mirror of
https://github.com/Helium314/HeliBoard.git
synced 2025-05-18 16:03:12 +00:00
remove some unused code
This commit is contained in:
Helium314
parent
ac1cc0a690
commit
fd1270dd11
5 changed files with 19 additions and 449 deletions
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@ -16,35 +16,14 @@ object DictionaryPackConstants {
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/**
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* Authority for the ContentProvider protocol.
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*/
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// TODO: find some way to factorize this string with the one in the resources
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// TODO: find some way to factorize this string with the one in the resources
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const val AUTHORITY = DICTIONARY_DOMAIN
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/**
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* The action of the intent for publishing that new dictionary data is available.
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*/
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// TODO: make this different across different packages. A suggested course of action is
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// to use the package name inside this string.
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// NOTE: The appended string should be uppercase like all other actions, but it's not for
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// historical reasons.
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// TODO: make this different across different packages. A suggested course of action is
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// to use the package name inside this string.
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// NOTE: The appended string should be uppercase like all other actions, but it's not for
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// historical reasons.
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const val NEW_DICTIONARY_INTENT_ACTION = "$DICTIONARY_DOMAIN.newdict"
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/**
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* The action of the intent sent by the dictionary pack to ask for a client to make
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* itself known. This is used when the settings activity is brought up for a client the
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* dictionary pack does not know about.
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*/
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const val UNKNOWN_DICTIONARY_PROVIDER_CLIENT = (DICTIONARY_DOMAIN
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+ ".UNKNOWN_CLIENT")
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// In the above intents, the name of the string extra that contains the name of the client
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// we want information about.
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const val DICTIONARY_PROVIDER_CLIENT_EXTRA = "client"
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/**
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* The action of the intent to tell the dictionary provider to update now.
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*/
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const val UPDATE_NOW_INTENT_ACTION = (DICTIONARY_DOMAIN
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+ ".UPDATE_NOW")
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/**
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* The intent action to inform the dictionary provider to initialize the db
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* and update now.
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*/
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const val INIT_AND_UPDATE_NOW_INTENT_ACTION = (DICTIONARY_DOMAIN
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+ ".INIT_AND_UPDATE_NOW")
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}
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@ -1,365 +0,0 @@
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.dslul.openboard.inputmethod.latin;
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import android.content.ContentProviderClient;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.res.AssetFileDescriptor;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.RemoteException;
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import android.text.TextUtils;
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import android.util.Log;
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import org.dslul.openboard.inputmethod.dictionarypack.DictionaryPackConstants;
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import org.dslul.openboard.inputmethod.latin.define.DecoderSpecificConstants;
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import org.dslul.openboard.inputmethod.latin.utils.DictionaryInfoUtils;
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import org.dslul.openboard.inputmethod.latin.utils.DictionaryInfoUtils.DictionaryInfo;
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import org.dslul.openboard.inputmethod.latin.utils.MetadataFileUriGetter;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.Closeable;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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/**
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* Group class for static methods to help with creation and getting of the binary dictionary
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* file from the dictionary provider
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*/
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public final class BinaryDictionaryFileDumper {
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private static final String TAG = BinaryDictionaryFileDumper.class.getSimpleName();
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/**
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* The size of the temporary buffer to copy files.
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*/
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private static final int FILE_READ_BUFFER_SIZE = 8192;
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// TODO: make the following data common with the native code
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private static final byte[] MAGIC_NUMBER_VERSION_1 =
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new byte[] { (byte)0x78, (byte)0xB1, (byte)0x00, (byte)0x00 };
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private static final byte[] MAGIC_NUMBER_VERSION_2 =
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new byte[] { (byte)0x9B, (byte)0xC1, (byte)0x3A, (byte)0xFE };
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private static final boolean SHOULD_VERIFY_MAGIC_NUMBER = DecoderSpecificConstants.SHOULD_VERIFY_MAGIC_NUMBER;
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private static final boolean SHOULD_VERIFY_CHECKSUM = DecoderSpecificConstants.SHOULD_VERIFY_CHECKSUM;
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private static final String[] DICTIONARY_PROJECTION = {"id"};
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private static final String QUERY_PARAMETER_MAY_PROMPT_USER = "mayPrompt";
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private static final String QUERY_PARAMETER_TRUE = "true";
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private static final String QUERY_PARAMETER_DELETE_RESULT = "result";
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private static final String QUERY_PARAMETER_SUCCESS = "success";
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private static final String QUERY_PARAMETER_FAILURE = "failure";
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// Using protocol version 2 to communicate with the dictionary pack
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private static final String QUERY_PARAMETER_PROTOCOL = "protocol";
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private static final String QUERY_PARAMETER_PROTOCOL_VALUE = "2";
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// The path fragment to append after the client ID for dictionary info requests.
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private static final String QUERY_PATH_DICT_INFO = "dict";
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// The path fragment to append after the client ID for dictionary datafile requests.
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private static final String QUERY_PATH_DATAFILE = "datafile";
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// The path fragment to append after the client ID for updating the metadata URI.
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private static final String QUERY_PATH_METADATA = "metadata";
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private static final String INSERT_METADATA_CLIENT_ID_COLUMN = "clientid";
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private static final String INSERT_METADATA_METADATA_URI_COLUMN = "uri";
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private static final String INSERT_METADATA_METADATA_ADDITIONAL_ID_COLUMN = "additionalid";
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// Prevents this class to be accidentally instantiated.
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private BinaryDictionaryFileDumper() {
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}
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/**
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* Returns a URI builder pointing to the dictionary pack.
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*
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* This creates a URI builder able to build a URI pointing to the dictionary
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* pack content provider for a specific dictionary id.
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*/
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public static Uri.Builder getProviderUriBuilder(final String path) {
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return new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
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.authority(DictionaryPackConstants.AUTHORITY).appendPath(path);
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}
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/**
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* Gets the content URI builder for a specified type.
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*
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* Supported types include QUERY_PATH_DICT_INFO, which takes the locale as
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* the extraPath argument, and QUERY_PATH_DATAFILE, which needs a wordlist ID
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* as the extraPath argument.
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*
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* @param clientId the clientId to use
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* @param contentProviderClient the instance of content provider client
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* @param queryPathType the path element encoding the type
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* @param extraPath optional extra argument for this type (typically word list id)
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* @return a builder that can build the URI for the best supported protocol version
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* @throws RemoteException if the client can't be contacted
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*/
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private static Uri.Builder getContentUriBuilderForType(final String clientId,
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final ContentProviderClient contentProviderClient, final String queryPathType,
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final String extraPath) throws RemoteException {
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// Check whether protocol v2 is supported by building a v2 URI and calling getType()
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// on it. If this returns null, v2 is not supported.
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final Uri.Builder uriV2Builder = getProviderUriBuilder(clientId);
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uriV2Builder.appendPath(queryPathType);
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uriV2Builder.appendPath(extraPath);
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uriV2Builder.appendQueryParameter(QUERY_PARAMETER_PROTOCOL,
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QUERY_PARAMETER_PROTOCOL_VALUE);
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if (null != contentProviderClient.getType(uriV2Builder.build())) return uriV2Builder;
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// Protocol v2 is not supported, so create and return the protocol v1 uri.
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return getProviderUriBuilder(extraPath);
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}
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/**
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* Queries a content provider for the list of word lists for a specific locale
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* available to copy into Latin IME.
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*/
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private static List<WordListInfo> getWordListWordListInfos(final Locale locale,
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final Context context, final boolean hasDefaultWordList) {
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final String clientId = context.getString(R.string.dictionary_pack_client_id);
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final ContentProviderClient client = context.getContentResolver().
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acquireContentProviderClient(getProviderUriBuilder("").build());
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if (null == client) return Collections.emptyList();
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Cursor cursor = null;
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try {
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final Uri.Builder builder = getContentUriBuilderForType(clientId, client,
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QUERY_PATH_DICT_INFO, locale.toString());
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if (!hasDefaultWordList) {
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builder.appendQueryParameter(QUERY_PARAMETER_MAY_PROMPT_USER,
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QUERY_PARAMETER_TRUE);
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}
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final Uri queryUri = builder.build();
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final boolean isProtocolV2 = (QUERY_PARAMETER_PROTOCOL_VALUE.equals(
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queryUri.getQueryParameter(QUERY_PARAMETER_PROTOCOL)));
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cursor = client.query(queryUri, DICTIONARY_PROJECTION, null, null, null);
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if (isProtocolV2 && null == cursor) {
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reinitializeClientRecordInDictionaryContentProvider(context, client, clientId);
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cursor = client.query(queryUri, DICTIONARY_PROJECTION, null, null, null);
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}
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if (null == cursor) return Collections.emptyList();
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if (cursor.getCount() <= 0 || !cursor.moveToFirst()) {
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return Collections.emptyList();
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}
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final ArrayList<WordListInfo> list = new ArrayList<>();
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do {
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final String wordListId = cursor.getString(0);
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final String wordListLocale = cursor.getString(1);
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final String wordListRawChecksum = cursor.getString(2);
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if (TextUtils.isEmpty(wordListId)) continue;
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list.add(new WordListInfo(wordListId, wordListLocale, wordListRawChecksum));
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} while (cursor.moveToNext());
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return list;
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} catch (RemoteException e) {
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// The documentation is unclear as to in which cases this may happen, but it probably
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// happens when the content provider got suddenly killed because it crashed or because
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// the user disabled it through Settings.
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Log.e(TAG, "RemoteException: communication with the dictionary pack cut", e);
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return Collections.emptyList();
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} catch (Exception e) {
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// A crash here is dangerous because crashing here would brick any encrypted device -
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// we need the keyboard to be up and working to enter the password, so we don't want
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// to die no matter what. So let's be as safe as possible.
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Log.e(TAG, "Unexpected exception communicating with the dictionary pack", e);
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return Collections.emptyList();
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} finally {
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if (null != cursor) {
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cursor.close();
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}
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client.release();
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}
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}
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/**
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* Helper method to encapsulate exception handling.
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*/
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private static AssetFileDescriptor openAssetFileDescriptor(
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final ContentProviderClient providerClient, final Uri uri) {
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try {
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return providerClient.openAssetFile(uri, "r");
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} catch (FileNotFoundException e) {
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// I don't want to log the word list URI here for security concerns. The exception
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// contains the name of the file, so let's not pass it to Log.e here.
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Log.e(TAG, "Could not find a word list from the dictionary provider."
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/* intentionally don't pass the exception (see comment above) */);
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return null;
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} catch (RemoteException e) {
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Log.e(TAG, "Can't communicate with the dictionary pack", e);
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return null;
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}
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}
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public static boolean reportBrokenFileToDictionaryProvider(
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final ContentProviderClient providerClient, final String clientId,
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final String wordlistId) {
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try {
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final Uri.Builder wordListUriBuilder = getContentUriBuilderForType(clientId,
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providerClient, QUERY_PATH_DATAFILE, wordlistId /* extraPath */);
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wordListUriBuilder.appendQueryParameter(QUERY_PARAMETER_DELETE_RESULT,
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QUERY_PARAMETER_FAILURE);
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if (0 >= providerClient.delete(wordListUriBuilder.build(), null, null)) {
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Log.e(TAG, "Unable to delete a word list.");
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}
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} catch (RemoteException e) {
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Log.e(TAG, "Communication with the dictionary provider was cut", e);
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return false;
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}
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return true;
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}
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// Ideally the two following methods should be merged, but AssetFileDescriptor does not
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// implement Closeable although it does implement #close(), and Java does not have
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// structural typing.
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private static void closeAssetFileDescriptorAndReportAnyException(
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final AssetFileDescriptor file) {
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try {
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if (null != file) file.close();
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} catch (Exception e) {
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Log.e(TAG, "Exception while closing a file", e);
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}
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}
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private static void closeCloseableAndReportAnyException(final Closeable file) {
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try {
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if (null != file) file.close();
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} catch (Exception e) {
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Log.e(TAG, "Exception while closing a file", e);
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}
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}
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/**
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* Copies the data in an input stream to a target file if the magic number matches.
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*
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* If the magic number does not match the expected value, this method throws an
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* IOException. Other usual conditions for IOException or FileNotFoundException
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* also apply.
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*
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* @param input the stream to be copied.
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* @param output an output stream to copy the data to.
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*/
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public static void checkMagicAndCopyFileTo(final BufferedInputStream input,
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final BufferedOutputStream output) throws IOException {
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// Check the magic number
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final int length = MAGIC_NUMBER_VERSION_2.length;
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final byte[] magicNumberBuffer = new byte[length];
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final int readMagicNumberSize = input.read(magicNumberBuffer, 0, length);
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if (readMagicNumberSize < length) {
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throw new IOException("Less bytes to read than the magic number length");
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}
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if (SHOULD_VERIFY_MAGIC_NUMBER) {
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if (!Arrays.equals(MAGIC_NUMBER_VERSION_2, magicNumberBuffer)) {
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if (!Arrays.equals(MAGIC_NUMBER_VERSION_1, magicNumberBuffer)) {
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throw new IOException("Wrong magic number for downloaded file");
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}
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}
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}
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output.write(magicNumberBuffer);
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// Actually copy the file
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final byte[] buffer = new byte[FILE_READ_BUFFER_SIZE];
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for (int readBytes = input.read(buffer); readBytes >= 0; readBytes = input.read(buffer)) {
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output.write(buffer, 0, readBytes);
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}
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input.close();
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}
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private static void reinitializeClientRecordInDictionaryContentProvider(final Context context,
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final ContentProviderClient client, final String clientId) throws RemoteException {
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final String metadataFileUri = MetadataFileUriGetter.getMetadataUri(context);
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Log.i(TAG, "reinitializeClientRecordInDictionaryContentProvider() : MetadataFileUri = "
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+ metadataFileUri);
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final String metadataAdditionalId = MetadataFileUriGetter.getMetadataAdditionalId(context);
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// Tell the content provider to reset all information about this client id
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final Uri metadataContentUri = getProviderUriBuilder(clientId)
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.appendPath(QUERY_PATH_METADATA)
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.appendQueryParameter(QUERY_PARAMETER_PROTOCOL, QUERY_PARAMETER_PROTOCOL_VALUE)
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.build();
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client.delete(metadataContentUri, null, null);
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// Update the metadata URI
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final ContentValues metadataValues = new ContentValues();
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metadataValues.put(INSERT_METADATA_CLIENT_ID_COLUMN, clientId);
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metadataValues.put(INSERT_METADATA_METADATA_URI_COLUMN, metadataFileUri);
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metadataValues.put(INSERT_METADATA_METADATA_ADDITIONAL_ID_COLUMN, metadataAdditionalId);
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client.insert(metadataContentUri, metadataValues);
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// Update the dictionary list.
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final Uri dictionaryContentUriBase = getProviderUriBuilder(clientId)
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.appendPath(QUERY_PATH_DICT_INFO)
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.appendQueryParameter(QUERY_PARAMETER_PROTOCOL, QUERY_PARAMETER_PROTOCOL_VALUE)
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.build();
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final ArrayList<DictionaryInfo> dictionaryList =
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DictionaryInfoUtils.getCurrentDictionaryFileNameAndVersionInfo(context);
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final int length = dictionaryList.size();
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for (int i = 0; i < length; ++i) {
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final DictionaryInfo info = dictionaryList.get(i);
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Log.i(TAG, "reinitializeClientRecordInDictionaryContentProvider() : Insert " + info);
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client.insert(Uri.withAppendedPath(dictionaryContentUriBase, info.mId),
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info.toContentValues());
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}
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// Read from metadata file in resources to get the baseline dictionary info.
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// This ensures we start with a sane list of available dictionaries.
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final int metadataResourceId = context.getResources().getIdentifier("metadata",
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"raw", DictionaryInfoUtils.RESOURCE_PACKAGE_NAME);
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if (metadataResourceId == 0) {
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Log.w(TAG, "Missing metadata.json resource");
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return;
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}
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InputStream inputStream = null;
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try {
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inputStream = context.getResources().openRawResource(metadataResourceId);
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} catch (Exception e) {
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Log.w(TAG, "Failed to read metadata.json from resources", e);
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} finally {
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if (inputStream != null) {
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try {
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inputStream.close();
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} catch (IOException e) {
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Log.w(TAG, "Failed to close metadata.json", e);
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}
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}
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}
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}
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/**
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* Initialize a client record with the dictionary content provider.
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*
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* This merely acquires the content provider and calls
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* #reinitializeClientRecordInDictionaryContentProvider.
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*
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* @param context the context for resources and providers.
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* @param clientId the client ID to use.
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*/
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public static void initializeClientRecordHelper(final Context context, final String clientId) {
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try {
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final ContentProviderClient client = context.getContentResolver().
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acquireContentProviderClient(getProviderUriBuilder("").build());
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if (null == client) return;
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reinitializeClientRecordInDictionaryContentProvider(context, client, clientId);
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} catch (RemoteException e) {
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Log.e(TAG, "Cannot contact the dictionary content provider", e);
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}
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}
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}
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@ -16,10 +16,12 @@
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package org.dslul.openboard.inputmethod.latin;
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import android.content.ContentProviderClient;
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import android.content.Context;
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import android.content.res.AssetFileDescriptor;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.Log;
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import android.widget.Toast;
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import org.dslul.openboard.inputmethod.latin.utils.DictionaryInfoUtils;
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@ -92,38 +94,14 @@ public final class DictionaryFactory {
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public static void killDictionary(final Context context, final AssetFileAddress f) {
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if (f.pointsToPhysicalFile()) {
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f.deleteUnderlyingFile();
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// Warn the dictionary provider if the dictionary came from there.
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final ContentProviderClient providerClient;
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try {
|
||||
providerClient = context.getContentResolver().acquireContentProviderClient(
|
||||
BinaryDictionaryFileDumper.getProviderUriBuilder("").build());
|
||||
} catch (final SecurityException e) {
|
||||
Log.e(TAG, "No permission to communicate with the dictionary provider", e);
|
||||
return;
|
||||
}
|
||||
if (null == providerClient) {
|
||||
Log.e(TAG, "Can't establish communication with the dictionary provider");
|
||||
return;
|
||||
}
|
||||
final String wordlistId =
|
||||
DictionaryInfoUtils.getWordListIdFromFileName(new File(f.mFilename).getName());
|
||||
// TODO: this is a reasonable last resort, but it is suboptimal.
|
||||
// The following will remove the entry for this dictionary with the dictionary
|
||||
// provider. When the metadata is downloaded again, we will try downloading it
|
||||
// again.
|
||||
// However, in the practice that will mean the user will find themselves without
|
||||
// the new dictionary. That's fine for languages where it's included in the APK,
|
||||
// but for other languages it will leave the user without a dictionary at all until
|
||||
// the next update, which may be a few days away.
|
||||
// Ideally, we would trigger a new download right away, and use increasing retry
|
||||
// delays for this particular id/version combination.
|
||||
// Then again, this is expected to only ever happen in case of human mistake. If
|
||||
// the wrong file is on the server, the following is still doing the right thing.
|
||||
// If it's a file left over from the last version however, it's not great.
|
||||
BinaryDictionaryFileDumper.reportBrokenFileToDictionaryProvider(
|
||||
providerClient,
|
||||
context.getString(R.string.dictionary_pack_client_id),
|
||||
wordlistId);
|
||||
// notify the user
|
||||
// todo: use an alertDialog to avoid the toast not showing up on Android 13+
|
||||
// but asyncTask doesn't work because android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?
|
||||
// https://stackoverflow.com/questions/7199014/show-an-alertdialog-from-a-background-thread-with-the-appcontext
|
||||
final String wordlistId = DictionaryInfoUtils.getWordListIdFromFileName(new File(f.mFilename).getName());
|
||||
new Handler(Looper.getMainLooper()).post(() ->
|
||||
Toast.makeText(context, "dictionary "+wordlistId+" is invalid, deleting", Toast.LENGTH_LONG).show()
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -95,7 +95,6 @@ public final class DictionaryPackInstallBroadcastReceiver extends BroadcastRecei
|
|||
}
|
||||
// If we come here none of the authorities matched the one we searched for.
|
||||
// We can exit safely.
|
||||
return;
|
||||
} else if (action.equals(Intent.ACTION_PACKAGE_REMOVED)
|
||||
&& !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) {
|
||||
if (null == mService) {
|
||||
|
|
@ -120,22 +119,6 @@ public final class DictionaryPackInstallBroadcastReceiver extends BroadcastRecei
|
|||
return;
|
||||
}
|
||||
mService.resetSuggestMainDict();
|
||||
} else if (action.equals(DictionaryPackConstants.UNKNOWN_DICTIONARY_PROVIDER_CLIENT)) {
|
||||
if (null != mService) {
|
||||
// Careful! This is returning if the service is NOT null. This is because we
|
||||
// should come here instantiated by the framework in reaction to a broadcast of
|
||||
// the above action, so we should gave gone through the no-args constructor.
|
||||
Log.e(TAG, "Called with intent " + action + " but we have a reference to the "
|
||||
+ "service: this should never happen");
|
||||
return;
|
||||
}
|
||||
// The dictionary provider does not know about some client. We check that it's really
|
||||
// us that it needs to know about, and if it's the case, we register with the provider.
|
||||
final String wantedClientId =
|
||||
intent.getStringExtra(DictionaryPackConstants.DICTIONARY_PROVIDER_CLIENT_EXTRA);
|
||||
final String myClientId = context.getString(R.string.dictionary_pack_client_id);
|
||||
if (!wantedClientId.equals(myClientId)) return; // Not for us
|
||||
BinaryDictionaryFileDumper.initializeClientRecordHelper(context, myClientId);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,7 +20,6 @@ import android.util.Log;
|
|||
|
||||
import org.dslul.openboard.inputmethod.annotations.UsedForTesting;
|
||||
|
||||
import java.lang.Thread.UncaughtExceptionHandler;
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.concurrent.ScheduledExecutorService;
|
||||
import java.util.concurrent.ThreadFactory;
|
||||
|
|
@ -53,12 +52,8 @@ public class ExecutorUtils {
|
|||
@Override
|
||||
public Thread newThread(final Runnable runnable) {
|
||||
Thread thread = new Thread(runnable, TAG);
|
||||
thread.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
|
||||
@Override
|
||||
public void uncaughtException(Thread thread, Throwable ex) {
|
||||
Log.w(mName + "-" + runnable.getClass().getSimpleName(), ex);
|
||||
}
|
||||
});
|
||||
thread.setUncaughtExceptionHandler((thread1, ex) ->
|
||||
Log.w(mName + "-" + runnable.getClass().getSimpleName(), ex));
|
||||
return thread;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue