notifications_manager.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2023 Mark Roszko <[email protected]>
 * Copyright (C) 2023 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <wx/filename.h>
#include <wx/frame.h>
#include <wx/hyperlink.h>
#include <wx/panel.h>
#include <wx/scrolwin.h>
#include <wx/sizer.h>
#include <wx/settings.h>
#include <wx/stattext.h>
#include <wx/string.h>
 
#include <paths.h>
 
#include <notifications_manager.h>
#include <widgets/kistatusbar.h>
 
#include "core/wx_stl_compat.h"
 
#include <algorithm>
#include <fstream>
#include <map>
#include <nlohmann/json.hpp>
#include <core/json_serializers.h>
#include <optional>
#include <string>
#include <tuple>
#include <vector>
#include <wx/string.h>
 
 
NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE( NOTIFICATION, title, description, href, key, date )
 
class NOTIFICATION_PANEL : public wxPanel
{
public:
 NOTIFICATION_PANEL( wxWindow* aParent, NOTIFICATIONS_MANAGER* aManager, NOTIFICATION* aNoti ) :
 wxPanel( aParent, wxID_ANY, wxDefaultPosition, wxSize( -1, 75 ),
 wxBORDER_SIMPLE ),
 m_hlDetails( nullptr ),
 m_notification( aNoti ),
 m_manager( aManager )
 {
 SetSizeHints( wxDefaultSize, wxDefaultSize );
 
 wxBoxSizer* mainSizer;
 mainSizer = new wxBoxSizer( wxVERTICAL );
 
 SetBackgroundColour( wxSystemSettings::GetColour( wxSYS_COLOUR_3DLIGHT ) );
 
 m_stTitle = new wxStaticText( this, wxID_ANY, aNoti->title );
 m_stTitle->Wrap( -1 );
 m_stTitle->SetFont( wxFont( wxNORMAL_FONT->GetPointSize(), wxFONTFAMILY_DEFAULT,
 wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD, false, wxEmptyString ) );
 mainSizer->Add( m_stTitle, 0, wxALL | wxEXPAND, 1 );
 
 m_stDescription = new wxStaticText( this, wxID_ANY, aNoti->description, wxDefaultPosition,
 wxDefaultSize, 0 );
 m_stDescription->Wrap( -1 );
 mainSizer->Add( m_stDescription, 0, wxALL | wxEXPAND, 1 );
 
 wxBoxSizer* tailSizer;
 tailSizer = new wxBoxSizer( wxHORIZONTAL );
 
 if( !aNoti->href.IsEmpty() )
 {
 m_hlDetails =
 new wxHyperlinkCtrl( this, wxID_ANY, _( "View Details" ), aNoti->href,
 wxDefaultPosition, wxDefaultSize, wxHL_DEFAULT_STYLE );
 tailSizer->Add( m_hlDetails, 0, wxALL, 2 );
 }
 
 m_hlDismiss = new wxHyperlinkCtrl( this, wxID_ANY, _( "Dismiss" ), aNoti->href,
 wxDefaultPosition, wxDefaultSize, wxHL_DEFAULT_STYLE );
 tailSizer->Add( m_hlDismiss, 0, wxALL, 2 );
 
 mainSizer->Add( tailSizer, 1, wxEXPAND, 5 );
 
 if( m_hlDetails != nullptr )
 {
 m_hlDetails->Bind( wxEVT_HYPERLINK, &NOTIFICATION_PANEL::onDetails, this );
 }
 
 m_hlDismiss->Bind( wxEVT_HYPERLINK, &NOTIFICATION_PANEL::onDismiss, this );
 
 SetSizer( mainSizer );
 Layout();
 }
 
private:
 void onDetails( wxHyperlinkEvent& aEvent )
 {
 wxString url = aEvent.GetURL();
 
 if( url.StartsWith( wxS( "kicad://" ) ) )
 {
 url.Replace( wxS( "kicad://" ), wxS( "" ) );
 
 if( url == wxS( "pcm" ) )
 {
 // TODO
 }
 }
 else
 {
 wxLaunchDefaultBrowser( aEvent.GetURL(), wxBROWSER_NEW_WINDOW );
 }
 }
 
 void onDismiss( wxHyperlinkEvent& aEvent )
 {
 CallAfter(
 [=]()
 {
 // This will cause this panel to get deleted
 m_manager->Remove( m_notification->key );
 } );
 }
 
 wxStaticText* m_stTitle;
 wxStaticText* m_stDescription;
 wxHyperlinkCtrl* m_hlDetails;
 wxHyperlinkCtrl* m_hlDismiss;
 NOTIFICATION* m_notification;
 NOTIFICATIONS_MANAGER* m_manager;
};
 
 
class NOTIFICATIONS_LIST : public wxFrame
{
public:
 NOTIFICATIONS_LIST( NOTIFICATIONS_MANAGER* aManager, wxWindow* parent, const wxPoint& pos ) :
 wxFrame( parent, wxID_ANY, _( "Notifications" ), pos, wxSize( 300, 150 ),
 wxFRAME_NO_TASKBAR | wxBORDER_SIMPLE ),
 m_manager( aManager )
 {
 SetSizeHints( wxDefaultSize, wxDefaultSize );
 
 wxBoxSizer* bSizer1;
 bSizer1 = new wxBoxSizer( wxVERTICAL );
 
 m_scrolledWindow = new wxScrolledWindow( this, wxID_ANY, wxDefaultPosition,
 wxSize( -1, -1 ), wxVSCROLL );
 m_scrolledWindow->SetScrollRate( 5, 5 );
 m_contentSizer = new wxBoxSizer( wxVERTICAL );
 
 m_scrolledWindow->SetSizer( m_contentSizer );
 m_scrolledWindow->Layout();
 m_contentSizer->Fit( m_scrolledWindow );
 bSizer1->Add( m_scrolledWindow, 1, wxEXPAND | wxALL, 0 );
 
 m_noNotificationsText = new wxStaticText(
 m_scrolledWindow, wxID_ANY, _( "There are no notifications available" ),
 wxDefaultPosition, wxDefaultSize, wxALIGN_CENTER_HORIZONTAL );
 m_noNotificationsText->Wrap( -1 );
 m_contentSizer->Add( m_noNotificationsText, 1, wxALL | wxEXPAND, 5 );
 
 Bind( wxEVT_KILL_FOCUS, &NOTIFICATIONS_LIST::onFocusLoss, this );
 
 SetSizer( bSizer1 );
 Layout();
 
 SetFocus();
 }
 
 
 void onFocusLoss( wxFocusEvent& aEvent )
 {
 // check if a child like say, the hyperlink texts got focus
 if( !IsDescendant( aEvent.GetWindow() ) )
 Close( true );
 
 aEvent.Skip();
 }
 
 
 void Add( NOTIFICATION* aNoti )
 {
 m_noNotificationsText->Hide();
 
 NOTIFICATION_PANEL* panel = new NOTIFICATION_PANEL( m_scrolledWindow, m_manager, aNoti );
 m_contentSizer->Add( panel, 0, wxEXPAND | wxALL, 2 );
 m_scrolledWindow->Layout();
 m_contentSizer->Fit( m_scrolledWindow );
 
 // call this at this window otherwise the child panels dont resize width properly
 Layout();
 
 m_panelMap[aNoti] = panel;
 }
 
 
 void Remove( NOTIFICATION* aNoti )
 {
 auto it = m_panelMap.find( aNoti );
 if( it != m_panelMap.end() )
 {
 NOTIFICATION_PANEL* panel = m_panelMap[aNoti];
 m_contentSizer->Detach( panel );
 panel->Destroy();
 
 m_panelMap.erase( it );
 }
 
 if( m_panelMap.size() == 0 )
 {
 m_noNotificationsText->Show();
 }
 }
 
private:
 wxScrolledWindow* m_scrolledWindow;
 wxBoxSizer* m_contentSizer;
 std::unordered_map<NOTIFICATION*, NOTIFICATION_PANEL*> m_panelMap;
 NOTIFICATIONS_MANAGER* m_manager;
 wxStaticText* m_noNotificationsText;
};
 
 
NOTIFICATIONS_MANAGER::NOTIFICATIONS_MANAGER()
{
 m_destFileName = wxFileName( PATHS::GetUserCachePath(), wxT( "notifications.json" ) );
}
 
 
void NOTIFICATIONS_MANAGER::Load()
{
 nlohmann::json saved_json;
 
 std::ifstream saved_json_stream( m_destFileName.GetFullPath().fn_str() );
 
 try
 {
 saved_json_stream >> saved_json;
 
 m_notifications = saved_json.get<std::vector<NOTIFICATION>>();
 }
 catch( std::exception& )
 {
 // failed to load the json, which is fine, default to no notificaitons
 }
 
 if( wxGetEnv( wxT( "KICAD_TEST_NOTI" ), nullptr ) )
 {
 CreateOrUpdate( wxS( "test" ), wxS( "Test Notification" ), wxS( "Test please ignore" ),
 wxS( "https://kicad.org" ) );
 }
}
 
 
void NOTIFICATIONS_MANAGER::Save()
{
 std::ofstream jsonFileStream( m_destFileName.GetFullPath().fn_str() );
 
 nlohmann::json saveJson = nlohmann::json( m_notifications );
 jsonFileStream << std::setw( 4 ) << saveJson << std::endl;
 jsonFileStream.flush();
 jsonFileStream.close();
}
 
 
void NOTIFICATIONS_MANAGER::CreateOrUpdate( const wxString& aKey,
 const wxString& aTitle,
 const wxString& aDescription,
 const wxString& aHref )
{
 wxCHECK_RET( !aKey.IsEmpty(), wxS( "Notification key must not be empty" ) );
 
 auto it = std::find_if( m_notifications.begin(), m_notifications.end(),
 [&]( const NOTIFICATION& noti )
 {
 return noti.key == aKey;
 } );
 
 if( it != m_notifications.end() )
 {
 NOTIFICATION& noti = *it;
 
 noti.title = aTitle;
 noti.description = aDescription;
 noti.href = aHref;
 }
 else
 {
 m_notifications.emplace_back( NOTIFICATION{ aTitle, aDescription, aHref,
 aKey, wxEmptyString } );
 }
 
 if( m_shownDialogs.size() > 0 )
 {
 // update dialogs
 for( NOTIFICATIONS_LIST* list : m_shownDialogs )
 {
 list->Add( &m_notifications.back() );
 }
 }
 
 for( KISTATUSBAR* statusBar : m_statusBars )
 {
 statusBar->SetNotificationCount( m_notifications.size() );
 }
 
 Save();
}
 
 
void NOTIFICATIONS_MANAGER::Remove( const wxString& aKey )
{
 auto it = std::find_if( m_notifications.begin(), m_notifications.end(),
 [&]( const NOTIFICATION& noti )
 {
 return noti.key == aKey;
 } );
 
 if( it == m_notifications.end() )
 {
 return;
 }
 
 if( m_shownDialogs.size() > 0 )
 {
 // update dialogs
 
 for( NOTIFICATIONS_LIST* list : m_shownDialogs )
 {
 list->Remove( &(*it) );
 }
 }
 
 m_notifications.erase( it );
 
 Save();
 
 for( KISTATUSBAR* statusBar : m_statusBars )
 {
 statusBar->SetNotificationCount( m_notifications.size() );
 }
}
 
 
void NOTIFICATIONS_MANAGER::onListWindowClosed( wxCloseEvent& aEvent )
{
 NOTIFICATIONS_LIST* evtWindow = dynamic_cast<NOTIFICATIONS_LIST*>( aEvent.GetEventObject() );
 
 m_shownDialogs.erase( std::remove_if( m_shownDialogs.begin(), m_shownDialogs.end(),
 [&]( NOTIFICATIONS_LIST* dialog )
 {
 return dialog == evtWindow;
 } ) );
 
 aEvent.Skip();
}
 
 
void NOTIFICATIONS_MANAGER::ShowList( wxWindow* aParent, wxPoint aPos )
{
 NOTIFICATIONS_LIST* list = new NOTIFICATIONS_LIST( this, aParent, aPos );
 
 for( NOTIFICATION& job : m_notifications )
 {
 list->Add( &job );
 }
 
 m_shownDialogs.push_back( list );
 
 list->Bind( wxEVT_CLOSE_WINDOW, &NOTIFICATIONS_MANAGER::onListWindowClosed, this );
 
 // correct the position
 wxSize windowSize = list->GetSize();
 list->SetPosition( aPos - windowSize );
 
 list->Show();
}
 
 
void NOTIFICATIONS_MANAGER::RegisterStatusBar( KISTATUSBAR* aStatusBar )
{
 m_statusBars.push_back( aStatusBar );
 
 // notifications should already be loaded so set the initial notification count
 aStatusBar->SetNotificationCount( m_notifications.size() );
}
 
 
void NOTIFICATIONS_MANAGER::UnregisterStatusBar( KISTATUSBAR* aStatusBar )
{
 m_statusBars.erase( std::remove_if( m_statusBars.begin(), m_statusBars.end(),
 [&]( KISTATUSBAR* statusBar )
 {
 return statusBar == aStatusBar;
 } ) );
}