91 lines
3.2 KiB
Java
91 lines
3.2 KiB
Java
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/*
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* Copyright (C) 2014 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 com.android.inputmethod.keyboard.internal;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.widget.TextView;
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import com.android.inputmethod.keyboard.Key;
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import com.android.inputmethod.latin.R;
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/**
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* The pop up key preview view.
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*/
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public class KeyPreviewView extends TextView {
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public static final int POSITION_MIDDLE = 0;
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public static final int POSITION_LEFT = 1;
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public static final int POSITION_RIGHT = 2;
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public KeyPreviewView(final Context context, final AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public KeyPreviewView(final Context context, final AttributeSet attrs, final int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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setGravity(Gravity.CENTER);
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}
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public void setPreviewVisual(final Key key, final KeyboardIconsSet iconsSet,
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final KeyDrawParams drawParams) {
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// What we show as preview should match what we show on a key top in onDraw().
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final int iconId = key.getIconId();
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if (iconId != KeyboardIconsSet.ICON_UNDEFINED) {
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setCompoundDrawables(null, null, null, key.getPreviewIcon(iconsSet));
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setText(null);
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return;
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}
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setCompoundDrawables(null, null, null, null);
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setTextColor(drawParams.mPreviewTextColor);
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setTextSize(TypedValue.COMPLEX_UNIT_PX, key.selectPreviewTextSize(drawParams));
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setTypeface(key.selectPreviewTypeface(drawParams));
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// TODO Should take care of temporaryShiftLabel here.
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setText(key.getPreviewLabel());
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}
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// Background state set
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private static final int[][][] KEY_PREVIEW_BACKGROUND_STATE_TABLE = {
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{ // POSITION_MIDDLE
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{},
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{ R.attr.state_has_morekeys }
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},
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{ // POSITION_LEFT
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{ R.attr.state_left_edge },
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{ R.attr.state_left_edge, R.attr.state_has_morekeys }
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},
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{ // POSITION_RIGHT
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{ R.attr.state_right_edge },
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{ R.attr.state_right_edge, R.attr.state_has_morekeys }
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}
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};
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private static final int STATE_NORMAL = 0;
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private static final int STATE_HAS_MOREKEYS = 1;
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public void setPreviewBackground(final boolean hasMoreKeys, final int position) {
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final Drawable background = getBackground();
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if (background == null) {
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return;
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}
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final int hasMoreKeysState = hasMoreKeys ? STATE_HAS_MOREKEYS : STATE_NORMAL;
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background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[position][hasMoreKeysState]);
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}
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}
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