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Don't retry downloading too often

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This commit is contained in:
Slava Monich 2021-01-08 02:44:18 +02:00
parent e3370bf73e
commit 4f275a5405
2 changed files with 41 additions and 6 deletions
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38
src/tdlibfile.cpp
View file

@ -1,5 +1,5 @@
/*
Copyright (C) 2020 Slava Monich at al.
Copyright (C) 2020-2021 Slava Monich at al.
This file is part of Fernschreiber.
@ -107,6 +107,7 @@ void TDLibFile::init()
queuedSignals = 0;
firstQueuedSignal = SignalCount;
autoLoad = false;
downloadHoldOffTimer = 0;
id = 0;
expected_size = 0;
size = 0;
@ -174,7 +175,7 @@ void TDLibFile::updateTDLibWrapper(TDLibWrapper* tdlib)
if (tdlib) {
connect(tdlib, SIGNAL(fileUpdated(int,QVariantMap)), SLOT(handleFileUpdated(int,QVariantMap)));
if (autoLoad) {
load();
downloadFile();
}
}
queueSignal(SignalTdLibChanged);
@ -187,7 +188,7 @@ void TDLibFile::setAutoLoad(bool enableAutoLoad)
autoLoad = enableAutoLoad;
queueSignal(SignalAutoLoadChanged);
if (autoLoad) {
load();
downloadFile();
}
emitQueuedSignals();
}
@ -195,7 +196,19 @@ void TDLibFile::setAutoLoad(bool enableAutoLoad)
bool TDLibFile::load()
{
if (id && tdLibWrapper && !is_downloading_active && !is_downloading_completed && can_be_downloaded) {
// Manual load ignores hold-off timer
if (downloadHoldOffTimer) {
killTimer(downloadHoldOffTimer);
downloadHoldOffTimer = 0;
}
return downloadFile();
}
bool TDLibFile::downloadFile()
{
if (id && tdLibWrapper && !downloadHoldOffTimer &&
!is_downloading_active && !is_downloading_completed && can_be_downloaded) {
downloadHoldOffTimer = startTimer(DownloadHoldOffMs);
tdLibWrapper->downloadFile(id);
return true;
}
@ -205,12 +218,26 @@ bool TDLibFile::load()
void TDLibFile::setFileInfo(const QVariantMap &fileInfo)
{
updateFileInfo(fileInfo);
if (is_downloading_completed && downloadHoldOffTimer) {
// Don't need this timer anymore
killTimer(downloadHoldOffTimer);
downloadHoldOffTimer = 0;
}
if (autoLoad) {
load();
downloadFile();
}
emitQueuedSignals();
}
void TDLibFile::timerEvent(QTimerEvent *)
{
killTimer(downloadHoldOffTimer);
downloadHoldOffTimer = 0;
if (autoLoad) {
downloadFile();
}
}
void TDLibFile::handleFileUpdated(int fileId, const QVariantMap &fileInfo)
{
if (id == fileId) {
@ -256,6 +283,7 @@ void TDLibFile::updateFileInfo(const QVariantMap &file)
bool b, fileChanged = false;
int i = file.value(ID).toInt();
if (id != i) {
LOG("File id has changed" << id << "=>" << i);
id = i;
fileChanged = true;
queueSignal(SignalIdChanged);

9
src/tdlibfile.h
View file

@ -1,5 +1,5 @@
/*
Copyright (C) 2020 Slava Monich at al.
Copyright (C) 2020-2021 Slava Monich at al.
This file is part of Fernschreiber.
@ -45,6 +45,8 @@ class TDLibFile : public QObject
Q_PROPERTY(bool isUploadingActive READ isUploadingActive NOTIFY uploadingActiveChanged)
Q_PROPERTY(bool isUploadingCompleted READ isUploadingCompleted NOTIFY uploadingCompletedChanged)
enum { DownloadHoldOffMs = 1000 };
public:
TDLibFile();
TDLibFile(TDLibWrapper *tdlib);
@ -102,10 +104,14 @@ signals:
private slots:
void handleFileUpdated(int fileId, const QVariantMap &fileInfo);
protected:
void timerEvent(QTimerEvent *event) Q_DECL_OVERRIDE;
private:
void init();
void updateTDLibWrapper(TDLibWrapper* tdlib);
void updateFileInfo(const QVariantMap &fileInfo);
bool downloadFile();
void queueSignal(uint signal);
void emitQueuedSignals();
@ -114,6 +120,7 @@ private:
uint queuedSignals;
uint firstQueuedSignal;
bool autoLoad;
int downloadHoldOffTimer;
// file
QVariantMap infoMap;
int id;