1 // Copyright (c) 2010-2020 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <node/ui_interface.h>
6 
7 #include <util/translation.h>
8 
9 #include <boost/signals2/optional_last_value.hpp>
10 #include <boost/signals2/signal.hpp>
11 
12 CClientUIInterface uiInterface;
13 
14 struct UISignals {
15     boost::signals2::signal<CClientUIInterface::ThreadSafeMessageBoxSig, boost::signals2::optional_last_value<bool>> ThreadSafeMessageBox;
16     boost::signals2::signal<CClientUIInterface::ThreadSafeQuestionSig, boost::signals2::optional_last_value<bool>> ThreadSafeQuestion;
17     boost::signals2::signal<CClientUIInterface::InitMessageSig> InitMessage;
18     boost::signals2::signal<CClientUIInterface::NotifyNumConnectionsChangedSig> NotifyNumConnectionsChanged;
19     boost::signals2::signal<CClientUIInterface::NotifyNetworkActiveChangedSig> NotifyNetworkActiveChanged;
20     boost::signals2::signal<CClientUIInterface::NotifyAlertChangedSig> NotifyAlertChanged;
21     boost::signals2::signal<CClientUIInterface::ShowProgressSig> ShowProgress;
22     boost::signals2::signal<CClientUIInterface::NotifyBlockTipSig> NotifyBlockTip;
23     boost::signals2::signal<CClientUIInterface::NotifyHeaderTipSig> NotifyHeaderTip;
24     boost::signals2::signal<CClientUIInterface::BannedListChangedSig> BannedListChanged;
25 };
26 static UISignals g_ui_signals;
27 
28 #define ADD_SIGNALS_IMPL_WRAPPER(signal_name)                                                                 \
29     boost::signals2::connection CClientUIInterface::signal_name##_connect(std::function<signal_name##Sig> fn) \
30     {                                                                                                         \
31         return g_ui_signals.signal_name.connect(fn);                                                          \
32     }
33 
34 ADD_SIGNALS_IMPL_WRAPPER(ThreadSafeMessageBox);
35 ADD_SIGNALS_IMPL_WRAPPER(ThreadSafeQuestion);
36 ADD_SIGNALS_IMPL_WRAPPER(InitMessage);
37 ADD_SIGNALS_IMPL_WRAPPER(NotifyNumConnectionsChanged);
38 ADD_SIGNALS_IMPL_WRAPPER(NotifyNetworkActiveChanged);
39 ADD_SIGNALS_IMPL_WRAPPER(NotifyAlertChanged);
40 ADD_SIGNALS_IMPL_WRAPPER(ShowProgress);
41 ADD_SIGNALS_IMPL_WRAPPER(NotifyBlockTip);
42 ADD_SIGNALS_IMPL_WRAPPER(NotifyHeaderTip);
43 ADD_SIGNALS_IMPL_WRAPPER(BannedListChanged);
44 
ThreadSafeMessageBox(const bilingual_str & message,const std::string & caption,unsigned int style)45 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);}
ThreadSafeQuestion(const bilingual_str & message,const std::string & non_interactive_message,const std::string & caption,unsigned int style)46 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);}
InitMessage(const std::string & message)47 void CClientUIInterface::InitMessage(const std::string& message) { return g_ui_signals.InitMessage(message); }
NotifyNumConnectionsChanged(int newNumConnections)48 void CClientUIInterface::NotifyNumConnectionsChanged(int newNumConnections) { return g_ui_signals.NotifyNumConnectionsChanged(newNumConnections); }
NotifyNetworkActiveChanged(bool networkActive)49 void CClientUIInterface::NotifyNetworkActiveChanged(bool networkActive) { return g_ui_signals.NotifyNetworkActiveChanged(networkActive); }
NotifyAlertChanged()50 void CClientUIInterface::NotifyAlertChanged() { return g_ui_signals.NotifyAlertChanged(); }
ShowProgress(const std::string & title,int nProgress,bool resume_possible)51 void CClientUIInterface::ShowProgress(const std::string& title, int nProgress, bool resume_possible) { return g_ui_signals.ShowProgress(title, nProgress, resume_possible); }
NotifyBlockTip(SynchronizationState s,const CBlockIndex * i)52 void CClientUIInterface::NotifyBlockTip(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyBlockTip(s, i); }
NotifyHeaderTip(SynchronizationState s,const CBlockIndex * i)53 void CClientUIInterface::NotifyHeaderTip(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyHeaderTip(s, i); }
BannedListChanged()54 void CClientUIInterface::BannedListChanged() { return g_ui_signals.BannedListChanged(); }
55 
InitError(const bilingual_str & str)56 bool InitError(const bilingual_str& str)
57 {
58     uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_ERROR);
59     return false;
60 }
61 
InitWarning(const bilingual_str & str)62 void InitWarning(const bilingual_str& str)
63 {
64     uiInterface.ThreadSafeMessageBox(str, "", CClientUIInterface::MSG_WARNING);
65 }
66