1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20 #include <time.h>
21 #include <osl/diagnose.h>
22
23 #include <address.hxx>
24 #include <autostyl.hxx>
25 #include <docsh.hxx>
26
TimeNow()27 static sal_uLong TimeNow() // seconds
28 {
29 return static_cast<sal_uLong>(time(nullptr));
30 }
31
32 namespace {
33
34 class FindByRange
35 {
36 ScRange const maRange;
37 public:
FindByRange(const ScRange & r)38 explicit FindByRange(const ScRange& r) : maRange(r) {}
operator ()(const ScAutoStyleData & rData) const39 bool operator() (const ScAutoStyleData& rData) const { return rData.aRange == maRange; }
40 };
41
42 class FindByTimeout
43 {
44 sal_uLong const mnTimeout;
45 public:
FindByTimeout(sal_uLong n)46 explicit FindByTimeout(sal_uLong n) : mnTimeout(n) {}
operator ()(const ScAutoStyleData & rData) const47 bool operator() (const ScAutoStyleData& rData) const { return rData.nTimeout >= mnTimeout; }
48 };
49
50 struct FindNonZeroTimeout
51 {
operator ()__anonfe38ab9a0111::FindNonZeroTimeout52 bool operator() (const ScAutoStyleData& rData) const
53 {
54 return rData.nTimeout != 0;
55 }
56 };
57
58 }
59
ScAutoStyleList(ScDocShell * pShell)60 ScAutoStyleList::ScAutoStyleList(ScDocShell* pShell)
61 : pDocSh(pShell)
62 , aTimer("ScAutoStyleList Timer")
63 , aInitIdle("ScAutoStyleList InitIdle")
64 , nTimerStart(0)
65 {
66 aTimer.SetInvokeHandler( LINK( this, ScAutoStyleList, TimerHdl ) );
67 aInitIdle.SetInvokeHandler( LINK( this, ScAutoStyleList, InitHdl ) );
68 aInitIdle.SetPriority( TaskPriority::HIGHEST );
69 }
70
~ScAutoStyleList()71 ScAutoStyleList::~ScAutoStyleList()
72 {
73 }
74
75 // initial short delay (asynchronous call)
76
AddInitial(const ScRange & rRange,const OUString & rStyle1,sal_uLong nTimeout,const OUString & rStyle2)77 void ScAutoStyleList::AddInitial( const ScRange& rRange, const OUString& rStyle1,
78 sal_uLong nTimeout, const OUString& rStyle2 )
79 {
80 aInitials.emplace_back( rRange, rStyle1, nTimeout, rStyle2 );
81 aInitIdle.Start();
82 }
83
IMPL_LINK_NOARG(ScAutoStyleList,InitHdl,Timer *,void)84 IMPL_LINK_NOARG(ScAutoStyleList, InitHdl, Timer *, void)
85 {
86 for (const auto& rInitial : aInitials)
87 {
88 // apply first style immediately
89 pDocSh->DoAutoStyle(rInitial.aRange, rInitial.aStyle1);
90
91 // add second style to list
92 if (rInitial.nTimeout)
93 AddEntry(rInitial.nTimeout, rInitial.aRange, rInitial.aStyle2 );
94 }
95
96 aInitials.clear();
97 }
98
AddEntry(sal_uLong nTimeout,const ScRange & rRange,const OUString & rStyle)99 void ScAutoStyleList::AddEntry( sal_uLong nTimeout, const ScRange& rRange, const OUString& rStyle )
100 {
101 aTimer.Stop();
102 sal_uLong nNow = TimeNow();
103
104 // Remove the first item with the same range.
105 std::vector<ScAutoStyleData>::iterator itr =
106 ::std::find_if(aEntries.begin(), aEntries.end(), FindByRange(rRange));
107
108 if (itr != aEntries.end())
109 aEntries.erase(itr);
110
111 // adjust timeouts of all entries
112
113 if (!aEntries.empty() && nNow != nTimerStart)
114 {
115 OSL_ENSURE(nNow>nTimerStart, "Time is running backwards?");
116 AdjustEntries((nNow-nTimerStart)*1000);
117 }
118
119 // find insert position
120 std::vector<ScAutoStyleData>::iterator iter =
121 ::std::find_if(aEntries.begin(), aEntries.end(), FindByTimeout(nTimeout));
122
123 aEntries.insert(iter, ScAutoStyleData(nTimeout,rRange,rStyle));
124
125 // execute expired, restart timer
126
127 ExecuteEntries();
128 StartTimer(nNow);
129 }
130
AdjustEntries(sal_uLong nDiff)131 void ScAutoStyleList::AdjustEntries( sal_uLong nDiff ) // milliseconds
132 {
133 for (auto& rEntry : aEntries)
134 {
135 if (rEntry.nTimeout <= nDiff)
136 rEntry.nTimeout = 0; // expired
137 else
138 rEntry.nTimeout -= nDiff; // continue counting
139 }
140 }
141
ExecuteEntries()142 void ScAutoStyleList::ExecuteEntries()
143 {
144 // Execute and remove all items with timeout == 0 from the begin position
145 // until the first item with non-zero timeout value.
146 std::vector<ScAutoStyleData>::iterator itr = aEntries.begin(), itrEnd = aEntries.end();
147 for (; itr != itrEnd; ++itr)
148 {
149 if (itr->nTimeout)
150 break;
151
152 pDocSh->DoAutoStyle(itr->aRange, itr->aStyle);
153 }
154 // At this point itr should be on the first item with non-zero timeout, or
155 // the end position in case all items have timeout == 0.
156 aEntries.erase(aEntries.begin(), itr);
157 }
158
ExecuteAllNow()159 void ScAutoStyleList::ExecuteAllNow()
160 {
161 aTimer.Stop();
162
163 for (const auto& rEntry : aEntries)
164 pDocSh->DoAutoStyle(rEntry.aRange, rEntry.aStyle);
165
166 aEntries.clear();
167 }
168
StartTimer(sal_uLong nNow)169 void ScAutoStyleList::StartTimer( sal_uLong nNow ) // seconds
170 {
171 // find first entry with Timeout != 0
172 std::vector<ScAutoStyleData>::iterator iter =
173 ::std::find_if(aEntries.begin(),aEntries.end(), FindNonZeroTimeout());
174
175 if (iter != aEntries.end())
176 {
177 aTimer.SetTimeout(iter->nTimeout);
178 aTimer.Start();
179 }
180
181 nTimerStart = nNow;
182 }
183
IMPL_LINK_NOARG(ScAutoStyleList,TimerHdl,Timer *,void)184 IMPL_LINK_NOARG(ScAutoStyleList, TimerHdl, Timer *, void)
185 {
186 sal_uLong nNow = TimeNow();
187 AdjustEntries(aTimer.GetTimeout()); // the set waiting time
188 ExecuteEntries();
189 StartTimer(nNow);
190 }
191
192 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
193