src/wm_layer_control.hpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <string>
  18 #include <memory>
  19 #include <vector>
  20 #include <unordered_map>
  21 #include <functional>
  22 #include <ilm/ilm_control.h>
  23 #include "wm_error.hpp"
  24 #include "util.hpp"
  25
  26 namespace wm {
  27
  28 class Screen {
  29   public:
  30     Screen(unsigned w, unsigned h) : _width(w), _height(h){}
  31     unsigned width() { return _width; }
  32     unsigned height() { return _height; }
  33   private:
  34     unsigned _width;
  35     unsigned _height;
  36     unsigned _pysical_width = 0;
  37     unsigned _pysical_height = 0;
  38 };
  39
  40 class LayerControlCallbacks {
  41   public:
  42     LayerControlCallbacks() {};
  43     ~LayerControlCallbacks() = default;
  44     LayerControlCallbacks(const LayerControlCallbacks &obj) = default;
  45
  46     // callback functions
  47     std::function<void(unsigned, unsigned)> surfaceCreated;
  48     /* std::function<void(unsigned)> surfaceDestroyed;
  49     std::function<void(unsigned)> layerCreated;
  50     std::function<void(unsigned)> layerDestroyed; */
  51 };
  52
  53 class WMLayer;
  54 class LayerState;
  55 class WMAction;
  56 class WMClient;
  57
  58 class LayerControl
  59 {
  60   public:
  61     explicit LayerControl(const std::string& root);
  62     ~LayerControl() = default;
  63     WMError init(const LayerControlCallbacks& cb);
  64     void createNewLayer(unsigned id);
  65     unsigned getNewLayerID(const std::string& role, std::string* layer_name);
  66     std::shared_ptr<WMLayer> getWMLayer(unsigned layer);
  67     // std::shared_ptr<WMLayer> getWMLayer(std::string layer_name);
  68     struct rect getAreaSize(const std::string& area);
  69     void setupArea(double scaling);
  70     Screen getScreenInfo();
  71     double scale();
  72     // void setRenderOrder(const std::vector<unsigned> layer_render_order);
  73     // std::vector<unsigned> getAllRenderOrder();
  74     // std::vector<std::shared_ptr<WMLayer>>& getAllLayers();
  75     // std::vector<unsigned> getRenderOrder(const std::string& layer_name);
  76     WMError updateLayer(LayerState& layer_state);
  77     WMError commitChange();
  78     // WMError renderWMLayers();
  79     void undoUpdate();
  80     WMError layoutChange(const WMAction& action);
  81     WMError visibilityChange(const WMAction &action);
  82
  83     // Don't use this function.
  84     void dispatchCreateEvent(ilmObjectType object, unsigned id, bool created);
  85     void dispatchPropertyChangeEvent(unsigned id, struct ilmSurfaceProperties*, t_ilm_notification_mask);
  86     void dispatchPropertyChangeEvent(unsigned id, struct ilmLayerProperties*, t_ilm_notification_mask);
  87   private:
  88     WMError makeVisible(const std::shared_ptr<WMClient> client);
  89     WMError makeInvisible(const std::shared_ptr<WMClient> client);
  90     WMError loadLayerSetting(const std::string& path);
  91     WMError loadAreaDb(const std::string& path);
  92
  93     std::vector<std::shared_ptr<WMLayer>> wm_layers;
  94     std::unordered_map<unsigned, unsigned> lid2wmlid;
  95     std::unordered_map<std::string, struct rect> area2size;
  96     unsigned screenID;
  97     struct ilmScreenProperties screen_prop;
  98     double scaling;
  99     LayerControlCallbacks cb;
 100 };
 101
 102 } // namespace wm