content: /*
   * Copyright (C) 2008 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.annotation.UnsupportedAppUsage;
  import android.content.ComponentName;
  import android.graphics.drawable.Drawable;
  import android.os.Parcel;
  import android.os.Parcelable;
  import android.util.Printer;
  
  /**
   * Base class containing information common to all application components
   * ({@link ActivityInfo}, {@link ServiceInfo}).  This class is not intended
   * to be used by itself; it is simply here to share common definitions
   * between all application components.  As such, it does not itself
   * implement Parcelable, but does provide convenience methods to assist
   * in the implementation of Parcelable in subclasses.
   */
  public class ComponentInfo extends PackageItemInfo {
      /**
       * Global information about the application/package this component is a
       * part of.
       */
      public ApplicationInfo applicationInfo;
      
      /**
       * The name of the process this component should run in.
       * From the "android:process" attribute or, if not set, the same
       * as <var>applicationInfo.processName</var>.
       */
      public String processName;
  
      /**
       * The name of the split in which this component is declared.
       * Null if the component was declared in the base APK.
       */
      public String splitName;
  
      /**
       * A string resource identifier (in the package's resources) containing
       * a user-readable description of the component.  From the "description"
       * attribute or, if not set, 0.
       */
      public int descriptionRes;
      
      /**
       * Indicates whether or not this component may be instantiated.  Note that this value can be
       * overridden by the one in its parent {@link ApplicationInfo}.
       */
      public boolean enabled = true;
  
      /**
       * Set to true if this component is available for use by other applications.
       * Comes from {@link android.R.attr#exported android:exported} of the
       * &lt;activity&gt;, &lt;receiver&gt;, &lt;service&gt;, or
       * &lt;provider&gt; tag.
       */
      public boolean exported = false;
  
      /**
       * Indicates if this component is aware of direct boot lifecycle, and can be
       * safely run before the user has entered their credentials (such as a lock
       * pattern or PIN).
       */
      public boolean directBootAware = false;
  
      /** @removed */
      @Deprecated
      public boolean encryptionAware = false;
  
      public ComponentInfo() {
      }
  
      public ComponentInfo(ComponentInfo orig) {
          super(orig);
          applicationInfo = orig.applicationInfo;
          processName = orig.processName;
          splitName = orig.splitName;
          descriptionRes = orig.descriptionRes;
          enabled = orig.enabled;
          exported = orig.exported;
          encryptionAware = directBootAware = orig.directBootAware;
      }
  
      /** @hide */
      @Override public CharSequence loadUnsafeLabel(PackageManager pm) {
          if (nonLocalizedLabel != null) {
              return nonLocalizedLabel;
          }
          ApplicationInfo ai = applicationInfo;
          CharSequence label;
          if (labelRes != 0) {
              label = pm.getText(packageName, labelRes, ai);
              if (label != null) {
                  return label;
              }
          }
          if (ai.nonLocalizedLabel != null) {
              return ai.nonLocalizedLabel;
          }
          if (ai.labelRes != 0) {
              label = pm.getText(packageName, ai.labelRes, ai);
              if (label != null) {
                  return label;
              }
          }
          return name;
      }
  
      /**
       * Return whether this component and its enclosing application are enabled.
       */
      public boolean isEnabled() {
          return enabled && applicationInfo.enabled;
      }
      
      /**
       * Return the icon resource identifier to use for this component.  If
       * the component defines an icon, that is used; else, the application
       * icon is used.
       * 
       * @return The icon associated with this component.
       */
      public final int getIconResource() {
          return icon != 0 ? icon : applicationInfo.icon;
      }
  
      /**
       * Return the logo resource identifier to use for this component.  If
       * the component defines a logo, that is used; else, the application
       * logo is used.
       *
       * @return The logo associated with this component.
       */
      public final int getLogoResource() {
          return logo != 0 ? logo : applicationInfo.logo;
      }
      
      /**
       * Return the banner resource identifier to use for this component. If the
       * component defines a banner, that is used; else, the application banner is
       * used.
       *
       * @return The banner associated with this component.
       */
      public final int getBannerResource() {
          return banner != 0 ? banner : applicationInfo.banner;
      }
  
      /** {@hide} */
      @UnsupportedAppUsage
      public ComponentName getComponentName() {
          return new ComponentName(packageName, name);
      }
  
      protected void dumpFront(Printer pw, String prefix) {
          super.dumpFront(pw, prefix);
          if (processName != null && !packageName.equals(processName)) {
              pw.println(prefix + "processName=" + processName);
          }
          if (splitName != null) {
              pw.println(prefix + "splitName=" + splitName);
          }
          pw.println(prefix + "enabled=" + enabled + " exported=" + exported
                  + " directBootAware=" + directBootAware);
          if (descriptionRes != 0) {
              pw.println(prefix + "description=" + descriptionRes);
          }
      }
  
      protected void dumpBack(Printer pw, String prefix) {
          dumpBack(pw, prefix, DUMP_FLAG_ALL);
      }
  
      void dumpBack(Printer pw, String prefix, int dumpFlags) {
          if ((dumpFlags & DUMP_FLAG_APPLICATION) != 0) {
              if (applicationInfo != null) {
                  pw.println(prefix + "ApplicationInfo:");
                  applicationInfo.dump(pw, prefix + "  ", dumpFlags);
              } else {
                  pw.println(prefix + "ApplicationInfo: null");
              }
          }
          super.dumpBack(pw, prefix);
      }
  
      public void writeToParcel(Parcel dest, int parcelableFlags) {
          super.writeToParcel(dest, parcelableFlags);
          if ((parcelableFlags & Parcelable.PARCELABLE_ELIDE_DUPLICATES) != 0) {
              dest.writeInt(0);
          } else {
              dest.writeInt(1);
              applicationInfo.writeToParcel(dest, parcelableFlags);
          }
          dest.writeString(processName);
          dest.writeString(splitName);
          dest.writeInt(descriptionRes);
          dest.writeInt(enabled ? 1 : 0);
          dest.writeInt(exported ? 1 : 0);
          dest.writeInt(directBootAware ? 1 : 0);
      }
      
      protected ComponentInfo(Parcel source) {
          super(source);
          final boolean hasApplicationInfo = (source.readInt() != 0);
          if (hasApplicationInfo) {
              applicationInfo = ApplicationInfo.CREATOR.createFromParcel(source);
          }
          processName = source.readString();
          splitName = source.readString();
          descriptionRes = source.readInt();
          enabled = (source.readInt() != 0);
          exported = (source.readInt() != 0);
          encryptionAware = directBootAware = (source.readInt() != 0);
      }
  
      /**
       * @hide
       */
      @Override
      public Drawable loadDefaultIcon(PackageManager pm) {
          return applicationInfo.loadIcon(pm);
      }
      
      /**
       * @hide
       */
      @Override protected Drawable loadDefaultBanner(PackageManager pm) {
          return applicationInfo.loadBanner(pm);
      }
  
      /**
       * @hide
       */
      @Override
      protected Drawable loadDefaultLogo(PackageManager pm) {
          return applicationInfo.loadLogo(pm);
      }
      
      /**
       * @hide
       */
      @Override protected ApplicationInfo getApplicationInfo() {
          return applicationInfo;
      }
  }
  