Rename adapter

1 files changed, 244 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
new file mode 100644
index 000000000..77da1d0e3
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/UserIdsAdapter.java
@@ -0,0 +1,244 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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.content.Context;
+import android.database.Cursor;
+import android.support.v4.widget.CursorAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.helper.OtherHelper;
+import org.sufficientlysecure.keychain.pgp.KeyRing;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
+
+import java.util.ArrayList;
+
+public class UserIdsAdapter extends CursorAdapter implements AdapterView.OnItemClickListener {
+    private LayoutInflater mInflater;
+
+    private int mIndexUserId, mIndexRank;
+    private int mVerifiedId, mIsRevoked, mIsPrimary;
+
+    private final ArrayList<Boolean> mCheckStates;
+
+    private SaveKeyringParcel mSaveKeyringParcel;
+
+    public static final String[] USER_IDS_PROJECTION = new String[]{
+            UserIds._ID,
+            UserIds.USER_ID,
+            UserIds.RANK,
+            UserIds.VERIFIED,
+            UserIds.IS_PRIMARY,
+            UserIds.IS_REVOKED
+    };
+
+    public UserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes,
+                          SaveKeyringParcel saveKeyringParcel) {
+        super(context, c, flags);
+        mInflater = LayoutInflater.from(context);
+
+        mCheckStates = showCheckBoxes ? new ArrayList<Boolean>() : null;
+        mSaveKeyringParcel = saveKeyringParcel;
+
+        initIndex(c);
+    }
+
+    public UserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) {
+        this(context, c, flags, showCheckBoxes, null);
+    }
+
+    public UserIdsAdapter(Context context, Cursor c, int flags, SaveKeyringParcel saveKeyringParcel) {
+        this(context, c, flags, false, saveKeyringParcel);
+    }
+
+    public UserIdsAdapter(Context context, Cursor c, int flags) {
+        this(context, c, flags, false, null);
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor newCursor) {
+        initIndex(newCursor);
+        if (mCheckStates != null) {
+            mCheckStates.clear();
+            if (newCursor != null) {
+                int count = newCursor.getCount();
+                mCheckStates.ensureCapacity(count);
+                // initialize to true (use case knowledge: we usually want to sign all uids)
+                for (int i = 0; i < count; i++) {
+                    newCursor.moveToPosition(i);
+                    int verified = newCursor.getInt(mVerifiedId);
+                    mCheckStates.add(verified != Certs.VERIFIED_SECRET);
+                }
+            }
+        }
+
+        return super.swapCursor(newCursor);
+    }
+
+    /**
+     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+     * performance comparison see http://stackoverflow.com/a/17999582
+     *
+     * @param cursor
+     */
+    private void initIndex(Cursor cursor) {
+        if (cursor != null) {
+            mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
+            mIndexRank = cursor.getColumnIndexOrThrow(UserIds.RANK);
+            mVerifiedId = cursor.getColumnIndexOrThrow(UserIds.VERIFIED);
+            mIsRevoked = cursor.getColumnIndexOrThrow(UserIds.IS_REVOKED);
+            mIsPrimary = cursor.getColumnIndexOrThrow(UserIds.IS_PRIMARY);
+        }
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        TextView vName = (TextView) view.findViewById(R.id.userId);
+        TextView vAddress = (TextView) view.findViewById(R.id.address);
+        TextView vComment = (TextView) view.findViewById(R.id.comment);
+        ImageView vVerified = (ImageView) view.findViewById(R.id.certified);
+
+        String[] userId = KeyRing.splitUserId(cursor.getString(mIndexUserId));
+        if (userId[0] != null) {
+            vName.setText(userId[0]);
+        } else {
+            vName.setText(R.string.user_id_no_name);
+        }
+        if (userId[1] != null) {
+            vAddress.setText(userId[1]);
+            vAddress.setVisibility(View.VISIBLE);
+        } else {
+            vAddress.setVisibility(View.GONE);
+        }
+        if (userId[2] != null) {
+            vComment.setText(userId[2]);
+            vComment.setVisibility(View.VISIBLE);
+        } else {
+            vComment.setVisibility(View.GONE);
+        }
+
+        // show small star icon for primary user ids
+        boolean isPrimary = cursor.getInt(mIsPrimary) != 0;
+
+        if (cursor.getInt(mIsRevoked) > 0) {
+
+            // set revocation icon (can this even be primary?)
+            vVerified.setImageResource(R.drawable.key_certify_revoke);
+
+            // disable and strike through text for revoked user ids
+            vName.setEnabled(false);
+            vAddress.setEnabled(false);
+            vName.setText(OtherHelper.strikeOutText(vName.getText()));
+            vAddress.setText(OtherHelper.strikeOutText(vAddress.getText()));
+        } else {
+            vName.setEnabled(true);
+            vAddress.setEnabled(true);
+
+            int verified = cursor.getInt(mVerifiedId);
+            switch (verified) {
+                case Certs.VERIFIED_SECRET:
+                    vVerified.setImageResource(isPrimary
+                            ? R.drawable.key_certify_primary_ok_depth0
+                            : R.drawable.key_certify_ok_depth0);
+                    break;
+                case Certs.VERIFIED_SELF:
+                    vVerified.setImageResource(isPrimary
+                            ? R.drawable.key_certify_primary_ok_self
+                            : R.drawable.key_certify_ok_self);
+                    break;
+                default:
+                    vVerified.setImageResource(R.drawable.key_certify_error);
+                    break;
+            }
+        }
+
+        // don't care further if checkboxes aren't shown
+        if (mCheckStates == null) {
+            return;
+        }
+
+        final CheckBox vCheckBox = (CheckBox) view.findViewById(R.id.checkBox);
+        final int position = cursor.getPosition();
+        vCheckBox.setOnCheckedChangeListener(null);
+        vCheckBox.setChecked(mCheckStates.get(position));
+        vCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+                mCheckStates.set(position, b);
+            }
+        });
+        vCheckBox.setClickable(false);
+    }
+
+    public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
+        CheckBox box = ((CheckBox) view.findViewById(R.id.checkBox));
+        if (box != null) {
+            box.toggle();
+        }
+    }
+
+    public ArrayList<String> getSelectedUserIds() {
+        ArrayList<String> result = new ArrayList<String>();
+        for (int i = 0; i < mCheckStates.size(); i++) {
+            if (mCheckStates.get(i)) {
+                mCursor.moveToPosition(i);
+                result.add(mCursor.getString(mIndexUserId));
+            }
+        }
+        return result;
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        View view = mInflater.inflate(R.layout.view_key_userids_item, null);
+        // only need to do this once ever, since mShowCheckBoxes is final
+        view.findViewById(R.id.checkBox).setVisibility(mCheckStates != null ? View.VISIBLE : View.GONE);
+        return view;
+    }
+
+    // Disable selection of items for lists without checkboxes, http://stackoverflow.com/a/4075045
+    @Override
+    public boolean areAllItemsEnabled() {
+        if (mCheckStates == null) {
+            return false;
+        } else {
+            return super.areAllItemsEnabled();
+        }
+    }
+
+    // Disable selection of items for lists without checkboxes, http://stackoverflow.com/a/4075045
+    @Override
+    public boolean isEnabled(int position) {
+        if (mCheckStates == null) {
+            return false;
+        } else {
+            return super.isEnabled(position);
+        }
+    }
+
+}