AI 147845: Compatibility mode support. Part 1

  Adding supports-density tag to manifest file/ApplicationInfo.
  BUG=1752478

Automated import of CL 147845

4 files changed, 69 insertions, 4 deletions

diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index 8d727ed..173057c 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -161,6 +161,14 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
      */
     public int uid;
     
+
+    /**
+     * The list of densities in DPI that application supprots. This
+     * field is only set if the {@link PackageManager#GET_SUPPORTS_DENSITIES} flag was
+     * used when retrieving the structure.
+     */
+    public int[] supportsDensities;
+
     /**
      * When false, indicates that all components within this application are
      * considered disabled, regardless of their individually set enabled status.
@@ -181,8 +189,9 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
         pw.println(prefix + "sharedLibraryFiles=" + sharedLibraryFiles);
         pw.println(prefix + "dataDir=" + dataDir);
         pw.println(prefix + "enabled=" + enabled);
-        pw.println(prefix+"manageSpaceActivityName="+manageSpaceActivityName);
-        pw.println(prefix+"description=0x"+Integer.toHexString(descriptionRes));
+        pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName);
+        pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes));
+        pw.println(prefix + "supportsDensities=" + supportsDensities);
         super.dumpBack(pw, prefix);
     }
     
@@ -228,6 +237,7 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
         enabled = orig.enabled;
         manageSpaceActivityName = orig.manageSpaceActivityName;
         descriptionRes = orig.descriptionRes;
+        supportsDensities = orig.supportsDensities;
     }
 
 
@@ -257,6 +267,7 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
         dest.writeInt(enabled ? 1 : 0);
         dest.writeString(manageSpaceActivityName);
         dest.writeInt(descriptionRes);
+        dest.writeIntArray(supportsDensities);
     }
 
     public static final Parcelable.Creator<ApplicationInfo> CREATOR
@@ -285,8 +296,9 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable {
         enabled = source.readInt() != 0;
         manageSpaceActivityName = source.readString();
         descriptionRes = source.readInt();
+        supportsDensities = source.createIntArray();
     }
-    
+
     /**
      * Retrieve the textual description of the application.  This
      * will call back on the given PackageManager to load the description from
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 3e94734..9e06666 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -166,6 +166,12 @@ public abstract class PackageManager {
     public static final int GET_CONFIGURATIONS = 0x00004000;
 
     /**
+     * {@link ApplicationInfo} flag: return the
+     * {@link ApplicationInfo#supportsDensities} that the package supports.
+     */
+    public static final int GET_SUPPORTS_DENSITIES    = 0x00008000;
+
+    /**
      * Permission check result: this is returned by {@link #checkPermission}
      * if the permission has been granted to the given package.
      */
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 2dcb483..7a873f8 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -45,6 +45,7 @@ import java.security.cert.CertificateEncodingException;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.Iterator;
+import java.util.List;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
@@ -726,6 +727,14 @@ public class PackageParser {
             pkg.usesLibraries.toArray(pkg.usesLibraryFiles);
         }
 
+        int size = pkg.supportsDensityList.size();
+        if (size > 0) {
+            int densities[] = pkg.supportsDensities = new int[size];
+            List<Integer> densityList = pkg.supportsDensityList;
+            for (int i = 0; i < size; i++) {
+                densities[i] = densityList.get(i);
+            }
+        }
         return pkg;
     }
 
@@ -1173,6 +1182,21 @@ public class PackageParser {
 
                 XmlUtils.skipCurrentTag(parser);
 
+            } else if (tagName.equals("supports-density")) {
+                sa = res.obtainAttributes(attrs,
+                        com.android.internal.R.styleable.AndroidManifestSupportsDensity);
+
+                int density = sa.getInteger(
+                        com.android.internal.R.styleable.AndroidManifestSupportsDensity_density, -1);
+
+                sa.recycle();
+
+                if (density != -1 && !owner.supportsDensityList.contains(density)) {
+                    owner.supportsDensityList.add(density);
+                }
+
+                XmlUtils.skipCurrentTag(parser);
+
             } else {
                 if (!RIGID_PARSER) {
                     Log.w(TAG, "Problem in package " + mArchiveSourcePath + ":");
@@ -2035,6 +2059,9 @@ public class PackageParser {
         // We store the application meta-data independently to avoid multiple unwanted references
         public Bundle mAppMetaData = null;
 
+        public final ArrayList<Integer> supportsDensityList = new ArrayList<Integer>();
+        public int[] supportsDensities = null;
+
         // If this is a 3rd party app, this is the path of the zip file.
         public String mPath;
 
@@ -2149,6 +2176,10 @@ public class PackageParser {
                 && p.usesLibraryFiles != null) {
             return true;
         }
+        if ((flags & PackageManager.GET_SUPPORTS_DENSITIES) != 0
+            && p.supportsDensities != null) {
+            return true;
+        }
         return false;
     }
 
@@ -2166,6 +2197,9 @@ public class PackageParser {
         if ((flags & PackageManager.GET_SHARED_LIBRARY_FILES) != 0) {
             ai.sharedLibraryFiles = p.usesLibraryFiles;
         }
+        if ((flags & PackageManager.GET_SUPPORTS_DENSITIES) != 0) {
+            ai.supportsDensities = p.supportsDensities;
+        }
         return ai;
     }
 
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index b87cc42..34e65ad 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -953,7 +953,20 @@ public interface WindowManager extends ViewManager {
             sb.append('}');
             return sb.toString();
         }
-    
+
+        void scaleUp(float scale) {
+            if (scale != 1.0f) {
+                x *= scale;
+                y *= scale;
+                if (width > 0) {
+                    width *= scale;
+                }
+                if (height > 0) {
+                    height *= scale;
+                }
+            }
+        }
+
         private CharSequence mTitle = "";
     }
 }