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
|
// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include "MxcAnimatedImage.h"
#include <QDir>
#include <QFileInfo>
#include <QMimeDatabase>
#include <QQuickWindow>
#include <QSGImageNode>
#include <QStandardPaths>
#include "EventAccessors.h"
#include "Logging.h"
#include "MatrixClient.h"
#include "timeline/TimelineModel.h"
void
MxcAnimatedImage::startDownload()
{
if (!room_)
return;
if (eventId_.isEmpty())
return;
auto event = room_->eventById(eventId_);
if (!event) {
nhlog::ui()->error("Failed to load media for event {}, event not found.",
eventId_.toStdString());
return;
}
QByteArray mimeType = QString::fromStdString(mtx::accessors::mimetype(*event)).toUtf8();
static const auto formats = QMovie::supportedFormats();
animatable_ = formats.contains(mimeType.split('/').back());
animatableChanged();
if (!animatable_)
return;
QString mxcUrl = QString::fromStdString(mtx::accessors::url(*event));
auto encryptionInfo = mtx::accessors::file(*event);
// If the message is a link to a non mxcUrl, don't download it
if (!mxcUrl.startsWith(QLatin1String("mxc://"))) {
return;
}
QString suffix = QMimeDatabase().mimeTypeForName(mimeType).preferredSuffix();
const auto url = mxcUrl.toStdString();
const auto name = QString(mxcUrl).remove(QStringLiteral("mxc://"));
QFileInfo filename(
QStringLiteral("%1/media_cache/media/%2.%3")
.arg(QStandardPaths::writableLocation(QStandardPaths::CacheLocation), name, suffix));
if (QDir::cleanPath(name) != name) {
nhlog::net()->warn("mxcUrl '{}' is not safe, not downloading file", url);
return;
}
QDir().mkpath(filename.path());
QPointer<MxcAnimatedImage> self = this;
auto processBuffer = [this, mimeType, encryptionInfo, self](QIODevice &device) {
if (!self)
return;
try {
if (buffer.isOpen()) {
movie.stop();
movie.setDevice(nullptr);
buffer.close();
}
if (encryptionInfo) {
QByteArray ba = device.readAll();
std::string temp(ba.constData(), ba.size());
temp =
mtx::crypto::to_string(mtx::crypto::decrypt_file(temp, encryptionInfo.value()));
buffer.setData(temp.data(), static_cast<int>(temp.size()));
} else {
buffer.setData(device.readAll());
}
buffer.open(QIODevice::ReadOnly);
buffer.reset();
} catch (const std::exception &e) {
nhlog::net()->error("Failed to setup animated image buffer: {}", e.what());
}
QTimer::singleShot(0, this, [this, mimeType] {
nhlog::ui()->info(
"Playing movie with size: {}, {}", buffer.bytesAvailable(), buffer.isOpen());
movie.setFormat(mimeType);
movie.setDevice(&buffer);
if (height() != 0 && width() != 0)
movie.setScaledSize(this->size().toSize());
if (buffer.bytesAvailable() <
4LL * 1024 * 1024 * 1024) // cache images smaller than 4MB in RAM
movie.setCacheMode(QMovie::CacheAll);
if (play_ && movie.frameCount() > 1)
movie.start();
else {
movie.jumpToFrame(0);
movie.setPaused(true);
}
emit loadedChanged();
update();
});
};
if (filename.isReadable()) {
QFile f(filename.filePath());
if (f.open(QIODevice::ReadOnly)) {
processBuffer(f);
return;
}
}
http::client()->download(url,
[filename, url, processBuffer](const std::string &data,
const std::string &,
const std::string &,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to retrieve media {}: {} {}",
url,
err->matrix_error.error,
static_cast<int>(err->status_code));
return;
}
try {
QFile file(filename.filePath());
if (!file.open(QIODevice::WriteOnly))
return;
QByteArray ba(data.data(), (int)data.size());
file.write(ba);
file.close();
QBuffer buf(&ba);
buf.open(QBuffer::ReadOnly);
processBuffer(buf);
} catch (const std::exception &e) {
nhlog::ui()->warn("Error while saving file to: {}", e.what());
}
});
}
void
MxcAnimatedImage::geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry)
{
QQuickItem::geometryChange(newGeometry, oldGeometry);
if (newGeometry.size() != oldGeometry.size()) {
if (height() != 0 && width() != 0) {
QSizeF r = movie.scaledSize();
r.scale(newGeometry.size(), Qt::KeepAspectRatio);
movie.setScaledSize(r.toSize());
imageDirty = true;
update();
}
}
}
QSGNode *
MxcAnimatedImage::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *)
{
if (!imageDirty)
return oldNode;
// If the image is offscreen, just return the old node (if it exists) to save on animation CPU
// use. Don't return null here, or you will never be called again.
if (clipRect().isEmpty() && oldNode)
return oldNode;
imageDirty = false;
QSGImageNode *n = static_cast<QSGImageNode *>(oldNode);
if (!n) {
n = window()->createImageNode();
n->setOwnsTexture(true);
// n->setFlags(QSGNode::OwnedByParent | QSGNode::OwnsGeometry |
// GSGNode::OwnsMaterial);
n->setFlags(QSGNode::OwnedByParent);
}
auto img = movie.currentImage();
n->setSourceRect(img.rect());
if (!img.isNull())
n->setTexture(window()->createTextureFromImage(std::move(img)));
else {
delete n;
return nullptr;
}
QSizeF r = img.size();
r.scale(size(), Qt::KeepAspectRatio);
n->setRect((width() - r.width()) / 2, (height() - r.height()) / 2, r.width(), r.height());
n->setFiltering(QSGTexture::Linear);
n->setMipmapFiltering(QSGTexture::None);
return n;
}
|
