add system tray plugin tips widget

Change-Id: Ibc146056d31ec8e31258e5bef596e791023cf777

plugins/system-tray/system-tray.pro

@@ -14,13 +14,15 @@ HEADERS += \
     systemtrayplugin.h \
     dbus/dbustraymanager.h \
     traywidget.h \
-    fashiontrayitem.h
+    fashiontrayitem.h \
+    tipswidget.h
 
 SOURCES += \
     systemtrayplugin.cpp \
     dbus/dbustraymanager.cpp \
     traywidget.cpp \
-    fashiontrayitem.cpp
+    fashiontrayitem.cpp \
+    tipswidget.cpp
 
 target.path = $${PREFIX}/lib/dde-dock/plugins/
 INSTALLS += target

plugins/system-tray/systemtrayplugin.cpp

@@ -8,7 +8,8 @@
 
 SystemTrayPlugin::SystemTrayPlugin(QObject *parent)
     : QObject(parent),
-      m_trayInter(new DBusTrayManager(this))
+      m_trayInter(new DBusTrayManager(this)),
+      m_tipsWidget(new TipsWidget)
 {
     m_fashionItem = new FashionTrayItem;
 }
@@ -43,6 +44,13 @@ PluginsItemInterface::ItemType SystemTrayPlugin::pluginType(const QString &itemK
     return Complex;
 }
 
+PluginsItemInterface::ItemType SystemTrayPlugin::tipsType(const QString &itemKey)
+{
+    Q_UNUSED(itemKey);
+
+    return Complex;
+}
+
 QWidget *SystemTrayPlugin::itemWidget(const QString &itemKey)
 {
     if (itemKey == FASHION_MODE_ITEM)
@@ -53,6 +61,30 @@ QWidget *SystemTrayPlugin::itemWidget(const QString &itemKey)
     return m_trayList[trayWinId];
 }
 
+QWidget *SystemTrayPlugin::itemTipsWidget(const QString &itemKey)
+{
+    // only display tips widget on fashion mode
+    if (itemKey != FASHION_MODE_ITEM)
+        return nullptr;
+
+    // not have other tray icon
+    if (m_trayList.size() < 2)
+        return nullptr;
+
+    updateTipsContent();
+
+    return m_tipsWidget;
+}
+
+void SystemTrayPlugin::updateTipsContent()
+{
+    auto trayList = m_trayList.values();
+    trayList.removeOne(m_fashionItem->activeTray());
+
+    m_tipsWidget->clear();
+    m_tipsWidget->addWidgets(trayList);
+}
+
 void SystemTrayPlugin::trayAdded(const quint32 winId)
 {
     if (m_trayList.contains(winId))
@@ -83,6 +115,9 @@ void SystemTrayPlugin::trayRemoved(const quint32 winId)
         m_fashionItem->setActiveTray(nullptr);
     else
         m_fashionItem->setActiveTray(m_trayList.values().last());
+
+    if (m_tipsWidget->isVisible())
+        updateTipsContent();
 }
 
 void SystemTrayPlugin::trayChanged(const quint32 winId)
@@ -91,6 +126,9 @@ void SystemTrayPlugin::trayChanged(const quint32 winId)
         return;
 
     m_fashionItem->setActiveTray(m_trayList[winId]);
+
+    if (m_tipsWidget->isVisible())
+        updateTipsContent();
 }
 
 void SystemTrayPlugin::switchToMode(const Dock::DisplayMode mode)

plugins/system-tray/systemtrayplugin.h

@@ -3,6 +3,7 @@
 
 #include "pluginsiteminterface.h"
 #include "traywidget.h"
+#include "tipswidget.h"
 #include "dbus/dbustraymanager.h"
 
 class FashionTrayItem;
@@ -19,8 +20,13 @@ public:
     void init(PluginProxyInterface *proxyInter);
     void displayModeChanged(const Dock::DisplayMode mode);
     ItemType pluginType(const QString &itemKey);
+    ItemType tipsType(const QString &itemKey);
 
     QWidget *itemWidget(const QString &itemKey);
+    QWidget *itemTipsWidget(const QString &itemKey);
+
+private:
+    void updateTipsContent();
 
 private slots:
     void trayAdded(const quint32 winId);
@@ -32,6 +38,8 @@ private:
     DBusTrayManager *m_trayInter;
     FashionTrayItem *m_fashionItem;
     QMap<quint32, TrayWidget *> m_trayList;
+
+    TipsWidget *m_tipsWidget;
 };
 
 #endif // SYSTEMTRAYPLUGIN_H

plugins/system-tray/tipswidget.cpp

@@ -0,0 +1,28 @@
+#include "tipswidget.h"
+#include "traywidget.h"
+
+TipsWidget::TipsWidget(QWidget *parent)
+    : QWidget(parent),
+      m_mainLayout(new QHBoxLayout)
+{
+    setLayout(m_mainLayout);
+    setFixedHeight(32);
+}
+
+void TipsWidget::clear()
+{
+    QLayoutItem *item = nullptr;
+    while ((item = m_mainLayout->takeAt(0)) != nullptr)
+    {
+        if (item->widget())
+            item->widget()->setParent(nullptr);
+        delete item;
+    }
+}
+
+void TipsWidget::addWidgets(QList<TrayWidget *> widgets)
+{
+    for (auto w : widgets)
+        m_mainLayout->addWidget(w);
+    setFixedWidth(widgets.size() * 20 + 20);
+}

plugins/system-tray/tipswidget.h

@@ -0,0 +1,22 @@
+#ifndef TIPSWIDGET_H
+#define TIPSWIDGET_H
+
+#include <QWidget>
+#include <QBoxLayout>
+
+class TrayWidget;
+class TipsWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit TipsWidget(QWidget *parent = 0);
+
+    void clear();
+    void addWidgets(QList<TrayWidget *> widgets);
+
+private:
+    QBoxLayout *m_mainLayout;
+};
+
+#endif // TIPSWIDGET_H