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Code Issues Releases Wiki Activity

Implement SharedMediaWithLastViewer using rpl.

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This commit is contained in:
John Preston
2017-09-04 22:14:44 +03:00
parent 696478843e
commit 873ccf8096
9 changed files with 605 additions and 516 deletions
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28
Telegram/SourceFiles/mediaview.cpp
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@@ -68,18 +68,15 @@ constexpr auto kIdsPreloadAfter = 28;
} // namespace
struct MediaView::SharedMedia {
SharedMedia(SharedMediaViewerWithLast::Key key)
: key(key)
, slice(key, kIdsLimit, kIdsLimit) {
SharedMedia(SharedMediaWithLastSlice::Key key) : key(key) {
}
SharedMediaViewerWithLast::Key key;
SharedMediaViewerWithLast slice;
SharedMediaWithLastSlice::Key key;
rpl::lifetime lifetime;
};
struct MediaView::UserPhotos {
UserPhotos(UserPhotosSlice::Key key)
: key(key) {
UserPhotos(UserPhotosSlice::Key key) : key(key) {
}
UserPhotosSlice::Key key;
@@ -1044,7 +1041,7 @@ bool MediaView::validSharedMedia() const {
return false;
}
auto countDistanceInData = [](const auto &a, const auto &b) {
return [&](const SharedMediaSliceWithLast &data) {
return [&](const SharedMediaWithLastSlice &data) {
return data.distance(a, b);
};
};
@@ -1063,21 +1060,24 @@ bool MediaView::validSharedMedia() const {
void MediaView::validateSharedMedia() {
if (auto key = sharedMediaKey()) {
_sharedMedia = std::make_unique<SharedMedia>(*key);
subscribe(_sharedMedia->slice.updated, [this](const SharedMediaSliceWithLast &data) {
handleSharedMediaUpdate(data);
});
_sharedMedia->slice.start();
SharedMediaWithLastViewer(
*key,
kIdsLimit,
kIdsLimit
) | rpl::on_next([this](SharedMediaWithLastSlice &&update) {
handleSharedMediaUpdate(std::move(update));
}) | rpl::start(_sharedMedia->lifetime);
} else {
_sharedMedia = nullptr;
_sharedMediaData = base::none;
}
}
void MediaView::handleSharedMediaUpdate(const SharedMediaSliceWithLast &update) {
void MediaView::handleSharedMediaUpdate(SharedMediaWithLastSlice &&update) {
if ((!_photo && !_doc) || !_sharedMedia) {
_sharedMediaData = base::none;
} else {
_sharedMediaData = update;
_sharedMediaData = std::move(update);
}
findCurrent();
updateControls();