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Load only unique dictionary words

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- Move UserDictionarySettings to sub package
- Convert cursor to loader

Fix: 22058788
Test: robotests

Change-Id: I1e8828abee58362b815abc210c044b678bf9d578
This commit is contained in:
Fan Zhang
2017-07-13 14:00:44 -07:00
parent b3e20232d4
commit 6539c9a1d0
8 changed files with 285 additions and 96 deletions
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2
src/com/android/settings/core/gateway/SettingsGateway.java
View File

@@ -31,7 +31,6 @@ import com.android.settings.Settings;
import com.android.settings.TestingSettings;
import com.android.settings.TetherSettings;
import com.android.settings.TrustedCredentialsSettings;
import com.android.settings.UserDictionarySettings;
import com.android.settings.WifiCallingSettings;
import com.android.settings.accessibility.AccessibilitySettings;
import com.android.settings.accessibility.AccessibilitySettingsForSetupWizard;
@@ -91,6 +90,7 @@ import com.android.settings.inputmethod.KeyboardLayoutPickerFragment;
import com.android.settings.inputmethod.PhysicalKeyboardFragment;
import com.android.settings.inputmethod.SpellCheckersSettings;
import com.android.settings.inputmethod.UserDictionaryList;
import com.android.settings.inputmethod.UserDictionarySettings;
import com.android.settings.language.LanguageAndInputSettings;
import com.android.settings.localepicker.LocaleListEditor;
import com.android.settings.location.LocationSettings;

1
src/com/android/settings/inputmethod/UserDictionaryAddWordContents.java
View File

@@ -27,7 +27,6 @@ import android.view.View;
import android.widget.EditText;
import com.android.settings.R;
import com.android.settings.UserDictionarySettings;
import com.android.settings.Utils;
import java.util.ArrayList;

98
src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java Normal file
View File

@@ -0,0 +1,98 @@
/*
* 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 com.android.settings.inputmethod;
import android.content.Context;
import android.content.CursorLoader;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.provider.UserDictionary;
import android.support.annotation.VisibleForTesting;
import android.util.ArraySet;
import java.util.Locale;
import java.util.Objects;
import java.util.Set;
public class UserDictionaryCursorLoader extends CursorLoader {
@VisibleForTesting
static final String[] QUERY_PROJECTION = {
UserDictionary.Words._ID,
UserDictionary.Words.WORD,
UserDictionary.Words.SHORTCUT
};
// The index of the shortcut in the above array.
static final int INDEX_SHORTCUT = 2;
// Either the locale is empty (means the word is applicable to all locales)
// or the word equals our current locale
private static final String QUERY_SELECTION =
UserDictionary.Words.LOCALE + "=?";
private static final String QUERY_SELECTION_ALL_LOCALES =
UserDictionary.Words.LOCALE + " is null";
// Locale can be any of:
// - The string representation of a locale, as returned by Locale#toString()
// - The empty string. This means we want a cursor returning words valid for all locales.
// - null. This means we want a cursor for the current locale, whatever this is.
// Note that this contrasts with the data inside the database, where NULL means "all
// locales" and there should never be an empty string. The confusion is called by the
// historical use of null for "all locales".
// TODO: it should be easy to make this more readable by making the special values
// human-readable, like "all_locales" and "current_locales" strings, provided they
// can be guaranteed not to match locales that may exist.
private final String mLocale;
public UserDictionaryCursorLoader(Context context, String locale) {
super(context);
mLocale = locale;
}
@Override
public Cursor loadInBackground() {
final MatrixCursor result = new MatrixCursor(QUERY_PROJECTION);
final Cursor candidate;
if ("".equals(mLocale)) {
// Case-insensitive sort
candidate = getContext().getContentResolver().query(
UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
QUERY_SELECTION_ALL_LOCALES, null,
"UPPER(" + UserDictionary.Words.WORD + ")");
} else {
final String queryLocale = null != mLocale ? mLocale : Locale.getDefault().toString();
candidate = getContext().getContentResolver().query(UserDictionary.Words.CONTENT_URI,
QUERY_PROJECTION, QUERY_SELECTION,
new String[]{queryLocale}, "UPPER(" + UserDictionary.Words.WORD + ")");
}
final Set<Integer> hashSet = new ArraySet<>();
for (candidate.moveToFirst(); !candidate.isAfterLast(); candidate.moveToNext()) {
final int id = candidate.getInt(0);
final String word = candidate.getString(1);
final String shortcut = candidate.getString(2);
final int hash = Objects.hash(word, shortcut);
if (hashSet.contains(hash)) {
continue;
}
hashSet.add(hash);
result.addRow(new Object[]{id, word, shortcut});
}
return result;
}
}

2
src/com/android/settings/inputmethod/UserDictionaryList.java
View File

@@ -180,7 +180,7 @@ public class UserDictionaryList extends SettingsPreferenceFragment {
newPref.getExtras().putString("locale", locale);
}
newPref.setIntent(intent);
newPref.setFragment(com.android.settings.UserDictionarySettings.class.getName());
newPref.setFragment(UserDictionarySettings.class.getName());
return newPref;
}

147
src/com/android/settings/UserDictionarySettings.java → src/com/android/settings/inputmethod/UserDictionarySettings.java
View File

@@ -1,25 +1,29 @@
/**
* Copyright (C) 2009 Google Inc.
/*
* Copyright (C) 2009 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
* 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.
* 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.settings;
package com.android.settings.inputmethod;
import android.annotation.Nullable;
import android.app.ActionBar;
import android.app.ListFragment;
import android.app.LoaderManager;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.UserDictionary;
@@ -38,28 +42,13 @@ import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
import com.android.settings.inputmethod.UserDictionaryAddWordContents;
import com.android.settings.inputmethod.UserDictionarySettingsUtils;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.core.instrumentation.Instrumentable;
import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
import java.util.Locale;
public class UserDictionarySettings extends ListFragment implements Instrumentable {
private static final String[] QUERY_PROJECTION = {
UserDictionary.Words._ID, UserDictionary.Words.WORD, UserDictionary.Words.SHORTCUT
};
// The index of the shortcut in the above array.
private static final int INDEX_SHORTCUT = 2;
// Either the locale is empty (means the word is applicable to all locales)
// or the word equals our current locale
private static final String QUERY_SELECTION =
UserDictionary.Words.LOCALE + "=?";
private static final String QUERY_SELECTION_ALL_LOCALES =
UserDictionary.Words.LOCALE + " is null";
public class UserDictionarySettings extends ListFragment implements Instrumentable,
LoaderManager.LoaderCallbacks<Cursor> {
private static final String DELETE_SELECTION_WITH_SHORTCUT = UserDictionary.Words.WORD
+ "=? AND " + UserDictionary.Words.SHORTCUT + "=?";
@@ -68,12 +57,13 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
+ UserDictionary.Words.SHORTCUT + "=''";
private static final int OPTIONS_MENU_ADD = Menu.FIRST;
private static final int LOADER_ID = 1;
private final VisibilityLoggerMixin mVisibilityLoggerMixin =
new VisibilityLoggerMixin(getMetricsCategory());
private Cursor mCursor;
protected String mLocale;
private String mLocale;
@Override
public int getMetricsCategory() {
@@ -87,16 +77,8 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(
com.android.internal.R.layout.preference_list_fragment, container, false);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
getActivity().getActionBar().setTitle(R.string.user_dict_settings_title);
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final Intent intent = getActivity().getIntent();
final String localeFromIntent =
@@ -116,56 +98,49 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
}
mLocale = locale;
mCursor = createCursor(locale);
TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
setHasOptionsMenu(true);
getLoaderManager().initLoader(LOADER_ID, null, this /* callback */);
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Show the language as a subtitle of the action bar
final ActionBar actionBar = getActivity().getActionBar();
if (actionBar != null) {
actionBar.setTitle(R.string.user_dict_settings_title);
actionBar.setSubtitle(
UserDictionarySettingsUtils.getLocaleDisplayName(getActivity(), mLocale));
}
return inflater.inflate(
com.android.internal.R.layout.preference_list_fragment, container, false);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
TextView emptyView = getView().findViewById(android.R.id.empty);
emptyView.setText(R.string.user_dict_settings_empty_text);
final ListView listView = getListView();
listView.setAdapter(createAdapter());
listView.setFastScrollEnabled(true);
listView.setEmptyView(emptyView);
setHasOptionsMenu(true);
// Show the language as a subtitle of the action bar
getActivity().getActionBar().setSubtitle(
UserDictionarySettingsUtils.getLocaleDisplayName(getActivity(), mLocale));
}
@Override
public void onResume() {
super.onResume();
mVisibilityLoggerMixin.onResume();
}
private Cursor createCursor(final String locale) {
// Locale can be any of:
// - The string representation of a locale, as returned by Locale#toString()
// - The empty string. This means we want a cursor returning words valid for all locales.
// - null. This means we want a cursor for the current locale, whatever this is.
// Note that this contrasts with the data inside the database, where NULL means "all
// locales" and there should never be an empty string. The confusion is called by the
// historical use of null for "all locales".
// TODO: it should be easy to make this more readable by making the special values
// human-readable, like "all_locales" and "current_locales" strings, provided they
// can be guaranteed not to match locales that may exist.
if ("".equals(locale)) {
// Case-insensitive sort
return getActivity().managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
QUERY_SELECTION_ALL_LOCALES, null,
"UPPER(" + UserDictionary.Words.WORD + ")");
} else {
final String queryLocale = null != locale ? locale : Locale.getDefault().toString();
return getActivity().managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
QUERY_SELECTION, new String[] { queryLocale },
"UPPER(" + UserDictionary.Words.WORD + ")");
}
getLoaderManager().restartLoader(LOADER_ID, null, this /* callback */);
}
private ListAdapter createAdapter() {
return new MyAdapter(getActivity(),
R.layout.user_dictionary_item, mCursor,
new String[]{UserDictionary.Words.WORD, UserDictionary.Words.SHORTCUT},
new int[] { android.R.id.text1, android.R.id.text2 }, this);
new int[]{android.R.id.text1, android.R.id.text2});
}
@Override
@@ -203,6 +178,7 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
/**
* Add or edit a word. If editingWord is null, it's an add; otherwise, it's an edit.
*
* @param editingWord the word to edit, or null if it's an add.
* @param editingShortcut the shortcut for this entry, or null if none.
*/
@@ -253,6 +229,22 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
}
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new UserDictionaryCursorLoader(getContext(), mLocale);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
mCursor = data;
getListView().setAdapter(createAdapter());
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
private static class MyAdapter extends SimpleCursorAdapter implements SectionIndexer {
private AlphabetIndexer mIndexer;
@@ -261,8 +253,8 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
@Override
public boolean setViewValue(View v, Cursor c, int columnIndex) {
if (columnIndex == INDEX_SHORTCUT) {
final String shortcut = c.getString(INDEX_SHORTCUT);
if (columnIndex == UserDictionaryCursorLoader.INDEX_SHORTCUT) {
final String shortcut = c.getString(UserDictionaryCursorLoader.INDEX_SHORTCUT);
if (TextUtils.isEmpty(shortcut)) {
v.setVisibility(View.GONE);
} else {
@@ -277,8 +269,7 @@ public class UserDictionarySettings extends ListFragment implements Instrumentab
}
};
public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to,
UserDictionarySettings settings) {
public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
super(context, layout, c, from, to);
if (null != c) {

2
src/com/android/settings/language/UserDictionaryPreferenceController.java
View File

@@ -21,9 +21,9 @@ import android.content.Context;
import android.os.Bundle;
import android.support.v7.preference.Preference;
import com.android.settings.UserDictionarySettings;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.inputmethod.UserDictionaryList;
import com.android.settings.inputmethod.UserDictionarySettings;
import com.android.settingslib.core.AbstractPreferenceController;
import java.util.TreeSet;

104
tests/robotests/src/com/android/settings/inputmethod/UserDictionaryCursorLoaderTest.java Normal file
View File

@@ -0,0 +1,104 @@
/*
* 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 com.android.settings.inputmethod;
import static com.google.common.truth.Truth.assertThat;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import android.provider.UserDictionary;
import com.android.settings.TestConfig;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import org.robolectric.shadows.ShadowContentResolver;
@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class UserDictionaryCursorLoaderTest {
private ContentProvider mContentProvider;
private UserDictionaryCursorLoader mLoader;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
mContentProvider = new FakeProvider();
mLoader = new UserDictionaryCursorLoader(RuntimeEnvironment.application, "" /* locale */);
ShadowContentResolver.registerProvider(UserDictionary.AUTHORITY, mContentProvider);
}
@Test
public void testLoad_shouldRemoveDuplicate() {
final Cursor cursor = mLoader.loadInBackground();
assertThat(cursor.getCount()).isEqualTo(4);
}
public static class FakeProvider extends ContentProvider {
@Override
public boolean onCreate() {
return false;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
final MatrixCursor cursor = new MatrixCursor(
UserDictionaryCursorLoader.QUERY_PROJECTION);
cursor.addRow(new Object[]{1, "word1", "shortcut1"});
cursor.addRow(new Object[]{2, "word2", "shortcut2"});
cursor.addRow(new Object[]{3, "word3", "shortcut3"});
cursor.addRow(new Object[]{4, "word3", "shortcut3"}); // dupe of 3
cursor.addRow(new Object[]{5, "word5", null}); // no shortcut
return cursor;
}
@Override
public String getType(Uri uri) {
return null;
}
@Override
public Uri insert(Uri uri, ContentValues values) {
return null;
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
return 0;
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
return 0;
}
}
}

11
tests/robotests/src/com/android/settings/language/UserDictionaryPreferenceControllerTest.java
View File

@@ -16,15 +16,16 @@
package com.android.settings.language;
import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import android.speech.tts.TtsEngines;
import android.support.v7.preference.Preference;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settings.TestConfig;
import com.android.settings.UserDictionarySettings;
import com.android.settings.inputmethod.UserDictionaryList;
import com.android.settings.inputmethod.UserDictionarySettings;
import com.android.settings.testutils.FakeFeatureFactory;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import org.junit.Before;
import org.junit.Test;
@@ -37,16 +38,12 @@ import org.robolectric.shadows.ShadowApplication;
import java.util.TreeSet;
import static com.google.common.truth.Truth.assertThat;
@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class UserDictionaryPreferenceControllerTest {
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
private Context mContext;
@Mock
private TtsEngines mTtsEngines;
private Preference mPreference;
private TestController mController;