app/main: add send_event() to binding_api

[staging/windowmanager.git] / src / app.hpp

diff --git a/src/app.hpp b/src/app.hpp
index 512f272..da614a0 100644 (file)
--- a/src/app.hpp
+++ b/src/app.hpp
@@ -1,19 +1,35 @@
-//
-// Created by mfritzsc on 7/11/17.
-//
+/*
+ * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
+ *
+ * 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.
+ */
 
 #ifndef TMCAGLWM_APP_HPP
 #define TMCAGLWM_APP_HPP
 
 #include <json-c/json.h>
 #include <memory>
+#include <unordered_map>
+#include <unordered_set>
+#include <deque>
 
 #include "afb_binding_api.hpp"
-#include "result.hpp"
-#include "wayland.hpp"
-#include "layout.hpp"
+#include "config.hpp"
 #include "controller_hooks.hpp"
 #include "layers.hpp"
+#include "layout.hpp"
+#include "result.hpp"
+#include "wayland.hpp"
 
 namespace wl {
 struct display;
@@ -25,6 +41,64 @@ struct controller;
 
 namespace wm {
 
+struct id_allocator {
+   constexpr static unsigned id_shift = 20;
+   constexpr static unsigned id_mask = (1 << id_shift) - 1;
+
+   unsigned next = 1;
+
+   // Surfaces that where requested but not yet created
+   std::unordered_map<unsigned, std::string> surfaces;
+   // std::unordered_set<unsigned> pending_surfaces;
+   std::unordered_map<std::string, unsigned> names;
+
+   id_allocator(id_allocator const &) = delete;
+   id_allocator(id_allocator &&) = delete;
+   id_allocator &operator=(id_allocator const &);
+   id_allocator &operator=(id_allocator &&) = delete;
+
+   // Insert and return a new ID
+   unsigned generate_id(std::string const &name) {
+      unsigned sid = this->next++;
+      sid <<= id_shift;
+      this->surfaces[sid] = name;
+      // this->pending_surfaces.insert({sid});
+      this->names[name] = sid;
+      logdebug("allocated new id %u with name %s", sid, name.c_str());
+      return sid;
+   }
+
+   // Lookup by ID or by name
+   optional<unsigned> lookup(std::string const &name) const {
+      auto i = this->names.find(name);
+      return i == this->names.end() ? nullopt : optional<unsigned>(i->second);
+   }
+
+   optional<std::string> lookup(unsigned id) const {
+      auto i = this->surfaces.find(id);
+      return i == this->surfaces.end() ? nullopt
+                                       : optional<std::string>(i->second);
+   }
+
+   // Remove a surface id and name
+   // I don't think I will need this, do I?
+   void remove_id(std::string const &name) {
+      auto i = this->names.find(name);
+      if (i != this->names.end()) {
+         this->surfaces.erase(i->second);
+         this->names.erase(i);
+      }
+   }
+
+   void remove_id(unsigned id) {
+      auto i = this->surfaces.find(id);
+      if (i != this->surfaces.end()) {
+         this->names.erase(i->second);
+         this->surfaces.erase(i);
+      }
+   }
+};
+
 struct App {
    struct binding_api api;
    struct controller_hooks chooks;
@@ -35,21 +109,58 @@ struct App {
    std::unique_ptr<struct genivi::controller> controller;
    std::vector<std::unique_ptr<struct wl::output>> outputs;
 
+   struct config config;
+
    layouts_type layouts;
-   surface_id_to_layer_map surface2layer;
+   layer_map layers;
+
+   typedef std::pair<char const *, std::function<void()>> name_task_pair;
+   std::vector<name_task_pair> pending;
+
+   typedef std::map<std::string, int> drawing_name_map;
+   drawing_name_map name_mapping;
 
-   App(wl::display *d);
+   struct id_allocator id_alloc;
+
+   std::deque<unsigned> last_active;
+
+   explicit App(wl::display *d);
    ~App();
 
    App(App const &) = delete;
    App &operator=(App const &) = delete;
+   App(App &&) = delete;
+   App &operator=(App &&) = delete;
 
    int init();
-   int dispatch_events();
    int init_layout();
 
+   int dispatch_events();
+
+   void surface_set_layout(uint32_t surface_id);
+   char const *activate_surface(uint32_t surface_id);
+   char const *deactivate_surface(uint32_t surface_id);
+
+   // Allocate a surface ID for this role
+   result<int> request_surface(char const *drawing_name);
+
+   // Activate (i.e. make visible, if allowed!) a surface
+   char const *activate_surface(char const *drawing_name);
+   char const *deactivate_surface(char const *drawing_name);
+
+   // add tasks, executed after dispatch_events()
+   void add_task(char const *name, std::function<void()> &&f);
+   void execute_pending();
+
+   // Events from the compositor we are interested in
    void surface_created(uint32_t surface_id);
    void surface_removed(uint32_t surface_id);
+
+   // TMC WM Events to clients
+   void emit_activated(char const *label);
+   void emit_deactivated(char const *label);
+   void emit_syncdraw(char const *label);
+   void emit_visible(char const *label, bool is_visible);
 };
 
 }  // namespace wm