java: Setting background for executing action chains "all at once" (instead of the current "one by one" implementation).

Author: barancev

java/client/src/org/openqa/selenium/interactions/ActionChainExecutor.java

@@ -0,0 +1,30 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you 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 org.openqa.selenium.interactions;
+
+/**
+ * Interface representing an operation that allows to execute an action chain.
+ */
+public interface ActionChainExecutor {
+
+  /**
+   * @param action action to execute, can be a single action or a CompositeAction
+   */
+  void execute(Action action);
+
+}

java/client/src/org/openqa/selenium/interactions/CanPerformActionChain.java

@@ -0,0 +1,26 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you 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 org.openqa.selenium.interactions;
+
+
+/**
+ * Interface implemented by each driver that implements performing action chains.
+ */
+public interface CanPerformActionChain {
+  ActionChainExecutor getActionChainExecutor();
+}

java/client/src/org/openqa/selenium/remote/DriverCommand.java

@@ -122,6 +122,8 @@ public interface DriverCommand {
   String SET_SCREEN_ORIENTATION = "setScreenOrientation";
   String GET_SCREEN_ORIENTATION = "getScreenOrientation";
 
+  String ACTION_CHAIN = "actionChain";
+
   // These belong to the Advanced user interactions - an element is
   // optional for these commands.
   String CLICK = "mouseClick";

java/client/src/org/openqa/selenium/remote/RemoteActionChainExecutor.java

@@ -0,0 +1,55 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you 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 org.openqa.selenium.remote;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+
+import org.openqa.selenium.interactions.Action;
+import org.openqa.selenium.interactions.ActionChainExecutor;
+import org.openqa.selenium.interactions.CompositeAction;
+import org.openqa.selenium.interactions.Mouse;
+import org.openqa.selenium.interactions.internal.Coordinates;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Executes advanced interactions API commands over wire
+ */
+public class RemoteActionChainExecutor implements ActionChainExecutor {
+  protected final ExecuteMethod executor;
+
+  public RemoteActionChainExecutor(ExecuteMethod executor) {
+    this.executor = executor;
+  }
+
+  public void execute(Action action) {
+    List<Action> actions = new ArrayList<Action>();
+    if (action instanceof CompositeAction) {
+      actions = ((CompositeAction) action).asList();
+    } else {
+      actions.add(action);
+    }
+    Map<String, Object> params = Maps.newHashMap();
+    params.put("chain", actions);
+    executor.execute(DriverCommand.ACTION_CHAIN, params);
+  }
+}