1 files changed, 238 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..5cf0e6e08
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/LinkedIdsAdapter.java
@@ -0,0 +1,238 @@
+/*
+ * 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.animation.ObjectAnimator;
+import android.app.Activity;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Build;
+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.linked.LinkedAttribute;
+import org.sufficientlysecure.keychain.linked.UriAttribute;
+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 org.sufficientlysecure.keychain.ui.util.SubtleAttentionSeeker;
+import org.sufficientlysecure.keychain.util.FilterCursorWrapper;
+
+import java.io.IOException;
+import java.util.WeakHashMap;
+
+public class LinkedIdsAdapter extends UserAttributesAdapter {
+    private final boolean mIsSecret;
+    protected LayoutInflater mInflater;
+    WeakHashMap<Integer,UriAttribute> mLinkedIdentityCache = new WeakHashMap<>();
+
+    private Cursor mUnfilteredCursor;
+
+    private TextView mExpander;
+
+    public LinkedIdsAdapter(Context context, Cursor c, int flags,
+            boolean isSecret, TextView expander) {
+        super(context, c, flags);
+        mInflater = LayoutInflater.from(context);
+        mIsSecret = isSecret;
+
+        if (expander != null) {
+            expander.setVisibility(View.GONE);
+            /* don't show an expander (maybe in some sort of advanced view?)
+            mExpander = expander;
+            mExpander.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    showUnfiltered();
+                }
+            });
+            */
+        }
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor cursor) {
+        if (cursor == null) {
+            mUnfilteredCursor = null;
+            return super.swapCursor(null);
+        }
+        mUnfilteredCursor = cursor;
+        FilterCursorWrapper filteredCursor = new FilterCursorWrapper(cursor) {
+            @Override
+            public boolean isVisible(Cursor cursor) {
+                UriAttribute id = getItemAtPosition(cursor);
+                return id instanceof LinkedAttribute;
+            }
+        };
+
+        if (mExpander != null) {
+            int hidden = filteredCursor.getHiddenCount();
+            if (hidden == 0) {
+                mExpander.setVisibility(View.GONE);
+            } else {
+                mExpander.setVisibility(View.VISIBLE);
+                mExpander.setText(mContext.getResources().getQuantityString(
+                        R.plurals.linked_id_expand, hidden));
+            }
+        }
+
+        return super.swapCursor(filteredCursor);
+    }
+
+    private void showUnfiltered() {
+        mExpander.setVisibility(View.GONE);
+        super.swapCursor(mUnfilteredCursor);
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+
+        ViewHolder holder = (ViewHolder) view.getTag();
+
+        if (!mIsSecret) {
+            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;
+            }
+        }
+
+        UriAttribute id = getItemAtPosition(cursor);
+        holder.setData(mContext, id);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            view.setTransitionName(id.mUri.toString());
+        }
+
+    }
+
+    public UriAttribute getItemAtPosition(Cursor cursor) {
+        int rank = cursor.getInt(INDEX_RANK);
+        Log.d(Constants.TAG, "requested rank: " + rank);
+
+        UriAttribute ret = mLinkedIdentityCache.get(rank);
+        if (ret != null) {
+            Log.d(Constants.TAG, "cached!");
+            return ret;
+        }
+        Log.d(Constants.TAG, "not cached!");
+
+        try {
+            byte[] data = cursor.getBlob(INDEX_ATTRIBUTE_DATA);
+            ret = LinkedAttribute.fromAttributeData(data);
+            mLinkedIdentityCache.put(rank, ret);
+            return ret;
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "could not read linked identity subpacket data", e);
+            return null;
+        }
+    }
+
+    @Override
+    public UriAttribute getItem(int position) {
+        Cursor cursor = getCursor();
+        cursor.moveToPosition(position);
+        return getItemAtPosition(cursor);
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        View v = mInflater.inflate(R.layout.linked_id_item, null);
+        ViewHolder holder = new ViewHolder(v);
+        v.setTag(holder);
+        return v;
+    }
+
+    // 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 LinkedIdViewFragment getLinkedIdFragment(Uri baseUri,
+            int position, byte[] fingerprint) throws IOException {
+        Cursor c = getCursor();
+        c.moveToPosition(position);
+        int rank = c.getInt(UserIdsAdapter.INDEX_RANK);
+
+        Uri dataUri = UserPackets.buildLinkedIdsUri(baseUri);
+        return LinkedIdViewFragment.newInstance(dataUri, rank, mIsSecret, fingerprint);
+    }
+
+    public static class ViewHolder {
+        final public ImageView vVerified;
+        final public ImageView vIcon;
+        final public TextView vTitle;
+        final public TextView vComment;
+
+        public ViewHolder(View view) {
+            vVerified = (ImageView) view.findViewById(R.id.linked_id_certified_icon);
+            vIcon = (ImageView) view.findViewById(R.id.linked_id_type_icon);
+            vTitle = (TextView) view.findViewById(R.id.linked_id_title);
+            vComment = (TextView) view.findViewById(R.id.linked_id_comment);
+        }
+
+        public void setData(Context context, UriAttribute id) {
+
+            vTitle.setText(id.getDisplayTitle(context));
+
+            String comment = id.getDisplayComment(context);
+            if (comment != null) {
+                vComment.setVisibility(View.VISIBLE);
+                vComment.setText(comment);
+            } else {
+                vComment.setVisibility(View.GONE);
+            }
+
+            vIcon.setImageResource(id.getDisplayIcon());
+
+        }
+
+        public void seekAttention() {
+            ObjectAnimator anim = SubtleAttentionSeeker.tintText(vComment, 1000);
+            anim.setStartDelay(200);
+            anim.start();
+        }
+
+    }
+
+}