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
210
211
212
213
214
215
216
217
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "progressmixer.hxx"
/** === begin UNO includes === **/
/** === end UNO includes === **/
#include <osl/diagnose.h>
#include <map>
//........................................................................
namespace dbmm
{
//........................................................................
/** === begin UNO using === **/
/** === end UNO using === **/
#define OVERALL_RANGE 100000
//====================================================================
//= misc types
//====================================================================
struct PhaseData
{
// the weight of the phase, relative to all other phases
PhaseWeight nWeight;
// the "local" range of the phase
sal_uInt32 nRange;
// this is the point in the "overall range" at which this phase starts
sal_uInt32 nGlobalStart;
/** the "global" range of the phase, i.e. its range after weighting with all other
phases
*/
sal_uInt32 nGlobalRange;
PhaseData()
:nWeight(1)
,nRange(100)
,nGlobalStart(0)
,nGlobalRange(100)
{
}
PhaseData( const PhaseWeight _nWeight )
:nWeight( _nWeight )
,nRange(100)
,nGlobalStart(0)
,nGlobalRange(100)
{
}
};
typedef ::std::map< PhaseID, PhaseData > Phases;
//====================================================================
//= ProgressMixer_Data
//====================================================================
struct ProgressMixer_Data
{
Phases aPhases;
Phases::iterator pCurrentPhase;
sal_uInt32 nWeightSum; /// the cached sum of the weights
double nOverallStretch;
IProgressConsumer& rConsumer;
ProgressMixer_Data( IProgressConsumer& _rConsumer )
:aPhases()
,pCurrentPhase( aPhases.end() )
,nWeightSum( 0 )
,nOverallStretch( 0 )
,rConsumer( _rConsumer )
{
}
};
//--------------------------------------------------------------------
namespace
{
#if OSL_DEBUG_LEVEL > 0
//----------------------------------------------------------------
bool lcl_isRunning( const ProgressMixer_Data& _rData )
{
return _rData.pCurrentPhase != _rData.aPhases.end();
}
#endif
//----------------------------------------------------------------
void lcl_ensureInitialized( ProgressMixer_Data& _rData )
{
OSL_PRECOND( _rData.nWeightSum, "lcl_ensureInitialized: we have no phases, this will crash!" );
if ( _rData.nOverallStretch )
return;
_rData.nOverallStretch = 1.0 * OVERALL_RANGE / _rData.nWeightSum;
// tell the single phases their "overall starting point"
PhaseWeight nRunningWeight( 0 );
for ( Phases::iterator phase = _rData.aPhases.begin();
phase != _rData.aPhases.end();
++phase
)
{
phase->second.nGlobalStart = (sal_uInt32)( nRunningWeight * _rData.nOverallStretch );
nRunningWeight += phase->second.nWeight;
sal_uInt32 nNextPhaseStart = (sal_uInt32)( nRunningWeight * _rData.nOverallStretch );
phase->second.nGlobalRange = nNextPhaseStart - phase->second.nGlobalStart;
}
_rData.rConsumer.start( OVERALL_RANGE );
}
}
//====================================================================
//= ProgressMixer
//====================================================================
//--------------------------------------------------------------------
ProgressMixer::ProgressMixer( IProgressConsumer& _rConsumer )
:m_pData( new ProgressMixer_Data( _rConsumer ) )
{
}
//--------------------------------------------------------------------
ProgressMixer::~ProgressMixer()
{
}
//--------------------------------------------------------------------
void ProgressMixer::registerPhase( const PhaseID _nID, const PhaseWeight _nWeight )
{
OSL_PRECOND( !lcl_isRunning( *m_pData ), "ProgressMixer::registerPhase: already running!" );
OSL_ENSURE( m_pData->aPhases.find( _nID ) == m_pData->aPhases.end(),
"ProgressMixer::registerPhase: ID already used!" );
m_pData->aPhases[ _nID ] = PhaseData( _nWeight );
m_pData->nWeightSum += _nWeight;
}
//--------------------------------------------------------------------
void ProgressMixer::startPhase( const PhaseID _nID, const sal_uInt32 _nPhaseRange )
{
OSL_ENSURE( m_pData->aPhases.find( _nID ) != m_pData->aPhases.end(),
"ProgresMixer::startPhase: unknown phase!" );
m_pData->aPhases[ _nID ].nRange = _nPhaseRange;
m_pData->pCurrentPhase = m_pData->aPhases.find( _nID );
}
//--------------------------------------------------------------------
void ProgressMixer::advancePhase( const sal_uInt32 _nPhaseProgress )
{
OSL_PRECOND( lcl_isRunning( *m_pData ), "ProgresMixer::advancePhase: not running!" );
// in case this is the first call, ensure all the ranges/weights are calculated
// correctly
lcl_ensureInitialized( *m_pData );
const PhaseData& rPhase( m_pData->pCurrentPhase->second );
double nLocalProgress = 1.0 * _nPhaseProgress / rPhase.nRange;
sal_uInt32 nOverallProgress = (sal_uInt32)
( rPhase.nGlobalStart + nLocalProgress * rPhase.nGlobalRange );
m_pData->rConsumer.advance( nOverallProgress );
}
//--------------------------------------------------------------------
void ProgressMixer::endPhase()
{
OSL_PRECOND( lcl_isRunning( *m_pData ), "ProgresMixer::endPhase: not running!" );
// in case this is the first call, ensure all the ranges/weights are calculated
// correctly
lcl_ensureInitialized( *m_pData );
// simply assume the phase's complete range is over
advancePhase( m_pData->pCurrentPhase->second.nRange );
// if that's the last phase, this is the "global end", too
Phases::const_iterator pNextPhase( m_pData->pCurrentPhase );
++pNextPhase;
if ( pNextPhase == m_pData->aPhases.end() )
m_pData->rConsumer.end();
}
//........................................................................
} // namespace dbmm
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
