Merge #15202: gui: Add Close All Wallets action

c4b5748 gui: Add Close All Wallets action (João Barbosa)
f30960a gui: Add closeAllWallets to WalletController (João Barbosa)

Pull request description:

  This PR adds the action to close all wallets.

  <img width="405" alt="Screenshot 2020-06-01 at 01 06 12" src="https://user-images.githubusercontent.com/3534524/83365986-25a8b980-a3a4-11ea-9613-24dcd8eaa55c.png">

ACKs for top commit:
  jonasschnelli:
    Tested ACK c4b5748

Tree-SHA512: 049ad77ac79949fb55f6bde47b583fbf946f4bfaf3d56d768e85f813d814cff0fe326b700f7b5e383cda4af7b5666e13043a6aaeee3798a69fc94385d88ce809

Author: jonasschnelli

src/qt/bitcoingui.cpp

@@ -350,6 +350,9 @@ void BitcoinGUI::createActions()
     m_create_wallet_action->setEnabled(false);
     m_create_wallet_action->setStatusTip(tr("Create a new wallet"));
 
+    m_close_all_wallets_action = new QAction(tr("Close All Wallets..."), this);
+    m_close_all_wallets_action->setStatusTip(tr("Close all wallets"));
+
     showHelpMessageAction = new QAction(tr("&Command-line options"), this);
     showHelpMessageAction->setMenuRole(QAction::NoRole);
     showHelpMessageAction->setStatusTip(tr("Show the %1 help message to get a list with possible Bitcoin command-line options").arg(PACKAGE_NAME));
@@ -421,7 +424,9 @@ void BitcoinGUI::createActions()
             connect(activity, &CreateWalletActivity::finished, activity, &QObject::deleteLater);
             activity->create();
         });
-
+        connect(m_close_all_wallets_action, &QAction::triggered, [this] {
+            m_wallet_controller->closeAllWallets(this);
+        });
         connect(m_mask_values_action, &QAction::toggled, this, &BitcoinGUI::setPrivacy);
     }
 #endif // ENABLE_WALLET
@@ -447,6 +452,7 @@ void BitcoinGUI::createMenuBar()
         file->addAction(m_create_wallet_action);
         file->addAction(m_open_wallet_action);
         file->addAction(m_close_wallet_action);
+        file->addAction(m_close_all_wallets_action);
         file->addSeparator();
         file->addAction(openAction);
         file->addAction(backupWalletAction);
@@ -727,6 +733,7 @@ void BitcoinGUI::setWalletActionsEnabled(bool enabled)
     usedReceivingAddressesAction->setEnabled(enabled);
     openAction->setEnabled(enabled);
     m_close_wallet_action->setEnabled(enabled);
+    m_close_all_wallets_action->setEnabled(enabled);
 }
 
 void BitcoinGUI::createTrayIcon()

src/qt/bitcoingui.h

@@ -155,6 +155,7 @@ class BitcoinGUI : public QMainWindow
     QAction* m_open_wallet_action{nullptr};
     QMenu* m_open_wallet_menu{nullptr};
     QAction* m_close_wallet_action{nullptr};
+    QAction* m_close_all_wallets_action{nullptr};
     QAction* m_wallet_selector_label_action = nullptr;
     QAction* m_wallet_selector_action = nullptr;
     QAction* m_mask_values_action{nullptr};

src/qt/walletcontroller.cpp

@@ -92,6 +92,23 @@ void WalletController::closeWallet(WalletModel* wallet_model, QWidget* parent)
     removeAndDeleteWallet(wallet_model);
 }
 
+void WalletController::closeAllWallets(QWidget* parent)
+{
+    QMessageBox::StandardButton button = QMessageBox::question(parent, tr("Close all wallets"),
+        tr("Are you sure you wish to close all wallets?"),
+        QMessageBox::Yes|QMessageBox::Cancel,
+        QMessageBox::Yes);
+    if (button != QMessageBox::Yes) return;
+
+    QMutexLocker locker(&m_mutex);
+    for (WalletModel* wallet_model : m_wallets) {
+        wallet_model->wallet().remove();
+        Q_EMIT walletRemoved(wallet_model);
+        delete wallet_model;
+    }
+    m_wallets.clear();
+}
+
 WalletModel* WalletController::getOrCreateWallet(std::unique_ptr<interfaces::Wallet> wallet)
 {
     QMutexLocker locker(&m_mutex);

src/qt/walletcontroller.h

@@ -62,6 +62,7 @@ class WalletController : public QObject
     std::map<std::string, bool> listWalletDir() const;
 
     void closeWallet(WalletModel* wallet_model, QWidget* parent = nullptr);
+    void closeAllWallets(QWidget* parent = nullptr);
 
 Q_SIGNALS:
     void walletAdded(WalletModel* wallet_model);