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[new downloader] Implementation of Storage::GetUpdateInfo().

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This commit is contained in:
Vladimir Byko-Ianko 2016-03-09 10:40:46 +03:00 • committed by Sergey Yershov
parent a4186abc47
commit 101559e7ab
2 changed files with 24 additions and 1 deletions
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21
storage/storage.cpp
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@ -1418,4 +1418,25 @@ void Storage::RetryDownloadNode(TCountryId const & countryId)
DownloadNode(descendantId);
});
}
bool Storage::GetUpdateInfo(TCountryId const & countryId, UpdateInfo & updateInfo) const
{
auto const updateInfoAccumulator = [&updateInfo, this](TCountryTreeNode const & descendantNode)
{
if (descendantNode.ChildrenCount() != 0 || GetNodeStatus(descendantNode).status != NodeStatus::OnDiskOutOfDate)
return;
updateInfo.m_numberOfMwmFilesToUpdate += 1; // It's not a group mwm.
updateInfo.m_totalUpdateSizeInBytes += descendantNode.Value().GetSubtreeMwmCounter();
};
TCountryTreeNode const * const node = m_countries.FindFirst(countryId);
if (!node)
{
ASSERT(false, ());
return false;
}
updateInfo = UpdateInfo();
node->ForEachInSubtree(updateInfoAccumulator);
return true;
}
} // namespace storage

4
storage/storage.hpp
View file

@ -251,6 +251,8 @@ public:
/// \brief Information for "Update all mwms" button.
struct UpdateInfo
{
UpdateInfo() : m_numberOfMwmFilesToUpdate(0), m_totalUpdateSizeInBytes(0) {}
size_t m_numberOfMwmFilesToUpdate;
size_t m_totalUpdateSizeInBytes;
};
@ -330,7 +332,7 @@ public:
/// \brief Get information for mwm update button.
/// \return true if updateInfo is filled correctly and false otherwise.
bool GetUpdateInfo(TCountryId const & countryId, UpdateInfo & updateInfo) const { return true; }
bool GetUpdateInfo(TCountryId const & countryId, UpdateInfo & updateInfo) const;
/// \brief Calls |toDo| for each node for subtree with |root|.
/// For example ForEachInSubtree(GetRootId()) calls |toDo| for every node including