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The Android Open Source Project
2009-03-03 18:28:52 -08:00
parent a578a6c4ad
commit 4e14e5ccbf
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src/com/android/settings/quicklaunch/ShortcutPreference.java
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/*
* Copyright (C) 2007 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.quicklaunch;
import com.android.settings.R;
import android.content.Context;
import android.content.res.ColorStateList;
import android.preference.Preference;
import android.util.TypedValue;
import android.view.View;
import android.widget.TextView;
/**
* Preference type for a shortcut in {@link QuickLaunchSettings}.
*/
public class ShortcutPreference extends Preference implements Comparable<Preference> {
private static Object sStaticVarsLock = new Object();
// These static fields are used across all instances of ShortcutPreference.
// There will be many ShortcutPreference instances (~36 for US).
private static String STRING_ASSIGN_APPLICATION;
private static String STRING_NO_SHORTCUT;
private static int sDimAlpha;
private static ColorStateList sRegularTitleColor;
private static ColorStateList sDimTitleColor;
private static ColorStateList sRegularSummaryColor;
private static ColorStateList sDimSummaryColor;
private char mShortcut;
private boolean mHasBookmark;
public ShortcutPreference(Context context, char shortcut) {
super(context);
synchronized (sStaticVarsLock) {
// Init statics. This should only happen for the first ShortcutPreference created,
// the rest will already have them initialized.
if (STRING_ASSIGN_APPLICATION == null) {
STRING_ASSIGN_APPLICATION = context.getString(R.string.quick_launch_assign_application);
STRING_NO_SHORTCUT = context.getString(R.string.quick_launch_no_shortcut);
TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(android.R.attr.disabledAlpha, outValue, true);
sDimAlpha = (int) (outValue.getFloat() * 255);
}
}
mShortcut = shortcut;
setWidgetLayoutResource(R.layout.preference_widget_shortcut);
}
public char getShortcut() {
return mShortcut;
}
public void setShortcut(char shortcut) {
if (shortcut != mShortcut) {
mShortcut = shortcut;
notifyChanged();
}
}
public boolean hasBookmark() {
return mHasBookmark;
}
public void setHasBookmark(boolean hasBookmark) {
if (hasBookmark != mHasBookmark) {
mHasBookmark = hasBookmark;
notifyChanged();
}
}
@Override
public CharSequence getTitle() {
return mHasBookmark ? super.getTitle() : STRING_ASSIGN_APPLICATION;
}
@Override
public CharSequence getSummary() {
return mHasBookmark ? super.getSummary() : STRING_NO_SHORTCUT;
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
TextView shortcutView = (TextView) view.findViewById(R.id.shortcut);
if (shortcutView != null) {
shortcutView.setText(String.valueOf(mShortcut));
}
TextView titleView = (TextView) view.findViewById(android.R.id.title);
synchronized (sStaticVarsLock) {
if (sRegularTitleColor == null) {
sRegularTitleColor = titleView.getTextColors();
sDimTitleColor = sRegularTitleColor.withAlpha(sDimAlpha);
}
}
ColorStateList color = mHasBookmark ? sRegularTitleColor : sDimTitleColor;
if (color != null) {
titleView.setTextColor(color);
}
TextView summaryView = (TextView) view.findViewById(android.R.id.summary);
synchronized (sStaticVarsLock) {
if (sRegularSummaryColor == null) {
sRegularSummaryColor = summaryView.getTextColors();
sDimSummaryColor = sRegularSummaryColor.withAlpha(sDimAlpha);
}
}
color = mHasBookmark ? sRegularSummaryColor : sDimSummaryColor;
if (color != null) {
summaryView.setTextColor(color);
}
}
public int compareTo(Preference another) {
if (!(another instanceof ShortcutPreference)) return super.compareTo(another);
// Letters before digits
char other = ((ShortcutPreference) another).mShortcut;
if (Character.isDigit(mShortcut) && Character.isLetter(other)) return 1;
else if (Character.isDigit(other) && Character.isLetter(mShortcut)) return -1;
else return mShortcut - other;
}
}