rearrange linked id layouts, add CertListWidget

6 files changed, 295 insertions, 80 deletions

diff --git a/OpenKeychain/build.gradle b/OpenKeychain/build.gradle
index 97c8a6d5e..8a39cafc6 100644
--- a/OpenKeychain/build.gradle
+++ b/OpenKeychain/build.gradle
@@ -20,6 +20,7 @@ dependencies {
     compile 'it.neokree:MaterialNavigationDrawer:1.3.1'
     compile 'com.nispok:snackbar:2.9.1'
     compile 'com.getbase:floatingactionbutton:1.8.0'
+    compile 'com.ocpsoft:ocpsoft-pretty-time:1.0.6'
     
     // libs as submodules
     compile project(':extern:openpgp-api-lib')
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
index 59e0efbd0..3edadec2f 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -839,9 +839,7 @@ public class ViewKeyActivity extends BaseActivity implements
                 mIsExpired = data.getInt(INDEX_IS_EXPIRED) != 0;
                 mIsVerified = data.getInt(INDEX_VERIFIED) > 0;
 
-                if (oldFingerprint == null) {
-                    startFragment(mIsSecret, fpData);
-                }
+                startFragment(mIsSecret, fpData);
 
                 // get name, email, and comment from USER_ID
                 String[] mainUserId = KeyRing.splitUserId(data.getString(INDEX_USER_ID));
@@ -1000,21 +998,25 @@ public class ViewKeyActivity extends BaseActivity implements
 
     }
 
-    private void startFragment(boolean isSecret, byte[] fingerprint) {
-        // Create an instance of the fragment
-        final ViewKeyFragment frag = ViewKeyFragment.newInstance(mDataUri, isSecret, fingerprint);
-
+    private void startFragment(final boolean isSecret, final byte[] fingerprint) {
         new Handler().post(new Runnable() {
             @Override
             public void run() {
 
                 FragmentManager manager = getSupportFragmentManager();
-                manager.popBackStack("linked_id", FragmentManager.POP_BACK_STACK_INCLUSIVE);
-                // Add the fragment to the 'fragment_container' FrameLayout
-                // NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
-                manager.beginTransaction()
-                        .replace(R.id.view_key_fragment, frag, "main")
-                        .commit();
+                if (manager.getBackStackEntryCount() == 0) {
+                    // Create an instance of the fragment
+                    final ViewKeyFragment frag = ViewKeyFragment.newInstance(
+                            mDataUri, isSecret, fingerprint);
+                    manager.beginTransaction()
+                            .replace(R.id.view_key_fragment, frag)
+                            .commit();
+                    manager.popBackStack();
+                } else {
+                    // not sure yet if we actually want this!
+                    // manager.popBackStack();
+                }
+
             }
         });
     }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java
index 284e6e0c1..5b8d14c4c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/linked/LinkedIdViewFragment.java
@@ -22,7 +22,6 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.ViewAnimator;
 
@@ -44,10 +43,10 @@ import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
 import org.sufficientlysecure.keychain.service.PassphraseCacheService;
 import org.sufficientlysecure.keychain.ui.PassphraseDialogActivity;
 import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter;
-import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsCertAdapter;
 import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
 import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
 import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils.State;
+import org.sufficientlysecure.keychain.ui.widget.CertListWidget;
 import org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner;
 import org.sufficientlysecure.keychain.util.Log;
 
@@ -61,8 +60,7 @@ public class LinkedIdViewFragment extends Fragment implements
     private static final String ARG_LID_RANK = "rank";
     private static final String ARG_SHOWCERT = "verified";
     private static final String ARG_FINGERPRINT = "fingerprint";
-    private static final int LOADER_ID_LINKED_CERTS = 1;
-    private static final int LOADER_ID_LINKED_ID = 2;
+    private static final int LOADER_ID_LINKED_ID = 1;
 
     private RawLinkedIdentity mLinkedId;
     private LinkedCookieResource mLinkedResource;
@@ -74,10 +72,8 @@ public class LinkedIdViewFragment extends Fragment implements
 
     private boolean mInProgress;
 
-    private LinkedIdsCertAdapter mCertAdapter;
     private Uri mDataUri;
     private ViewHolder mViewHolder;
-    private View mCurrentCert;
     private int mLidRank;
     private OnIdentityLoadedListener mIdLoadedListener;
 
@@ -109,11 +105,9 @@ public class LinkedIdViewFragment extends Fragment implements
         mContext = getActivity();
         mInflater = getLayoutInflater(savedInstanceState);
 
-        mCertAdapter = new LinkedIdsCertAdapter(getActivity(), null, 0);
-        // getLoaderManager().initLoader(LOADER_ID_LINKED_CERTS, null, this);
         getLoaderManager().initLoader(LOADER_ID_LINKED_ID, null, this);
-
     }
+
     @Override
     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
         switch (id) {
@@ -122,10 +116,6 @@ public class LinkedIdViewFragment extends Fragment implements
                         UserIdsAdapter.USER_PACKETS_PROJECTION,
                         Tables.USER_PACKETS + "." + UserPackets.RANK
                                 + " = " + Integer.toString(mLidRank), null, null);
-
-            case LOADER_ID_LINKED_CERTS:
-                return LinkedIdsCertAdapter.createLoader(getActivity(), mDataUri);
-
             default:
                 return null;
         }
@@ -162,10 +152,6 @@ public class LinkedIdViewFragment extends Fragment implements
                 }
 
                 break;
-
-            case LOADER_ID_LINKED_CERTS:
-                mCertAdapter.swapCursor(cursor);
-                break;
         }
     }
 
@@ -180,6 +166,16 @@ public class LinkedIdViewFragment extends Fragment implements
     private void loadIdentity(RawLinkedIdentity linkedId, int certStatus) {
         mLinkedId = linkedId;
 
+        mViewHolder.setShowVerifying(false);
+
+        {
+            Bundle args = new Bundle();
+            args.putParcelable(CertListWidget.ARG_URI, mDataUri);
+            args.putInt(CertListWidget.ARG_RANK, mLidRank);
+            getLoaderManager().initLoader(CertListWidget.LOADER_ID_LINKED_CERTS,
+                    args, mViewHolder.vLinkedCerts);
+        }
+
         if (mLinkedId instanceof LinkedIdentity) {
             LinkedResource res = ((LinkedIdentity) mLinkedId).mResource;
             mLinkedResource = (LinkedCookieResource) res;
@@ -235,30 +231,28 @@ public class LinkedIdViewFragment extends Fragment implements
 
     @Override
     public void onLoaderReset(Loader<Cursor> loader) {
-        switch (loader.getId()) {
-            case LOADER_ID_LINKED_CERTS:
-                mCertAdapter.swapCursor(null);
-                break;
-        }
 
     }
 
     static class ViewHolder {
         private final View vButtonView;
+        private final ViewAnimator vVerifyingContainer;
         LinkedIdsAdapter.ViewHolder mLinkedIdHolder;
 
         private ViewAnimator mButtonSwitcher;
-        private LinearLayout vLinkedCerts;
+        private CertListWidget vLinkedCerts;
         private CertifyKeySpinner vKeySpinner;
-        private LinearLayout vLinkedVerify;
         private final View vButtonVerify;
         private final View vButtonRetry;
         private final View vButtonConfirm;
         private final View vButtonBack;
 
+        private final ViewAnimator vProgress;
+        private final ImageView vIcon;
+        private final TextView vText;
+
         ViewHolder(View root) {
-            vLinkedCerts = (LinearLayout) root.findViewById(R.id.linked_id_certs);
-            vLinkedVerify = (LinearLayout) root.findViewById(R.id.linked_id_verify);
+            vLinkedCerts = (CertListWidget) root.findViewById(R.id.linked_id_certs);
             vKeySpinner = (CertifyKeySpinner) root.findViewById(R.id.cert_key_spinner);
             mButtonSwitcher = (ViewAnimator) root.findViewById(R.id.button_animator);
 
@@ -269,6 +263,26 @@ public class LinkedIdViewFragment extends Fragment implements
             vButtonRetry = root.findViewById(R.id.button_retry);
             vButtonConfirm = root.findViewById(R.id.button_confirm);
             vButtonView = root.findViewById(R.id.button_view);
+
+            vVerifyingContainer = (ViewAnimator) root.findViewById(R.id.linked_verify_container);
+
+            vProgress = (ViewAnimator) root.findViewById(R.id.linked_cert_progress);
+            vIcon = (ImageView) root.findViewById(R.id.linked_cert_icon);
+            vText = (TextView) root.findViewById(R.id.linked_cert_text);
+        }
+
+        void setShowVerifying(boolean show) {
+            int child = show ? 1 : 0;
+            if (vVerifyingContainer.getDisplayedChild() != child) {
+                vVerifyingContainer.setDisplayedChild(child);
+            }
+            if (!show) {
+                vKeySpinner.setVisibility(View.GONE);
+            }
+        }
+
+        void setShowProgress(boolean show) {
+            vProgress.setDisplayedChild(show ? 0 : 1);
         }
 
     }
@@ -310,21 +324,6 @@ public class LinkedIdViewFragment extends Fragment implements
         return root;
     }
 
-    static class ViewHolderCert {
-        final ViewAnimator vProgress;
-        final ImageView vIcon;
-        final TextView vText;
-
-        ViewHolderCert(View view) {
-            vProgress = (ViewAnimator) view.findViewById(R.id.linked_cert_progress);
-            vIcon = (ImageView) view.findViewById(R.id.linked_cert_icon);
-            vText = (TextView) view.findViewById(R.id.linked_cert_text);
-        }
-        void setShowProgress(boolean show) {
-            vProgress.setDisplayedChild(show ? 0 : 1);
-        }
-    }
-
     void showButton(int which) {
         if (mViewHolder.mButtonSwitcher.getDisplayedChild() == which) {
             return;
@@ -342,20 +341,11 @@ public class LinkedIdViewFragment extends Fragment implements
             mInProgress = true;
         }
 
-        // is there a current certification? if not create a new one
-        final ViewHolderCert holder;
-        if (mCurrentCert == null) {
-            mCurrentCert = mInflater.inflate(R.layout.linked_id_cert, null);
-            holder = new ViewHolderCert(mCurrentCert);
-            mCurrentCert.setTag(holder);
-            mViewHolder.vLinkedVerify.addView(mCurrentCert);
-        } else {
-            holder = (ViewHolderCert) mCurrentCert.getTag();
-        }
+        mViewHolder.setShowVerifying(true);
 
         mViewHolder.vKeySpinner.setVisibility(View.GONE);
-        holder.setShowProgress(true);
-        holder.vText.setText("Verifying…");
+        mViewHolder.setShowProgress(true);
+        mViewHolder.vText.setText("Verifying…");
 
         new AsyncTask<Void,Void,LinkedVerifyResult>() {
             @Override
@@ -376,13 +366,13 @@ public class LinkedIdViewFragment extends Fragment implements
 
             @Override
             protected void onPostExecute(LinkedVerifyResult result) {
-                holder.setShowProgress(false);
+                mViewHolder.setShowProgress(false);
                 if (result.success()) {
-                    holder.vText.setText("Ok");
+                    mViewHolder.vText.setText("Ok");
                     setupForConfirmation();
                 } else {
                     showButton(1);
-                    holder.vText.setText("Error");
+                    mViewHolder.vText.setText("Error");
                 }
                 mInProgress = false;
             }
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..3e9cffb69
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/CertListWidget.java
@@ -0,0 +1,131 @@
+package org.sufficientlysecure.keychain.ui.widget;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+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.text.SpannableStringBuilder;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+import android.widget.ViewAnimator;
+
+import com.ocpsoft.pretty.time.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_RANK = "rank";
+
+
+    // 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 View vExpanded;
+    private View vExpandButton;
+
+    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 = root.findViewById(R.id.cert_expanded_list);
+        vExpandButton = root.findViewById(R.id.cert_expand_button);
+
+        // for now
+        vExpandButton.setVisibility(View.GONE);
+    }
+
+    void setExpanded(boolean expanded) {
+        setDisplayedChild(expanded ? 1 : 0);
+    }
+
+    @Override
+    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+        Uri baseUri = args.getParcelable(ARG_URI);
+        int rank = args.getInt(ARG_RANK);
+
+        Uri uri = Certs.buildLinkedIdCertsUri(baseUri, rank);
+        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;
+        }
+
+        setVisibility(View.VISIBLE);
+
+        // 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();
+            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/res/layout/cert_list_widget.xml b/OpenKeychain/src/main/res/layout/cert_list_widget.xml
new file mode 100644
index 000000000..715e4bfa5
--- /dev/null
+++ b/OpenKeychain/src/main/res/layout/cert_list_widget.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<org.sufficientlysecure.keychain.ui.widget.CertListWidget
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_marginLeft="12dp"
+    android:layout_marginRight="12dp"
+    android:id="@+id/linked_id_certs">
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:minHeight="?android:attr/listPreferredItemHeight"
+        >
+
+        <TextView
+            android:id="@+id/cert_collapsed_list"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:gravity="center_vertical"
+            android:layout_weight="1"
+            />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@drawable/ic_expand_more_black_24dp"
+            android:id="@+id/cert_expand_button"
+            android:padding="4dp"
+            />
+
+        </LinearLayout>
+
+    <ListView
+        android:id="@+id/cert_expanded_list"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content">
+    </ListView>
+
+</org.sufficientlysecure.keychain.ui.widget.CertListWidget>
\ No newline at end of file
diff --git a/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml b/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml
index b453167ea..4244de962 100644
--- a/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml
+++ b/OpenKeychain/src/main/res/layout/linked_id_view_fragment.xml
@@ -32,21 +32,68 @@
 
             <include layout="@layout/linked_id_item" />
 
-            <LinearLayout
+            <ViewAnimator
                 android:layout_width="fill_parent"
                 android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:animateLayoutChanges="true"
-                android:id="@+id/linked_id_certs">
+                android:id="@+id/linked_verify_container"
+                android:inAnimation="@anim/fade_in"
+                android:outAnimation="@anim/fade_out">
+
+                <include layout="@layout/cert_list_widget" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="?android:attr/listPreferredItemHeight"
+                    android:orientation="horizontal"
+                    android:singleLine="true">
+
+                    <LinearLayout
+                        android:orientation="vertical"
+                        android:layout_gravity="center_vertical"
+                        android:layout_width="0dip"
+                        android:layout_marginLeft="16dp"
+                        android:layout_marginTop="4dp"
+                        android:layout_marginBottom="4dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1">
+
+                        <TextView
+                            android:id="@+id/linked_cert_text"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="Verifying…"
+                            android:textAppearance="?android:attr/textAppearanceMedium" />
+
+                    </LinearLayout>
+
+                    <ViewAnimator
+                        android:layout_width="22dp"
+                        android:layout_height="22dp"
+                        android:layout_marginLeft="16dp"
+                        android:layout_marginRight="16dp"
+                        android:layout_gravity="center"
+                        android:id="@+id/linked_cert_progress"
+                        android:inAnimation="@anim/fade_in"
+                        android:outAnimation="@anim/fade_out">
+
+                        <ProgressBar
+                            android:layout_width="22dp"
+                            android:layout_height="22dp"
+                            android:indeterminate="true"
+                            />
+
+                        <ImageView
+                            android:layout_width="22dp"
+                            android:layout_height="wrap_content"
+                            android:src="@drawable/status_signature_unknown_cutout_24dp"
+                            android:id="@+id/linked_cert_icon"
+                            />
+                    </ViewAnimator>
+
                 </LinearLayout>
 
-            <LinearLayout
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical"
-                android:animateLayoutChanges="true"
-                android:id="@+id/linked_id_verify">
-            </LinearLayout>
+            </ViewAnimator>
 
             <org.sufficientlysecure.keychain.ui.widget.CertifyKeySpinner
                 android:layout_marginLeft="14dp"