From 68b015122b22b9c20e302e0aae240a072480d0b3 Mon Sep 17 00:00:00 2001
From: Andrea Torlaschi <runnerway@gmail.com>
Date: Mon, 18 Jul 2016 23:17:53 +0200
Subject: [PATCH] ImportKeys: Add expanding card for list's item (WIP)

---
 .../keychain/ui/ImportKeysActivity.java       |   8 +-
 .../ui/adapter/ImportKeysAdapter.java         | 157 +++++--------
 .../keychain/ui/util/Highlighter.java         |   3 +
 .../main/res/layout/import_keys_list_item.xml | 212 ++++++++++--------
 4 files changed, 178 insertions(+), 202 deletions(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
index 03668113c..49f10509c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java
@@ -31,7 +31,6 @@ import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.intents.OpenKeychainIntents;
 import org.sufficientlysecure.keychain.keyimport.FacebookKeyserver;
-import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
 import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
 import org.sufficientlysecure.keychain.keyimport.processing.BytesLoaderState;
 import org.sufficientlysecure.keychain.keyimport.processing.CloudLoaderState;
@@ -51,7 +50,6 @@ import org.sufficientlysecure.keychain.util.Preferences;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.List;
 
 public class ImportKeysActivity extends BaseActivity implements ImportKeysListener {
 
@@ -83,7 +81,6 @@ public class ImportKeysActivity extends BaseActivity implements ImportKeysListen
     public static final String TAG_FRAG_TOP = "frag_top";
 
     private boolean mFreshIntent;
-
     private CryptoOperationHelper<ImportKeyringParcel, ImportKeyResult> mOperationHelper;
 
     @Override
@@ -370,8 +367,9 @@ public class ImportKeysActivity extends BaseActivity implements ImportKeysListen
             keyserver = ((CloudLoaderState) loaderState).mCloudPrefs.keyserver;
         }
 
-        ImportKeysOperationCallback callback = new ImportKeysOperationCallback(this, keyserver, keyList);
-        new CryptoOperationHelper(1, this, callback, R.string.progress_importing).cryptoOperation();
+        ImportKeysOperationCallback cb = new ImportKeysOperationCallback(this, keyserver, keyList);
+        mOperationHelper = new CryptoOperationHelper(1, this, cb, R.string.progress_importing);
+        mOperationHelper.cryptoOperation();
     }
 
     @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
index 9373a5a7c..ebc82e09e 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysAdapter.java
@@ -18,18 +18,18 @@
 package org.sufficientlysecure.keychain.ui.adapter;
 
 import android.content.Context;
+import android.content.res.Resources;
+import android.databinding.DataBindingUtil;
 import android.graphics.Color;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Button;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import org.openintents.openpgp.util.OpenPgpUtils;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.databinding.ImportKeysListItemBinding;
 import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
 import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
 import org.sufficientlysecure.keychain.keyimport.processing.BytesLoaderState;
@@ -60,28 +60,17 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
     private List<ImportKeysListEntry> mData;
 
     public ImportKeysAdapter(Context mContext, ImportKeysListener listener, boolean mNonInteractive) {
-
         this.mContext = mContext;
         this.mListener = listener;
         this.mNonInteractive = mNonInteractive;
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        public View container;
+        public ImportKeysListItemBinding binding;
 
-        public TextView mainUserId;
-        public TextView mainUserIdRest;
-        public TextView keyId;
-        public TextView fingerprint;
-        public TextView algorithm;
-        public ImageView status;
-        public View userIdsDivider;
-        public LinearLayout userIdsList;
-        public Button importButton;
-
-        public ViewHolder(View container) {
-            super(container);
-            this.container = container;
+        public ViewHolder(View view) {
+            super(view);
+            binding = DataBindingUtil.bind(view);
         }
     }
 
@@ -122,99 +111,69 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.import_keys_list_item, parent, false);
-
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        View v = inflater.inflate(R.layout.import_keys_list_item, parent, false);
         ViewHolder vh = new ViewHolder(v);
-        vh.mainUserId = (TextView) v.findViewById(R.id.import_item_user_id);
-        vh.mainUserIdRest = (TextView) v.findViewById(R.id.import_item_user_id_email);
-        vh.keyId = (TextView) v.findViewById(R.id.import_item_key_id);
-        vh.fingerprint = (TextView) v.findViewById(R.id.import_item_fingerprint);
-        vh.algorithm = (TextView) v.findViewById(R.id.import_item_algorithm);
-        vh.status = (ImageView) v.findViewById(R.id.import_item_status);
-        vh.userIdsDivider = v.findViewById(R.id.import_item_status_divider);
-        vh.userIdsList = (LinearLayout) v.findViewById(R.id.import_item_user_ids_list);
-        vh.importButton = (Button) v.findViewById(R.id.import_item_button);
-
         return vh;
     }
 
     @Override
-    public void onBindViewHolder(ViewHolder holder, int position) {
+    public void onBindViewHolder(final ViewHolder holder, int position) {
+        final ImportKeysListItemBinding b = holder.binding;
         final ImportKeysListEntry entry = mData.get(position);
+
+        Resources resources = mContext.getResources();
+        Highlighter highlighter = new Highlighter(mContext, entry.getQuery());
+        b.setStandardColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
+        b.setRevokedExpiredColor(resources.getColor(R.color.key_flag_gray));
+        b.setSecretColor(Color.RED);
+        b.setHighlighter(highlighter);
+
+        b.setSecret(entry.isSecretKey());
+        b.setExpired(entry.isExpired());
+        b.setRevoked(entry.isRevoked());
+
         String userId = entry.getUserIds().get(0); // main user id
         OpenPgpUtils.UserId userIdSplit = KeyRing.splitUserId(userId);
 
-        Highlighter highlighter = new Highlighter(mContext, entry.getQuery());
-        // name
-        if (userIdSplit.name != null) {
-            // show red user id if it is a secret key
-            if (entry.isSecretKey()) {
-                holder.mainUserId.setText(mContext.getString(R.string.secret_key) + " " + userIdSplit.name);
-            } else {
-                holder.mainUserId.setText(highlighter.highlight(userIdSplit.name));
-            }
-        } else {
-            holder.mainUserId.setText(R.string.user_id_no_name);
-        }
-
-        // email
-        if (userIdSplit.email != null) {
-            holder.mainUserIdRest.setVisibility(View.VISIBLE);
-            holder.mainUserIdRest.setText(highlighter.highlight(userIdSplit.email));
-        } else {
-            holder.mainUserIdRest.setVisibility(View.GONE);
-        }
-
-        holder.keyId.setText(KeyFormattingUtils.beautifyKeyIdWithPrefix(mContext, entry.getKeyIdHex()));
-
-        // don't show full fingerprint on key import
-        holder.fingerprint.setVisibility(View.GONE);
-
-        if (entry.getAlgorithm() != null) {
-            holder.algorithm.setText(entry.getAlgorithm());
-            holder.algorithm.setVisibility(View.VISIBLE);
-        } else {
-            holder.algorithm.setVisibility(View.GONE);
-        }
+        b.setAlgorithm(entry.getAlgorithm());
+        b.setUserId(userIdSplit.name);
+        b.setUserIdEmail(userIdSplit.email);
+        b.setKeyId(KeyFormattingUtils.beautifyKeyIdWithPrefix(mContext, entry.getKeyIdHex()));
 
         if (entry.isRevoked()) {
-            KeyFormattingUtils.setStatusImage(mContext, holder.status, null, State.REVOKED, R.color.key_flag_gray);
+            KeyFormattingUtils.setStatusImage(mContext, b.status, null, State.REVOKED, R.color.key_flag_gray);
         } else if (entry.isExpired()) {
-            KeyFormattingUtils.setStatusImage(mContext, holder.status, null, State.EXPIRED, R.color.key_flag_gray);
+            KeyFormattingUtils.setStatusImage(mContext, b.status, null, State.EXPIRED, R.color.key_flag_gray);
         }
 
-        if (entry.isRevoked() || entry.isExpired()) {
-            holder.status.setVisibility(View.VISIBLE);
-
-            // no more space for algorithm display
-            holder.algorithm.setVisibility(View.GONE);
-
-            holder.mainUserId.setTextColor(mContext.getResources().getColor(R.color.key_flag_gray));
-            holder.mainUserIdRest.setTextColor(mContext.getResources().getColor(R.color.key_flag_gray));
-            holder.keyId.setTextColor(mContext.getResources().getColor(R.color.key_flag_gray));
-        } else {
-            holder.status.setVisibility(View.GONE);
-            holder.algorithm.setVisibility(View.VISIBLE);
-
-            if (entry.isSecretKey()) {
-                holder.mainUserId.setTextColor(Color.RED);
-            } else {
-                holder.mainUserId.setTextColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
+        b.importKey.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mLoaderState instanceof BytesLoaderState) {
+                    mListener.importKey(new ParcelableKeyRing(entry.getEncodedRing()));
+                } else if (mLoaderState instanceof CloudLoaderState) {
+                    mListener.importKey(new ParcelableKeyRing(entry.getFingerprintHex(), entry.getKeyIdHex(),
+                            entry.getKeybaseName(), entry.getFbUsername()));
+                }
             }
-
-            holder.mainUserIdRest.setTextColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
-            holder.keyId.setTextColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
-        }
+        });
+        b.expand.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                boolean hidden = b.extraContainer.getVisibility() == View.GONE;
+                b.extraContainer.setVisibility(hidden ? View.VISIBLE : View.GONE);
+                b.expand.animate().rotation(hidden ? 180 : 0).start();
+            }
+        });
 
         if (entry.getUserIds().size() == 1) {
-            holder.userIdsList.setVisibility(View.GONE);
-            holder.userIdsDivider.setVisibility(View.GONE);
+            b.userIdsList.setVisibility(View.GONE);
         } else {
-            holder.userIdsList.setVisibility(View.VISIBLE);
-            holder.userIdsDivider.setVisibility(View.VISIBLE);
+            b.userIdsList.setVisibility(View.VISIBLE);
 
             // destroyLoader view from holder
-            holder.userIdsList.removeAllViews();
+            b.userIdsList.removeAllViews();
 
             // we want conventional gpg UserIDs first, then Keybase ”proofs”
             HashMap<String, HashSet<String>> mergedUserIds = entry.getMergedUserIds();
@@ -250,7 +209,7 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
                     uidView.setTextColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
                 }
 
-                holder.userIdsList.addView(uidView);
+                b.userIdsList.addView(uidView);
 
                 for (String email : cEmails) {
                     TextView emailView = (TextView) inflater.inflate(
@@ -266,22 +225,10 @@ public class ImportKeysAdapter extends RecyclerView.Adapter<ImportKeysAdapter.Vi
                         emailView.setTextColor(FormattingUtils.getColorFromAttr(mContext, R.attr.colorText));
                     }
 
-                    holder.userIdsList.addView(emailView);
+                    b.userIdsList.addView(emailView);
                 }
             }
         }
-
-        holder.importButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (mLoaderState instanceof BytesLoaderState) {
-                    mListener.importKey(new ParcelableKeyRing(entry.getEncodedRing()));
-                } else if (mLoaderState instanceof CloudLoaderState) {
-                    mListener.importKey(new ParcelableKeyRing(entry.getFingerprintHex(), entry.getKeyIdHex(),
-                            entry.getKeybaseName(), entry.getFbUsername()));
-                }
-            }
-        });
     }
 
     @Override
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/Highlighter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/Highlighter.java
index ccaa9d408..2255e804c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/Highlighter.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/util/Highlighter.java
@@ -19,6 +19,9 @@ public class Highlighter {
     }
 
     public Spannable highlight(String text) {
+        if (text == null)
+            return null;
+
         Spannable highlight = Spannable.Factory.getInstance().newSpannable(text);
 
         if (mQuery == null) {
diff --git a/OpenKeychain/src/main/res/layout/import_keys_list_item.xml b/OpenKeychain/src/main/res/layout/import_keys_list_item.xml
index 28bb43438..243abd44b 100644
--- a/OpenKeychain/src/main/res/layout/import_keys_list_item.xml
+++ b/OpenKeychain/src/main/res/layout/import_keys_list_item.xml
@@ -1,121 +1,149 @@
-<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:card_view="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:layout_marginBottom="4dp"
-    android:layout_marginTop="4dp"
-    card_view:cardCornerRadius="2dp">
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <LinearLayout
+    <data>
+        <import type="android.view.View" />
+        <import type="org.sufficientlysecure.keychain.ui.util.Highlighter" />
+
+        <variable name="standardColor" type="int" />
+        <variable name="revokedExpiredColor" type="int" />
+        <variable name="secretColor" type="int" />
+        <variable name="highlighter" type="Highlighter" />
+
+        <variable name="secret" type="boolean" />
+        <variable name="revoked" type="boolean" />
+        <variable name="expired" type="boolean" />
+
+        <variable name="algorithm" type="String" />
+        <variable name="userId" type="String" />
+        <variable name="userIdEmail" type="String" />
+        <variable name="keyId" type="String" />
+    </data>
+
+    <android.support.v7.widget.CardView xmlns:card_view="http://schemas.android.com/apk/res-auto"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical">
+        android:layout_marginBottom="4dp"
+        android:layout_marginTop="4dp"
+        card_view:cardCornerRadius="2dp">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:paddingBottom="16dp"
-            android:paddingLeft="16dp"
-            android:paddingRight="16dp"
-            android:paddingTop="24dp">
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingBottom="16dp"
+                android:paddingLeft="16dp"
+                android:paddingRight="16dp"
+                android:paddingTop="24dp">
+
+                <RelativeLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal">
+
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_alignParentLeft="true"
+                        android:layout_toLeftOf="@+id/status"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="@{algorithm}"
+                            android:textAppearance="?android:attr/textAppearanceSmall" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text='@{secret ? @string/secret_key + " " + (userId ?? @string/user_id_no_name) : highlighter.highlight(userId ?? @string/user_id_no_name)}'
+                            android:textAppearance="?android:attr/textAppearanceMedium"
+                            android:textColor="@{revoked || expired ? revokedExpiredColor : (secret ? secretColor : standardColor)}" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_marginTop="4dp"
+                            android:text="@{highlighter.highlight(userIdEmail)}"
+                            android:textAppearance="?android:attr/textAppearanceSmall"
+                            android:textColor="@{revoked || expired ? revokedExpiredColor : standardColor}" />
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text='@{userIdEmail != null ? "Key ID: " + userIdEmail : ""}'
+                            android:textAppearance="?android:attr/textAppearanceSmall"
+                            android:textColor="@{revoked || expired ? revokedExpiredColor : standardColor}" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:id="@+id/status"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_alignParentRight="true"
+                        android:layout_centerVertical="true" />
+
+                </RelativeLayout>
+
+            </LinearLayout>
 
             <RelativeLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:orientation="horizontal">
+                android:padding="8dp">
 
-                <LinearLayout
-                    android:id="@+id/import_item_header_container"
-                    android:layout_width="match_parent"
+                <Button
+                    android:id="@+id/import_key"
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:layout_alignParentLeft="true"
-                    android:layout_toLeftOf="@+id/import_item_status"
-                    android:orientation="vertical">
+                    android:layout_centerVertical="true"
+                    android:background="?android:attr/selectableItemBackground"
+                    android:minHeight="0dp"
+                    android:minWidth="0dp"
+                    android:padding="8dp"
+                    android:text="@string/btn_import" />
 
-                    <TextView
-                        android:id="@+id/import_item_user_id"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:text="Alice"
-                        android:textAppearance="?android:attr/textAppearanceMedium" />
-
-                    <TextView
-                        android:id="@+id/import_item_user_id_email"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_marginTop="4dp"
-                        android:text="alice@example.com"
-                        android:textAppearance="?android:attr/textAppearanceSmall" />
-
-                    <TextView
-                        android:id="@+id/import_item_key_id"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:text="Key ID: abcd abcd abcd abcd"
-                        android:textAppearance="?android:attr/textAppearanceSmall" />
-
-                </LinearLayout>
-
-                <ImageView
-                    android:id="@+id/import_item_status"
+                <ImageButton
+                    android:id="@+id/expand"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentRight="true"
                     android:layout_centerVertical="true"
-                    android:src="@drawable/status_signature_revoked_cutout_24dp" />
+                    android:background="?android:attr/selectableItemBackground"
+                    android:minHeight="0dp"
+                    android:minWidth="0dp"
+                    android:padding="8dp"
+                    android:src="@drawable/ic_expand_more_black_24dp" />
 
             </RelativeLayout>
 
-            <View
-                android:id="@+id/import_item_status_divider"
-                android:layout_width="match_parent"
-                android:layout_height="1dip"
-                android:layout_marginBottom="8dp"
-                android:layout_marginTop="8dp"
-                android:background="?android:attr/listDivider" />
-
             <LinearLayout
-                android:id="@+id/import_item_user_ids_list"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:orientation="vertical" />
-
-            <TextView
-                android:id="@+id/import_item_fingerprint"
+                android:id="@+id/extra_container"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:text="0000 0000 0000 0000 0000\n0000 0000 0000 0000 0000"
-                android:textAppearance="?android:attr/textAppearanceSmall"
-                android:typeface="monospace" />
+                android:animateLayoutChanges="true"
+                android:orientation="vertical"
+                android:paddingBottom="24dp"
+                android:paddingLeft="16dp"
+                android:paddingRight="16dp"
+                android:paddingTop="16dp"
+                android:visibility="gone">
 
-            <TextView
-                android:id="@+id/import_item_algorithm"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:text="RSA"
-                android:textAppearance="?android:attr/textAppearanceSmall" />
+                <LinearLayout
+                    android:id="@+id/user_ids_list"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:orientation="vertical" />
+            </LinearLayout>
 
         </LinearLayout>
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:padding="8dp">
+    </android.support.v7.widget.CardView>
 
-            <Button
-                android:id="@+id/import_item_button"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:background="?android:attr/selectableItemBackground"
-                android:minHeight="0dp"
-                android:minWidth="0dp"
-                android:padding="8dp"
-                android:text="@string/btn_import" />
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</android.support.v7.widget.CardView>
+</layout>
\ No newline at end of file