[graphics/krita/krita/6.0] libs/global: [android] Allow copying content URI to temp file

Git commit 5bff73566d25dc26f6398d039b48959d5803dbc2 by Carsten Hartenfels.
Committed on 27/07/2026 at 17:19.
Pushed by hartenfels into branch 'krita/6.0'.

[android] Allow copying content URI to temp file

Since that will be needed for a subsequent commit to support audio in
animations, MLT can't read from content URIs directly.

M  +56   -19   libs/global/KisAndroidUtils.cpp
M  +5    -0    libs/global/KisAndroidUtils.h

https://invent.kde.org/graphics/krita/-/commit/5bff73566d25dc26f6398d039b48959d5803dbc2

diff --git a/libs/global/KisAndroidUtils.cpp b/libs/global/KisAndroidUtils.cpp
index 2856695ca5a..a0b9e89e7f5 100644
--- a/libs/global/KisAndroidUtils.cpp
+++ b/libs/global/KisAndroidUtils.cpp
@@ -6,6 +6,7 @@
 #include <kis_debug.h>
 
 #include <QFile>
+#include <QTemporaryFile>
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include <QJniEnvironment>
@@ -101,26 +102,14 @@ void setFullScreen(bool fullScreen)
     }
 }
 
-bool copyFile(const QString &inputPath, const QString &outputPath, QString *outErrorMessage)
+namespace
+{
+bool copyFileContents(const QString &inputPath,
+                      const QString &outputPath,
+                      QFile &inputFile,
+                      QFile &outputFile,
+                      QString *outErrorMessage)
 {
-    QFile inputFile(inputPath);
-    if (!inputFile.open(QIODevice::ReadOnly)) {
-        if (outErrorMessage) {
-            *outErrorMessage =
-                QStringLiteral("failed to open input file '%1': %2").arg(inputPath).arg(inputFile.errorString());
-        }
-        return false;
-    }
-
-    QFile outputFile(outputPath);
-    if (!outputFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
-        if (outErrorMessage) {
-            *outErrorMessage =
-                QStringLiteral("failed to open output file '%1': %2").arg(outputPath).arg(outputFile.errorString());
-        }
-        return false;
-    }
-
     QByteArray buffer;
     buffer.resize(BUFSIZ);
     while (true) {
@@ -169,5 +158,53 @@ bool copyFile(const QString &inputPath, const QString &outputPath, QString *outE
         }
     }
 }
+} // namespace
+
+bool copyFile(const QString &inputPath, const QString &outputPath, QString *outErrorMessage)
+{
+    QFile inputFile(inputPath);
+    if (!inputFile.open(QIODevice::ReadOnly)) {
+        if (outErrorMessage) {
+            *outErrorMessage =
+                QStringLiteral("failed to open input file '%1': %2").arg(inputPath).arg(inputFile.errorString());
+        }
+        return false;
+    }
+
+    QFile outputFile(outputPath);
+    if (!outputFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
+        if (outErrorMessage) {
+            *outErrorMessage =
+                QStringLiteral("failed to open output file '%1': %2").arg(outputPath).arg(outputFile.errorString());
+        }
+        return false;
+    }
+
+    return copyFileContents(inputPath, outputPath, inputFile, outputFile, outErrorMessage);
+}
+
+bool copyFileToTemporary(const QString &inputPath, QTemporaryFile &outputFile, QString *outErrorMessage)
+{
+    QFile inputFile(inputPath);
+    if (!inputFile.open(QIODevice::ReadOnly)) {
+        if (outErrorMessage) {
+            *outErrorMessage =
+                QStringLiteral("failed to open input file '%1': %2").arg(inputPath).arg(inputFile.errorString());
+        }
+        return false;
+    }
+
+    if (!outputFile.open()) {
+        if (outErrorMessage) {
+            *outErrorMessage = QStringLiteral("failed to open temporary output file: %1").arg(outputFile.errorString());
+        }
+        return false;
+    }
+
+    if (outErrorMessage) {
+        outErrorMessage->clear();
+    }
+    return copyFileContents(inputPath, outputFile.fileName(), inputFile, outputFile, outErrorMessage);
+}
 
 } // namespace KisAndroidUtils
diff --git a/libs/global/KisAndroidUtils.h b/libs/global/KisAndroidUtils.h
index 3bf828877d9..b90f08f4d45 100644
--- a/libs/global/KisAndroidUtils.h
+++ b/libs/global/KisAndroidUtils.h
@@ -7,6 +7,8 @@
 #include <QString>
 #include <kritaglobal_export.h>
 
+class QTemporaryFile;
+
 namespace KisAndroidUtils
 {
 
@@ -40,6 +42,9 @@ KRITAGLOBAL_EXPORT void setFullScreen(bool fullScreen);
 KRITAGLOBAL_EXPORT bool
 copyFile(const QString &inputPath, const QString &outputPath, QString *outErrorMessage = nullptr);
 
+KRITAGLOBAL_EXPORT bool
+copyFileToTemporary(const QString &inputPath, QTemporaryFile &outputFile, QString *outErrorMessage = nullptr);
+
 } // namespace KisAndroidUtils
 
 #endif // __KISANDROIDUTILS_H_