Merge branch 'linked-identities' (and fix OperationHelper ids)

Merge Linked Identities.

Also includes an important fix for OperationHelper ids, which had an
error in the bit mask logic.

Conflicts:
	Graphics/update-drawables.sh
	OpenKeychain/build.gradle
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/CertifyActionsParcel.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateYubiKeyImportFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyAdapter.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
	OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
	OpenKeychain/src/main/res/anim/fade_in.xml
	OpenKeychain/src/main/res/anim/fade_out.xml
	OpenKeychain/src/main/res/layout/decrypt_text_fragment.xml
	OpenKeychain/src/main/res/layout/encrypt_decrypt_overview_fragment.xml
	OpenKeychain/src/main/res/layout/view_key_fragment.xml
	OpenKeychain/src/main/res/menu/key_view.xml
	OpenKeychain/src/main/res/values/strings.xml
	OpenKeychain/src/test/java/org/sufficientlysecure/keychain/operations/CertifyOperationTest.java
	README.md

4 files changed, 212 insertions, 5 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java
new file mode 100644
index 000000000..c413a00be
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java
@@ -0,0 +1,143 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+import java.util.Date;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.app.LoaderManager;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.ViewAnimator;
+
+import org.ocpsoft.prettytime.PrettyTime;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.provider.KeychainContract;
+import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
+
+public class CertListWidget extends ViewAnimator
+        implements LoaderManager.LoaderCallbacks<Cursor> {
+
+    public static final int LOADER_ID_LINKED_CERTS = 38572;
+
+    public static final String ARG_URI = "uri";
+    public static final String ARG_IS_SECRET = "is_secret";
+
+
+    // These are the rows that we will retrieve.
+    static final String[] CERTS_PROJECTION = new String[]{
+            KeychainContract.Certs._ID,
+            KeychainContract.Certs.MASTER_KEY_ID,
+            KeychainContract.Certs.VERIFIED,
+            KeychainContract.Certs.TYPE,
+            KeychainContract.Certs.RANK,
+            KeychainContract.Certs.KEY_ID_CERTIFIER,
+            KeychainContract.Certs.USER_ID,
+            KeychainContract.Certs.SIGNER_UID,
+            KeychainContract.Certs.CREATION
+    };
+    public static final int INDEX_MASTER_KEY_ID = 1;
+    public static final int INDEX_VERIFIED = 2;
+    public static final int INDEX_TYPE = 3;
+    public static final int INDEX_RANK = 4;
+    public static final int INDEX_KEY_ID_CERTIFIER = 5;
+    public static final int INDEX_USER_ID = 6;
+    public static final int INDEX_SIGNER_UID = 7;
+    public static final int INDEX_CREATION = 8;
+
+    private TextView vCollapsed;
+    private ListView vExpanded;
+    private View vExpandButton;
+    private boolean mIsSecret;
+
+    public CertListWidget(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        View root = getRootView();
+        vCollapsed = (TextView) root.findViewById(R.id.cert_collapsed_list);
+        vExpanded = (ListView) root.findViewById(R.id.cert_expanded_list);
+        vExpandButton = root.findViewById(R.id.cert_expand_button);
+
+        // for now
+        vExpandButton.setVisibility(View.GONE);
+        vExpandButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                toggleExpanded();
+            }
+        });
+
+        // vExpanded.setAdapter(null);
+
+    }
+
+    void toggleExpanded() {
+        setDisplayedChild(getDisplayedChild() == 1 ? 0 : 1);
+    }
+
+    void setExpanded(boolean expanded) {
+        setDisplayedChild(expanded ? 1 : 0);
+    }
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        Uri uri = args.getParcelable(ARG_URI);
+        mIsSecret = args.getBoolean(ARG_IS_SECRET, false);
+        return new CursorLoader(getContext(), uri,
+                CERTS_PROJECTION, null, null, null);
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+
+        if (data == null || !data.moveToFirst()) {
+            return;
+        }
+
+        // TODO support external certificates
+        Date userCert = null;
+        while (!data.isAfterLast()) {
+
+            int verified = data.getInt(INDEX_VERIFIED);
+            Date creation = new Date(data.getLong(INDEX_CREATION) * 1000);
+
+            if (verified == Certs.VERIFIED_SECRET) {
+                if (userCert == null || userCert.after(creation)) {
+                    userCert = creation;
+                }
+            }
+
+            data.moveToNext();
+        }
+
+        if (userCert != null) {
+            PrettyTime format = new PrettyTime();
+            if (mIsSecret) {
+                vCollapsed.setText("You created this identity "
+                        + format.format(userCert) + ".");
+            } else {
+                vCollapsed.setText("You verified and confirmed this identity "
+                        + format.format(userCert) + ".");
+            }
+        } else {
+            vCollapsed.setText("This identity is not yet verified or confirmed.");
+        }
+
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Cursor> loader) {
+        setVisibility(View.GONE);
+    }
+
+}
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
index 6cd33aada..6a51085f3 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertifyKeySpinner.java
@@ -17,25 +17,24 @@
 
 package org.sufficientlysecure.keychain.ui.widget;
 
-
-import java.util.Arrays;
-import java.util.List;
-
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.StringRes;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
 import android.util.AttributeSet;
 
 import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainDatabase;
 import org.sufficientlysecure.keychain.ui.adapter.KeyAdapter;
 
 public class CertifyKeySpinner extends KeySpinner {
     private long mHiddenMasterKeyId = Constants.key.none;
+    private boolean mIsSingle;
 
     public CertifyKeySpinner(Context context) {
         super(context);
@@ -94,9 +93,11 @@ public class CertifyKeySpinner extends KeySpinner {
                     if (!data.isNull(mIndexHasCertify)) {
                         if (selection == -1) {
                             selection = data.getPosition() + 1;
+                            mIsSingle = true;
                         } else {
                             // if selection is already set, we have more than one certify key!
                             // get back to "none"!
+                            mIsSingle = false;
                             selection = 0;
                         }
                     }
@@ -106,6 +107,9 @@ public class CertifyKeySpinner extends KeySpinner {
         }
     }
 
+    public boolean isSingleEntry() {
+        return mIsSingle && getSelectedItemPosition() != 0;
+    }
 
     @Override
     boolean isItemEnabled(Cursor cursor) {
@@ -128,4 +132,10 @@ public class CertifyKeySpinner extends KeySpinner {
         return true;
     }
 
+    @Override
+    public @StringRes int getNoneString() {
+        return R.string.choice_select_cert;
+    }
+
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
index 1884daf12..e3ec3d34b 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/KeySpinner.java
@@ -23,6 +23,7 @@ import android.database.Cursor;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
+import android.support.annotation.StringRes;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.Loader;
@@ -34,6 +35,7 @@ import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.BaseAdapter;
 import android.widget.SpinnerAdapter;
+import android.widget.TextView;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
@@ -226,9 +228,11 @@ public abstract class KeySpinner extends AppCompatSpinner implements
                 return inner.getView(position -1, convertView, parent);
             }
 
-            return convertView != null ? convertView :
+            View view = convertView != null ? convertView :
                     LayoutInflater.from(getContext()).inflate(
                             R.layout.keyspinner_item_none, parent, false);
+            ((TextView) view.findViewById(R.id.keyspinner_key_name)).setText(getNoneString());
+            return view;
         }
 
     }
@@ -259,4 +263,9 @@ public abstract class KeySpinner extends AppCompatSpinner implements
         bundle.putLong(ARG_KEY_ID, getSelectedKeyId());
         return bundle;
     }
+
+    public @StringRes int getNoneString() {
+        return R.string.cert_none;
+    }
+
 }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java
new file mode 100644
index 000000000..3cbb114e8
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PrefixedEditText.java
@@ -0,0 +1,45 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.*;
+import android.support.annotation.NonNull;
+import android.util.AttributeSet;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+
+public class PrefixedEditText extends EditText {
+
+    private String mPrefix;
+    private Rect mPrefixRect = new Rect();
+
+	public PrefixedEditText(Context context, AttributeSet attrs) {
+		super(context, attrs);
+        TypedArray style = context.getTheme().obtainStyledAttributes(
+                attrs, R.styleable.PrefixedEditText, 0, 0);
+        mPrefix = style.getString(R.styleable.PrefixedEditText_prefix);
+        if (mPrefix == null) {
+            mPrefix = "";
+        }
+	}
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        getPaint().getTextBounds(mPrefix, 0, mPrefix.length(), mPrefixRect);
+
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    @Override
+    protected void onDraw(@NonNull Canvas canvas) {
+        super.onDraw(canvas);
+        canvas.drawText(mPrefix, super.getCompoundPaddingLeft(), getBaseline(), getPaint());
+    }
+
+    @Override
+    public int getCompoundPaddingLeft() {
+        return super.getCompoundPaddingLeft() + mPrefixRect.width();
+    }
+
+}
\ No newline at end of file