X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=homescreen%2Fsrc%2Fhomescreenhandler.cpp;h=c44cbb95753127b5c09f268570cd559380fd5223;hb=d1347bf236f84908fea96ba929e0e8376c2b1d78;hp=daf1b90223f50ea572669137b3c76b48a376a8b3;hpb=389a02a99961f1bcc6d317ffc9223ea7f2d05023;p=apps%2Fhomescreen.git

diff --git a/homescreen/src/homescreenhandler.cpp b/homescreen/src/homescreenhandler.cpp
index daf1b90..c44cbb9 100644
--- a/homescreen/src/homescreenhandler.cpp
+++ b/homescreen/src/homescreenhandler.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ * Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,75 +14,119 @@
  * limitations under the License.
  */
 
+#include <QGuiApplication>
+#include <QFileInfo>
 #include "homescreenhandler.h"
 #include <functional>
 #include "hmi-debug.h"
 
+#include <qpa/qplatformnativeinterface.h>
+
+#define APPLAUNCH_DBUS_IFACE     "org.automotivelinux.AppLaunch"
+#define APPLAUNCH_DBUS_OBJECT    "/org/automotivelinux/AppLaunch"
+/* LAUNCHER_APP_ID shouldn't be started by applaunchd as it is started as a
+ * user session by systemd */
+#define LAUNCHER_APP_ID          "launcher"
+
 void* HomescreenHandler::myThis = 0;
 
-HomescreenHandler::HomescreenHandler(QObject *parent) :
+HomescreenHandler::HomescreenHandler(Shell *_aglShell, ApplicationLauncher *launcher, QObject *parent) :
     QObject(parent),
-    mp_hs(NULL)
+    aglShell(_aglShell)
 {
-
+    mp_launcher = launcher;
+    applaunch_iface = new org::automotivelinux::AppLaunch(APPLAUNCH_DBUS_IFACE, APPLAUNCH_DBUS_OBJECT,
+                                                          QDBusConnection::sessionBus(), this);
 }
 
 HomescreenHandler::~HomescreenHandler()
 {
-    if (mp_hs != NULL) {
-        delete mp_hs;
-    }
 }
 
-void HomescreenHandler::init(int port, const char *token)
+void HomescreenHandler::init(void)
 {
-    mp_hs = new LibHomeScreen();
-    mp_hs->init(port, token);
-
     myThis = this;
 
-    mp_hs->registerCallback(nullptr, HomescreenHandler::onRep_static);
+    /*
+     * The "started" signal is received any time a start request is made to applaunchd,
+     * and the application either starts successfully or is already running. This
+     * effectively acts as a "switch to app X" action.
+     */
+    connect(applaunch_iface, SIGNAL(started(QString)), this, SLOT(appStarted(QString)));
+    connect(applaunch_iface, SIGNAL(terminated(QString)), this, SLOT(appTerminated(QString)));
 
-    mp_hs->set_event_handler(LibHomeScreen::Event_OnScreenMessage, [this](json_object *object){
-        const char *display_message = json_object_get_string(
-            json_object_object_get(object, "display_message"));
-        HMI_DEBUG("HomeScreen","set_event_handler Event_OnScreenMessage display_message = %s", display_message);
-    });
+}
 
+static struct wl_output *
+getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
+{
+	void *output = native->nativeResourceForScreen("output", screen);
+	return static_cast<struct ::wl_output*>(output);
 }
 
 void HomescreenHandler::tapShortcut(QString application_id)
 {
+    QDBusPendingReply<> reply;
     HMI_DEBUG("HomeScreen","tapShortcut %s", application_id.toStdString().c_str());
-    mp_hs->tapShortcut(application_id.toStdString().c_str());
-}
 
-void HomescreenHandler::onRep_static(struct json_object* reply_contents)
-{
-    static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onRep(reply_contents);
-}
+    if (application_id == LAUNCHER_APP_ID)
+        goto activate_app;
 
-void HomescreenHandler::onEv_static(const string& event, struct json_object* event_contents)
-{
-    static_cast<HomescreenHandler*>(HomescreenHandler::myThis)->onEv(event, event_contents);
+    reply = applaunch_iface->start(application_id);
+    reply.waitForFinished();
+
+    if (reply.isError()) {
+        HMI_ERROR("HomeScreen","Unable to start application '%s': %s",
+            application_id.toStdString().c_str(),
+            reply.error().message().toStdString().c_str());
+        return;
+    }
+
+activate_app:
+    if (mp_launcher) {
+        mp_launcher->setCurrent(application_id);
+    }
+    appStarted(application_id);
 }
 
-void HomescreenHandler::onRep(struct json_object* reply_contents)
+/*
+ * Keep track of currently running apps and the order in which
+ * they were activated. That way, when an app is closed, we can
+ * switch back to the previously active one.
+ */
+void HomescreenHandler::addAppToStack(const QString& application_id)
 {
-    const char* str = json_object_to_json_string(reply_contents);
-    HMI_DEBUG("HomeScreen","HomeScreen onReply %s", str);
+    if (application_id == "homescreen")
+        return;
+
+    if (!apps_stack.contains(application_id)) {
+        apps_stack << application_id;
+    } else {
+        int current_pos = apps_stack.indexOf(application_id);
+        int last_pos = apps_stack.size() - 1;
+
+        if (current_pos != last_pos)
+            apps_stack.move(current_pos, last_pos);
+    }
 }
 
-void HomescreenHandler::onEv(const string& event, struct json_object* event_contents)
+void HomescreenHandler::appStarted(const QString& application_id)
 {
-    const char* str = json_object_to_json_string(event_contents);
-    HMI_DEBUG("HomeScreen","HomeScreen onEv %s, contents: %s", event.c_str(), str);
+    struct agl_shell *agl_shell = aglShell->shell.get();
+    QPlatformNativeInterface *native = qApp->platformNativeInterface();
+    struct wl_output *output = getWlOutput(native, qApp->screens().first());
 
-    if (event.compare("homescreen/on_screen_message") == 0) {
-        struct json_object *json_data = json_object_object_get(event_contents, "data");
-        struct json_object *json_display_message = json_object_object_get(json_data, "display_message");
-        const char* display_message = json_object_get_string(json_display_message);
+    HMI_DEBUG("HomeScreen", "Activating application %s", application_id.toStdString().c_str());
+    agl_shell_activate_app(agl_shell, application_id.toStdString().c_str(), output);
+    addAppToStack(application_id);
+}
 
-        HMI_DEBUG("HomeScreen","display_message = %s", display_message);
+void HomescreenHandler::appTerminated(const QString& application_id)
+{
+    HMI_DEBUG("HomeScreen", "Application %s terminated, activating last app", application_id.toStdString().c_str());
+    if (apps_stack.contains(application_id)) {
+        apps_stack.removeOne(application_id);
+        if (!apps_stack.isEmpty())
+            appStarted(apps_stack.last());
     }
 }