Add onscreenapp

Onscreenapp is a qt application for showing onscreens.
Applications can show/hide onscreen by calling homescreen-service's
showWindow/hideWindow verb. Applications also can customize onscreen's
title,type, display contents and buttons. Some images about onscreen
pattern had uploaded in JIRA SPEC-1967.

Bug-AGL: SPEC-1967

Change-Id: I421193f7d089584a26db629be27414d050a74337
Signed-off-by: wang_zhiqiang <wang_zhiqiang@dl.cn.nexty-ele.com>

1 files changed, 117 insertions, 0 deletions

diff --git a/sample/app/eventhandler.cpp b/sample/app/eventhandler.cpp
new file mode 100644
index 0000000..4e55619
--- /dev/null
+++ b/sample/app/eventhandler.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 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.
+ * 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 <functional>
+#include <QUrl>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QQuickWindow>
+//#include <QtQml/QQmlContext>
+#include <QQmlContext>
+#include <QtQml/QQmlApplicationEngine>
+#include "eventhandler.h"
+
+void* EventHandler::myThis = 0;
+
+const char _drawing_name[] = "drawing_name";
+
+EventHandler::EventHandler(QObject *parent) :
+    QObject(parent),
+    mp_hs(NULL),
+    mp_wm(NULL),
+    mp_qw(NULL)
+{
+
+}
+
+EventHandler::~EventHandler()
+{
+    if (mp_hs != NULL) {
+        delete mp_hs;
+    }
+    if (mp_wm != NULL) {
+        delete mp_wm;
+    }
+}
+
+void EventHandler::init(int port, const char *token)
+{
+    myThis = this;
+    mp_wm = new QLibWindowmanager();
+    mp_wm->init(port, token);
+
+    mp_hs = new QLibHomeScreen();
+    mp_hs->init(port, token);
+
+    mp_hs->set_event_handler(QLibHomeScreen::Event_ShowWindow, [this](json_object *object){
+        this->mp_wm->activateWindow(ROLE_NAME, "normal");
+        HMI_DEBUG(APP_ID, "received showWindow event, end!, line=%d", __LINE__);
+    });
+
+    mp_hs->set_event_handler(QLibHomeScreen::Event_ReplyShowWindow, [this](json_object *object){
+        HMI_DEBUG(APP_ID, "got Event_ReplyShowWindow!\n");
+        const char* msg = json_object_to_json_string(object);
+        emit this->signalOnReplyShowWindow(msg);
+    });
+
+    if (mp_wm->requestSurface(ROLE_NAME) != 0) {
+        HMI_DEBUG(APP_ID, "!!!!LayoutHandler requestSurface Failed!!!!!");
+        exit(EXIT_FAILURE);
+    }
+
+    // Create an event callback against an event type. Here a lambda is called when SyncDraw event occurs
+    mp_wm->set_event_handler(QLibWindowmanager::Event_SyncDraw, [this](json_object *object) {
+        HMI_DEBUG(APP_ID, "Surface got syncDraw!");
+        this->mp_wm->endDraw(ROLE_NAME);
+    });
+
+    mp_wm->set_event_handler(QLibWindowmanager::Event_Visible, [this](json_object *object) {
+        struct json_object *value;
+        json_object_object_get_ex(object, _drawing_name, &value);
+        const char *name = json_object_get_string(value);
+
+        HMI_DEBUG(APP_ID, "Event_Active kKeyDrawingName = %s", name);
+    });
+
+    mp_wm->set_event_handler(QLibWindowmanager::Event_Invisible, [this](json_object *object) {
+        struct json_object *value;
+        json_object_object_get_ex(object, _drawing_name, &value);
+        const char *name = json_object_get_string(value);
+
+        HMI_DEBUG(APP_ID, "Event_Inactive kKeyDrawingName = %s", name);
+    });
+
+    HMI_DEBUG(APP_ID, "LayoutHander::init() finished.");
+}
+
+void EventHandler::setQuickWindow(QQuickWindow *qw)
+{
+    mp_qw = qw;
+    QObject::connect(mp_qw, SIGNAL(frameSwapped()), mp_wm, SLOT(slotActivateSurface()));
+}
+
+void EventHandler::showWindow(QString id, QString json)
+{
+    if(json.isNull())
+        mp_hs->tapShortcut(id);
+    else
+        mp_hs->showWindow(id.toStdString().c_str(), json_tokener_parse(json.toStdString().c_str()));
+}
+
+void EventHandler::hideWindow(QString id)
+{
+    mp_hs->hideWindow(id.toStdString().c_str());
+}