package android.content.pm;
import android.content.IntentFilter;
import android.graphics.drawable.Drawable;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
import android.util.Printer;
import java.text.Collator;
import java.util.Comparator;
/**
* Information that is returned from resolving an intent
* against an IntentFilter. This partially corresponds to
* information collected from the AndroidManifest.xml's
* <intent> tags.
*/
public class ResolveInfo implements Parcelable {
/**
* The activity that corresponds to this resolution match, if this
* resolution is for an activity. One and only one of this and
* serviceInfo must be non-null.
*/
public ActivityInfo activityInfo;
/**
* The service that corresponds to this resolution match, if this
* resolution is for a service. One and only one of this and
* activityInfo must be non-null.
*/
public ServiceInfo serviceInfo;
/**
* The IntentFilter that was matched for this ResolveInfo.
*/
public IntentFilter filter;
/**
* The declared priority of this match. Comes from the "priority"
* attribute or, if not set, defaults to 0. Higher values are a higher
* priority.
*/
public int priority;
/**
* Order of result according to the user's preference. If the user
* has not set a preference for this result, the value is 0; higher
* values are a higher priority.
*/
public int preferredOrder;
/**
* The system's evaluation of how well the activity matches the
* IntentFilter. This is a match constant, a combination of
* {@link IntentFilter#MATCH_CATEGORY_MASK IntentFilter.MATCH_CATEGORY_MASK}
* and {@link IntentFilter#MATCH_ADJUSTMENT_MASK IntentFiler.MATCH_ADJUSTMENT_MASK}.
*/
public int match;
/**
* Only set when returned by
* {@link PackageManager#queryIntentActivityOptions}, this tells you
* which of the given specific intents this result came from. 0 is the
* first in the list, < 0 means it came from the generic Intent query.
*/
public int specificIndex = -1;
/**
* This filter has specified the Intent.CATEGORY_DEFAULT, meaning it
* would like to be considered a default action that the user can
* perform on this data.
*/
public boolean isDefault;
/**
* A string resource identifier (in the package's resources) of this
* match's label. From the "label" attribute or, if not set, 0.
*/
public int labelRes;
/**
* The actual string retrieve from <var>labelRes</var> or null if none
* was provided.
*/
public CharSequence nonLocalizedLabel;
/**
* A drawable resource identifier (in the package's resources) of this
* match's icon. From the "icon" attribute or, if not set, 0.
*/
public int icon;
/**
* Retrieve the current textual label associated with this resolution. This
* will call back on the given PackageManager to load the label from
* the application.
*
* @param pm A PackageManager from which the label can be loaded; usually
* the PackageManager from which you originally retrieved this item.
*
* @return Returns a CharSequence containing the resolutions's label. If the
* item does not have a label, its name is returned.
*/
public CharSequence loadLabel(PackageManager pm) {
if (nonLocalizedLabel != null) {
return nonLocalizedLabel;
}
ComponentInfo ci = activityInfo != null ? activityInfo : serviceInfo;
ApplicationInfo ai = ci.applicationInfo;
CharSequence label;
if (labelRes != 0) {
label = pm.getText(ci.packageName, labelRes, ai);
if (label != null) {
return label;
}
}
return ci.loadLabel(pm);
}
/**
* Retrieve the current graphical icon associated with this resolution. This
* will call back on the given PackageManager to load the icon from
* the application.
*
* @param pm A PackageManager from which the icon can be loaded; usually
* the PackageManager from which you originally retrieved this item.
*
* @return Returns a Drawable containing the resolution's icon. If the
* item does not have an icon, the default activity icon is returned.
*/
public Drawable loadIcon(PackageManager pm) {
ComponentInfo ci = activityInfo != null ? activityInfo : serviceInfo;
ApplicationInfo ai = ci.applicationInfo;
Drawable dr;
if (icon != 0) {
dr = pm.getDrawable(ci.packageName, icon, ai);
if (dr != null) {
return dr;
}
}
return ci.loadIcon(pm);
}
/**
* Return the icon resource identifier to use for this match. If the
* match defines an icon, that is used; else if the activity defines
* an icon, that is used; else, the application icon is used.
*
* @return The icon associated with this match.
*/
public final int getIconResource() {
if (icon != 0) return icon;
if (activityInfo != null) return activityInfo.getIconResource();
if (serviceInfo != null) return serviceInfo.getIconResource();
return 0;
}
public void dump(Printer pw, String prefix) {
if (filter != null) {
pw.println(prefix + "Filter:");
filter.dump(pw, prefix + " ");
} else {
pw.println(prefix + "Filter: null");
}
pw.println(prefix + "priority=" + priority
+ " preferredOrder=" + preferredOrder
+ " match=0x" + Integer.toHexString(match)
+ " specificIndex=" + specificIndex
+ " isDefault=" + isDefault);
pw.println(prefix + "labelRes=0x" + Integer.toHexString(labelRes)
+ " nonLocalizedLabel=" + nonLocalizedLabel
+ " icon=0x" + Integer.toHexString(icon));
if (activityInfo != null) {
pw.println(prefix + "ActivityInfo:");
activityInfo.dump(pw, prefix + " ");
} else if (serviceInfo != null) {
pw.println(prefix + "ServiceInfo:");
// TODO
//serviceInfo.dump(pw, prefix + " ");
}
}
public ResolveInfo() {
}
public String toString() {
ComponentInfo ci = activityInfo != null ? activityInfo : serviceInfo;
return "ResolveInfo{"
+ Integer.toHexString(System.identityHashCode(this))
+ " " + ci.name + " p=" + priority + " o="
+ preferredOrder + " m=0x" + Integer.toHexString(match) + "}";
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int parcelableFlags) {
if (activityInfo != null) {
dest.writeInt(1);
activityInfo.writeToParcel(dest, parcelableFlags);
} else if (serviceInfo != null) {
dest.writeInt(2);
serviceInfo.writeToParcel(dest, parcelableFlags);
} else {
dest.writeInt(0);
}
if (filter != null) {
dest.writeInt(1);
filter.writeToParcel(dest, parcelableFlags);
} else {
dest.writeInt(0);
}
dest.writeInt(priority);
dest.writeInt(preferredOrder);
dest.writeInt(match);
dest.writeInt(specificIndex);
dest.writeInt(labelRes);
TextUtils.writeToParcel(nonLocalizedLabel, dest, parcelableFlags);
dest.writeInt(icon);
}
public static final Creator<ResolveInfo> CREATOR
= new Creator<ResolveInfo>() {
public ResolveInfo createFromParcel(Parcel source) {
return new ResolveInfo(source);
}
public ResolveInfo[] newArray(int size) {
return new ResolveInfo[size];
}
};
private ResolveInfo(Parcel source) {
switch (source.readInt()) {
case 1:
activityInfo = ActivityInfo.CREATOR.createFromParcel(source);
serviceInfo = null;
break;
case 2:
serviceInfo = ServiceInfo.CREATOR.createFromParcel(source);
activityInfo = null;
break;
default:
activityInfo = null;
serviceInfo = null;
break;
}
if (source.readInt() != 0) {
filter = IntentFilter.CREATOR.createFromParcel(source);
}
priority = source.readInt();
preferredOrder = source.readInt();
match = source.readInt();
specificIndex = source.readInt();
labelRes = source.readInt();
nonLocalizedLabel
= TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
icon = source.readInt();
}
public static class DisplayNameComparator
implements Comparator<ResolveInfo> {
public DisplayNameComparator(PackageManager pm) {
mPM = pm;
}
public final int compare(ResolveInfo a, ResolveInfo b) {
CharSequence sa = a.loadLabel(mPM);
if (sa == null) sa = a.activityInfo.name;
CharSequence sb = b.loadLabel(mPM);
if (sb == null) sb = b.activityInfo.name;
return sCollator.compare(sa.toString(), sb.toString());
}
private final Collator sCollator = Collator.getInstance();
private PackageManager mPM;
}
}
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