app/eventhandler.cpp

   1 /*
   2  * Copyright (c) 2019 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 <functional>
  18 #include <QUrl>
  19 #include <QDebug>
  20 #include <QGuiApplication>
  21 #include <QJsonDocument>
  22 #include <QJsonObject>
  23 #include <QQmlContext>
  24 #include <QtQml/QQmlApplicationEngine>
  25 #include <cstring>
  26 #include <QFileInfo>
  27 #include <qpa/qplatformnativeinterface.h>
  28
  29 #include "eventhandler.h"
  30
  31 const char _myrole[] = "on_screen";
  32 const char _parameter[] = "parameter";
  33 const char _replyto[] = "replyto";
  34 const char _onscreen_title[] = "onscreenTitle";
  35 const char _button_name[] = "buttonName";
  36 const char _drawing_name[] = "drawing_name";
  37 const char _application_id[] = "application_id";
  38
  39
  40 void* EventHandler::myThis = 0;
  41
  42 static struct wl_output *
  43 getWlOutput(QScreen *screen)
  44 {
  45         QPlatformNativeInterface *native = qApp->platformNativeInterface();
  46         void *output = native->nativeResourceForScreen("output", screen);
  47         return static_cast<struct ::wl_output*>(output);
  48 }
  49
  50 static void
  51 global_add(void *data, struct wl_registry *reg, uint32_t name,
  52            const char *interface, uint32_t version)
  53 {
  54         struct agl_shell_desktop **shell =
  55                 static_cast<struct agl_shell_desktop **>(data);
  56
  57         if (strcmp(interface, agl_shell_desktop_interface.name) == 0) {
  58                 *shell = static_cast<struct agl_shell_desktop *>(
  59                         wl_registry_bind(reg, name, &agl_shell_desktop_interface, version)
  60                 );
  61         }
  62 }
  63
  64 static void global_remove(void *data, struct wl_registry *reg, uint32_t id)
  65 {
  66         (void) data;
  67         (void) reg;
  68         (void) id;
  69 }
  70
  71 static const struct wl_registry_listener registry_listener = {
  72         global_add,
  73         global_remove,
  74 };
  75
  76 static void
  77 application_id_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
  78                 const char *app_id)
  79 {
  80         EventHandler *ev_handler = static_cast<EventHandler *>(data);
  81         (void) agl_shell_desktop;
  82
  83         // should probably add here to a list the application or trigger emit
  84         // for QML code, also note that we get here our own application
  85         if (strcmp(app_id, APP_ID) == 0)
  86                 return;
  87
  88         qInfo() << "app_id: " << app_id;
  89 }
  90
  91 static void
  92 application_state_event(void *data, struct agl_shell_desktop *agl_shell_desktop,
  93                         const char *app_id, const char *app_data,
  94                         uint32_t app_state, uint32_t app_role)
  95 {
  96         EventHandler *ev_handler = static_cast<EventHandler *>(data);
  97         (void) agl_shell_desktop;
  98
  99         qInfo() << "got application_state_event() for app_id=" <<
 100                 app_id << ", state=" << app_state << ", role=" << app_role;
 101
 102         if (strcmp(app_id, APP_ID))
 103                 return;
 104
 105         if (app_state != AGL_SHELL_DESKTOP_APP_STATE_ACTIVATED)
 106                 return;
 107
 108         if (app_role != AGL_SHELL_DESKTOP_APP_ROLE_POPUP)
 109                 return;
 110
 111         qInfo() << "Got message " << app_data;
 112
 113         // should signal that we got the message
 114         emit ev_handler->updateModel(QVariant(app_data));
 115         emit ev_handler->showOnScreen();
 116 }
 117
 118 static const struct agl_shell_desktop_listener agl_shell_desk_listener = {
 119         application_id_event,
 120         application_state_event,
 121 };
 122
 123 static struct agl_shell_desktop *
 124 register_agl_shell_desktop(void)
 125 {
 126         struct wl_display *wl;
 127         struct wl_registry *registry;
 128         struct agl_shell_desktop *shell = nullptr;
 129
 130         QPlatformNativeInterface *native = qApp->platformNativeInterface();
 131
 132         wl = static_cast<struct wl_display *>(native->nativeResourceForIntegration("display"));
 133         registry = wl_display_get_registry(wl);
 134
 135         wl_registry_add_listener(registry, &registry_listener, &shell);
 136         // Roundtrip to get all globals advertised by the compositor
 137         wl_display_roundtrip(wl);
 138         wl_registry_destroy(registry);
 139
 140         return shell;
 141 }
 142
 143
 144 EventHandler::EventHandler(QObject *parent) :
 145     QObject(parent),
 146     m_dsp_sts(false)
 147 {
 148 }
 149
 150 EventHandler::~EventHandler()
 151 {
 152     if (shell_desktop)
 153             agl_shell_desktop_destroy(shell_desktop);
 154 }
 155
 156 void EventHandler::init(int port, const char *token)
 157 {
 158         (void) port;
 159         (void) token;
 160
 161         shell_desktop = register_agl_shell_desktop();
 162         if (shell_desktop)
 163                 agl_shell_desktop_add_listener(shell_desktop, &agl_shell_desk_listener, this);
 164 }
 165
 166 void EventHandler::activateWindow(const char *role, const char *area)
 167 {
 168         fprintf(stderr, "EventHandler::activateWindow() role %s, area %s\n",
 169                         role, area);
 170 }
 171
 172 void EventHandler::deactivateWindow()
 173 {
 174         int display_status = getDisplayStatus();
 175         fprintf(stderr, "EventHandler::deactivateWindow(), "
 176                         "display_status %d\n", display_status);
 177
 178         if (shell_desktop) {
 179                 agl_shell_desktop_deactivate_app(shell_desktop, APP_ID);
 180         }
 181 }
 182
 183 void EventHandler::onScreenReply(const QString &ons_title, const QString &btn_name)
 184 {
 185     fprintf(stderr, "ons_title=%s btn_name=%s\n", ons_title.toStdString().c_str(), btn_name.toStdString().c_str());
 186     emit this->hideOnScreen();
 187
 188     fprintf(stderr, "EventHandler::onScreenReply with ons_title %s, btn_name %s\n",
 189                     ons_title.toStdString().c_str(), btn_name.toStdString().c_str());
 190 }