1 files changed, 65 insertions, 0 deletions
diff --git a/src/node/ui_interface.cpp b/src/node/ui_interface.cpp
new file mode 100644
index 0000000000..8d3665975d
--- /dev/null
+++ b/src/node/ui_interface.cpp
@@ -0,0 +1,65 @@
+// Copyright (c) 2010-2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <node/ui_interface.h>
+
+#include <util/translation.h>
+
+#include <boost/signals2/optional_last_value.hpp>
+#include <boost/signals2/signal.hpp>
+
+CClientUIInterface uiInterface;
+
+struct UISignals {
+    boost::signals2::signal<CClientUIInterface::ThreadSafeMessageBoxSig, boost::signals2::optional_last_value<bool>> ThreadSafeMessageBox;
+    boost::signals2::signal<CClientUIInterface::ThreadSafeQuestionSig, boost::signals2::optional_last_value<bool>> ThreadSafeQuestion;
+    boost::signals2::signal<CClientUIInterface::InitMessageSig> InitMessage;
+    boost::signals2::signal<CClientUIInterface::NotifyNumConnectionsChangedSig> NotifyNumConnectionsChanged;
+    boost::signals2::signal<CClientUIInterface::NotifyNetworkActiveChangedSig> NotifyNetworkActiveChanged;
+    boost::signals2::signal<CClientUIInterface::NotifyAlertChangedSig> NotifyAlertChanged;
+    boost::signals2::signal<CClientUIInterface::ShowProgressSig> ShowProgress;
+    boost::signals2::signal<CClientUIInterface::NotifyBlockTipSig> NotifyBlockTip;
+    boost::signals2::signal<CClientUIInterface::NotifyHeaderTipSig> NotifyHeaderTip;
+    boost::signals2::signal<CClientUIInterface::BannedListChangedSig> BannedListChanged;
+};
+static UISignals g_ui_signals;
+
+#define ADD_SIGNALS_IMPL_WRAPPER(signal_name)                                                                 \
+    boost::signals2::connection CClientUIInterface::signal_name##_connect(std::function<signal_name##Sig> fn) \
+    {                                                                                                         \
+        return g_ui_signals.signal_name.connect(fn);                                                          \
+    }
+
+ADD_SIGNALS_IMPL_WRAPPER(ThreadSafeMessageBox);
+ADD_SIGNALS_IMPL_WRAPPER(ThreadSafeQuestion);
+ADD_SIGNALS_IMPL_WRAPPER(InitMessage);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyNumConnectionsChanged);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyNetworkActiveChanged);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyAlertChanged);
+ADD_SIGNALS_IMPL_WRAPPER(ShowProgress);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyBlockTip);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyHeaderTip);
+ADD_SIGNALS_IMPL_WRAPPER(BannedListChanged);
+
+bool CClientUIInterface::ThreadSafeMessageBox(const bilingual_str& message, const std::string& caption, unsigned int style) { return g_ui_signals.ThreadSafeMessageBox(message, caption, style).value_or(false);}
+bool CClientUIInterface::ThreadSafeQuestion(const bilingual_str& message, const std::string& non_interactive_message, const std::string& caption, unsigned int style) { return g_ui_signals.ThreadSafeQuestion(message, non_interactive_message, caption, style).value_or(false);}
+void CClientUIInterface::InitMessage(const std::string& message) { return g_ui_signals.InitMessage(message); }
+void CClientUIInterface::NotifyNumConnectionsChanged(int newNumConnections) { return g_ui_signals.NotifyNumConnectionsChanged(newNumConnections); }
+void CClientUIInterface::NotifyNetworkActiveChanged(bool networkActive) { return g_ui_signals.NotifyNetworkActiveChanged(networkActive); }
+void CClientUIInterface::NotifyAlertChanged() { return g_ui_signals.NotifyAlertChanged(); }
+void CClientUIInterface::ShowProgress(const std::string& title, int nProgress, bool resume_possible) { return g_ui_signals.ShowProgress(title, nProgress, resume_possible); }
+void CClientUIInterface::NotifyBlockTip(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyBlockTip(s, i); }
+void CClientUIInterface::NotifyHeaderTip(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyHeaderTip(s, i); }
+void CClientUIInterface::BannedListChanged() { return g_ui_signals.BannedListChanged(); }
+
+bool InitError(const bilingual_str& str)
+{
+    uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
+    return false;
+}
+
+void InitWarning(const bilingual_str& str)
+{
+    uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
+}