| /* |
| * 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.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 or broadcast receiver that corresponds to this resolution match, |
| * if this resolution is for an activity or broadcast receiver. 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; |
| |
| /** |
| * 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; |
| |
| /** |
| * @hide Target comes from system process? |
| */ |
| public boolean system; |
| |
| /** |
| * 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 = activityInfo != null ? activityInfo : serviceInfo; |
| 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 = activityInfo != null ? activityInfo : serviceInfo; |
| 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 (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 + " "); |
| } |
| 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 + " "); |
| } |
| } |
| |
| 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); |
| dest.writeString(resolvePackageName); |
| dest.writeInt(system ? 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) { |
| 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(); |
| resolvePackageName = source.readString(); |
| system = source.readInt() != 0; |
| } |
| |
| 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; |
| } |
| } |