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-rw-r--r--java/com/android/dialer/lookup/LookupCache.java303
1 files changed, 303 insertions, 0 deletions
diff --git a/java/com/android/dialer/lookup/LookupCache.java b/java/com/android/dialer/lookup/LookupCache.java
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+++ b/java/com/android/dialer/lookup/LookupCache.java
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+/*
+ * Copyright (C) 2014 Xiao-Long Chen <chenxiaolong@cxl.epac.to>
+ *
+ * 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.dialer.lookup;
+
+import com.android.dialer.phonenumbercache.ContactInfo;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.provider.ContactsContract.Contacts;
+import android.telephony.PhoneNumberUtils;
+import android.telephony.TelephonyManager;
+import android.util.JsonReader;
+import android.util.JsonWriter;
+import android.util.Log;
+
+import com.android.dialer.util.DialerUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+public class LookupCache {
+ private static final String TAG = LookupCache.class.getSimpleName();
+
+ public static final String NAME = "Name";
+ public static final String TYPE = "Type";
+ public static final String LABEL = "Label";
+ public static final String NUMBER = "Number";
+ public static final String FORMATTED_NUMBER = "FormattedNumber";
+ public static final String NORMALIZED_NUMBER = "NormalizedNumber";
+ public static final String PHOTO_ID = "PhotoID";
+ //public static final String PHOTO_URI = "PhotoURI";
+ public static final String LOOKUP_URI = "LookupURI";
+
+ public static boolean hasCachedContact(Context context, String number) {
+ String normalizedNumber = formatE164(context, number);
+
+ if (normalizedNumber == null) {
+ return false;
+ }
+
+ File file = getFilePath(context, normalizedNumber);
+ return file.exists();
+ }
+
+ public static void cacheContact(Context context, ContactInfo info) {
+ File file = getFilePath(context, info.normalizedNumber);
+
+ if (file.exists()) {
+ file.delete();
+ }
+
+ FileOutputStream out = null;
+ JsonWriter writer = null;
+
+ try {
+ out = new FileOutputStream(file);
+ writer = new JsonWriter(new OutputStreamWriter(out, "UTF-8"));
+ writer.setIndent(" ");
+ List messages = new ArrayList();
+
+ writer.beginObject();
+ if (info.name != null) writer.name(NAME).value(info.name);
+ writer.name(TYPE).value(info.type);
+ if (info.label != null) writer.name(LABEL).value(info.label);
+ if (info.number != null) writer.name(NUMBER).value(info.number);
+ if (info.formattedNumber != null) {
+ writer.name(FORMATTED_NUMBER).value(info.formattedNumber);
+ }
+ if (info.normalizedNumber != null) {
+ writer.name(NORMALIZED_NUMBER).value(info.normalizedNumber);
+ }
+ writer.name(PHOTO_ID).value(info.photoId);
+
+ if (info.lookupUri != null) {
+ writer.name(LOOKUP_URI).value(info.lookupUri.toString());
+ }
+
+ // We do not save the photo URI. If there's a cached image, that
+ // will be used when the contact is retrieved. Otherwise, photoUri
+ // will be set to null.
+
+ writer.endObject();
+ } catch (IOException e) {
+ e.printStackTrace();
+ } finally {
+ DialerUtils.closeQuietly(writer);
+ DialerUtils.closeQuietly(out);
+ }
+ }
+
+ public static ContactInfo getCachedContact(Context context, String number) {
+ String normalizedNumber = formatE164(context, number);
+
+ if (normalizedNumber == null) {
+ return null;
+ }
+
+ File file = getFilePath(context, normalizedNumber);
+ if (!file.exists()) {
+ // Whatever is calling this should probably check anyway
+ return null;
+ }
+
+ ContactInfo info = new ContactInfo();
+
+ FileInputStream in = null;
+ JsonReader reader = null;
+
+ try {
+ in = new FileInputStream(file);
+ reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
+
+ reader.beginObject();
+ while (reader.hasNext()) {
+ String name = reader.nextName();
+
+ if (NAME.equals(name)) {
+ info.name = reader.nextString();
+ } else if (TYPE.equals(name)) {
+ info.type = reader.nextInt();
+ } else if (LABEL.equals(name)) {
+ info.label = reader.nextString();
+ } else if (NUMBER.equals(name)) {
+ info.number = reader.nextString();
+ } else if (FORMATTED_NUMBER.equals(name)) {
+ info.formattedNumber = reader.nextString();
+ } else if (NORMALIZED_NUMBER.equals(name)) {
+ info.normalizedNumber = reader.nextString();
+ } else if (PHOTO_ID.equals(name)) {
+ info.photoId = reader.nextInt();
+ } else if (LOOKUP_URI.equals(name)) {
+ Uri lookupUri = Uri.parse(reader.nextString());
+
+ if (hasCachedImage(context, normalizedNumber)) {
+ // Insert cached photo URI
+ Uri image = Uri.withAppendedPath(
+ LookupProvider.IMAGE_CACHE_URI,
+ Uri.encode(normalizedNumber));
+
+ String json = lookupUri.getEncodedFragment();
+ if (json != null) {
+ try {
+ JSONObject jsonObj = new JSONObject(json);
+ jsonObj.putOpt(Contacts.PHOTO_URI, image.toString());
+ lookupUri = lookupUri.buildUpon()
+ .encodedFragment(jsonObj.toString())
+ .build();
+ } catch (JSONException e) {
+ Log.e(TAG, "Failed to add image URI to json", e);
+ }
+ }
+
+ info.photoUri = image;
+ }
+
+ info.lookupUri = lookupUri;
+ }
+ }
+ reader.endObject();
+ } catch (IOException e) {
+ e.printStackTrace();
+ } finally {
+ DialerUtils.closeQuietly(reader);
+ DialerUtils.closeQuietly(in);
+ }
+
+ return info;
+ }
+
+ public static void deleteCachedContacts(Context context) {
+ File dir = new File(context.getCacheDir()
+ + File.separator + "lookup");
+
+ if (!dir.exists()) {
+ Log.v(TAG, "Lookup cache directory does not exist. Not clearing it.");
+ return;
+ }
+
+ if (!dir.isDirectory()) {
+ Log.e(TAG, "Path " + dir + " is not a directory");
+ return;
+ }
+
+ File[] files = dir.listFiles();
+ if (files != null) {
+ for (File file : files) {
+ if (file.isFile()) {
+ file.delete();
+ }
+ }
+ }
+ }
+
+ public static void deleteCachedContact(
+ Context context, String normalizedNumber) {
+ File f = getFilePath(context, normalizedNumber);
+ if (f.exists()) {
+ f.delete();
+ }
+
+ f = getImagePath(context, normalizedNumber);
+ if (f.exists()) {
+ f.delete();
+ }
+ }
+
+ public static boolean hasCachedImage(Context context, String number) {
+ String normalizedNumber = formatE164(context, number);
+
+ if (normalizedNumber == null) {
+ return false;
+ }
+
+ File file = getImagePath(context, normalizedNumber);
+ return file.exists();
+ }
+
+ public static void cacheImage(Context context,
+ String normalizedNumber, Bitmap bmp) {
+ // Compress the cached images to save space
+ if (bmp == null) {
+ Log.e(TAG, "Failed to cache image");
+ return;
+ }
+
+ File image = getImagePath(context, normalizedNumber);
+
+ FileOutputStream out = null;
+
+ try {
+ out = new FileOutputStream(image);
+ bmp.compress(Bitmap.CompressFormat.WEBP, 100, out);
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ DialerUtils.closeQuietly(out);
+ }
+ }
+
+ public static Bitmap getCachedImage(Context context, String normalizedNumber) {
+ File image = getImagePath(context, normalizedNumber);
+ if (!image.exists()) {
+ return null;
+ }
+
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inPreferredConfig = Bitmap.Config.ARGB_8888;
+ return BitmapFactory.decodeFile(image.getPath(), options);
+ }
+
+ private static String formatE164(Context context, String number) {
+ String countryIso = ((TelephonyManager) context.getSystemService(
+ Context.TELEPHONY_SERVICE)).getSimCountryIso().toUpperCase();
+ return PhoneNumberUtils.formatNumberToE164(number, countryIso);
+ }
+
+ private static File getFilePath(Context context, String normalizedNumber) {
+ File dir = new File(context.getCacheDir()
+ + File.separator + "lookup");
+
+ if (!dir.exists()) {
+ dir.mkdirs();
+ }
+
+ return new File(dir, normalizedNumber + ".json");
+ }
+
+ public static File getImagePath(Context context, String normalizedNumber) {
+ File dir = new File(context.getCacheDir()
+ + File.separator + "lookup");
+
+ if (!dir.exists()) {
+ dir.mkdirs();
+ }
+
+ return new File(dir, normalizedNumber + ".webp");
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 00:03:43 +0000