1 files changed, 67 insertions, 0 deletions
diff --git a/src/com/android/calculator2/HistoryItem.java b/src/com/android/calculator2/HistoryItem.java
new file mode 100644
index 0000000..f20d1a7
--- /dev/null
+++ b/src/com/android/calculator2/HistoryItem.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.calculator2;
+
+import android.text.Spannable;
+import android.text.format.DateUtils;
+
+public class HistoryItem {
+
+    private long mEvaluatorIndex;
+    /** Date in millis */
+    private long mTimeInMillis;
+    private Spannable mFormula;
+
+    /** This is true only for the "empty history" view. */
+    private final boolean mIsEmpty;
+
+    public HistoryItem(long evaluatorIndex, long millis, Spannable formula) {
+        mEvaluatorIndex = evaluatorIndex;
+        mTimeInMillis = millis;
+        mFormula = formula;
+        mIsEmpty = false;
+    }
+
+    public long getEvaluatorIndex() {
+        return mEvaluatorIndex;
+    }
+
+    public HistoryItem() {
+        mIsEmpty = true;
+    }
+
+    public boolean isEmptyView() {
+        return mIsEmpty;
+    }
+
+    /**
+     * @return String in format "n days ago"
+     * For n > 7, the date is returned.
+     */
+    public CharSequence getDateString() {
+        return DateUtils.getRelativeTimeSpanString(mTimeInMillis, System.currentTimeMillis(),
+                DateUtils.DAY_IN_MILLIS, DateUtils.FORMAT_ABBREV_RELATIVE);
+    }
+
+    public long getTimeInMillis() {
+        return mTimeInMillis;
+    }
+
+    public Spannable getFormula() {
+        return mFormula;
+    }
+}
+\ No newline at end of file