linux: add nautilus extension support

Closes haiwen/seafile#1233.

- ci: add nautilus build
- improve client auotconnect handle
- autorefresh overlay icons
- fix memory leaks and bugs
- do clean up and fix crashes after seafile exits

.gitignore

@@ -30,6 +30,7 @@ cscope*
 core
 *.pyc
 .DS_Store
+compile_commands.json
 
 # CMake files goes here
 build/

nautilus-seafile/CMakeLists.txt

@@ -0,0 +1,79 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+
+PROJECT(nautilus-seafile C)
+SET(PROJECT_VERSION "1.0.0")
+INCLUDE(FindPkgConfig)
+
+IF (APPLE OR NOT UNIX)
+    MESSAGE(FATAL_ERROR "Nautilus extension is not supported on your platform")
+ENDIF()
+
+option(BUILD_ENABLE_WARNINGS "Enable compiler warnings." ON)
+
+if(BUILD_ENABLE_WARNINGS)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic -Wall -Wextra -Wsign-compare -Wno-long-long -Wno-unused-parameter")
+  if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unknown-warning-option")
+  endif()
+endif()
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu89")
+set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,defs")
+
+## color diagnostics fix
+if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
+elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
+  execute_process(COMMAND ${CMAKE_C_COMPILER}
+    -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+  if(GCC_VERSION VERSION_GREATER 4.9 OR GCC_VERSION VERSION_EQUAL 4.9)
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-color=always")
+  endif()
+endif()
+
+FIND_PACKAGE(PkgConfig REQUIRED)
+
+PKG_CHECK_MODULES(GLIB2 REQUIRED glib-2.0>=2.15)
+
+PKG_CHECK_MODULES(NAUTILUS REQUIRED libnautilus-extension>=2.0)
+
+PKG_CHECK_MODULES(LIBCCNET REQUIRED libccnet>=1.3)
+
+PKG_CHECK_MODULES(LIBSEARPC REQUIRED libsearpc>=1.0)
+
+PKG_CHECK_MODULES(LIBSEAFILE REQUIRED libseafile>=1.7)
+
+INCLUDE_DIRECTORIES(
+  ${GLIB2_INCLUDE_DIRS}
+  ${NAUTILUS_INCLUDE_DIRS}
+  ${LIBCCNET_INCLUDE_DIRS}
+  ${LIBSEARPC_INCLUDE_DIRS}
+  ${LIBSEAFILE_INCLUDE_DIRS})
+
+LINK_DIRECTORIES(
+  ${GLIB2_LIBRARY_DIRS}
+  ${NAUTILUS_LIBRARY_DIRS}
+  ${LIBCCNET_LIBRARY_DIRS}
+  ${LIBSEARPC_LIBRARY_DIRS}
+  ${LIBSEAFILE_LIBRARY_DIRS})
+
+ADD_LIBRARY(nautilus-seafile SHARED
+  seafile-module.c
+  nautilus-seafile.c
+  nautilus-seafile.h
+  seafile-rpc-client.c
+  seafile-rpc-client.h
+  )
+
+TARGET_LINK_LIBRARIES(nautilus-seafile
+  ${GLIB2_LIBRARIES}
+  ${NAUTILUS_LIBRARIES}
+  ${JANSSON_LIBRARIES}
+  ${LIBCCNET_LIBRARIES}
+  ${LIBSEARPC_LIBRARIES}
+  ${LIBSEAFILE_LIBRARIES})
+
+INSTALL(DIRECTORY
+  ${CMAKE_CURRENT_SOURCE_DIR}/hicolor
+  DESTINATION share/icons
+)

nautilus-seafile/README.md

@@ -0,0 +1,15 @@
+## Nautilus Extension For Seafile
+
+
+## Prerequirement
+
+- libsearpc
+- ccnet
+- seafile
+
+## Installation
+- `sudo apt-get install cmake libnautilus-extension-dev`
+- `./build.sh`
+- copy `libnautilus-seafile.so` to `/usr/lib/nautilus/extensions-3.0/` or `/usr/lib/nautilus/extensions-2.0/` (up to your system)
+- `make install` (or `ninja install`)
+- `nautilus -q`

nautilus-seafile/build.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+NINJA=$(which ninja)
+GENERATOR=Ninja
+WORKER=ninja
+if [ -z $NINJA ]; then
+  GENERATOR="Unix Makefiles"
+  WORKER=make
+fi
+
+set -x
+set -e
+
+CURRENT_PWD="$(dirname "${BASH_SOURCE[0]}")"
+
+if [ "$(uname -s)" != "Linux" ]; then
+  echo "don't run it if you are not using Linux"
+  exit -1
+fi
+
+pushd $CURRENT_PWD
+CONFIG=Debug
+if [ a"$1" != "adebug" ]; then
+  rm -rf CMakeCache.txt CMakeFiles
+  CONFIG=Release
+fi
+cmake -G "$GENERATOR" \
+  -DCMAKE_BUILD_TYPE="$CONFIG" \
+  -DCMAKE_EXPORT_COMPILE_COMMANDS=on
+$WORKER
+popd
+