1 files changed, 123 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/ui/menu/DeleteCallLogItemModule.java b/java/com/android/dialer/calllog/ui/menu/DeleteCallLogItemModule.java
new file mode 100644
index 000000000..ac2e3b3da
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+++ b/java/com/android/dialer/calllog/ui/menu/DeleteCallLogItemModule.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2018 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.ui.menu;
+
+import android.Manifest.permission;
+import android.content.Context;
+import android.provider.CallLog;
+import android.provider.CallLog.Calls;
+import android.support.annotation.Nullable;
+import android.support.annotation.RequiresPermission;
+import com.android.dialer.CoalescedIds;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.DialerExecutor.Worker;
+import com.android.dialer.common.concurrent.DialerExecutorComponent;
+import com.android.dialer.common.database.Selection;
+import com.android.dialer.contactactions.ContactActionModule;
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.List;
+
+/** {@link ContactActionModule} for deleting a call log item in the new call log. */
+public final class DeleteCallLogItemModule implements ContactActionModule {
+  private static final String TAG = DeleteCallLogItemModule.class.getName();
+
+  private final Context context;
+  private final CoalescedIds coalescedIds;
+
+  public DeleteCallLogItemModule(Context context, CoalescedIds coalescedIds) {
+    this.context = context;
+    this.coalescedIds = coalescedIds;
+  }
+
+  @Override
+  public int getStringId() {
+    return R.string.delete;
+  }
+
+  @Override
+  public int getDrawableId() {
+    return R.drawable.quantum_ic_delete_vd_theme_24;
+  }
+
+  @Override
+  public boolean onClick() {
+    DialerExecutorComponent.get(context)
+        .dialerExecutorFactory()
+        .createNonUiTaskBuilder(new CallLogItemDeletionWorker(context))
+        .build()
+        .executeSerial(coalescedIds);
+    return true;
+  }
+
+  /**
+   * A {@link Worker} that deletes a call log item.
+   *
+   * <p>It takes as input the IDs of all call log records that are coalesced into the item to be
+   * deleted.
+   */
+  private static class CallLogItemDeletionWorker implements Worker<CoalescedIds, Void> {
+    private final WeakReference<Context> contextWeakReference;
+
+    CallLogItemDeletionWorker(Context context) {
+      contextWeakReference = new WeakReference<>(context);
+    }
+
+    @Nullable
+    @Override
+    @RequiresPermission(value = permission.WRITE_CALL_LOG)
+    public Void doInBackground(CoalescedIds coalescedIds) throws Throwable {
+      Context context = contextWeakReference.get();
+      if (context == null) {
+        LogUtil.e(TAG, "Unable to delete an call log item due to null context.");
+        return null;
+      }
+
+      Selection selection =
+          Selection.builder()
+              .and(Selection.column(CallLog.Calls._ID).in(getCallLogIdsAsStrings(coalescedIds)))
+              .build();
+      int numRowsDeleted =
+          context
+              .getContentResolver()
+              .delete(Calls.CONTENT_URI, selection.getSelection(), selection.getSelectionArgs());
+
+      if (numRowsDeleted != coalescedIds.getCoalescedIdCount()) {
+        LogUtil.e(
+            TAG,
+            "Deleting call log item is unsuccessful. %d of %d rows are deleted.",
+            numRowsDeleted,
+            coalescedIds.getCoalescedIdCount());
+      }
+
+      return null;
+    }
+
+    private static List<String> getCallLogIdsAsStrings(CoalescedIds coalescedIds) {
+      Assert.checkArgument(coalescedIds.getCoalescedIdCount() > 0);
+
+      List<String> idStrings = new ArrayList<>(coalescedIds.getCoalescedIdCount());
+
+      for (long callLogId : coalescedIds.getCoalescedIdList()) {
+        idStrings.add(String.valueOf(callLogId));
+      }
+
+      return idStrings;
+    }
+  }
+}