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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 android.view.textclassifier;
import android.annotation.Nullable;
import android.util.KeyValueListParser;
import android.util.Slog;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.StringJoiner;
/**
* TextClassifier specific settings.
* This is encoded as a key=value list, separated by commas. Ex:
*
* <pre>
* smart_linkify_enabled (boolean)
* system_textclassifier_enabled (boolean)
* model_dark_launch_enabled (boolean)
* smart_selection_enabled (boolean)
* smart_text_share_enabled (boolean)
* smart_linkify_enabled (boolean)
* smart_select_animation_enabled (boolean)
* suggest_selection_max_range_length (int)
* classify_text_max_range_length (int)
* generate_links_max_text_length (int)
* generate_links_log_sample_rate (int)
* entity_list_default (String[])
* entity_list_not_editable (String[])
* entity_list_editable (String[])
* </pre>
*
* <p>
* Type: string
* see also android.provider.Settings.Global.TEXT_CLASSIFIER_CONSTANTS
*
* Example of setting the values for testing.
* adb shell settings put global text_classifier_constants \
* model_dark_launch_enabled=true,smart_selection_enabled=true,\
* entity_list_default=phone:address
* @hide
*/
public final class TextClassificationConstants {
private static final String LOG_TAG = "TextClassificationConstants";
private static final String LOCAL_TEXT_CLASSIFIER_ENABLED =
"local_textclassifier_enabled";
private static final String SYSTEM_TEXT_CLASSIFIER_ENABLED =
"system_textclassifier_enabled";
private static final String MODEL_DARK_LAUNCH_ENABLED =
"model_dark_launch_enabled";
private static final String SMART_SELECTION_ENABLED =
"smart_selection_enabled";
private static final String SMART_TEXT_SHARE_ENABLED =
"smart_text_share_enabled";
private static final String SMART_LINKIFY_ENABLED =
"smart_linkify_enabled";
private static final String SMART_SELECT_ANIMATION_ENABLED =
"smart_select_animation_enabled";
private static final String SUGGEST_SELECTION_MAX_RANGE_LENGTH =
"suggest_selection_max_range_length";
private static final String CLASSIFY_TEXT_MAX_RANGE_LENGTH =
"classify_text_max_range_length";
private static final String GENERATE_LINKS_MAX_TEXT_LENGTH =
"generate_links_max_text_length";
private static final String GENERATE_LINKS_LOG_SAMPLE_RATE =
"generate_links_log_sample_rate";
private static final String ENTITY_LIST_DEFAULT =
"entity_list_default";
private static final String ENTITY_LIST_NOT_EDITABLE =
"entity_list_not_editable";
private static final String ENTITY_LIST_EDITABLE =
"entity_list_editable";
private static final boolean LOCAL_TEXT_CLASSIFIER_ENABLED_DEFAULT = true;
private static final boolean SYSTEM_TEXT_CLASSIFIER_ENABLED_DEFAULT = true;
private static final boolean MODEL_DARK_LAUNCH_ENABLED_DEFAULT = false;
private static final boolean SMART_SELECTION_ENABLED_DEFAULT = true;
private static final boolean SMART_TEXT_SHARE_ENABLED_DEFAULT = true;
private static final boolean SMART_LINKIFY_ENABLED_DEFAULT = true;
private static final boolean SMART_SELECT_ANIMATION_ENABLED_DEFAULT = true;
private static final int SUGGEST_SELECTION_MAX_RANGE_LENGTH_DEFAULT = 10 * 1000;
private static final int CLASSIFY_TEXT_MAX_RANGE_LENGTH_DEFAULT = 10 * 1000;
private static final int GENERATE_LINKS_MAX_TEXT_LENGTH_DEFAULT = 100 * 1000;
private static final int GENERATE_LINKS_LOG_SAMPLE_RATE_DEFAULT = 100;
private static final String ENTITY_LIST_DELIMITER = ":";
private static final String ENTITY_LIST_DEFAULT_VALUE = new StringJoiner(ENTITY_LIST_DELIMITER)
.add(TextClassifier.TYPE_ADDRESS)
.add(TextClassifier.TYPE_EMAIL)
.add(TextClassifier.TYPE_PHONE)
.add(TextClassifier.TYPE_URL)
.add(TextClassifier.TYPE_DATE)
.add(TextClassifier.TYPE_DATE_TIME)
.add(TextClassifier.TYPE_FLIGHT_NUMBER).toString();
private final boolean mSystemTextClassifierEnabled;
private final boolean mLocalTextClassifierEnabled;
private final boolean mModelDarkLaunchEnabled;
private final boolean mSmartSelectionEnabled;
private final boolean mSmartTextShareEnabled;
private final boolean mSmartLinkifyEnabled;
private final boolean mSmartSelectionAnimationEnabled;
private final int mSuggestSelectionMaxRangeLength;
private final int mClassifyTextMaxRangeLength;
private final int mGenerateLinksMaxTextLength;
private final int mGenerateLinksLogSampleRate;
private final List<String> mEntityListDefault;
private final List<String> mEntityListNotEditable;
private final List<String> mEntityListEditable;
private TextClassificationConstants(@Nullable String settings) {
final KeyValueListParser parser = new KeyValueListParser(',');
try {
parser.setString(settings);
} catch (IllegalArgumentException e) {
// Failed to parse the settings string, log this and move on with defaults.
Slog.e(LOG_TAG, "Bad TextClassifier settings: " + settings);
}
mSystemTextClassifierEnabled = parser.getBoolean(
SYSTEM_TEXT_CLASSIFIER_ENABLED,
SYSTEM_TEXT_CLASSIFIER_ENABLED_DEFAULT);
mLocalTextClassifierEnabled = parser.getBoolean(
LOCAL_TEXT_CLASSIFIER_ENABLED,
LOCAL_TEXT_CLASSIFIER_ENABLED_DEFAULT);
mModelDarkLaunchEnabled = parser.getBoolean(
MODEL_DARK_LAUNCH_ENABLED,
MODEL_DARK_LAUNCH_ENABLED_DEFAULT);
mSmartSelectionEnabled = parser.getBoolean(
SMART_SELECTION_ENABLED,
SMART_SELECTION_ENABLED_DEFAULT);
mSmartTextShareEnabled = parser.getBoolean(
SMART_TEXT_SHARE_ENABLED,
SMART_TEXT_SHARE_ENABLED_DEFAULT);
mSmartLinkifyEnabled = parser.getBoolean(
SMART_LINKIFY_ENABLED,
SMART_LINKIFY_ENABLED_DEFAULT);
mSmartSelectionAnimationEnabled = parser.getBoolean(
SMART_SELECT_ANIMATION_ENABLED,
SMART_SELECT_ANIMATION_ENABLED_DEFAULT);
mSuggestSelectionMaxRangeLength = parser.getInt(
SUGGEST_SELECTION_MAX_RANGE_LENGTH,
SUGGEST_SELECTION_MAX_RANGE_LENGTH_DEFAULT);
mClassifyTextMaxRangeLength = parser.getInt(
CLASSIFY_TEXT_MAX_RANGE_LENGTH,
CLASSIFY_TEXT_MAX_RANGE_LENGTH_DEFAULT);
mGenerateLinksMaxTextLength = parser.getInt(
GENERATE_LINKS_MAX_TEXT_LENGTH,
GENERATE_LINKS_MAX_TEXT_LENGTH_DEFAULT);
mGenerateLinksLogSampleRate = parser.getInt(
GENERATE_LINKS_LOG_SAMPLE_RATE,
GENERATE_LINKS_LOG_SAMPLE_RATE_DEFAULT);
mEntityListDefault = parseEntityList(parser.getString(
ENTITY_LIST_DEFAULT,
ENTITY_LIST_DEFAULT_VALUE));
mEntityListNotEditable = parseEntityList(parser.getString(
ENTITY_LIST_NOT_EDITABLE,
ENTITY_LIST_DEFAULT_VALUE));
mEntityListEditable = parseEntityList(parser.getString(
ENTITY_LIST_EDITABLE,
ENTITY_LIST_DEFAULT_VALUE));
}
/** Load from a settings string. */
public static TextClassificationConstants loadFromString(String settings) {
return new TextClassificationConstants(settings);
}
public boolean isLocalTextClassifierEnabled() {
return mLocalTextClassifierEnabled;
}
public boolean isSystemTextClassifierEnabled() {
return mSystemTextClassifierEnabled;
}
public boolean isModelDarkLaunchEnabled() {
return mModelDarkLaunchEnabled;
}
public boolean isSmartSelectionEnabled() {
return mSmartSelectionEnabled;
}
public boolean isSmartTextShareEnabled() {
return mSmartTextShareEnabled;
}
public boolean isSmartLinkifyEnabled() {
return mSmartLinkifyEnabled;
}
public boolean isSmartSelectionAnimationEnabled() {
return mSmartSelectionAnimationEnabled;
}
public int getSuggestSelectionMaxRangeLength() {
return mSuggestSelectionMaxRangeLength;
}
public int getClassifyTextMaxRangeLength() {
return mClassifyTextMaxRangeLength;
}
public int getGenerateLinksMaxTextLength() {
return mGenerateLinksMaxTextLength;
}
public int getGenerateLinksLogSampleRate() {
return mGenerateLinksLogSampleRate;
}
public List<String> getEntityListDefault() {
return mEntityListDefault;
}
public List<String> getEntityListNotEditable() {
return mEntityListNotEditable;
}
public List<String> getEntityListEditable() {
return mEntityListEditable;
}
private static List<String> parseEntityList(String listStr) {
return Collections.unmodifiableList(Arrays.asList(listStr.split(ENTITY_LIST_DELIMITER)));
}
}
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