tdesktop/Telegram/SourceFiles/data/data_photo.cpp

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "data/data_photo.h"
#include "mainwidget.h"
#include "history/history_media_types.h"
#include "auth_session.h"
#include "messenger.h"
PhotoData::PhotoData(const PhotoId &id, const uint64 &access, int32 date, const ImagePtr &thumb, const ImagePtr &medium, const ImagePtr &full)
: id(id)
, access(access)
, date(date)
, thumb(thumb)
, medium(medium)
, full(full) {
}
void PhotoData::automaticLoad(const HistoryItem *item) {
full->automaticLoad(item);
}
void PhotoData::automaticLoadSettingsChanged() {
full->automaticLoadSettingsChanged();
}
void PhotoData::download() {
full->loadEvenCancelled();
notifyLayoutChanged();
}
bool PhotoData::loaded() const {
bool wasLoading = loading();
if (full->loaded()) {
if (wasLoading) {
notifyLayoutChanged();
}
return true;
}
return false;
}
bool PhotoData::loading() const {
return full->loading();
}
bool PhotoData::displayLoading() const {
return full->loading() ? full->displayLoading() : uploading();
}
void PhotoData::cancel() {
full->cancel();
notifyLayoutChanged();
}
void PhotoData::notifyLayoutChanged() const {
auto &items = App::photoItems();
auto i = items.constFind(const_cast<PhotoData*>(this));
if (i != items.cend()) {
for_const (auto item, i.value()) {
Auth().data().markItemLayoutChanged(item);
}
}
}
float64 PhotoData::progress() const {
if (uploading()) {
if (uploadingData->size > 0) {
return float64(uploadingData->offset) / uploadingData->size;
}
return 0;
}
return full->progress();
}
int32 PhotoData::loadOffset() const {
return full->loadOffset();
}
bool PhotoData::uploading() const {
return !!uploadingData;
}
void PhotoData::forget() {
thumb->forget();
replyPreview->forget();
medium->forget();
full->forget();
}
ImagePtr PhotoData::makeReplyPreview() {
if (replyPreview->isNull() && !thumb->isNull()) {
if (thumb->loaded()) {
int w = thumb->width(), h = thumb->height();
if (w <= 0) w = 1;
if (h <= 0) h = 1;
replyPreview = ImagePtr(w > h ? thumb->pix(w * st::msgReplyBarSize.height() / h, st::msgReplyBarSize.height()) : thumb->pix(st::msgReplyBarSize.height()), "PNG");
} else {
thumb->load();
}
}
return replyPreview;
}
void PhotoOpenClickHandler::onClickImpl() const {
Messenger::Instance().showPhoto(this, App::hoveredLinkItem() ? App::hoveredLinkItem() : App::contextItem());
}
void PhotoSaveClickHandler::onClickImpl() const {
auto data = photo();
if (!data->date) return;
data->download();
}
void PhotoCancelClickHandler::onClickImpl() const {
auto data = photo();
if (!data->date) return;
if (data->uploading()) {
if (auto item = App::hoveredLinkItem() ? App::hoveredLinkItem() : (App::contextItem() ? App::contextItem() : nullptr)) {
if (auto media = item->getMedia()) {
if (media->type() == MediaTypePhoto && static_cast<HistoryPhoto*>(media)->photo() == data) {
App::contextItem(item);
App::main()->cancelUploadLayer();
}
}
}
} else {
data->cancel();
}
}