Enable scaling to fit various screen resolutions
[apps/agl-service-windowmanager.git] / src / app.cpp
index 337b0ac..575ab85 100644 (file)
@@ -29,7 +29,6 @@
 #include <json-c/json.h>
 
 #include <algorithm>
-#include <bits/signum.h>
 #include <csignal>
 #include <fstream>
 #include <json.hpp>
 
 namespace wm {
 
+/* DrawingArea name used by "{layout}.{area}" */
+const char kNameLayoutNormal[] = "normal";
+const char kNameLayoutSplit[]  = "split";
+const char kNameAreaFull[]     = "full";
+const char kNameAreaMain[]     = "main";
+const char kNameAreaSub[]      = "sub";
+
+/* Key for json obejct */
+const char kKeyDrawingName[] = "drawing_name";
+const char kKeyDrawingArea[] = "drawing_area";
+const char kKeyDrawingRect[] = "drawing_rect";
+const char kKeyX[]           = "x";
+const char kKeyY[]           = "y";
+const char kKeyWidth[]       = "width";
+const char kKeyHeight[]      = "height";
+const char kKeyWidthPixel[]  = "width_pixel";
+const char kKeyHeightPixel[] = "height_pixel";
+const char kKeyWidthMm[]     = "width_mm";
+const char kKeyHeightMm[]    = "height_mm";
+
 namespace {
 
 using nlohmann::json;
@@ -94,6 +113,10 @@ App::App(wl::display *d)
          } else {
             HMI_ERROR("wm", "%s", l.err().value());
          }
+
+         if (this->config.get_string("scaling_ignore_aspect")) {
+             this->layers.scaling_keep_aspect =false;
+         }
       }
    } catch (std::exception &e) {
       HMI_ERROR("wm", "Loading of configuration failed: %s", e.what());
@@ -208,6 +231,8 @@ int App::init_layers() {
 
    // Write output dimensions to ivi controller...
    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
+   c->physical_size = compositor::size{uint32_t(o->physical_width),
+                                       uint32_t(o->physical_height)};
 
    // Clear scene
    layers.clear();
@@ -215,11 +240,22 @@ int App::init_layers() {
    // Clear screen
    s->clear();
 
+   int width = this->layers.main_surface_width;
+   int height = this->layers.main_surface_height;
+
+   rectangle rect(width, height); // 1080x1920 by default
+   rect.scale(o->width, o->height, this->layers.scaling_keep_aspect);
+   rect.center(o->width, o->height);
+
+   HMI_DEBUG("wm", "Main surface (0,0),%dx%d to (%d,%d),%dx%d",
+             width, height, rect.left(), rect.top(), rect.width(), rect.height());
+
    // Quick and dirty setup of layers
    for (auto const &i : this->layers.mapping) {
-      c->layer_create(i.second.layer_id, o->width, o->height);
+      c->layer_create(i.second.layer_id, rect.width(), rect.height());
       auto &l = layers[i.second.layer_id];
-      l->set_destination_rectangle(0, 0, o->width, o->height);
+      l->set_source_rectangle(0, 0, width, height);
+      l->set_destination_rectangle(rect.left(), rect.top(), rect.width(), rect.height());
       l->set_visibility(1);
       HMI_DEBUG("wm", "Setting up layer %s (%d) for surface role match \"%s\"",
                i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
@@ -260,10 +296,10 @@ void App::surface_set_layout(int surface_id, optional<int> sub_surface_id) {
    // less-than-0 values refer to MAX + 1 - $VALUE
    // e.g. MAX is either screen width or height
    if (w < 0) {
-      w = this->controller->output_size.w + 1 + w;
+      w = this->layers.main_surface_width + 1 + w;
    }
    if (h < 0) {
-      h = this->controller->output_size.h + 1 + h;
+      h = this->layers.main_surface_height + 1 + h;
    }
 
    if (sub_surface_id) {
@@ -291,26 +327,27 @@ void App::surface_set_layout(int surface_id, optional<int> sub_surface_id) {
       HMI_DEBUG("wm", "surface_set_layout for sub surface %u on layer %u",
                *sub_surface_id, layer_id);
 
-      // configure surface to wxh dimensions
-      ss->set_configuration(w, h);
-      // set source reactangle, even if we should not need to set it.
-      ss->set_source_rectangle(0, 0, w, h);
       // set destination to the display rectangle
       ss->set_destination_rectangle(x + x_off, y + y_off, w, h);
 
+      this->area_info[*sub_surface_id].x = x;
+      this->area_info[*sub_surface_id].y = y;
+      this->area_info[*sub_surface_id].w = w;
+      this->area_info[*sub_surface_id].h = h;
    }
 
    HMI_DEBUG("wm", "surface_set_layout for surface %u on layer %u", surface_id,
             layer_id);
 
-   // configure surface to wxh dimensions
-   s->set_configuration(w, h);
-   // set source reactangle, even if we should not need to set it.
-   s->set_source_rectangle(0, 0, w, h);
-
    // set destination to the display rectangle
    s->set_destination_rectangle(x, y, w, h);
 
+   // update area information
+   this->area_info[surface_id].x = x;
+   this->area_info[surface_id].y = y;
+   this->area_info[surface_id].w = w;
+   this->area_info[surface_id].h = h;
+
    HMI_DEBUG("wm", "Surface %u now on layer %u with rect { %d, %d, %d, %d }",
             surface_id, layer_id, x, y, w, h);
 }
@@ -383,16 +420,10 @@ char const *App::api_activate_surface(char const *drawing_name, char const *draw
             // Commit for configuraton
             this->layout_commit();
 
-            if (!(layer->is_normal_layout_only)) {
-               // Wait for configuration listener
-               controller->is_configured = false;
-               while (!(controller->is_configured)) {
-                  dispatch_pending_events();
-               }
-            }
-
             std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
-            this->emit_syncdraw(drawing_name, str_area.c_str());
+            compositor::rect area_rect = this->area_info[*surface_id];
+            this->emit_syncdraw(drawing_name, str_area.c_str(),
+                                area_rect.x, area_rect.y, area_rect.w, area_rect.h);
             this->enqueue_flushdraw(state.main);
          });
    } else {
@@ -401,7 +432,9 @@ char const *App::api_activate_surface(char const *drawing_name, char const *draw
             state, LayoutState{*surface_id}, [&] (LayoutState const &nl) {
                HMI_DEBUG("wm", "Layout: %s", kNameLayoutNormal);
                std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
-               this->emit_syncdraw(drawing_name, str_area.c_str());
+               compositor::rect area_rect = this->area_info[*surface_id];
+               this->emit_syncdraw(drawing_name, str_area.c_str(),
+                                   area_rect.x, area_rect.y, area_rect.w, area_rect.h);
                this->enqueue_flushdraw(state.main);
             });
       } else {
@@ -424,19 +457,19 @@ char const *App::api_activate_surface(char const *drawing_name, char const *draw
                   }
                   state = nl;
 
-                  // Commit for configuraton and visibility(0)
+                  // Commit for configuration and visibility(0)
                   this->layout_commit();
 
-                  // Wait for configuration listener
-                  controller->is_configured = false;
-                  while (!(controller->is_configured)) {
-                     dispatch_pending_events();
-                  }
-
                   std::string str_area_main = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaMain);
                   std::string str_area_sub = std::string(kNameLayoutSplit) + "." + std::string(kNameAreaSub);
-                  this->emit_syncdraw(main.c_str(), str_area_main.c_str());
-                  this->emit_syncdraw(drawing_name, str_area_sub.c_str());
+                  compositor::rect area_rect_main = this->area_info[state.main];
+                  compositor::rect area_rect_sub = this->area_info[*surface_id];
+                  this->emit_syncdraw(main.c_str(), str_area_main.c_str(),
+                                      area_rect_main.x, area_rect_main.y,
+                                      area_rect_main.w, area_rect_main.h);
+                  this->emit_syncdraw(drawing_name, str_area_sub.c_str(),
+                                      area_rect_sub.x, area_rect_sub.y,
+                                      area_rect_sub.w, area_rect_sub.h);
                   this->enqueue_flushdraw(state.main);
                   this->enqueue_flushdraw(state.sub);
                });
@@ -459,16 +492,10 @@ char const *App::api_activate_surface(char const *drawing_name, char const *draw
                   // Commit for configuraton and visibility(0)
                   this->layout_commit();
 
-                  if (!(layer->is_normal_layout_only)) {
-                     // Wait for configuration listener
-                     controller->is_configured = false;
-                     while (!(controller->is_configured)) {
-                        dispatch_pending_events();
-                     }
-                  }
-
                   std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
-                  this->emit_syncdraw(drawing_name, str_area.c_str());
+                  compositor::rect area_rect = this->area_info[*surface_id];
+                  this->emit_syncdraw(drawing_name, str_area.c_str(),
+                                      area_rect.x, area_rect.y, area_rect.w, area_rect.h);
                   this->enqueue_flushdraw(state.main);
                });
          }
@@ -521,7 +548,9 @@ char const *App::api_deactivate_surface(char const *drawing_name) {
 
                this->layout_commit();
                std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
-               this->emit_syncdraw(sub.c_str(), str_area.c_str());
+               compositor::rect area_rect = this->area_info[state.sub];
+               this->emit_syncdraw(sub.c_str(), str_area.c_str(),
+                                   area_rect.x, area_rect.y, area_rect.w, area_rect.h);
                this->enqueue_flushdraw(state.sub);
             });
       } else {
@@ -542,7 +571,9 @@ char const *App::api_deactivate_surface(char const *drawing_name) {
 
             this->layout_commit();
             std::string str_area = std::string(kNameLayoutNormal) + "." + std::string(kNameAreaFull);
-            this->emit_syncdraw(main.c_str(), str_area.c_str());
+            compositor::rect area_rect = this->area_info[state.main];
+            this->emit_syncdraw(main.c_str(), str_area.c_str(),
+                                area_rect.x, area_rect.y, area_rect.w, area_rect.h);
             this->enqueue_flushdraw(state.main);
          });
    } else {
@@ -601,12 +632,21 @@ void App::send_event(char const *evname, char const *label){
    }
 }
 
-void App::send_event(char const *evname, char const *label, char const *area){
-   HMI_DEBUG("wm", "%s: %s(%s, %s)", __func__, evname, label, area);
+void App::send_event(char const *evname, char const *label, char const *area,
+                             int x, int y, int w, int h) {
+   HMI_DEBUG("wm", "%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
+             __func__, evname, label, area, x, y, w, h);
+
+   json_object *j_rect = json_object_new_object();
+   json_object_object_add(j_rect, kKeyX,      json_object_new_int(x));
+   json_object_object_add(j_rect, kKeyY,      json_object_new_int(y));
+   json_object_object_add(j_rect, kKeyWidth,  json_object_new_int(w));
+   json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 
    json_object *j = json_object_new_object();
    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
+   json_object_object_add(j, kKeyDrawingRect, j_rect);
 
    int ret = afb_event_push(this->map_afb_event[evname], j);
    if (ret != 0) {
@@ -665,8 +705,8 @@ void App::emit_deactivated(char const *label) {
    this->send_event(kListEventName[Event_Inactive], label);
 }
 
-void App::emit_syncdraw(char const *label, char const *area) {
-    this->send_event(kListEventName[Event_SyncDraw], label, area);
+void App::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h) {
+   this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
 }
 
 void App::emit_flushdraw(char const *label) {
@@ -686,8 +726,14 @@ void App::emit_visible(char const *label) { return emit_visible(label, true); }
 result<int> App::api_request_surface(char const *drawing_name) {
    auto lid = this->layers.get_layer_id(std::string(drawing_name));
    if (!lid) {
-      // TODO: Do we need to put these applications on the App layer?
-      return Err<int>("Drawing name does not match any role");
+      /**
+       * register drawing_name as fallback and make it displayed.
+       */
+      lid = this->layers.get_layer_id(std::string("Fallback"));
+      HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
+      if(!lid){
+          return Err<int>("Drawing name does not match any role, Fallback is disabled");
+      }
    }
 
    auto rname = this->lookup_id(drawing_name);
@@ -718,7 +764,14 @@ char const *App::api_request_surface(char const *drawing_name,
    unsigned sid = std::stol(ivi_id);
 
    if (!lid) {
-       return "Drawing name does not match any role";
+      /**
+       * register drawing_name as fallback and make it displayed.
+       */
+      lid = this->layers.get_layer_id(std::string("Fallback"));
+      HMI_DEBUG("wm", "%s is not registered in layers.json, then fallback as normal app", drawing_name);
+      if(!lid){
+          return "Drawing name does not match any role, Fallback is disabled";
+      }
    }
 
    auto rname = this->lookup_id(drawing_name);
@@ -741,11 +794,67 @@ char const *App::api_request_surface(char const *drawing_name,
    return nullptr;
 }
 
+result<json_object *> App::api_get_display_info() {
+   // Check controller
+   if (!this->controller) {
+      return Err<json_object *>("ivi_controller global not available");
+   }
+
+   // Set display info
+   compositor::size o_size = this->controller->output_size;
+   compositor::size p_size = this->controller->physical_size;
+
+   json_object *object = json_object_new_object();
+   json_object_object_add(object, kKeyWidthPixel,  json_object_new_int(o_size.w));
+   json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
+   json_object_object_add(object, kKeyWidthMm,     json_object_new_int(p_size.w));
+   json_object_object_add(object, kKeyHeightMm,    json_object_new_int(p_size.h));
+
+   return Ok<json_object *>(object);
+}
+
+result<json_object *> App::api_get_area_info(char const *drawing_name) {
+   HMI_DEBUG("wm", "called");
+
+   // Check drawing name, surface/layer id
+   auto const &surface_id = this->lookup_id(drawing_name);
+   if (!surface_id) {
+      return Err<json_object *>("Surface does not exist");
+   }
+
+   if (!this->controller->surface_exists(*surface_id)) {
+      return Err<json_object *>("Surface does not exist in controller!");
+   }
+
+   auto layer_id = this->layers.get_layer_id(*surface_id);
+   if (!layer_id) {
+      return Err<json_object *>("Surface is not on any layer!");
+   }
+
+   auto o_state = *this->layers.get_layout_state(*surface_id);
+   if (o_state == nullptr) {
+      return Err<json_object *>("Could not find layer for surface");
+   }
+
+   struct LayoutState &state = *o_state;
+   if ((state.main != *surface_id) && (state.sub != *surface_id)) {
+      return Err<json_object *>("Surface is inactive");
+   }
+
+   // Set area rectangle
+   compositor::rect area_info = this->area_info[*surface_id];
+   json_object *object = json_object_new_object();
+   json_object_object_add(object, kKeyX,      json_object_new_int(area_info.x));
+   json_object_object_add(object, kKeyY,      json_object_new_int(area_info.y));
+   json_object_object_add(object, kKeyWidth,  json_object_new_int(area_info.w));
+   json_object_object_add(object, kKeyHeight, json_object_new_int(area_info.h));
+
+   return Ok<json_object *>(object);
+}
+
 void App::activate(int id) {
    auto ip = this->controller->sprops.find(id);
    if (ip != this->controller->sprops.end()) {
-      this->controller->surfaces[id]->set_visibility(0);
-      this->layout_commit();
       this->controller->surfaces[id]->set_visibility(1);
       char const *label =
          this->lookup_name(id).value_or("unknown-name").c_str();