1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <rtl/math.hxx>
#include <tools/time.hxx>

#include <osx/saltimer.h>
#include <osx/salnstimer.h>
#include <osx/saldata.hxx>
#include <osx/salframe.h>
#include <osx/salinst.h>


void ImplNSAppPostEvent( short nEventId, BOOL bAtStart, int nUserData )
{
    ReleasePoolHolder aPool;
SAL_WNODEPRECATED_DECLARATIONS_PUSH
// 'NSApplicationDefined' is deprecated: first deprecated in macOS 10.12
    NSEvent* pEvent = [NSEvent otherEventWithType: NSApplicationDefined
SAL_WNODEPRECATED_DECLARATIONS_POP
                               location: NSZeroPoint
                               modifierFlags: 0
                               timestamp: [[NSProcessInfo processInfo] systemUptime]
                               windowNumber: 0
                               context: nil
                               subtype: nEventId
                               data1: nUserData
                               data2: 0];
    assert( pEvent );
    if ( nil == pEvent )
        return;
    if ( NO == bAtStart )
    {
        // nextEventMatchingMask has to run in the main thread!
        assert([NSThread isMainThread]);

        // Posting an event to the end of an empty queue fails,
        // so we peek the queue and post to the start, if empty.
        // Some Qt bugs even indicate nextEvent without dequeue
        // sometimes blocks, so we dequeue and re-add the event.
        NSEvent* pPeekEvent = [NSApp nextEventMatchingMask: NSEventMaskAny
                               untilDate: nil
                               inMode: NSDefaultRunLoopMode
                               dequeue: YES];
        if ( nil == pPeekEvent )
            bAtStart = YES;
        else
            [NSApp postEvent: pPeekEvent atStart: YES];
    }
    [NSApp postEvent: pEvent atStart: bAtStart];
}

void AquaSalTimer::queueDispatchTimerEvent( bool bAtStart )
{
    Stop();
    m_bDirectTimeout = true;
    ImplNSAppPostEvent( AquaSalInstance::DispatchTimerEvent,
                        bAtStart, GetNextEventVersion() );
}

void AquaSalTimer::Start( sal_uInt64 nMS )
{
    SalData* pSalData = GetSalData();

    if( !pSalData->mpInstance->IsMainThread() )
    {
        ImplNSAppPostEvent( AquaSalInstance::AppStartTimerEvent, YES, nMS );
        return;
    }

    m_bDirectTimeout = (0 == nMS) && !pSalData->mpInstance->mbIsLiveResize;
    if ( m_bDirectTimeout )
        Stop();
    else
    {
        NSTimeInterval aTI = double(nMS) / 1000.0;
        if( m_pRunningTimer != nil )
        {
            if ([m_pRunningTimer isValid] && rtl::math::approxEqual(
                    [m_pRunningTimer timeInterval], aTI))
            {
                // set new fire date
                [m_pRunningTimer setFireDate: [NSDate dateWithTimeIntervalSinceNow: aTI]];
            }
            else
                Stop();
        }
        else
            Stop();
        if( m_pRunningTimer == nil )
        {
            m_pRunningTimer = [[NSTimer scheduledTimerWithTimeInterval: aTI
                                                    target: [[[TimerCallbackCaller alloc] init] autorelease]
                                                    selector: @selector(timerElapsed:)
                                                    userInfo: nil
                                                    repeats: NO
                                           ] retain];
            /* #i84055# add timer to tracking run loop mode,
               so they also elapse while e.g. life resize
            */
            [[NSRunLoop currentRunLoop] addTimer: m_pRunningTimer forMode: NSEventTrackingRunLoopMode];
        }
    }
}

void AquaSalTimer::Stop()
{
    assert( GetSalData()->mpInstance->IsMainThread() );

    if( m_pRunningTimer != nil )
    {
        [m_pRunningTimer invalidate];<--- syntax error
        [m_pRunningTimer release];
        m_pRunningTimer = nil;
    }
    InvalidateEvent();
}

void AquaSalTimer::callTimerCallback()
{
    ImplSVData* pSVData = ImplGetSVData();
    SolarMutexGuard aGuard;
    m_bDirectTimeout = false;
    if( pSVData->maSchedCtx.mpSalTimer )
        pSVData->maSchedCtx.mpSalTimer->CallCallback();
}

void AquaSalTimer::handleTimerElapsed()
{
    if ( m_bDirectTimeout || GetSalData()->mpInstance->mbIsLiveResize )
    {
        // Stop the timer, as it is just invalidated after the firing function
        Stop();
        callTimerCallback();
    }
    else
        queueDispatchTimerEvent( true );
}

bool AquaSalTimer::handleDispatchTimerEvent( NSEvent *pEvent )
{
    bool bIsValidEvent = IsValidEventVersion( [pEvent data1] );
    if ( bIsValidEvent )
        callTimerCallback();
    return bIsValidEvent;
}

void AquaSalTimer::handleStartTimerEvent( NSEvent* pEvent )
{
    ImplSVData* pSVData = ImplGetSVData();
    if( pSVData->maSchedCtx.mpSalTimer )
    {
        NSTimeInterval posted = [pEvent timestamp] + NSTimeInterval([pEvent data1])/1000.0;
        NSTimeInterval current = [NSDate timeIntervalSinceReferenceDate];
        sal_uLong nTimeoutMS = 0;
        if( (posted - current) > 0.0 )
            nTimeoutMS = ceil( (posted - current) * 1000 );
        Start( nTimeoutMS );
    }
}

bool AquaSalTimer::IsTimerElapsed() const
{
    assert( !((ExistsValidEvent() || m_bDirectTimeout) && m_pRunningTimer) );
    if ( ExistsValidEvent() || m_bDirectTimeout )
        return true;
    if ( !m_pRunningTimer )
        return false;
    NSDate* pDt = [m_pRunningTimer fireDate];
    return pDt && ([pDt timeIntervalSinceNow] < 0);
}

AquaSalTimer::AquaSalTimer( )
    : m_pRunningTimer( nil )
{
}

AquaSalTimer::~AquaSalTimer()
{
    Stop();
}

void AquaSalTimer::handleWindowShouldClose()
{
    // for whatever reason events get filtered on close, presumably by
    // timestamp so post a new timeout event, if there was one queued...
    if ( ExistsValidEvent() && !m_pRunningTimer )
        queueDispatchTimerEvent( false );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */