/*
* 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 android.content.pm;
import android.content.ComponentName;
import android.content.IntentFilter;
import android.graphics.drawable.Drawable;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Printer;
import android.util.Slog;
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 {
private static final String TAG = "ResolveInfo";
/**
* The activity or broadcast receiver that corresponds to this resolution
* match, if this resolution is for an activity or broadcast receiver.
* Exactly one of {@link #activityInfo}, {@link #serviceInfo}, or
* {@link #providerInfo} will be non-null.
*/
public ActivityInfo activityInfo;
/**
* The service that corresponds to this resolution match, if this resolution
* is for a service. Exactly one of {@link #activityInfo},
* {@link #serviceInfo}, or {@link #providerInfo} will be non-null.
*/
public ServiceInfo serviceInfo;
/**
* The provider that corresponds to this resolution match, if this
* resolution is for a provider. Exactly one of {@link #activityInfo},
* {@link #serviceInfo}, or {@link #providerInfo} will be non-null.
*/
public ProviderInfo providerInfo;
/**
* 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;
/**
* Optional -- if non-null, the {@link #labelRes} and {@link #icon}
* resources will be loaded from this package, rather than the one
* containing the resolved component.
*/
public String resolvePackageName;
/**
* If not equal to UserHandle.USER_CURRENT, then the intent will be forwarded to this user.
* @hide
*/
public int targetUserId;
/**
* @hide
*/
public boolean noResourceId;
/**
* @hide Target comes from system process?
*/
public boolean system;
private ComponentInfo getComponentInfo() {
if (activityInfo != null) return activityInfo;
if (serviceInfo != null) return serviceInfo;
if (providerInfo != null) return providerInfo;
throw new IllegalStateException("Missing ComponentInfo!");
}
/**
* 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;
}
CharSequence label;
if (resolvePackageName != null && labelRes != 0) {
label = pm.getText(resolvePackageName, labelRes, null);
if (label != null) {
return label.toString().trim();
}
}
ComponentInfo ci = getComponentInfo();
ApplicationInfo ai = ci.applicationInfo;
if (labelRes != 0) {
label = pm.getText(ci.packageName, labelRes, ai);
if (label != null) {
return label.toString().trim();
}
}
CharSequence data = ci.loadLabel(pm);
// Make the data safe
if (data != null) data = data.toString().trim();
return data;
}
/**
* 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) {
Drawable dr;
if (resolvePackageName != null && icon != 0) {
dr = pm.getDrawable(resolvePackageName, icon, null);
if (dr != null) {
return dr;
}
}
ComponentInfo ci = getComponentInfo();
ApplicationInfo ai = ci.applicationInfo;
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 (noResourceId) return 0;
if (icon != 0) return icon;
final ComponentInfo ci = getComponentInfo();
if (ci != null) {
return ci.getIconResource();
}
return 0;
}
public void dump(Printer pw, String prefix) {
if (filter != null) {
pw.println(prefix + "Filter:");
filter.dump(pw, prefix + " ");
}
pw.println(prefix + "priority=" + priority
+ " preferredOrder=" + preferredOrder
+ " match=0x" + Integer.toHexString(match)
+ " specificIndex=" + specificIndex
+ " isDefault=" + isDefault);
if (resolvePackageName != null) {
pw.println(prefix + "resolvePackageName=" + resolvePackageName);
}
if (labelRes != 0 || nonLocalizedLabel != null || icon != 0) {
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:");
serviceInfo.dump(pw, prefix + " ");
} else if (providerInfo != null) {
pw.println(prefix + "ProviderInfo:");
providerInfo.dump(pw, prefix + " ");
}
}
public ResolveInfo() {
targetUserId = UserHandle.USER_CURRENT;
}
public ResolveInfo(ResolveInfo orig) {
activityInfo = orig.activityInfo;
serviceInfo = orig.serviceInfo;
providerInfo = orig.providerInfo;
filter = orig.filter;
priority = orig.priority;
preferredOrder = orig.preferredOrder;
match = orig.match;
specificIndex = orig.specificIndex;
labelRes = orig.labelRes;
nonLocalizedLabel = orig.nonLocalizedLabel;
icon = orig.icon;
resolvePackageName = orig.resolvePackageName;
system = orig.system;
targetUserId = orig.targetUserId;
}
public String toString() {
final ComponentInfo ci = getComponentInfo();
StringBuilder sb = new StringBuilder(128);
sb.append("ResolveInfo{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(' ');
ComponentName.appendShortString(sb, ci.packageName, ci.name);
if (priority != 0) {
sb.append(" p=");
sb.append(priority);
}
if (preferredOrder != 0) {
sb.append(" o=");
sb.append(preferredOrder);
}
sb.append(" m=0x");
sb.append(Integer.toHexString(match));
if (targetUserId != UserHandle.USER_CURRENT) {
sb.append(" targetUserId=");
sb.append(targetUserId);
}
sb.append('}');
return sb.toString();
}
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 if (providerInfo != null) {
dest.writeInt(3);
providerInfo.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);
dest.writeString(resolvePackageName);
dest.writeInt(targetUserId);
dest.writeInt(system ? 1 : 0);
dest.writeInt(noResourceId ? 1 : 0);
}
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) {
activityInfo = null;
serviceInfo = null;
providerInfo = null;
switch (source.readInt()) {
case 1:
activityInfo = ActivityInfo.CREATOR.createFromParcel(source);
break;
case 2:
serviceInfo = ServiceInfo.CREATOR.createFromParcel(source);
break;
case 3:
providerInfo = ProviderInfo.CREATOR.createFromParcel(source);
break;
default:
Slog.w(TAG, "Missing ComponentInfo!");
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();
resolvePackageName = source.readString();
targetUserId = source.readInt();
system = source.readInt() != 0;
noResourceId = source.readInt() != 0;
}
public static class DisplayNameComparator
implements Comparator<ResolveInfo> {
public DisplayNameComparator(PackageManager pm) {
mPM = pm;
mCollator.setStrength(Collator.PRIMARY);
}
public final int compare(ResolveInfo a, ResolveInfo b) {
// We want to put the one targeted to another user at the end of the dialog.
if (a.targetUserId != UserHandle.USER_CURRENT) {
return 1;
}
if (b.targetUserId != UserHandle.USER_CURRENT) {
return -1;
}
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 mCollator.compare(sa.toString(), sb.toString());
}
private final Collator mCollator = Collator.getInstance();
private PackageManager mPM;
}
}
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