mirror of
https://github.com/moparisthebest/k-9
synced 2024-08-13 17:03:48 -04:00
116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
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package com.fsck.k9.activity;
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import java.util.Locale;
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import com.fsck.k9.K9;
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import com.fsck.k9.activity.misc.SwipeGestureDetector;
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import com.fsck.k9.activity.misc.SwipeGestureDetector.OnSwipeGestureListener;
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import com.fsck.k9.helper.StringUtils;
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import android.app.Activity;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.view.GestureDetector;
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import android.view.MotionEvent;
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/**
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* This class implements functionality common to most activities used in K-9 Mail.
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*
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* @see K9Activity
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* @see K9ListActivity
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* @see K9FragmentActivity
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*/
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public class K9ActivityCommon {
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/**
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* Creates a new instance of {@link K9ActivityCommon} bound to the specified activity.
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*
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* @param activity
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* The {@link Activity} the returned {@code K9ActivityCommon} instance will be bound to.
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*
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* @return The {@link K9ActivityCommon} instance that will provide the base functionality of the
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* "K9" activities.
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*/
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public static K9ActivityCommon newInstance(Activity activity) {
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return new K9ActivityCommon(activity);
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}
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public static void setLanguage(Activity activity, String language) {
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Locale locale;
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if (StringUtils.isNullOrEmpty(language)) {
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locale = Locale.getDefault();
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} else if (language.length() == 5 && language.charAt(2) == '_') {
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// language is in the form: en_US
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locale = new Locale(language.substring(0, 2), language.substring(3));
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} else {
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locale = new Locale(language);
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}
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Configuration config = new Configuration();
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config.locale = locale;
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Resources resources = activity.getResources();
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resources.updateConfiguration(config, resources.getDisplayMetrics());
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}
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/**
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* Base activities need to implement this interface.
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*
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* <p>The implementing class simply has to call through to the implementation of these methods
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* in {@link K9ActivityCommon}.</p>
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*/
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public interface K9ActivityMagic {
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int getThemeBackgroundColor();
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void setupGestureDetector(OnSwipeGestureListener listener);
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}
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private Activity mActivity;
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private GestureDetector mGestureDetector;
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private K9ActivityCommon(Activity activity) {
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mActivity = activity;
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setLanguage(mActivity, K9.getK9Language());
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mActivity.setTheme(K9.getK9ThemeResourceId());
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}
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/**
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* Call this before calling {@code super.dispatchTouchEvent(MotionEvent)}.
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*/
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public void preDispatchTouchEvent(MotionEvent event) {
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if (mGestureDetector != null) {
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mGestureDetector.onTouchEvent(event);
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}
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}
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/**
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* Get the background color of the theme used for this activity.
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*
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* @return The background color of the current theme.
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*/
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public int getThemeBackgroundColor() {
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TypedArray array = mActivity.getTheme().obtainStyledAttributes(
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new int[] { android.R.attr.colorBackground });
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int backgroundColor = array.getColor(0, 0xFF00FF);
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array.recycle();
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return backgroundColor;
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}
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/**
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* Call this if you wish to use the swipe gesture detector.
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*
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* @param listener
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* A listener that will be notified if a left to right or right to left swipe has been
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* detected.
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*/
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public void setupGestureDetector(OnSwipeGestureListener listener) {
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mGestureDetector = new GestureDetector(mActivity,
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new SwipeGestureDetector(mActivity, listener));
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}
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}
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