1 files changed, 201 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java
new file mode 100644
index 000000000..329b95ebc
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2014-2015 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.adapter;
+
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.support.v4.app.Fragment;
+import android.support.v4.content.CursorLoader;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.linked.LinkedIdentity;
+import org.sufficientlysecure.keychain.pgp.linked.LinkedResource;
+import org.sufficientlysecure.keychain.pgp.linked.RawLinkedIdentity;
+import org.sufficientlysecure.keychain.pgp.linked.resources.DnsResource;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
+import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
+
+import java.io.IOException;
+import java.util.WeakHashMap;
+
+
+public class LinkedIdsAdapter extends UserAttributesAdapter {
+    protected LayoutInflater mInflater;
+    WeakHashMap<Integer,RawLinkedIdentity> mLinkedIdentityCache = new WeakHashMap<>();
+
+    public LinkedIdsAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+        mInflater = LayoutInflater.from(context);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+
+        RawLinkedIdentity id = getItem(cursor.getPosition());
+        ViewHolder holder = (ViewHolder) view.getTag();
+
+        int isVerified = cursor.getInt(INDEX_VERIFIED);
+        switch (isVerified) {
+            case Certs.VERIFIED_SECRET:
+                KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                        null, State.VERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                break;
+            case Certs.VERIFIED_SELF:
+                KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                        null, State.UNVERIFIED, KeyFormattingUtils.DEFAULT_COLOR);
+                break;
+            default:
+                KeyFormattingUtils.setStatusImage(mContext, holder.vVerified,
+                        null, State.INVALID, KeyFormattingUtils.DEFAULT_COLOR);
+                break;
+        }
+
+        if (holder instanceof ViewHolderNonRaw) {
+            ((ViewHolderNonRaw) holder).setData(mContext, (LinkedIdentity) id);
+        }
+
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        RawLinkedIdentity id = getItem(position);
+
+        if (id instanceof LinkedIdentity) {
+            LinkedResource res = ((LinkedIdentity) id).mResource;
+            if (res instanceof DnsResource) {
+                return 1;
+            }
+        }
+
+        return 0;
+    }
+
+    @Override
+    public int getViewTypeCount() {
+        return 2;
+    }
+
+    @Override
+    public RawLinkedIdentity getItem(int position) {
+        RawLinkedIdentity ret = mLinkedIdentityCache.get(position);
+        if (ret != null) {
+            return ret;
+        }
+
+        Cursor c = getCursor();
+        c.moveToPosition(position);
+
+        byte[] data = c.getBlob(INDEX_ATTRIBUTE_DATA);
+        try {
+            ret = LinkedIdentity.fromAttributeData(data);
+            mLinkedIdentityCache.put(position, ret);
+            return ret;
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
+            return null;
+        }
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        int type = getItemViewType(cursor.getPosition());
+        switch(type) {
+            case 0: {
+                View v = mInflater.inflate(R.layout.linked_id_item_unknown, null);
+                ViewHolder holder = new ViewHolder(v);
+                v.setTag(holder);
+                return v;
+            }
+            case 1: {
+                View v = mInflater.inflate(R.layout.linked_id_item_dns, null);
+                ViewHolder holder = new ViewHolderDns(v);
+                v.setTag(holder);
+                return v;
+            }
+            default:
+                throw new AssertionError("all cases must be covered in LinkedIdsAdapter.newView!");
+        }
+    }
+
+    // don't show revoked user ids, irrelevant for average users
+    public static final String LINKED_IDS_WHERE = UserPackets.IS_REVOKED + " = 0";
+
+    public static CursorLoader createLoader(Activity activity, Uri dataUri) {
+        Uri baseUri = UserPackets.buildLinkedIdsUri(dataUri);
+        return new CursorLoader(activity, baseUri,
+                UserIdsAdapter.USER_PACKETS_PROJECTION, LINKED_IDS_WHERE, null, null);
+    }
+
+    public Fragment getLinkedIdFragment(int position) {
+        RawLinkedIdentity id = getItem(position);
+
+        return LinkedIdViewFragment.newInstance(id);
+    }
+
+    static class ViewHolder {
+        ImageView vVerified;
+
+        ViewHolder(View view) {
+            vVerified = (ImageView) view.findViewById(R.id.user_id_item_certified);
+        }
+    }
+
+    static abstract class ViewHolderNonRaw extends ViewHolder {
+        ViewHolderNonRaw(View view) {
+            super(view);
+        }
+
+        abstract void setData(Context context, LinkedIdentity id);
+    }
+
+    static class ViewHolderDns extends ViewHolderNonRaw {
+        TextView vFqdn;
+
+        ViewHolderDns(View view) {
+            super(view);
+
+            vFqdn = (TextView) view.findViewById(R.id.linked_id_dns_fqdn);
+        }
+
+        @Override
+        void setData(Context context, LinkedIdentity id) {
+            DnsResource res = (DnsResource) id.mResource;
+            vFqdn.setText(res.getFqdn());
+        }
+
+    }
+
+    @Override
+    public void notifyDataSetChanged() {
+        mLinkedIdentityCache.clear();
+        super.notifyDataSetChanged();
+    }
+}