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, 71 insertions, 0 deletions

diff --git a/app/eventhandler.h b/app/eventhandler.h
new file mode 100644
index 0000000..567c8a9
--- /dev/null
+++ b/app/eventhandler.h
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+#ifndef HOMESCREENHANDLER_H
+#define HOMESCREENHANDLER_H
+
+#include <QObject>
+#include <string>
+#include <QVariant>
+#include <QPair>
+#include <libhomescreen.hpp>
+#include <qlibwindowmanager.h>
+#include "hmi-debug.h"
+
+#define APP_ID "onscreenapp"
+
+class QQmlApplicationEngine;
+
+class EventHandler : public QObject
+{
+    Q_OBJECT
+public:
+    explicit EventHandler(QObject *parent = 0);
+    ~EventHandler();
+    EventHandler(const EventHandler&) = delete;
+    EventHandler& operator=(const EventHandler&) = delete;
+
+    void init(int port, const char* token);
+    void onRep(struct json_object* reply_contents);
+
+    static void* myThis;
+    static void onRep_static(struct json_object* reply_contents);
+
+    Q_INVOKABLE void deactivateWindow();
+    Q_INVOKABLE void onScreenReply(const QString &btn_name);
+
+signals:
+    void updateModel(QVariant data);
+    void showOnScreen();
+    void hideOnScreen();
+
+private:
+    enum {
+        HIDING = 0,
+        SHOWING,
+        SWAPPING
+    };
+
+    int getDisplayStatus() {return m_dsp_sts;}
+    void setDisplayStatus(int sts) {m_dsp_sts = sts;}
+    void activateWindow(const char *role, const char *area = "normal.full");
+
+    LibHomeScreen *mp_hs;
+    QLibWindowmanager* mp_wm;
+    QPair<QString, QString> m_req, m_dsp;
+    int m_dsp_sts = HIDING;
+};
+#endif // HOMESCREENHANDLER_H