summaryrefslogtreecommitdiffstats
path: root/juk/coverinfo.cpp
blob: 2ae531bcfdf767018d794a10fd026d38d079b5c4 (plain)
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
/***************************************************************************
    copyright            : (C) 2004 Nathan Toone
                         : (C) 2005 Michael Pyne <[email protected]>
    email                : [email protected]
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include <kglobal.h>
#include <kapplication.h>
#include <kstandarddirs.h>
#include <kdebug.h>

#include <tqregexp.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcursor.h>

#include "collectionlist.h"
#include "playlistsearch.h"
#include "playlistitem.h"
#include "coverinfo.h"
#include "tag.h"

struct CoverPopup : public TQWidget
{
    CoverPopup(const TQPixmap &image, const TQPoint &p) :
        TQWidget(0, 0, WDestructiveClose | WX11BypassWM)
    {
        TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
        TQLabel *label = new TQLabel(this);

        tqlayout->addWidget(label);
        label->setFrameStyle(TQFrame::Box | TQFrame::Raised);
        label->setLineWidth(1);
        label->setPixmap(image);

        setGeometry(p.x(), p.y(), label->width(), label->height());
        show();
    }
    virtual void leaveEvent(TQEvent *) { close(); }
    virtual void mouseReleaseEvent(TQMouseEvent *) { close(); }
};

////////////////////////////////////////////////////////////////////////////////
// public members
////////////////////////////////////////////////////////////////////////////////


CoverInfo::CoverInfo(const FileHandle &file) :
    m_file(file),
    m_hasCover(false),
    m_haveCheckedForCover(false),
    m_coverKey(CoverManager::NoMatch),
    m_needsConverting(false)
{

}

bool CoverInfo::hasCover()
{
    if(m_haveCheckedForCover)
        return m_hasCover;

    m_haveCheckedForCover = true;

    // Check for new-style covers.  First let's determine what our coverKey is
    // if it's not already set, as that's also tracked by the CoverManager.
    if(m_coverKey == CoverManager::NoMatch)
        m_coverKey = CoverManager::idForTrack(m_file.absFilePath());

    // We were assigned a key, let's see if we already have a cover.  Notice
    // that due to the way the CoverManager is structured, we should have a
    // cover if we have a cover key.  If we don't then either there's a logic
    // error, or the user has been mucking around where they shouldn't.
    if(m_coverKey != CoverManager::NoMatch)
        m_hasCover = CoverManager::hasCover(m_coverKey);

    // We *still* don't have it?  Check the old-style covers then.
    if(!m_hasCover) {
        m_hasCover = TQFile(coverLocation(FullSize)).exists();

        if(m_hasCover)
            m_needsConverting = true;
    }

    return m_hasCover;
}

void CoverInfo::clearCover()
{
    m_hasCover = false;

    // Yes, we have checked, and we don't have it. ;)
    m_haveCheckedForCover = true;

    m_needsConverting = false;

    // We don't need to call removeCover because the CoverManager will
    // automatically unlink the cover if we were the last track to use it.
    CoverManager::setIdForTrack(m_file.absFilePath(), CoverManager::NoMatch);
    m_coverKey = CoverManager::NoMatch;
}

void CoverInfo::setCover(const TQImage &image)
{
    if(image.isNull())
        return;

    m_haveCheckedForCover = true;
    m_needsConverting = false;
    m_hasCover = true;

    TQPixmap cover;
    cover.convertFromImage(image);

    // If we use replaceCover we'll change the cover for every other track
    // with the same coverKey, which we don't want since that case will be
    // handled by Playlist.  Instead just replace this track's cover.
    m_coverKey = CoverManager::addCover(cover, m_file.tag()->artist(), m_file.tag()->album());
    if(m_coverKey != CoverManager::NoMatch)
        CoverManager::setIdForTrack(m_file.absFilePath(), m_coverKey);
}

void CoverInfo::setCoverId(coverKey id)
{
    m_coverKey = id;
    m_haveCheckedForCover = true;
    m_needsConverting = false;
    m_hasCover = id != CoverManager::NoMatch;

    // Inform CoverManager of the change.
    CoverManager::setIdForTrack(m_file.absFilePath(), m_coverKey);
}

void CoverInfo::applyCoverToWholeAlbum(bool overwriteExistingCovers) const
{
    TQString artist = m_file.tag()->artist();
    TQString album = m_file.tag()->album();
    PlaylistSearch::ComponentList components;
    ColumnList columns;

    columns.append(PlaylistItem::ArtistColumn);
    components.append(PlaylistSearch::Component(artist, false, columns, PlaylistSearch::Component::Exact));

    columns.clear();
    columns.append(PlaylistItem::AlbumColumn);
    components.append(PlaylistSearch::Component(album, false, columns, PlaylistSearch::Component::Exact));

    PlaylistList playlists;
    playlists.append(CollectionList::instance());

    PlaylistSearch search(playlists, components, PlaylistSearch::MatchAll);

    // Search done, iterate through results.

    PlaylistItemList results = search.matchedItems();
    PlaylistItemList::ConstIterator it = results.constBegin();
    for(; it != results.constEnd(); ++it) {

        // Don't worry about files that somehow already have a tag,
        // unless the coversion is forced.
        if(!overwriteExistingCovers && !(*it)->file().coverInfo()->m_needsConverting)
            continue;

        kdDebug(65432) << "Setting cover for: " << *it << endl;
        (*it)->file().coverInfo()->setCoverId(m_coverKey);
    }
}

TQPixmap CoverInfo::pixmap(CoverSize size) const
{
    if(m_needsConverting)
        convertOldStyleCover();

    if(m_coverKey == CoverManager::NoMatch)
        return TQPixmap();

    if(size == Thumbnail)
        return CoverManager::coverFromId(m_coverKey, CoverManager::Thumbnail);
    else
        return CoverManager::coverFromId(m_coverKey, CoverManager::FullSize);
}

void CoverInfo::popup() const
{
    TQPixmap image = pixmap(FullSize);
    TQPoint mouse  = TQCursor::pos();
    TQRect desktop = KApplication::desktop()->screenGeometry(mouse);
    
    int x = mouse.x();
    int y = mouse.y();
    int height = image.size().height() + 4;
    int width  = image.size().width() + 4;

    // Detect the right direction to pop up (always towards the center of the
    // screen), try to pop up with the mouse pointer 10 pixels into the image in
    // both directions.  If we're too close to the screen border for this margin,
    // show it at the screen edge, accounting for the four pixels (two on each
    // side) for the window border.

    if(x - desktop.x() < desktop.width() / 2)
        x = (x - desktop.x() < 10) ? desktop.x() : (x - 10);
    else
        x = (x - desktop.x() > desktop.width() - 10) ? desktop.width() - width +desktop.x() : (x - width + 10);

    if(y - desktop.y() < desktop.height() / 2)
        y = (y - desktop.y() < 10) ? desktop.y() : (y - 10);
    else
        y = (y - desktop.y() > desktop.height() - 10) ? desktop.height() - height + desktop.y() : (y - height + 10);

    new CoverPopup(image, TQPoint(x, y));
}

/**
 * DEPRECATED
 */
TQString CoverInfo::coverLocation(CoverSize size) const
{
    TQString fileName(TQFile::encodeName(m_file.tag()->artist() + " - " + m_file.tag()->album()));
    TQRegExp maskedFileNameChars("[ /?:\"]");

    fileName.replace(maskedFileNameChars, "_");
    fileName.append(".png");

    TQString dataDir = KGlobal::dirs()->saveLocation("appdata");
    TQString subDir;

    switch (size) {
    case FullSize:
        subDir = "large/";
        break;
    default:
        break;
    }
    TQString fileLocation = dataDir + "covers/" + subDir + fileName.lower();

    return fileLocation;
}

bool CoverInfo::convertOldStyleCover() const
{
    // Ah, old-style cover.  Let's transfer it to the new system.
    kdDebug() << "Found old style cover for " << m_file.absFilePath() << endl;

    TQString artist = m_file.tag()->artist();
    TQString album = m_file.tag()->album();
    TQString oldLocation = coverLocation(FullSize);
    m_coverKey = CoverManager::addCover(oldLocation, artist, album);

    m_needsConverting = false;

    if(m_coverKey != CoverManager::NoMatch) {
        CoverManager::setIdForTrack(m_file.absFilePath(), m_coverKey);

        // Now let's also set the ID for the tracks matching the track and
        // artist at this point so that the conversion is complete, otherwise
        // we can't tell apart the "No cover on purpose" and "Has no cover yet"
        // possibilities.

        applyCoverToWholeAlbum();

        // If we convert we need to remove the old cover otherwise we'll find
        // it later if the user un-sets the new cover.
        if(!TQFile::remove(oldLocation))
            kdError(65432) << "Unable to remove converted cover at " << oldLocation << endl;

        return true;
    }
    else {
        kdDebug() << "We were unable to replace the old style cover.\n";
        return false;
    }
}

// vim: set et sw=4 ts=8: