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mobile/android/base/WebappAllocator.java@b8a032363ba2 (annotated)

mobile/android/base/WebappAllocator.java

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
michael@0	2	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	package org.mozilla.gecko;
michael@0	7
michael@0	8	import org.mozilla.gecko.gfx.BitmapUtils;
michael@0	9	import org.mozilla.gecko.util.ThreadUtils;
michael@0	10
michael@0	11	import android.content.Context;
michael@0	12	import android.content.SharedPreferences;
michael@0	13	import android.content.SharedPreferences.Editor;
michael@0	14	import android.graphics.Bitmap;
michael@0	15	import android.util.Log;
michael@0	16
michael@0	17	import java.util.ArrayList;
michael@0	18
michael@0	19	public class WebappAllocator {
michael@0	20	private final String LOGTAG = "GeckoWebappAllocator";
michael@0	21	// The number of Webapp# and WEBAPP# activites/apps/intents
michael@0	22	private final static int MAX_WEB_APPS = 100;
michael@0	23
michael@0	24	protected static WebappAllocator sInstance = null;
michael@0	25	public static WebappAllocator getInstance() {
michael@0	26	return getInstance(GeckoAppShell.getContext());
michael@0	27	}
michael@0	28
michael@0	29	public static synchronized WebappAllocator getInstance(Context cx) {
michael@0	30	if (sInstance == null) {
michael@0	31	sInstance = new WebappAllocator(cx);
michael@0	32	}
michael@0	33
michael@0	34	return sInstance;
michael@0	35	}
michael@0	36
michael@0	37	SharedPreferences mPrefs;
michael@0	38
michael@0	39	protected WebappAllocator(Context context) {
michael@0	40	mPrefs = context.getSharedPreferences("webapps", Context.MODE_PRIVATE | Context.MODE_MULTI_PROCESS);
michael@0	41	}
michael@0	42
michael@0	43	public static String appKey(int index) {
michael@0	44	return "app" + index;
michael@0	45	}
michael@0	46
michael@0	47	static public String iconKey(int index) {
michael@0	48	return "icon" + index;
michael@0	49	}
michael@0	50
michael@0	51	public synchronized int findAndAllocateIndex(String app, String name, String aIconData) {
michael@0	52	Bitmap icon = (aIconData != null) ? BitmapUtils.getBitmapFromDataURI(aIconData) : null;
michael@0	53	return findAndAllocateIndex(app, name, icon);
michael@0	54	}
michael@0	55
michael@0	56	public synchronized int findAndAllocateIndex(final String app, final String name, final Bitmap aIcon) {
michael@0	57	int index = getIndexForApp(app);
michael@0	58	if (index != -1)
michael@0	59	return index;
michael@0	60
michael@0	61	for (int i = 0; i < MAX_WEB_APPS; ++i) {
michael@0	62	if (!mPrefs.contains(appKey(i))) {
michael@0	63	// found unused index i
michael@0	64	updateAppAllocation(app, i, aIcon);
michael@0	65	return i;
michael@0	66	}
michael@0	67	}
michael@0	68
michael@0	69	// no more apps!
michael@0	70	return -1;
michael@0	71	}
michael@0	72
michael@0	73	public synchronized void updateAppAllocation(final String app,
michael@0	74	final int index,
michael@0	75	final Bitmap aIcon) {
michael@0	76	if (aIcon != null) {
michael@0	77	ThreadUtils.getBackgroundHandler().post(new Runnable() {
michael@0	78	@Override
michael@0	79	public void run() {
michael@0	80	int color = 0;
michael@0	81	try {
michael@0	82	color = BitmapUtils.getDominantColor(aIcon);
michael@0	83	} catch (Exception e) {
michael@0	84	Log.e(LOGTAG, "Exception during getDominantColor", e);
michael@0	85	}
michael@0	86	mPrefs.edit()
michael@0	87	.putString(appKey(index), app)
michael@0	88	.putInt(iconKey(index), color).commit();
michael@0	89	}
michael@0	90	});
michael@0	91	} else {
michael@0	92	mPrefs.edit()
michael@0	93	.putString(appKey(index), app)
michael@0	94	.putInt(iconKey(index), 0).commit();
michael@0	95	}
michael@0	96	}
michael@0	97
michael@0	98	public synchronized int getIndexForApp(String app) {
michael@0	99	for (int i = 0; i < MAX_WEB_APPS; ++i) {
michael@0	100	if (mPrefs.getString(appKey(i), "").equals(app)) {
michael@0	101	return i;
michael@0	102	}
michael@0	103	}
michael@0	104
michael@0	105	return -1;
michael@0	106	}
michael@0	107
michael@0	108	public synchronized String getAppForIndex(int index) {
michael@0	109	return mPrefs.getString(appKey(index), null);
michael@0	110	}
michael@0	111
michael@0	112	public synchronized int releaseIndexForApp(String app) {
michael@0	113	int index = getIndexForApp(app);
michael@0	114	if (index == -1)
michael@0	115	return -1;
michael@0	116
michael@0	117	releaseIndex(index);
michael@0	118	return index;
michael@0	119	}
michael@0	120
michael@0	121	public synchronized void releaseIndex(final int index) {
michael@0	122	ThreadUtils.postToBackgroundThread(new Runnable() {
michael@0	123	@Override
michael@0	124	public void run() {
michael@0	125	mPrefs.edit()
michael@0	126	.remove(appKey(index))
michael@0	127	.remove(iconKey(index))
michael@0	128	.commit();
michael@0	129	}
michael@0	130	});
michael@0	131	}
michael@0	132	}