From e878199be4a74c880acd5d38c33965b47d7630d0 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty@vector35.com>
Date: Thu, 25 Aug 2016 20:42:33 -0400
Subject: Adding APIs for database save/load progress and constant references

---
 filemetadata.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'filemetadata.cpp')

diff --git a/filemetadata.cpp b/filemetadata.cpp
index 51e152bf..b3764167 100644
--- a/filemetadata.cpp
+++ b/filemetadata.cpp
@@ -25,6 +25,19 @@ using namespace Json;
 using namespace std;
 
 
+struct DatabaseProgressCallbackContext
+{
+	std::function<void(size_t, size_t)> func;
+};
+
+
+static void DatabaseProgressCallback(void* ctxt, size_t progress, size_t total)
+{
+	DatabaseProgressCallbackContext* cb = (DatabaseProgressCallbackContext*)ctxt;
+	cb->func(progress, total);
+}
+
+
 char* NavigationHandler::GetCurrentViewCallback(void* ctxt)
 {
 	NavigationHandler* handler = (NavigationHandler*)ctxt;
@@ -246,6 +259,15 @@ bool FileMetadata::CreateDatabase(const string& name, BinaryView* data)
 }
 
 
+bool FileMetadata::CreateDatabase(const string& name, BinaryView* data,
+	const function<void(size_t progress, size_t total)>& progressCallback)
+{
+	DatabaseProgressCallbackContext cb;
+	cb.func = progressCallback;
+	return BNCreateDatabaseWithProgress(data->GetObject(), name.c_str(), &cb, DatabaseProgressCallback);
+}
+
+
 Ref<BinaryView> FileMetadata::OpenExistingDatabase(const string& path)
 {
 	BNBinaryView* data = BNOpenExistingDatabase(m_object, path.c_str());
@@ -255,12 +277,33 @@ Ref<BinaryView> FileMetadata::OpenExistingDatabase(const string& path)
 }
 
 
+Ref<BinaryView> FileMetadata::OpenExistingDatabase(const string& path,
+	const function<void(size_t progress, size_t total)>& progressCallback)
+{
+	DatabaseProgressCallbackContext cb;
+	cb.func = progressCallback;
+	BNBinaryView* data = BNOpenExistingDatabaseWithProgress(m_object, path.c_str(), &cb, DatabaseProgressCallback);
+	if (!data)
+		return nullptr;
+	return new BinaryView(data);
+}
+
+
 bool FileMetadata::SaveAutoSnapshot(BinaryView* data)
 {
 	return BNSaveAutoSnapshot(data->GetObject());
 }
 
 
+bool FileMetadata::SaveAutoSnapshot(BinaryView* data,
+	const function<void(size_t progress, size_t total)>& progressCallback)
+{
+	DatabaseProgressCallbackContext cb;
+	cb.func = progressCallback;
+	return BNSaveAutoSnapshotWithProgress(data->GetObject(), &cb, DatabaseProgressCallback);
+}
+
+
 void FileMetadata::BeginUndoActions()
 {
 	BNBeginUndoActions(m_object);
-- 
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