5f00fe09e9
This CL fixes the following compiler warnings. - Indirect access to static member - Access to a non-accessible member of an enclosing type - Parameter assignment - Method can be static - Local variable declaration hides another field or variable - Value of local variable is not used - Unused import - Unused private member - Unnecessary 'else' statement - Unnecessary declaration of throw exception - Redundant type arguments - Missing '@Override' annotation - Unused '@SuppressWarning' annotations Bug: 18003991 Change-Id: Icfebe753e53a2cc621848f769d6a3d7ce501ebc7
85 lines
2.9 KiB
Java
85 lines
2.9 KiB
Java
/**
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package com.android.inputmethod.dictionarypack;
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import android.view.View;
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import java.util.ArrayList;
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import java.util.HashMap;
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/**
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* Helper class to maintain the interface state of word list preferences.
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*
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* This is necessary because the views are created on-demand by calling code. There are many
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* situations where views are renewed with little relation with user interaction. For example,
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* when scrolling, the view is reused so it doesn't keep its state, which means we need to keep
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* it separately. Also whenever the underlying dictionary list undergoes a change (for example,
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* update the metadata, or finish downloading) the whole list has to be thrown out and recreated
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* in case some dictionaries appeared, disappeared, changed states etc.
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*/
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public class DictionaryListInterfaceState {
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static class State {
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public boolean mOpen = false;
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public int mStatus = MetadataDbHelper.STATUS_UNKNOWN;
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}
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private HashMap<String, State> mWordlistToState = new HashMap<>();
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private ArrayList<View> mViewCache = new ArrayList<>();
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public boolean isOpen(final String wordlistId) {
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final State state = mWordlistToState.get(wordlistId);
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if (null == state) return false;
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return state.mOpen;
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}
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public int getStatus(final String wordlistId) {
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final State state = mWordlistToState.get(wordlistId);
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if (null == state) return MetadataDbHelper.STATUS_UNKNOWN;
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return state.mStatus;
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}
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public void setOpen(final String wordlistId, final int status) {
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final State newState;
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final State state = mWordlistToState.get(wordlistId);
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newState = null == state ? new State() : state;
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newState.mOpen = true;
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newState.mStatus = status;
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mWordlistToState.put(wordlistId, newState);
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}
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public void closeAll() {
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for (final State state : mWordlistToState.values()) {
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state.mOpen = false;
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}
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}
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public View findFirstOrphanedView() {
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for (final View v : mViewCache) {
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if (null == v.getParent()) return v;
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}
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return null;
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}
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public View addToCacheAndReturnView(final View view) {
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mViewCache.add(view);
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return view;
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}
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public void removeFromCache(final View view) {
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mViewCache.remove(view);
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}
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}
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