From 9cc3fca7d020c300dd71817be9a629a4af106e6f Mon Sep 17 00:00:00 2001
From: reuk <reuk@users.noreply.github.com>
Date: Thu, 2 Jul 2020 17:25:03 +0100
Subject: [PATCH] RangedDirectoryIterator:  Allow querying the estimated
 progress

---
 modules/juce_core/files/juce_RangedDirectoryIterator.cpp | 9 +++++++++
 modules/juce_core/files/juce_RangedDirectoryIterator.h   | 6 ++++++
 2 files changed, 15 insertions(+)

diff --git a/modules/juce_core/files/juce_RangedDirectoryIterator.cpp b/modules/juce_core/files/juce_RangedDirectoryIterator.cpp
index 7841dcdf8a..43eac299ab 100644
--- a/modules/juce_core/files/juce_RangedDirectoryIterator.cpp
+++ b/modules/juce_core/files/juce_RangedDirectoryIterator.cpp
@@ -23,6 +23,14 @@
 namespace juce
 {
 
+float DirectoryEntry::getEstimatedProgress() const
+{
+    if (auto it = iterator.lock())
+        return it->getEstimatedProgress();
+
+    return 0.0f;
+}
+
 JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
 JUCE_BEGIN_IGNORE_WARNINGS_MSVC (4996)
 
@@ -37,6 +45,7 @@ RangedDirectoryIterator::RangedDirectoryIterator (const File& directory,
                                        wildCard,
                                        whatToLookFor))
 {
+    entry.iterator = iterator;
     increment();
 }
 
diff --git a/modules/juce_core/files/juce_RangedDirectoryIterator.h b/modules/juce_core/files/juce_RangedDirectoryIterator.h
index 1995181343..416217f7f6 100644
--- a/modules/juce_core/files/juce_RangedDirectoryIterator.h
+++ b/modules/juce_core/files/juce_RangedDirectoryIterator.h
@@ -53,7 +53,13 @@ public:
     /** True if the item is read-only, false otherwise. */
     bool isReadOnly()           const { return readOnly; }
 
+    /** The estimated proportion of the range that has been visited
+        by the iterator, from 0.0 to 1.0.
+    */
+    float getEstimatedProgress() const;
+
 private:
+    std::weak_ptr<DirectoryIterator> iterator;
     File file;
     Time modTime;
     Time creationTime;