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/*
* Copyright (C) 2011 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.inputmethod.latin.suggestions;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardActionListener;
import com.android.inputmethod.keyboard.MoreKeysKeyboardView;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.SuggestedWords;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
import com.android.inputmethod.latin.suggestions.MoreSuggestions.MoreSuggestionKey;
/**
* A view that renders a virtual {@link MoreSuggestions}. It handles rendering of keys and detecting
* key presses and touch movements.
*/
public final class MoreSuggestionsView extends MoreKeysKeyboardView {
private static final String TAG = MoreSuggestionsView.class.getSimpleName();
public static abstract class MoreSuggestionsListener extends KeyboardActionListener.Adapter {
public abstract void onSuggestionSelected(final SuggestedWordInfo info);
}
private boolean mIsInModalMode;
public MoreSuggestionsView(final Context context, final AttributeSet attrs) {
this(context, attrs, R.attr.moreKeysKeyboardViewStyle);
}
public MoreSuggestionsView(final Context context, final AttributeSet attrs,
final int defStyle) {
super(context, attrs, defStyle);
}
// TODO: Remove redundant override method.
@Override
public void setKeyboard(final Keyboard keyboard) {
super.setKeyboard(keyboard);
mIsInModalMode = false;
// With accessibility mode off, {@link #mAccessibilityDelegate} is set to null at the
// above {@link MoreKeysKeyboardView#setKeyboard(Keyboard)} call.
// With accessibility mode on, {@link #mAccessibilityDelegate} is set to a
// {@link MoreKeysKeyboardAccessibilityDelegate} object at the above
// {@link MoreKeysKeyboardView#setKeyboard(Keyboard)} call.
if (mAccessibilityDelegate != null) {
mAccessibilityDelegate.setOpenAnnounce(R.string.spoken_open_more_suggestions);
mAccessibilityDelegate.setCloseAnnounce(R.string.spoken_close_more_suggestions);
}
}
@Override
protected int getDefaultCoordX() {
final MoreSuggestions pane = (MoreSuggestions)getKeyboard();
return pane.mOccupiedWidth / 2;
}
public void updateKeyboardGeometry(final int keyHeight) {
updateKeyDrawParams(keyHeight);
}
public void setModalMode() {
mIsInModalMode = true;
// Set vertical correction to zero (Reset more keys keyboard sliding allowance
// {@link R#dimen.config_more_keys_keyboard_slide_allowance}).
mKeyDetector.setKeyboard(getKeyboard(), -getPaddingLeft(), -getPaddingTop());
}
public boolean isInModalMode() {
return mIsInModalMode;
}
@Override
protected void onKeyInput(final Key key, final int x, final int y) {
if (!(key instanceof MoreSuggestionKey)) {
Log.e(TAG, "Expected key is MoreSuggestionKey, but found "
+ key.getClass().getName());
return;
}
final Keyboard keyboard = getKeyboard();
if (!(keyboard instanceof MoreSuggestions)) {
Log.e(TAG, "Expected keyboard is MoreSuggestions, but found "
+ keyboard.getClass().getName());
return;
}
final SuggestedWords suggestedWords = ((MoreSuggestions)keyboard).mSuggestedWords;
final int index = ((MoreSuggestionKey)key).mSuggestedWordIndex;
if (index < 0 || index >= suggestedWords.size()) {
Log.e(TAG, "Selected suggestion has an illegal index: " + index);
return;
}
if (!(mListener instanceof MoreSuggestionsListener)) {
Log.e(TAG, "Expected mListener is MoreSuggestionsListener, but found "
+ mListener.getClass().getName());
return;
}
((MoreSuggestionsListener)mListener).onSuggestionSelected(suggestedWords.getInfo(index));
}
}
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