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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.firstrun;
import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import org.mozilla.gecko.Telemetry;
import org.mozilla.gecko.TelemetryContract;
import org.mozilla.gecko.home.HomePager.Decor;
import org.mozilla.gecko.home.TabMenuStrip;
import org.mozilla.gecko.restrictions.Restrictions;
import java.util.List;
/**
* ViewPager containing for our first run pages.
*
* @see FirstrunPanel for the first run pages that are used in this pager.
*/
public class FirstrunPager extends ViewPager {
private Context context;
protected FirstrunPanel.PagerNavigation pagerNavigation;
private Decor mDecor;
public FirstrunPager(Context context) {
this(context, null);
}
public FirstrunPager(Context context, AttributeSet attrs) {
super(context, attrs);
this.context = context;
}
@Override
public void addView(View child, int index, ViewGroup.LayoutParams params) {
if (child instanceof Decor) {
((ViewPager.LayoutParams) params).isDecor = true;
mDecor = (Decor) child;
mDecor.setOnTitleClickListener(new TabMenuStrip.OnTitleClickListener() {
@Override
public void onTitleClicked(int index) {
setCurrentItem(index, true);
}
});
}
super.addView(child, index, params);
}
public void load(Context appContext, FragmentManager fm, final FirstrunAnimationContainer.OnFinishListener onFinishListener) {
final List<FirstrunPagerConfig.FirstrunPanelConfig> panels;
if (Restrictions.isRestrictedProfile(context)) {
panels = FirstrunPagerConfig.getRestricted();
} else {
panels = FirstrunPagerConfig.getDefault(appContext);
}
setAdapter(new ViewPagerAdapter(fm, panels));
this.pagerNavigation = new FirstrunPanel.PagerNavigation() {
@Override
public void next() {
final int currentPage = FirstrunPager.this.getCurrentItem();
if (currentPage < FirstrunPager.this.getAdapter().getCount() - 1) {
FirstrunPager.this.setCurrentItem(currentPage + 1);
}
}
@Override
public void finish() {
if (onFinishListener != null) {
onFinishListener.onFinish();
}
}
};
addOnPageChangeListener(new OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
mDecor.onPageScrolled(position, positionOffset, positionOffsetPixels);
}
@Override
public void onPageSelected(int i) {
mDecor.onPageSelected(i);
Telemetry.sendUIEvent(TelemetryContract.Event.SHOW, TelemetryContract.Method.PANEL, "onboarding." + i);
}
@Override
public void onPageScrollStateChanged(int i) {}
});
animateLoad();
// Record telemetry for first onboarding panel, for baseline.
Telemetry.sendUIEvent(TelemetryContract.Event.SHOW, TelemetryContract.Method.PANEL, "onboarding.0");
}
public void cleanup() {
setAdapter(null);
}
private void animateLoad() {
setTranslationY(500);
setAlpha(0);
final Animator translateAnimator = ObjectAnimator.ofFloat(this, "translationY", 0);
translateAnimator.setDuration(400);
final Animator alphaAnimator = ObjectAnimator.ofFloat(this, "alpha", 1);
alphaAnimator.setStartDelay(200);
alphaAnimator.setDuration(600);
final AnimatorSet set = new AnimatorSet();
set.playTogether(alphaAnimator, translateAnimator);
set.setStartDelay(400);
set.start();
}
protected class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<FirstrunPagerConfig.FirstrunPanelConfig> panels;
private final Fragment[] fragments;
public ViewPagerAdapter(FragmentManager fm, List<FirstrunPagerConfig.FirstrunPanelConfig> panels) {
super(fm);
this.panels = panels;
this.fragments = new Fragment[panels.size()];
for (FirstrunPagerConfig.FirstrunPanelConfig panel : panels) {
mDecor.onAddPagerView(context.getString(panel.getTitleRes()));
}
if (panels.size() > 0) {
mDecor.onPageSelected(0);
}
}
@Override
public Fragment getItem(int i) {
Fragment fragment = this.fragments[i];
if (fragment == null) {
FirstrunPagerConfig.FirstrunPanelConfig panelConfig = panels.get(i);
fragment = Fragment.instantiate(context, panelConfig.getClassname(), panelConfig.getArgs());
((FirstrunPanel) fragment).setPagerNavigation(pagerNavigation);
fragments[i] = fragment;
}
return fragment;
}
@Override
public int getCount() {
return panels.size();
}
@Override
public CharSequence getPageTitle(int i) {
// Unused now that we use TabMenuStrip.
return context.getString(panels.get(i).getTitleRes()).toUpperCase();
}
}
}
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