().getDrawable(backgroundResource);
x = bx;
y = by;
width = (int) (inputView.getWidth() * 0.9);
this.gravity = Gravity.TOP | Gravity.LEFT;
text = new SpannableStringBuilder()
.append(context.getResources().getText(textResource1))
.append("\n")
.append(context.getResources().getText(textResource2));
this.dismissOnTouch = true;
this.dismissOnClose = false;
this.inputView = inputView;
window = new PopupWindow(context);
window.setBackgroundDrawable(null);
LayoutInflater inflate =
(LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
textView = (TextView) inflate.inflate(R.layout.bubble_text, null);
textView.setBackgroundDrawable(bubbleBackground);
textView.setText(text);
//textView.setText(textResource1);
window.setContentView(textView);
window.setFocusable(false);
window.setTouchable(true);
window.setOutsideTouchable(false);
}
private int chooseSize(PopupWindow pop, View parentView, CharSequence text, TextView tv) {
int wid = tv.getPaddingLeft() + tv.getPaddingRight();
int ht = tv.getPaddingTop() + tv.getPaddingBottom();
/*
* Figure out how big the text would be if we laid it out to the
* full width of this view minus the border.
*/
int cap = width - wid;
Layout l = new StaticLayout(text, tv.getPaint(), cap,
Layout.Alignment.ALIGN_NORMAL, 1, 0, true);
float max = 0;
for (int i = 0; i < l.getLineCount(); i++) {
max = Math.max(max, l.getLineWidth(i));
}
/*
* Now set the popup size to be big enough for the text plus the border.
*/
pop.setWidth(width);
pop.setHeight(ht + l.getHeight());
return l.getHeight();
}
void show(int offx, int offy) {
int textHeight = chooseSize(window, inputView, text, textView);
offy -= textView.getPaddingTop() + textHeight;
if (inputView.getVisibility() == View.VISIBLE
&& inputView.getWindowVisibility() == View.VISIBLE) {
try {
if ((gravity & Gravity.BOTTOM) == Gravity.BOTTOM) offy -= window.getHeight();
if ((gravity & Gravity.RIGHT) == Gravity.RIGHT) offx -= window.getWidth();
textView.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View view, MotionEvent me) {
Tutorial.this.next();
return true;
}
});
window.showAtLocation(inputView, Gravity.NO_GRAVITY, x + offx, y + offy);
} catch (Exception e) {
// Input view is not valid
}
}
}
void hide() {
if (window.isShowing()) {
textView.setOnTouchListener(null);
window.dismiss();
}
}
boolean isShowing() {
return window.isShowing();
}
}
public Tutorial(LatinIME ime, LatinKeyboardView inputView) {
Context context = inputView.getContext();
mIme = ime;
int inputWidth = inputView.getWidth();
final int x = inputWidth / 20; // Half of 1/10th
mBubblePointerOffset = inputView.getContext().getResources()
.getDimensionPixelOffset(R.dimen.bubble_pointer_offset);
Bubble bWelcome = new Bubble(context, inputView,
R.drawable.dialog_bubble_step02, x, 0,
R.string.tip_to_open_keyboard, R.string.touch_to_continue);
mBubbles.add(bWelcome);
Bubble bAccents = new Bubble(context, inputView,
R.drawable.dialog_bubble_step02, x, 0,
R.string.tip_to_view_accents, R.string.touch_to_continue);
mBubbles.add(bAccents);
Bubble b123 = new Bubble(context, inputView,
R.drawable.dialog_bubble_step07, x, 0,
R.string.tip_to_open_symbols, R.string.touch_to_continue);
mBubbles.add(b123);
Bubble bABC = new Bubble(context, inputView,
R.drawable.dialog_bubble_step07, x, 0,
R.string.tip_to_close_symbols, R.string.touch_to_continue);
mBubbles.add(bABC);
Bubble bSettings = new Bubble(context, inputView,
R.drawable.dialog_bubble_step07, x, 0,
R.string.tip_to_launch_settings, R.string.touch_to_continue);
mBubbles.add(bSettings);
Bubble bDone = new Bubble(context, inputView,
R.drawable.dialog_bubble_step02, x, 0,
R.string.tip_to_start_typing, R.string.touch_to_finish);
mBubbles.add(bDone);
mInputView = inputView;
}
void start() {
mInputView.getLocationInWindow(mLocation);
mBubbleIndex = -1;
mInputView.setOnTouchListener(this);
next();
}
boolean next() {
if (mBubbleIndex >= 0) {
// If the bubble is not yet showing, don't move to the next.
if (!mBubbles.get(mBubbleIndex).isShowing()) {
return true;
}
// Hide all previous bubbles as well, as they may have had a delayed show
for (int i = 0; i <= mBubbleIndex; i++) {
mBubbles.get(i).hide();
}
}
mBubbleIndex++;
if (mBubbleIndex >= mBubbles.size()) {
mInputView.setOnTouchListener(null);
mIme.sendDownUpKeyEvents(-1); // Inform the setupwizard that tutorial is in last bubble
mIme.tutorialDone();
return false;
}
if (mBubbleIndex == 3 || mBubbleIndex == 4) {
mIme.mKeyboardSwitcher.toggleSymbols();
}
mHandler.sendMessageDelayed(
mHandler.obtainMessage(MSG_SHOW_BUBBLE, mBubbles.get(mBubbleIndex)), 500);
return true;
}
void hide() {
for (int i = 0; i < mBubbles.size(); i++) {
mBubbles.get(i).hide();
}
mInputView.setOnTouchListener(null);
}
boolean close() {
mHandler.removeMessages(MSG_SHOW_BUBBLE);
hide();
return true;
}
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
next();
}
return true;
}
}
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