Update AOSP Dialer source from internal google3 repository at

cl/158012278.

Test: make, treehugger

This CL updates the AOSP Dialer source with all the changes that have
gone into the private google3 repository. This includes all the
changes from cl/152373142 (4/06/2017) to cl/158012278 (6/05/2017).

This goal of these drops is to keep the AOSP source in sync with the
internal google3 repository. Currently these sync are done by hand
with very minor modifications to the internal source code.
See the Android.mk file for list of modifications.
Our current goal is to do frequent drops (daily if possible) and
eventually switched to an automated process.

Change-Id: I4d3f14b5140e2e51bead9497bc118a205b3ebe76

1 files changed, 142 insertions, 0 deletions

diff --git a/java/com/android/dialer/calllog/database/Coalescer.java b/java/com/android/dialer/calllog/database/Coalescer.java
new file mode 100644
index 000000000..e3dfb7ece
--- /dev/null
+++ b/java/com/android/dialer/calllog/database/Coalescer.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2017 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.dialer.calllog.database;
+
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.database.DatabaseUtils;
+import android.database.MatrixCursor;
+import android.support.annotation.NonNull;
+import android.support.annotation.WorkerThread;
+import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
+import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.CoalescedAnnotatedCallLog;
+import com.android.dialer.calllog.datasources.CallLogDataSource;
+import com.android.dialer.calllog.datasources.DataSources;
+import com.android.dialer.common.Assert;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import javax.inject.Inject;
+
+/**
+ * Coalesces call log rows by combining some adjacent rows.
+ *
+ * <p>Applies the business which logic which determines which adjacent rows should be coalasced, and
+ * then delegates to each data source to determine how individual columns should be aggregated.
+ */
+public class Coalescer {
+
+  private final DataSources dataSources;
+
+  @Inject
+  Coalescer(DataSources dataSources) {
+    this.dataSources = dataSources;
+  }
+
+  /**
+   * Reads the entire {@link AnnotatedCallLog} database into memory from the provided {@code
+   * allAnnotatedCallLog} parameter and then builds and returns a new {@link MatrixCursor} which is
+   * the result of combining adjacent rows which should be collapsed for display purposes.
+   *
+   * @param allAnnotatedCallLogRowsSortedByTimestampDesc all {@link AnnotatedCallLog} rows, sorted
+   *     by timestamp descending
+   * @return a new {@link MatrixCursor} containing the {@link CoalescedAnnotatedCallLog} rows to
+   *     display
+   */
+  @WorkerThread
+  @NonNull
+  Cursor coalesce(@NonNull Cursor allAnnotatedCallLogRowsSortedByTimestampDesc) {
+    Assert.isWorkerThread();
+
+    // Note: This method relies on rowsShouldBeCombined to determine which rows should be combined,
+    // but delegates to data sources to actually aggregate column values.
+
+    MatrixCursor allCoalescedRowsMatrixCursor =
+        new MatrixCursor(
+            CoalescedAnnotatedCallLog.ALL_COLUMNS,
+            Assert.isNotNull(allAnnotatedCallLogRowsSortedByTimestampDesc).getCount());
+
+    if (allAnnotatedCallLogRowsSortedByTimestampDesc.moveToFirst()) {
+      int coalescedRowId = 0;
+
+      List<ContentValues> currentRowGroup = new ArrayList<>();
+
+      do {
+        ContentValues currentRow = new ContentValues();
+        DatabaseUtils.cursorRowToContentValues(
+            allAnnotatedCallLogRowsSortedByTimestampDesc, currentRow);
+
+        if (currentRowGroup.isEmpty()) {
+          currentRowGroup.add(currentRow);
+          continue;
+        }
+
+        ContentValues previousRow = currentRowGroup.get(currentRowGroup.size() - 1);
+
+        if (!rowsShouldBeCombined(previousRow, currentRow)) {
+          ContentValues coalescedRow = coalesceRowsForAllDataSources(currentRowGroup);
+          coalescedRow.put(CoalescedAnnotatedCallLog.NUMBER_CALLS, currentRowGroup.size());
+          addContentValuesToMatrixCursor(
+              coalescedRow, allCoalescedRowsMatrixCursor, coalescedRowId++);
+          currentRowGroup.clear();
+        }
+        currentRowGroup.add(currentRow);
+      } while (allAnnotatedCallLogRowsSortedByTimestampDesc.moveToNext());
+
+      // Deal with leftover rows.
+      ContentValues coalescedRow = coalesceRowsForAllDataSources(currentRowGroup);
+      coalescedRow.put(CoalescedAnnotatedCallLog.NUMBER_CALLS, currentRowGroup.size());
+      addContentValuesToMatrixCursor(coalescedRow, allCoalescedRowsMatrixCursor, coalescedRowId);
+    }
+    return allCoalescedRowsMatrixCursor;
+  }
+
+  /**
+   * @param row1 a row from {@link AnnotatedCallLog}
+   * @param row2 a row from {@link AnnotatedCallLog}
+   */
+  private static boolean rowsShouldBeCombined(ContentValues row1, ContentValues row2) {
+    // TODO: Real implementation.
+    return row1.get(AnnotatedCallLog.TIMESTAMP).equals(row2.get(AnnotatedCallLog.TIMESTAMP));
+  }
+
+  /**
+   * Delegates to data sources to aggregate individual columns to create a new coalesced row.
+   *
+   * @param individualRows {@link AnnotatedCallLog} rows sorted by timestamp descending
+   * @return a {@link CoalescedAnnotatedCallLog} row
+   */
+  private ContentValues coalesceRowsForAllDataSources(List<ContentValues> individualRows) {
+    ContentValues coalescedValues = new ContentValues();
+    for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) {
+      coalescedValues.putAll(dataSource.coalesce(individualRows));
+    }
+    return coalescedValues;
+  }
+
+  /**
+   * @param contentValues a {@link CoalescedAnnotatedCallLog} row
+   * @param matrixCursor represents {@link CoalescedAnnotatedCallLog}
+   */
+  private static void addContentValuesToMatrixCursor(
+      ContentValues contentValues, MatrixCursor matrixCursor, int rowId) {
+    MatrixCursor.RowBuilder rowBuilder = matrixCursor.newRow();
+    rowBuilder.add(CoalescedAnnotatedCallLog._ID, rowId);
+    for (Map.Entry<String, Object> entry : contentValues.valueSet()) {
+      rowBuilder.add(entry.getKey(), entry.getValue());
+    }
+  }
+}