Unpack and prepare emoji asynchronously.

This commit is contained in:
John Preston 2018-12-27 12:01:03 +04:00
parent f48ae29f22
commit aa2c52c1f8
3 changed files with 122 additions and 87 deletions

View File

@ -75,14 +75,12 @@ public:
int id() const;
rpl::producer<SetState> state() const;
void destroy();
private:
void setImplementation(std::unique_ptr<MTP::DedicatedLoader> loader);
void unpack(const QString &path);
void finalize(const QString &path);
bool goodName(const QString &name) const;
bool writeCurrentFile(zlib::FileToRead &zip, const QString name) const;
void destroy();
void fail();
int _id = 0;
@ -118,14 +116,20 @@ private:
void load();
int _id = 0;
bool _switching = false;
rpl::variable<SetState> _state;
std::unique_ptr<Ui::RadialAnimation> _loading;
};
QPointer<Loader> GlobalLoader;
base::unique_qptr<Loader> GlobalLoader;
rpl::event_stream<Loader*> GlobalLoaderValues;
void SetGlobalLoader(base::unique_qptr<Loader> loader) {
GlobalLoader = std::move(loader);
GlobalLoaderValues.fire(GlobalLoader.get());
}
int GetDownloadSize(int id) {
const auto sets = Sets();
return ranges::find(sets, id, &Set::id)->size;
@ -172,6 +176,50 @@ QByteArray ReadFinalFile(const QString &path) {
return file.readAll();
}
bool ExtractZipFile(zlib::FileToRead &zip, const QString path) {
constexpr auto kMaxSize = 10 * 1024 * 1024;
const auto content = zip.readCurrentFileContent(kMaxSize);
if (content.isEmpty() || zip.error() != UNZ_OK) {
return false;
}
auto file = QFile(path);
return file.open(QIODevice::WriteOnly)
&& (file.write(content) == content.size());
}
bool GoodSetPartName(const QString &name) {
return (name == qstr("config.json"))
|| (name.startsWith(qstr("emoji_"))
&& name.endsWith(qstr(".webp")));
}
bool UnpackSet(const QString &path, const QString &folder) {
const auto bytes = ReadFinalFile(path);
if (bytes.isEmpty()) {
return false;
}
auto zip = zlib::FileToRead(bytes);
if (zip.goToFirstFile() != UNZ_OK) {
return false;
}
do {
const auto name = zip.getCurrentFileName();
const auto path = folder + '/' + name;
if (GoodSetPartName(name) && !ExtractZipFile(zip, path)) {
return false;
}
const auto jump = zip.goToNextFile();
if (jump == UNZ_END_OF_LIST_OF_FILE) {
break;
} else if (jump != UNZ_OK) {
return false;
}
} while (true);
return true;
}
Loader::Loader(QObject *parent, int id)
: QObject(parent)
, _id(id)
@ -223,45 +271,27 @@ void Loader::setImplementation(
}
void Loader::unpack(const QString &path) {
const auto bytes = ReadFinalFile(path);
if (bytes.isEmpty()) {
return fail();
}
auto zip = zlib::FileToRead(bytes);
if (zip.goToFirstFile() != UNZ_OK) {
return fail();
}
do {
const auto name = zip.getCurrentFileName();
if (goodName(name) && !writeCurrentFile(zip, name)) {
return fail();
const auto folder = internal::SetDataPath(_id);
const auto weak = make_weak(this);
crl::async([=] {
if (UnpackSet(path, folder)) {
QFile(path).remove();
SwitchToSet(_id, crl::guard(weak, [=](bool success) {
if (success) {
destroy();
} else {
fail();
}
}));
} else {
crl::on_main(weak, [=] {
fail();
});
}
const auto jump = zip.goToNextFile();
if (jump == UNZ_END_OF_LIST_OF_FILE) {
break;
} else if (jump != UNZ_OK) {
return fail();
}
} while (true);
finalize(path);
}
bool Loader::goodName(const QString &name) const {
return (name == qstr("config.json"))
|| (name.startsWith(qstr("emoji_"))
&& name.endsWith(qstr(".webp")));
});
}
void Loader::finalize(const QString &path) {
QFile(path).remove();
if (!SwitchToSet(_id)) {
fail();
} else {
destroy();
}
}
void Loader::fail() {
@ -269,22 +299,9 @@ void Loader::fail() {
}
void Loader::destroy() {
GlobalLoaderValues.fire(nullptr);
delete this;
}
Expects(GlobalLoader == this);
bool Loader::writeCurrentFile(
zlib::FileToRead &zip,
const QString name) const {
constexpr auto kMaxSize = 10 * 1024 * 1024;
const auto content = zip.readCurrentFileContent(kMaxSize);
if (content.isEmpty() || zip.error() != UNZ_OK) {
return false;
}
const auto folder = internal::SetDataPath(_id) + '/';
auto file = QFile(folder + name);
return file.open(QIODevice::WriteOnly)
&& (file.write(content) == content.size());
SetGlobalLoader(nullptr);
}
Inner::Inner(QWidget *parent) : RpWidget(parent) {
@ -327,7 +344,7 @@ void Row::paintEvent(QPaintEvent *e) {
void Row::setupContent(const Set &set) {
_state = GlobalLoaderValues.events_starting_with(
GlobalLoader.data()
GlobalLoader.get()
) | rpl::map([=](Loader *loader) {
return (loader && loader->id() == _id)
? loader->state()
@ -353,20 +370,21 @@ void Row::setupHandler() {
clicks(
) | rpl::filter([=] {
const auto &state = _state.current();
return state.is<Ready>() || state.is<Available>();
return !_switching && (state.is<Ready>() || state.is<Available>());
}) | rpl::start_with_next([=] {
if (_state.current().is<Available>()) {
load();
return;
}
const auto delay = st::defaultRippleAnimation.hideDuration;
App::CallDelayed(delay, this, [=] {
if (!SwitchToSet(_id)) {
_switching = true;
SwitchToSet(_id, crl::guard(this, [=](bool success) {
_switching = false;
if (!success) {
load();
} else {
delete GlobalLoader;
} else if (GlobalLoader && GlobalLoader->id() == _id) {
GlobalLoader->destroy();
}
});
}));
}, lifetime());
_state.value(
@ -379,8 +397,7 @@ void Row::setupHandler() {
}
void Row::load() {
GlobalLoader = Ui::CreateChild<Loader>(App::main(), _id);
GlobalLoaderValues.fire(GlobalLoader.data());
SetGlobalLoader(base::make_unique_q<Loader>(App::main(), _id));
}
void Row::setupCheck() {

View File

@ -153,7 +153,22 @@ int ReadCurrentSetId() {
: 0;
}
void ClearCurrentSetId() {
void SwitchToSetPrepared(int id, std::shared_ptr<UniversalImages> images) {
auto setting = QFile(CurrentSettingPath());
if (!id) {
setting.remove();
} else if (setting.open(QIODevice::WriteOnly)) {
auto stream = QDataStream(&setting);
stream.setVersion(QDataStream::Qt_5_1);
stream << qint32(id);
}
Universal = std::move(images);
MainEmojiMap.clear();
OtherEmojiMap.clear();
Updates.fire({});
}
void ClearCurrentSetIdSync() {
Expects(Universal != nullptr);
const auto id = Universal->id();
@ -161,7 +176,11 @@ void ClearCurrentSetId() {
return;
}
QDir(internal::SetDataPath(id)).removeRecursively();
SwitchToSet(0);
const auto newId = 0;
auto universal = std::make_shared<UniversalImages>(newId);
universal->ensureLoaded();
SwitchToSetPrepared(newId, std::move(universal));
}
void SaveToFile(int id, const QImage &image, int size, int index) {
@ -531,29 +550,26 @@ int CurrentSetId() {
return Universal->id();
}
bool SwitchToSet(int id) {
void SwitchToSet(int id, Fn<void(bool)> callback) {
Expects(IsValidSetId(id));
if (Universal && Universal->id() == id) {
return true;
callback(true);
return;
}
auto universal = std::make_shared<UniversalImages>(id);
if (!universal->ensureLoaded()) {
return false;
}
auto setting = QFile(CurrentSettingPath());
if (!id) {
setting.remove();
} else if (setting.open(QIODevice::WriteOnly)) {
auto stream = QDataStream(&setting);
stream.setVersion(QDataStream::Qt_5_1);
stream << qint32(id);
}
Universal = std::move(universal);
MainEmojiMap.clear();
OtherEmojiMap.clear();
Updates.fire({});
return true;
crl::async([=] {
auto universal = std::make_shared<UniversalImages>(id);
if (!universal->ensureLoaded()) {
crl::on_main([=] {
callback(false);
});
} else {
crl::on_main([=, universal = std::move(universal)]() mutable {
SwitchToSetPrepared(id, std::move(universal));
callback(true);
});
}
});
}
bool SetIsReady(int id) {
@ -903,7 +919,7 @@ void Instance::checkUniversalImages() {
_sprites.clear();
}
if (!Universal->ensureLoaded() && Universal->id() != 0) {
ClearCurrentSetId();
ClearCurrentSetIdSync();
}
}

View File

@ -32,9 +32,11 @@ struct Set {
QString name;
};
// Thread safe, callback is called on main thread.
void SwitchToSet(int id, Fn<void(bool)> callback);
std::vector<Set> Sets();
int CurrentSetId();
bool SwitchToSet(int id);
bool SetIsReady(int id);
rpl::producer<> Updated();