From 453ab0f22cb24e29558e63b703d1fe6546189d73 Mon Sep 17 00:00:00 2001
From: Wojciech Zygmunt Porczyk <wojciech@porczyk.eu>
Date: Thu, 30 Jan 2014 16:30:17 +0100
Subject: [PATCH] qubes.GetImageRGBA for appicons

---
 Makefile                     |  1 +
 qubes-rpc/qubes.GetImageRGBA | 31 +++++++++++++++++++++++++++++++
 rpm_spec/core-vm.spec        |  2 ++
 3 files changed, 34 insertions(+)
 create mode 100644 qubes-rpc/qubes.GetImageRGBA

diff --git a/Makefile b/Makefile
index 553c552..789bb74 100644
--- a/Makefile
+++ b/Makefile
@@ -138,6 +138,7 @@ install-vm:
 	install -m 0644 qubes-rpc/qubes.WaitForSession $(DESTDIR)/etc/qubes-rpc
 	install -m 0644 qubes-rpc/qubes.DetachPciDevice $(DESTDIR)/etc/qubes-rpc
 	install -m 0644 qubes-rpc/qubes.{Backup,Restore} $(DESTDIR)/etc/qubes-rpc
+	install -m 0644 qubes-rpc/qubes.GetImageRGBA $(DESTDIR)/etc/qubes-rpc
 
 	install -d $(DESTDIR)/usr/share/file-manager/actions
 	install -m 0644 qubes-rpc/*-gnome.desktop $(DESTDIR)/usr/share/file-manager/actions
diff --git a/qubes-rpc/qubes.GetImageRGBA b/qubes-rpc/qubes.GetImageRGBA
new file mode 100644
index 0000000..5b3d809
--- /dev/null
+++ b/qubes-rpc/qubes.GetImageRGBA
@@ -0,0 +1,31 @@
+set -e
+read filename
+
+if [[ "${filename}" = xdgicon:* ]]; then
+    # get biggest icon from hicolor theme
+    candidate=$(find /usr/share/icons/hicolor -type f -name "${filename#*:}.png" | xargs ls --sort=size | head -1)
+
+    if [[ ! "$(basename "${candidate}")" = "${filename#*:}.png" ]]; then
+        # file not found, ls returned garbage
+        exit 1
+    fi
+    filename="${candidate}"
+
+elif [[ "${filename}" = "-" ]] || [[ "${filename}" = *":-" ]]; then
+    tmpfile="$(mktemp /tmp/qimg-XXXXXXXX)"
+    cat > "${tmpfile}"
+    if [[ "$filename" = *":-" ]]; then
+        tmpfile="${filename%:*}:${tmpfile}"
+    fi
+    filename="${tmpfile}"
+
+elif ! [[ -r "${filename}" ]]; then
+    exit 1
+fi
+
+identify -format '%w %h' "$filename"
+convert -depth 8 "$filename" rgba:-
+
+[[ -n "${tmpfile}" ]] && rm -f ${tmpfile} || true
+
+# vim: ft=sh ts=4 sw=4 et
diff --git a/rpm_spec/core-vm.spec b/rpm_spec/core-vm.spec
index b68071a..27ff723 100644
--- a/rpm_spec/core-vm.spec
+++ b/rpm_spec/core-vm.spec
@@ -48,6 +48,7 @@ Requires:   net-tools
 Requires:   nautilus-actions
 Requires:   qubes-core-vm-kernel-placeholder
 Requires:   qubes-utils
+Requires:   ImageMagick
 Provides:   qubes-core-vm
 Obsoletes:  qubes-core-commonvm
 Obsoletes:  qubes-core-appvm
@@ -279,6 +280,7 @@ rm -f %{name}-%{version}
 /etc/qubes-rpc/qubes.DetachPciDevice
 /etc/qubes-rpc/qubes.Backup
 /etc/qubes-rpc/qubes.Restore
+/etc/qubes-rpc/qubes.GetImageRGBA
 /etc/sudoers.d/qubes
 %config(noreplace) /etc/sysconfig/iptables
 %config(noreplace) /etc/sysconfig/ip6tables