-//
-// 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.
+ */
#include "app.hpp"
+#include "json_helper.hpp"
+#include "layers.hpp"
+#include "layout.hpp"
+#include "util.hpp"
+#include "wayland.hpp"
+
+#include <cstdio>
+#include <memory>
+
+#include <cassert>
+
+#include <json-c/json.h>
+
+#include <algorithm>
+#include <bits/signum.h>
+#include <csignal>
+#include <fstream>
+#include <thread>
+#include <json.hpp>
namespace wm {
- App::App()
- : api{this}
- {}
+namespace {
+App *g_app;
+
+using json = nlohmann::json;
+
+struct wm::area area_from_json(json const &j) {
+ return wm::area{
+ j["name"],
+ {
+ j["width"], j["height"], j["x"], j["y"],
+ },
+ j["zorder"],
+ };
+}
+
+result<struct layout> layout_from_json(json const &j) {
+ auto &ja = j["areas"];
+
+ auto l = layout{j["name"], uint32_t(ja.size()), {}};
+
+ if (ja.size() > layout::MAX_N_AREAS) {
+ return Err<struct layout>("Invalid number of areas in layout");
+ }
+
+ logdebug("Loading layout '%s' with %u areas", l.name.c_str(),
+ unsigned(ja.size()));
+
+ std::transform(std::cbegin(ja), std::cend(ja), std::begin(l.areas),
+ area_from_json);
+
+ return Ok(l);
+}
+
+result<json> file_to_json(char const *filename) {
+ std::ifstream i(filename);
+ if (i.fail()) {
+ return Err<json>("Could not open config file");
+ }
+ json j;
+ i >> j;
+ return Ok(j);
+}
+
+// Will throw if parsing fails
+struct result<layouts_type> load_layout(char const *filename) {
+ logdebug("loading layout from %s", filename);
+
+ auto j = file_to_json(filename);
+ if (j.is_err()) {
+ return Err<layouts_type>(j.unwrap_err());
+ }
+ json jlayouts = j.unwrap();
+
+ auto layouts = layouts_type();
+ layouts.reserve(jlayouts.size());
+ std::transform(std::cbegin(jlayouts), std::cend(jlayouts),
+ std::back_inserter(layouts), layout_from_json);
+
+ return Ok(layouts);
+}
+
+struct result<layer_map>
+ load_layer_map(char const *filename) {
+ logdebug("loading IDs from %s", filename);
+
+ auto j = file_to_json(filename);
+ if (j.is_err()) {
+ return Err<layer_map>(j.unwrap_err());
+ }
+ json jids = j.unwrap();
+
+ return to_layer_map(jids);
+}
+
+} // namespace
+
+// _ _ _ _
+// ___| | __ _ ___ ___ / \ _ __ _ __ (_)_ __ ___ _ __ | |
+// / __| |/ _` / __/ __| / _ \ | '_ \| '_ \ | | '_ ` _ \| '_ \| |
+// | (__| | (_| \__ \__ \ / ___ \| |_) | |_) | | | | | | | | |_) | |
+// \___|_|\__,_|___/___/ /_/ \_\ .__/| .__/ |_|_| |_| |_| .__/|_|
+// |_| |_| |_|
+App::App(wl::display *d)
+ : api{this},
+ chooks{this},
+ display{d},
+ controller{},
+ outputs(),
+ config(),
+ layouts(),
+ layers(),
+ name_mapping(),
+ id_alloc{},
+ last_active() {
+ assert(g_app == nullptr);
+ g_app = this;
+
+ try {
+ {
+ auto l = load_layer_map(
+ this->config.get_string("layers.json").value().c_str());
+ if (l.is_ok()) {
+ this->layers = l.unwrap();
+ } else {
+ logerror("%s", l.err().value());
+ }
+ }
+
+ {
+ auto l =
+ load_layout(this->config.get_string("layout.json").value().c_str());
+ if (l.is_ok()) {
+ this->layouts = l.unwrap();
+ } else {
+ logerror("%s", l.err().value());
+ }
+ }
+ } catch (std::exception &e) {
+ logerror("Loading of configuration failed: %s", e.what());
+ }
+}
+
+App::~App() { g_app = nullptr; }
+
+int App::init() {
+ if (!this->display->ok()) {
+ return -1;
+ }
+
+ if (this->layers.mapping.empty()) {
+ logerror("No surface -> layer mapping loaded");
+ return -1;
+ }
+
+ this->display->add_global_handler(
+ "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
+ this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
+ });
+
+ this->display->add_global_handler(
+ "ivi_controller", [this](wl_registry *r, uint32_t name, uint32_t v) {
+ this->controller = std::make_unique<struct genivi::controller>(r, name, v);
+
+ // Init controller hooks
+ this->controller->chooks = &this->chooks;
+
+ // XXX: This protocol needs the output, so lets just add our mapping
+ // here...
+ this->controller->add_proxy_to_id_mapping(
+ this->outputs.back()->proxy.get(),
+ wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
+ this->outputs.back()->proxy.get())));
+ });
+
+ // First level objects
+ this->display->roundtrip();
+ // Second level objects
+ this->display->roundtrip();
+ // Third level objects
+ this->display->roundtrip();
+
+ return init_layout();
+}
+
+int App::dispatch_events() {
+ int ret = this->display->dispatch();
+ if (ret == -1) {
+ logerror("wl_display_dipatch() returned error %d",
+ this->display->get_error());
+ return -1;
+ }
+ this->display->flush();
+
+ // execute pending tasks, that is layout changes etc.
+ //this->execute_pending();
+
+ return 0;
+}
+
+// _ _ _ _ _ ____
+// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
+// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
+// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
+// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
+// |_____| |___/ \_\/_/
+int App::init_layout() {
+ if (!this->controller) {
+ logerror("ivi_controller global not available");
+ return -1;
+ }
+
+ if (this->outputs.empty()) {
+ logerror("no output was set up!");
+ return -1;
+ }
+
+ auto &c = this->controller;
+
+ auto &o = this->outputs.front();
+ auto &s = c->screens.begin()->second;
+ auto &layers = c->layers;
+
+ // XXX: Write output dimensions to ivi controller...
+ c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
+
+ // Clear scene
+ layers.clear();
+
+ // Clear screen
+ s->clear();
+
+ // Quick and dirty setup of layers
+ // XXX: This likely needs to be sorted by order (note, we don't (yet?)
+ // do any zorder arrangement).
+ for (auto const &i : this->layers.mapping) {
+ c->layer_create(i.layer_id, o->width, o->height);
+ auto &l = layers[i.layer_id];
+ l->set_destination_rectangle(0, 0, o->width, o->height);
+ l->set_visibility(1);
+ logdebug("Setting up layer %s (%d) for surfaces %d-%d", i.name.c_str(),
+ i.layer_id, i.id_min, i.id_max);
+ }
+
+ // Add layers to screen (XXX: are they sorted correctly?)
+ s->set_render_order(this->layers.layers);
+
+ c->commit_changes();
+
+ this->display->flush();
+
+ return 0;
+}
+
+namespace {
+
+// This can fix the HomeScreen...
+void redraw_fix(App *app, std::unique_ptr<genivi::surface> &s, int x, int y, int w, int h) {
+ { // XXX: Work around weston redraw issues
+ // trigger an update by changing the source dimensions!
+ s->set_configuration(w, h);
+ s->set_source_rectangle(0, 0, w, h);
+ s->set_destination_rectangle(x, y, w, h);
+ app->controller->commit_changes();
+ app->display->roundtrip();
+
+ // wait some time, for the process to do its thing...
+ using namespace std::chrono_literals;
+ std::this_thread::sleep_for(100ms);
+
+ // Set a different size then what we actually want.
+ s->set_configuration(w + 1, h);
+ s->set_source_rectangle(0, 0, w + 1, h);
+ s->set_destination_rectangle(x, y, w + 1, h);
+ app->controller->commit_changes();
+ app->display->roundtrip();
+
+ std::this_thread::sleep_for(100ms);
+ }
+}
+
+} // namespace
+
+void App::surface_set_layout(uint32_t surface_id) {
+ if (!this->controller->surface_exists(surface_id)) {
+ logerror("Surface %d does not exist", int(surface_id));
+ return;
+ }
+
+ auto o_layer_id = this->layers.get_layer_id(surface_id);
+
+ if (!o_layer_id) {
+ logerror("Surface %d is not associated with any layer!", int(surface_id));
+ return;
+ }
+
+ uint32_t layer_id = o_layer_id.value();
+ logdebug("surface_set_layout for surface %u on layer %u", surface_id,
+ layer_id);
+
+ auto const &layer = this->layers.get_layer(layer_id);
+ auto rect = layer.value().rect;
+ auto &s = this->controller->surfaces[surface_id];
+
+ int x = rect.x;
+ int y = rect.y;
+ int w = rect.w;
+ int h = rect.h;
+
+ // 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;
+ }
+ if (h < 0) {
+ h = this->controller->output_size.h + 1 + h;
+ }
+
+ redraw_fix(this, s, x, y, w, h);
+
+ // 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);
+
+ s->set_visibility(0);
+ s->set_opacity(256);
+
+ this->controller->commit_changes();
+ this->display->roundtrip();
+
+ this->controller->layers[layer_id]->add_surface(s.get());
+
+ // activate the main_surface right away
+ if (surface_id == static_cast<unsigned>(this->layers.main_surface)) {
+ logdebug("Activating main_surface (%d)", surface_id);
+
+ this->activate_surface(surface_id);
+ }
+
+ logdebug("Surface %u now on layer %u with rect { %d, %d, %d, %d }",
+ surface_id, layer_id, x, y, w, h);
+}
+
+char const *App::activate_surface(uint32_t surface_id) {
+ if (!this->controller->surface_exists(surface_id)) {
+ return "Surface does not exist";
+ }
+
+ // This should involve a policy check, but as we do not (yet) have
+ // such a thing, we will just switch to this surface.
+ // XXX: input focus missing!!1
+
+ // Make it visible, no (or little effect) if already visible
+ auto &s = this->controller->surfaces[surface_id];
+
+ // Set all others invisible
+ for (auto &i : this->controller->surfaces) {
+ auto &si = this->controller->sprops[i.second->id];
+ if (int(si.id) != this->layers.main_surface) {
+ i.second->set_visibility(0);
+ this->controller->commit_changes();
+ this->display->flush();
+ }
+ }
+ s->set_visibility(1);
+
+ // commit changes
+ this->controller->commit_changes();
+ this->display->flush();
+
+ // Current active surface is the first in last_active
+ this->last_active.push_front(s->id);
+ /// // XXX: I am not sure I even need 5 elements...
+ /// this->last_active.resize(std::min(int(this->last_active.size()), 5));
+
+ // no error
+ return nullptr;
+}
+
+char const *App::deactivate_surface(uint32_t surface_id) {
+ if (surface_id == this->layers.main_surface) {
+ return "Cannot deactivate main_surface";
+ }
+
+ if (this->last_active.empty()) {
+ return "Cannot deactivate surface (not active)";
+ }
+
+ // XXX: should an active surface not alsways be front() or
+ // front+1() of last_active?!
+
+ // XXX: Should I really be able to deactivate a surface that is not
+ // front() of last_active?
+ auto is = std::find(this->last_active.begin(),
+ this->last_active.end(),
+ surface_id);
+
+ if (is == this->last_active.end()) {
+ return "Cannot deactivate surface (not active)";
+ }
+
+ this->last_active.erase(is);
+
+ if (! this->last_active.empty()) {
+ // Should be active already, shouldn't it?
+ this->activate_surface(this->last_active.front());
+ } else {
+ this->activate_surface(this->layers.main_surface);
+ }
+
+ return nullptr;
+}
+
+// _ _ _____ _
+// _ __ _ __ _____ _(_) ___ __| | | ____|_ _____ _ __ | |_ ___
+// | '_ \| '__/ _ \ \/ / |/ _ \/ _` | | _| \ \ / / _ \ '_ \| __/ __|
+// | |_) | | | (_) > <| | __/ (_| | | |___ \ V / __/ | | | |_\__ \
+// | .__/|_| \___/_/\_\_|\___|\__,_| |_____| \_/ \___|_| |_|\__|___/
+// |_|
+void App::surface_created(uint32_t surface_id) {
+ //surface_id >>= id_allocator::id_shift;
+
+ logdebug("surface_id is %u", surface_id);
+
+ this->surface_set_layout(surface_id);
+}
+
+void App::surface_removed(uint32_t surface_id) {
+ //surface_id >>= id_allocator::id_shift;
+
+ logdebug("surface_id is %u", surface_id);
+
+ this->id_alloc.remove_id(surface_id);
+
+ // Also remove from last_active, if found
+ auto i = std::find(this->last_active.begin(),
+ this->last_active.end(), surface_id);
+ if (i != this->last_active.end()) {
+ this->last_active.erase(i);
+ }
+}
+
+void App::emit_activated(char const *label) {
+ this->api.send_event("activated", json_object_new_string(label));
+}
+
+void App::emit_deactivated(char const *label) {
+ this->api.send_event("deactivated", json_object_new_string(label));
+}
+
+void App::emit_syncdraw(char const *label) {
+ this->api.send_event("syncdraw", json_object_new_string(label));
+}
+
+void App::emit_visible(char const *label, bool is_visible) {
+ this->api.send_event(is_visible ? "visible" : "invisible", json_object_new_string(label));
+}
+
+result<int> App::request_surface(char const *drawing_name) {
+ auto lid = this->layers.get_layer_id(std::string(drawing_name));
+ if (!lid) {
+ // XXX: to we need to put these applications on the App layer?
+ return Err<int>("Drawing name does not match any role");
+ }
+
+ auto rname = this->id_alloc.lookup(drawing_name);
+ if (!rname) {
+ // name does not exist yet, allocate surface id...
+ auto id = int(this->id_alloc.generate_id(drawing_name));
+ this->layers.add_surface(id, lid.value());
+
+ // XXX: you should fix this!
+ if (!this->layers.main_surface_name.empty() &&
+ this->layers.main_surface_name == drawing_name) {
+ this->layers.main_surface = id;
+ this->activate_surface(id);
+ logdebug("Set main_surface id to %u", id);
+ }
+
+ return Ok<int>(id);
+ }
+
+ // Check currently registered drawing names if it is already there.
+ return Err<int>("Surface already present");
+}
+
+char const *App::activate_surface(char const *drawing_name) {
+ auto osid = this->id_alloc.lookup(drawing_name);
+
+ if (osid) {
+ logdebug("ativate surface with name %s and id %u", drawing_name,
+ osid.value());
+ auto ret = this->activate_surface(osid.value());
+ if (!ret) {
+ this->emit_activated(drawing_name);
+ }
+ return ret;
+ }
+
+ logerror("surface %s unknown", drawing_name);
+ return "Surface unknown";
+}
+
+char const *App::deactivate_surface(char const *drawing_name) {
+ auto osid = this->id_alloc.lookup(drawing_name);
+
+ if (osid) {
+ logdebug("deativate surface with name %s and id %u", drawing_name,
+ osid.value());
+ return this->deactivate_surface(osid.value());
+ }
+
+ logerror("surface %s unknown", drawing_name);
+ return "Surface unknown";
+}
+
+// _ _ _ _ _ _ _
+// | |__ (_)_ __ __| (_)_ __ __ _ __ _ _ __ (_) (_)_ __ ___ _ __ | |
+// | '_ \| | '_ \ / _` | | '_ \ / _` | / _` | '_ \| | | | '_ ` _ \| '_ \| |
+// | |_) | | | | | (_| | | | | | (_| | | (_| | |_) | | | | | | | | | |_) | |
+// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___\__,_| .__/|_| |_|_| |_| |_| .__/|_|
+// |___/_____| |_| |_|
+binding_api::result_type binding_api::request_surface(
+ char const *drawing_name) {
+ auto r = this->app->request_surface(drawing_name);
+ if (r.is_err()) {
+ return Err<json_object *>(r.unwrap_err());
+ }
+ return Ok(json_object_new_int(r.unwrap()));
+}
+
+binding_api::result_type binding_api::activate_surface(
+ char const *drawing_name) {
+ logdebug("%s drawing_name %s", __func__, drawing_name);
+ auto r = this->app->activate_surface(drawing_name);
+ if (r != nullptr) {
+ return Err<json_object *>(r);
+ }
+ return Ok(json_object_new_object());
+}
+
+binding_api::result_type binding_api::deactivate_surface(char const* drawing_name) {
+ logdebug("%s drawing_name %s", __func__, drawing_name);
+ auto r = this->app->deactivate_surface(drawing_name);
+ if (r != nullptr) {
+ return Err<json_object *>(r);
+ }
+ return Ok(json_object_new_object());
+}
+
+binding_api::result_type binding_api::enddraw(char const* drawing_name) {
+ logdebug("%s drawing_name %s", __func__, drawing_name);
+ return Err<json_object*>("not implemented");
+}
+
+binding_api::result_type binding_api::list_drawing_names() {
+ logdebug("%s", __func__);
+ json j = this->app->id_alloc.names;
+ return Ok(json_tokener_parse(j.dump().c_str()));
+}
+
+binding_api::result_type binding_api::debug_layers() {
+ logdebug("%s", __func__);
+ return Ok(json_tokener_parse(this->app->layers.to_json().dump().c_str()));
+}
+
+binding_api::result_type binding_api::debug_surfaces() {
+ logdebug("%s", __func__);
+ return Ok(to_json(this->app->controller->sprops));
+}
+
+binding_api::result_type binding_api::debug_status() {
+ logdebug("%s", __func__);
+ json_object *jr = json_object_new_object();
+ json_object_object_add(jr, "surfaces",
+ to_json(this->app->controller->sprops));
+ json_object_object_add(jr, "layers", to_json(this->app->controller->lprops));
+ return Ok(jr);
+}
+
+binding_api::result_type binding_api::debug_terminate() {
+ logdebug("%s", __func__);
+ raise(SIGKILL); // XXX afb-daemon kills it's pgroup using TERM, which
+ // doesn't play well with perf
+ return Ok(json_object_new_object());
+}
- result<char const *, json> App::API::register_surface(uint32_t appid,
- uint32_t surfid) {
- return Err<char const *, json>("not implemented");
- }
+binding_api::result_type binding_api::demo_activate_surface(
+ uint32_t surfaceid) {
+ char const *e = this->app->activate_surface(surfaceid);
+ if (e != nullptr) {
+ return Err<json_object *>(e);
+ }
+ return Ok(json_object_new_object());
+}
- result<char const *, json> App::API::debug_layers() const {
- return Err<char const *, json>("not implemented");
- }
+binding_api::result_type binding_api::demo_activate_all() {
+ for (auto &s : this->app->controller->surfaces) {
+ s.second->set_visibility(1);
+ }
+ this->app->controller->commit_changes();
+ this->app->display->flush();
+ return Ok(json_object_new_object());
+}
- result<char const *, json> App::API::debug_surfaces() const {
- return Err<char const *, json>("not implemented");
- }
+// _ _ _ _ _
+// ___ ___ _ __ | |_ _ __ ___ | | | ___ _ __ | |__ ___ ___ | | _____
+// / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|| '_ \ / _ \ / _ \| |/ / __|
+// | (_| (_) | | | | |_| | | (_) | | | __/ | | | | | (_) | (_) | <\__ \
+// \___\___/|_| |_|\__|_| \___/|_|_|\___|_|___|_| |_|\___/ \___/|_|\_\___/
+// |_____|
+void controller_hooks::surface_created(uint32_t surface_id) {
+ this->app->surface_created(surface_id);
+}
- result<char const *, json> App::API::debug_status() const {
- return Err<char const *, json>("not implemented");
- }
+void controller_hooks::surface_removed(uint32_t surface_id) {
+ this->app->surface_removed(surface_id);
+}
-} // namespace wm
\ No newline at end of file
+} // namespace wm