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/*
* 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
*
* 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 android.content.pm;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Parcel;
import android.text.TextUtils;
/**
* A special subclass of Intent that can have a custom label/icon
* associated with it. Primarily for use with {@link Intent#ACTION_CHOOSER}.
*/
public class LabeledIntent extends Intent {
private String mSourcePackage;
private int mLabelRes;
private CharSequence mNonLocalizedLabel;
private int mIcon;
/**
* Create a labeled intent from the given intent, supplying the label
* and icon resources for it.
*
* @param origIntent The original Intent to copy.
* @param sourcePackage The package in which the label and icon live.
* @param labelRes Resource containing the label, or 0 if none.
* @param icon Resource containing the icon, or 0 if none.
*/
public LabeledIntent(Intent origIntent, String sourcePackage,
int labelRes, int icon) {
super(origIntent);
mSourcePackage = sourcePackage;
mLabelRes = labelRes;
mNonLocalizedLabel = null;
mIcon = icon;
}
/**
* Create a labeled intent from the given intent, supplying a textual
* label and icon resource for it.
*
* @param origIntent The original Intent to copy.
* @param sourcePackage The package in which the label and icon live.
* @param nonLocalizedLabel Concrete text to use for the label.
* @param icon Resource containing the icon, or 0 if none.
*/
public LabeledIntent(Intent origIntent, String sourcePackage,
CharSequence nonLocalizedLabel, int icon) {
super(origIntent);
mSourcePackage = sourcePackage;
mLabelRes = 0;
mNonLocalizedLabel = nonLocalizedLabel;
mIcon = icon;
}
/**
* Create a labeled intent with no intent data but supplying the label
* and icon resources for it.
*
* @param sourcePackage The package in which the label and icon live.
* @param labelRes Resource containing the label, or 0 if none.
* @param icon Resource containing the icon, or 0 if none.
*/
public LabeledIntent(String sourcePackage, int labelRes, int icon) {
mSourcePackage = sourcePackage;
mLabelRes = labelRes;
mNonLocalizedLabel = null;
mIcon = icon;
}
/**
* Create a labeled intent with no intent data but supplying a textual
* label and icon resource for it.
*
* @param sourcePackage The package in which the label and icon live.
* @param nonLocalizedLabel Concrete text to use for the label.
* @param icon Resource containing the icon, or 0 if none.
*/
public LabeledIntent(String sourcePackage,
CharSequence nonLocalizedLabel, int icon) {
mSourcePackage = sourcePackage;
mLabelRes = 0;
mNonLocalizedLabel = nonLocalizedLabel;
mIcon = icon;
}
/**
* Return the name of the package holding label and icon resources.
*/
public String getSourcePackage() {
return mSourcePackage;
}
/**
* Return any resource identifier that has been given for the label text.
*/
public int getLabelResource() {
return mLabelRes;
}
/**
* Return any concrete text that has been given for the label text.
*/
public CharSequence getNonLocalizedLabel() {
return mNonLocalizedLabel;
}
/**
* Return any resource identifier that has been given for the label icon.
*/
public int getIconResource() {
return mIcon;
}
/**
* Retrieve the label associated with this object. If the object does
* not have a label, null will be returned, in which case you will probably
* want to load the label from the underlying resolved info for the Intent.
*/
public CharSequence loadLabel(PackageManager pm) {
if (mNonLocalizedLabel != null) {
return mNonLocalizedLabel;
}
if (mLabelRes != 0 && mSourcePackage != null) {
CharSequence label = pm.getText(mSourcePackage, mLabelRes, null);
if (label != null) {
return label;
}
}
return null;
}
/**
* Retrieve the icon associated with this object. If the object does
* not have a icon, null will be returned, in which case you will probably
* want to load the icon from the underlying resolved info for the Intent.
*/
public Drawable loadIcon(PackageManager pm) {
if (mIcon != 0 && mSourcePackage != null) {
Drawable icon = pm.getDrawable(mSourcePackage, mIcon, null);
if (icon != null) {
return icon;
}
}
return null;
}
public void writeToParcel(Parcel dest, int parcelableFlags) {
super.writeToParcel(dest, parcelableFlags);
dest.writeString(mSourcePackage);
dest.writeInt(mLabelRes);
TextUtils.writeToParcel(mNonLocalizedLabel, dest, parcelableFlags);
dest.writeInt(mIcon);
}
/** @hide */
protected LabeledIntent(Parcel in) {
readFromParcel(in);
}
public void readFromParcel(Parcel in) {
super.readFromParcel(in);
mSourcePackage = in.readString();
mLabelRes = in.readInt();
mNonLocalizedLabel = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
mIcon = in.readInt();
}
public static final Creator<LabeledIntent> CREATOR
= new Creator<LabeledIntent>() {
public LabeledIntent createFromParcel(Parcel source) {
return new LabeledIntent(source);
}
public LabeledIntent[] newArray(int size) {
return new LabeledIntent[size];
}
};
}
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