summaryrefslogtreecommitdiffstats
path: root/gui/pages/ScreenshotsPage.cpp
blob: f3ec0c1dc48681922e3663d8b6dbe010082167ba (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
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
#include "ScreenshotsPage.h"
#include "ui_ScreenshotsPage.h"

#include <QModelIndex>
#include <QMutableListIterator>
#include <QMap>
#include <QSet>
#include <QFileIconProvider>
#include <QFileSystemModel>
#include <QStyledItemDelegate>
#include <QLineEdit>
#include <QtGui/qevent.h>
#include <QtGui/QPainter>

#include <pathutils.h>

#include "gui/dialogs/ProgressDialog.h"
#include "gui/dialogs/CustomMessageBox.h"
#include "logic/net/NetJob.h"
#include "logic/screenshots/ImgurUpload.h"
#include "logic/screenshots/ImgurAlbumCreation.h"
#include "logic/tasks/SequentialTask.h"

template <typename K, typename V>
class RWStorage
{
public:
	void add(K key, V value)
	{
		QWriteLocker l(&lock);
		cache[key] = value;
		stale_entries.remove(key);
	}
	V get(K key)
	{
		QReadLocker l(&lock);
		if(cache.contains(key))
		{
			return cache[key];
		}
		else return V();
	}
	bool get(K key, V& value)
	{
		QReadLocker l(&lock);
		if(cache.contains(key))
		{
			value = cache[key];
			return true;
		}
		else return false;
	}
	bool has(K key)
	{
		QReadLocker l(&lock);
		return cache.contains(key);
	}
	bool stale(K key)
	{
		QReadLocker l(&lock);
		if(!cache.contains(key))
			return true;
		return stale_entries.contains(key);
	}
	void setStale(K key)
	{
		QReadLocker l(&lock);
		if(cache.contains(key))
		{
			stale_entries.insert(key);
		}
	}
	void clear()
	{
		QWriteLocker l(&lock);
		cache.clear();
	}
private:
	QReadWriteLock lock;
	QMap<K, V> cache;
	QSet<K> stale_entries;
};

typedef RWStorage<QString, QIcon> SharedIconCache;
typedef std::shared_ptr<SharedIconCache> SharedIconCachePtr;

class ThumbnailingResult : public QObject
{
	Q_OBJECT
public Q_SLOTS:
	inline void emitResultsReady(const QString &path)
	{
		emit resultsReady(path);
	}
	inline void emitResultsFailed(const QString &path)
	{
		emit resultsFailed(path);
	}
Q_SIGNALS:
	void resultsReady(const QString &path);
	void resultsFailed(const QString &path);
};

class ThumbnailRunnable: public QRunnable
{
public:
	ThumbnailRunnable (QString path, SharedIconCachePtr cache)
	{
		m_path = path;
		m_cache = cache;
	}
	void run()
	{
		QFileInfo info(m_path);
		if(info.isDir())
			return;
		if((info.suffix().compare("png", Qt::CaseInsensitive) != 0))
			return;
		int tries = 5;
		while(tries)
		{
			if(!m_cache->stale(m_path))
				return;
			QImage image(m_path);
			if (image.isNull())
			{
				QThread::msleep(500);
				tries--;
				continue;
			}
			QImage small;
			if(image.width() > image.height())
				small = image.scaledToWidth(512).scaledToWidth(256, Qt::SmoothTransformation);
			else
				small = image.scaledToHeight(512).scaledToHeight(256, Qt::SmoothTransformation);
			auto smallSize = small.size();
			QPoint offset((256-small.width())/2, (256-small.height())/2);
			QImage square(QSize(256,256), QImage::Format_ARGB32);
			square.fill(Qt::transparent);
			
			QPainter painter(&square);
			painter.drawImage(offset, small);
			painter.end();
			
			QIcon icon(QPixmap::fromImage(square));
			m_cache->add(m_path, icon);
			m_resultEmitter.emitResultsReady(m_path);
			return;
		}
		m_resultEmitter.emitResultsFailed(m_path);
	}
	QString m_path;
	SharedIconCachePtr m_cache;
	ThumbnailingResult m_resultEmitter;
};

// this is about as elegant and well written as a bag of bricks with scribbles done by insane asylum patients.
class FilterModel : public QIdentityProxyModel
{
	Q_OBJECT
public:
	explicit FilterModel(QObject *parent = 0):QIdentityProxyModel(parent)
	{
		m_thumbnailingPool.setMaxThreadCount(4);
		m_thumbnailCache = std::make_shared<SharedIconCache>();
		m_thumbnailCache->add("placeholder", QIcon::fromTheme("screenshot-placeholder"));
		connect(&watcher, SIGNAL(fileChanged(QString)), SLOT(fileChanged(QString)));
		// FIXME: the watched file set is not updated when files are removed
	}
	virtual ~FilterModel()
	{
		m_thumbnailingPool.waitForDone(500);
	}
	virtual QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const
	{
		auto model = sourceModel();
		if (!model)
			return QVariant();
		if (role == Qt::DisplayRole || role == Qt::EditRole)
		{
			QVariant result = sourceModel()->data(mapToSource(proxyIndex), role);
			return result.toString().remove(QRegExp("\\.png$"));
		}
		if (role == Qt::DecorationRole)
		{
			QVariant result = sourceModel()->data(mapToSource(proxyIndex), QFileSystemModel::FilePathRole);
			QString filePath = result.toString();
			QIcon temp;
			if(!watched.contains(filePath))
			{
				((QFileSystemWatcher &)watcher).addPath(filePath);
				((QSet<QString> &)watched).insert(filePath);
			}
			if(m_thumbnailCache->get(filePath, temp))
			{
				return temp;
			}
			if(!m_failed.contains(filePath))
			{
				((FilterModel *)this)->thumbnailImage(filePath);
			}
			return(m_thumbnailCache->get("placeholder"));
		}
		return sourceModel()->data(mapToSource(proxyIndex), role);
	}
	virtual bool setData(const QModelIndex &index, const QVariant &value,
						 int role = Qt::EditRole)
	{
		auto model = sourceModel();
		if (!model)
			return false;
		if (role != Qt::EditRole)
			return false;
		// FIXME: this is a workaround for a bug in QFileSystemModel, where it doesn't
		// sort after renames
		{
			((QFileSystemModel *)model)->setNameFilterDisables(true);
			((QFileSystemModel *)model)->setNameFilterDisables(false);
		}
		return model->setData(mapToSource(index), value.toString() + ".png", role);
	}
private:
	void thumbnailImage(QString path)
	{
		auto runnable = new ThumbnailRunnable(path, m_thumbnailCache);
		connect(&(runnable->m_resultEmitter),SIGNAL(resultsReady(QString)), SLOT(thumbnailReady(QString)));
		connect(&(runnable->m_resultEmitter),SIGNAL(resultsFailed(QString)), SLOT(thumbnailFailed(QString)));
		((QThreadPool &)m_thumbnailingPool).start(runnable);
	}
private
slots:
	void thumbnailReady(QString path)
	{
		emit layoutChanged();
	}
	void thumbnailFailed(QString path)
	{
		m_failed.insert(path);
	}
	void fileChanged(QString filepath)
	{
		m_thumbnailCache->setStale(filepath);
		thumbnailImage(filepath);
		// reinsert the path...
		watcher.removePath(filepath);
		watcher.addPath(filepath);
	}

private:
	SharedIconCachePtr m_thumbnailCache;
	QThreadPool m_thumbnailingPool;
	QSet<QString> m_failed;
	QSet<QString> watched;
	QFileSystemWatcher watcher;
};

class CenteredEditingDelegate : public QStyledItemDelegate
{
public:
	explicit CenteredEditingDelegate(QObject *parent = 0) : QStyledItemDelegate(parent)
	{
	}
	virtual ~CenteredEditingDelegate()
	{
	}
	virtual QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
								  const QModelIndex &index) const
	{
		auto widget = QStyledItemDelegate::createEditor(parent, option, index);
		auto foo = dynamic_cast<QLineEdit *>(widget);
		if (foo)
		{
			foo->setAlignment(Qt::AlignHCenter);
			foo->setFrame(true);
			foo->setMaximumWidth(192);
		}
		return widget;
	}
};

QString ScreenshotsPage::displayName()
{
	return tr("Screenshots");
}

QIcon ScreenshotsPage::icon()
{
	return QIcon::fromTheme("screenshots");
}

QString ScreenshotsPage::id()
{
	return "screenshots";
}

ScreenshotsPage::ScreenshotsPage(BaseInstance *instance, QWidget *parent)
	: QWidget(parent), ui(new Ui::ScreenshotsPage)
{
	m_model.reset(new QFileSystemModel());
	m_filterModel.reset(new FilterModel());
	m_filterModel->setSourceModel(m_model.get());
	m_model->setFilter(QDir::Files | QDir::Writable | QDir::Readable);
	m_model->setReadOnly(false);
	m_model->setNameFilters({"*.png"});
	m_model->setNameFilterDisables(false);
	m_folder = PathCombine(instance->minecraftRoot(), "screenshots");
	m_valid = ensureFolderPathExists(m_folder);

	ui->setupUi(this);
	ui->listView->setModel(m_filterModel.get());
	ui->listView->setIconSize(QSize(128, 128));
	ui->listView->setGridSize(QSize(192, 160));
	ui->listView->setSpacing(9);
	// ui->listView->setUniformItemSizes(true);
	ui->listView->setLayoutMode(QListView::Batched);
	ui->listView->setViewMode(QListView::IconMode);
	ui->listView->setResizeMode(QListView::Adjust);
	ui->listView->installEventFilter(this);
	ui->listView->setEditTriggers(0);
	ui->listView->setItemDelegate(new CenteredEditingDelegate(this));
	connect(ui->listView, SIGNAL(activated(QModelIndex)), SLOT(onItemActivated(QModelIndex)));
}

bool ScreenshotsPage::eventFilter(QObject *obj, QEvent *evt)
{
	if (obj != ui->listView)
		return QWidget::eventFilter(obj, evt);
	if (evt->type() != QEvent::KeyPress)
	{
		return QWidget::eventFilter(obj, evt);
	}
	QKeyEvent *keyEvent = static_cast<QKeyEvent *>(evt);
	switch (keyEvent->key())
	{
	case Qt::Key_Delete:
		on_deleteBtn_clicked();
		return true;
	case Qt::Key_F2:
		on_renameBtn_clicked();
		return true;
	default:
		break;
	}
	return QWidget::eventFilter(obj, evt);
}

ScreenshotsPage::~ScreenshotsPage()
{
	delete ui;
}

void ScreenshotsPage::onItemActivated(QModelIndex index)
{
	if (!index.isValid())
		return;
	auto info = m_model->fileInfo(index);
	QString fileName = info.absoluteFilePath();
	openFileInDefaultProgram(info.absoluteFilePath());
}

void ScreenshotsPage::on_viewFolderBtn_clicked()
{
	openDirInDefaultProgram(m_folder, true);
}

void ScreenshotsPage::on_uploadBtn_clicked()
{
	auto selection = ui->listView->selectionModel()->selectedIndexes();
	if (selection.isEmpty())
		return;

	QList<ScreenshotPtr> uploaded;
	auto job = std::make_shared<NetJob>("Screenshot Upload");
	for (auto item : selection)
	{
		auto info = m_model->fileInfo(item);
		auto screenshot = std::make_shared<ScreenShot>(info);
		uploaded.push_back(screenshot);
		job->addNetAction(ImgurUpload::make(screenshot));
	}
	SequentialTask task;
	auto albumTask = std::make_shared<NetJob>("Imgur Album Creation");
	auto imgurAlbum = ImgurAlbumCreation::make(uploaded);
	albumTask->addNetAction(imgurAlbum);
	task.addTask(job);
	task.addTask(albumTask);
	ProgressDialog prog(this);
	if (prog.exec(&task) != QDialog::Accepted)
	{
		CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"),
									 tr("Unknown error"), QMessageBox::Warning)->exec();
	}
	else
	{
		CustomMessageBox::selectable(
			this, tr("Upload finished"),
			tr("<a href=\"https://imgur.com/a/%1\">Visit album</a><br/>Delete hash: %2 (save "
			   "this if you want to be able to edit/delete the album)")
				.arg(imgurAlbum->id(), imgurAlbum->deleteHash()),
			QMessageBox::Information)->exec();
	}
}

void ScreenshotsPage::on_deleteBtn_clicked()
{
	auto mbox = CustomMessageBox::selectable(
		this, tr("Are you sure?"), tr("This will delete all selected screenshots."),
		QMessageBox::Warning, QMessageBox::Yes | QMessageBox::No);
	std::unique_ptr<QMessageBox> box(mbox);

	if (box->exec() != QMessageBox::Yes)
		return;

	auto selected = ui->listView->selectionModel()->selectedIndexes();
	for (auto item : selected)
	{
		m_model->remove(item);
	}
}

void ScreenshotsPage::on_renameBtn_clicked()
{
	auto selection = ui->listView->selectionModel()->selectedIndexes();
	if (selection.isEmpty())
		return;
	ui->listView->edit(selection[0]);
	// TODO: mass renaming
}

void ScreenshotsPage::opened()
{
	if (m_valid)
	{
		QString path = QDir(m_folder).absolutePath();
		m_model->setRootPath(path);
		ui->listView->setRootIndex(m_filterModel->mapFromSource(m_model->index(path)));
	}
}

#include "ScreenshotsPage.moc"