LayerManagerCommands/src/LayerRemoveCommand.cpp

   1 /***************************************************************************
   2 *
   3 * Copyright 2010,2011 BMW Car IT GmbH
   4 *
   5 *
   6 * Licensed under the Apache License, Version 2.0 (the "License");
   7 * you may not use this file except in compliance with the License.
   8 * You may obtain a copy of the License at
   9 *
  10 *        http://www.apache.org/licenses/LICENSE-2.0
  11 *
  12 * Unless required by applicable law or agreed to in writing, software
  13 * distributed under the License is distributed on an "AS IS" BASIS,
  14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 * See the License for the specific language governing permissions and
  16 * limitations under the License.
  17 *
  18 ****************************************************************************/
  19 #include "LayerRemoveCommand.h"
  20 #include "ICommandExecutor.h"
  21 #include "Scene.h"
  22 #include "Log.h"
  23 #include <sstream>
  24
  25 ExecutionResult LayerRemoveCommand::execute(ICommandExecutor* executor)
  26 {
  27     Scene& scene = *(executor->getScene());
  28
  29     ExecutionResult result = ExecutionFailed;
  30
  31     Layer* layer = scene.getLayer(m_idToRemove);
  32     if (layer)
  33     {
  34         if (scene.removeLayer(layer))
  35         {
  36             IRenderer* renderer = *((executor->getRendererList())->begin());
  37             renderer->forceCompositionWindowSystem();
  38             result = ExecutionSuccessRedraw;
  39         }
  40         else
  41         {
  42             result = ExecutionSuccess;
  43         }
  44     }
  45
  46     return result;
  47 }
  48
  49 const std::string LayerRemoveCommand::getString()
  50 {
  51     std::stringstream description;
  52     description << "LayerRemoveCommand("
  53                 << "idToRemove=" << m_idToRemove << "(0x" << std::hex << m_idToRemove << ")" << std::dec
  54                 << ")";
  55     return description.str();
  56 }