Add ALLOW_METERED column to DownloadManager.

Also allow isActiveNetworkMetered() to inspect networks without
requiring ACCESS_WIFI_STATE.

Bug: 3001465
Change-Id: Ibc23577d4ad941e4f93db417be6b046881dcbfb1

Author: jsharkey

core/java/android/app/DownloadManager.java

@@ -347,9 +347,9 @@ public static class Request {
         private CharSequence mTitle;
         private CharSequence mDescription;
         private String mMimeType;
-        private boolean mRoamingAllowed = true;
         private int mAllowedNetworkTypes = ~0; // default to all network types allowed
-        private boolean mAllowedOverMetered = true;
+        private boolean mRoamingAllowed = true;
+        private boolean mMeteredAllowed = true;
         private boolean mIsVisibleInDownloadsUi = true;
         private boolean mScannable = false;
         private boolean mUseSystemCache = false;
@@ -623,17 +623,6 @@ public Request setAllowedNetworkTypes(int flags) {
             return this;
         }
 
-        /**
-         * Set whether this download may proceed over a metered network
-         * connection. By default, metered networks are allowed.
-         *
-         * @see ConnectivityManager#isActiveNetworkMetered()
-         */
-        public Request setAllowedOverMetered(boolean allow) {
-            mAllowedOverMetered = allow;
-            return this;
-        }
-
         /**
          * Set whether this download may proceed over a roaming connection.  By default, roaming is
          * allowed.
@@ -645,6 +634,17 @@ public Request setAllowedOverRoaming(boolean allowed) {
             return this;
         }
 
+        /**
+         * Set whether this download may proceed over a metered network
+         * connection. By default, metered networks are allowed.
+         *
+         * @see ConnectivityManager#isActiveNetworkMetered()
+         */
+        public Request setAllowedOverMetered(boolean allow) {
+            mMeteredAllowed = allow;
+            return this;
+        }
+
         /**
          * Set whether this download should be displayed in the system's Downloads UI. True by
          * default.
@@ -687,10 +687,10 @@ ContentValues toContentValues(String packageName) {
             putIfNonNull(values, Downloads.Impl.COLUMN_DESCRIPTION, mDescription);
             putIfNonNull(values, Downloads.Impl.COLUMN_MIME_TYPE, mMimeType);
 
-            // TODO: add COLUMN_ALLOW_METERED and persist
             values.put(Downloads.Impl.COLUMN_VISIBILITY, mNotificationVisibility);
             values.put(Downloads.Impl.COLUMN_ALLOWED_NETWORK_TYPES, mAllowedNetworkTypes);
             values.put(Downloads.Impl.COLUMN_ALLOW_ROAMING, mRoamingAllowed);
+            values.put(Downloads.Impl.COLUMN_ALLOW_METERED, mMeteredAllowed);
             values.put(Downloads.Impl.COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI, mIsVisibleInDownloadsUi);
 
             return values;
@@ -1340,9 +1340,6 @@ private long getErrorCode(int status) {
                 case Downloads.Impl.STATUS_FILE_ALREADY_EXISTS_ERROR:
                     return ERROR_FILE_ALREADY_EXISTS;
 
-                case Downloads.Impl.STATUS_BLOCKED:
-                    return ERROR_BLOCKED;
-
                 default:
                     return ERROR_UNKNOWN;
             }

core/java/android/provider/Downloads.java

@@ -328,6 +328,14 @@ private Impl() {}
          */
         public static final String COLUMN_IS_PUBLIC_API = "is_public_api";
 
+        /**
+         * The name of the column holding a bitmask of allowed network types.  This is only used for
+         * public API downloads.
+         * <P>Type: INTEGER</P>
+         * <P>Owner can Init/Read</P>
+         */
+        public static final String COLUMN_ALLOWED_NETWORK_TYPES = "allowed_network_types";
+
         /**
          * The name of the column indicating whether roaming connections can be used.  This is only
          * used for public API downloads.
@@ -337,12 +345,12 @@ private Impl() {}
         public static final String COLUMN_ALLOW_ROAMING = "allow_roaming";
 
         /**
-         * The name of the column holding a bitmask of allowed network types.  This is only used for
-         * public API downloads.
-         * <P>Type: INTEGER</P>
+         * The name of the column indicating whether metered connections can be used.  This is only
+         * used for public API downloads.
+         * <P>Type: BOOLEAN</P>
          * <P>Owner can Init/Read</P>
          */
-        public static final String COLUMN_ALLOWED_NETWORK_TYPES = "allowed_network_types";
+        public static final String COLUMN_ALLOW_METERED = "allow_metered";
 
         /**
          * Whether or not this download should be displayed in the system's Downloads UI.  Defaults
@@ -701,7 +709,10 @@ public static boolean isStatusCompleted(int status) {
          * blocked by {@link NetworkPolicyManager}.
          *
          * @hide
+         * @deprecated since behavior now uses
+         *             {@link #STATUS_WAITING_FOR_NETWORK}
          */
+        @Deprecated
         public static final int STATUS_BLOCKED = 498;
 
         /** {@hide} */

services/java/com/android/server/ConnectivityService.java

@@ -865,27 +865,39 @@ private NetworkState getNetworkStateUnchecked(int networkType) {
     @Override
     public NetworkQuotaInfo getActiveNetworkQuotaInfo() {
         enforceAccessPermission();
-        final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork);
-        if (state != null) {
-            try {
-                return mPolicyManager.getNetworkQuotaInfo(state);
-            } catch (RemoteException e) {
+
+        final long token = Binder.clearCallingIdentity();
+        try {
+            final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork);
+            if (state != null) {
+                try {
+                    return mPolicyManager.getNetworkQuotaInfo(state);
+                } catch (RemoteException e) {
+                }
             }
+            return null;
+        } finally {
+            Binder.restoreCallingIdentity(token);
         }
-        return null;
     }
 
     @Override
     public boolean isActiveNetworkMetered() {
         enforceAccessPermission();
-        final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork);
-        if (state != null) {
-            try {
-                return mPolicyManager.isNetworkMetered(state);
-            } catch (RemoteException e) {
+
+        final long token = Binder.clearCallingIdentity();
+        try {
+            final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork);
+            if (state != null) {
+                try {
+                    return mPolicyManager.isNetworkMetered(state);
+                } catch (RemoteException e) {
+                }
             }
+            return false;
+        } finally {
+            Binder.restoreCallingIdentity(token);
         }
-        return false;
     }
 
     public boolean setRadios(boolean turnOn) {