refactor: Use unique ptr for call confirm widget

src/widget/chatformheader.cpp

@@ -113,11 +113,6 @@ ChatFormHeader::ChatFormHeader(QWidget* parent)
     Translator::registerHandler(std::bind(&ChatFormHeader::retranslateUi, this), this);
 }
 
-ChatFormHeader::~ChatFormHeader()
-{
-    delete callConfirm;
-}
-
 void ChatFormHeader::setName(const QString& newName)
 {
     nameLabel->setText(newName);
@@ -172,18 +167,18 @@ void ChatFormHeader::showOutgoingCall(bool video)
 
 void ChatFormHeader::showCallConfirm(bool video)
 {
-    callConfirm = new CallConfirmWidget(video ? videoButton : callButton);
+    QWidget* btn = video ? videoButton : callButton;
+    callConfirm = std::unique_ptr<CallConfirmWidget>(new CallConfirmWidget(btn));
     callConfirm->show();
-    CallConfirmWidget* confirmData = callConfirm.data();
-    connect(confirmData, &CallConfirmWidget::accepted, this, [this, video]{
+    connect(callConfirm.get(), &CallConfirmWidget::accepted, this, [this, video]{
         emit callAccepted(video);
     });
-    connect(confirmData, &CallConfirmWidget::rejected, this, &ChatFormHeader::callRejected);
+    connect(callConfirm.get(), &CallConfirmWidget::rejected, this, &ChatFormHeader::callRejected);
 }
 
 void ChatFormHeader::removeCallConfirm()
 {
-    delete callConfirm;
+    callConfirm.reset(nullptr);
 }
 
 void ChatFormHeader::updateCallButtons(bool online, bool audio, bool video)

src/widget/chatformheader.h

@@ -20,9 +20,10 @@
 #ifndef CHAT_FORM_HEADER
 #define CHAT_FORM_HEADER
 
-#include <QPointer>
 #include <QWidget>
 
+#include <memory>
+
 class MaskablePixmapWidget;
 class QVBoxLayout;
 class CroppingLabel;
@@ -42,7 +43,6 @@ public:
     };
 
     ChatFormHeader(QWidget* parent = nullptr);
-    ~ChatFormHeader() override;
 
     void setName(const QString& newName);
     void setMode(Mode mode);
@@ -90,7 +90,7 @@ private:
     QToolButton* volButton;
     QToolButton* micButton;
 
-    QPointer<CallConfirmWidget> callConfirm;
+    std::unique_ptr<CallConfirmWidget> callConfirm;
 };
 
 #endif // CHAT_FORM_HEADER