nautilus: add extension support

Closes haiwen/seafile#1233.

- ci: add nautilus build
- improve client auotconnect handle
- autorefresh overlay icons
- cmake learns how to install and uninstall nautilus-seafile now
- support readonly state
- support locked/locked-by-me state

.gitignore

@@ -30,13 +30,15 @@ cscope*
 core
 *.pyc
 .DS_Store
+compile_commands.json
 
 # CMake files goes here
 build/
 CMakeCache.txt
 CMakeFiles/
 Makefile
 cmake_install.cmake
+cmake_uninstall.cmake
 CTestTestfile.cmake
 Testing/
 install_manifest.txt

nautilus-seafile/CMakeLists.txt

@@ -0,0 +1,110 @@
+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)
+SET(NAUTILUS_EXTENSION_DIR CACHE "Path to Nautilus Extenstion Directory" "")
+
+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 "${CMAKE_C_FLAGS} -std=gnu99")
+set(CMAKE_SHARED_LINKER_FLAGS "${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}
+  ${LIBSEAFILE_LIBRARIES})
+
+## Find libnautilus-extension's directory
+IF ("${NAUTILUS_EXTENSION_DIR}" STREQUAL "")
+  EXECUTE_PROCESS(
+    COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=extensiondir libnautilus-extension
+    OUTPUT_VARIABLE PKGCONFIG_RESULT
+    RESULT_VARIABLE PKGCONFIG_FAILURE)
+
+  IF (PKGCONFIG_FAILURE)
+    SET(NAUTILUS_EXTENSION_DIR "lib/nautilus/extension-1.0")
+  ELSE()
+    STRING(REGEX REPLACE "[\r\n]" " " PKGCONFIG_RESULT "${PKGCONFIG_RESULT}")
+    STRING(REGEX REPLACE " +$"    ""  PKGCONFIG_RESULT "${PKGCONFIG_RESULT}")
+
+    SET(NAUTILUS_EXTENSION_DIR ${PKGCONFIG_RESULT})
+  ENDIF()
+ENDIF()
+
+INSTALL(DIRECTORY
+  ${CMAKE_CURRENT_SOURCE_DIR}/hicolor
+  DESTINATION share/icons
+  )
+
+INSTALL(TARGETS nautilus-seafile
+  DESTINATION ${NAUTILUS_EXTENSION_DIR}
+  )
+
+# uninstall target
+CONFIGURE_FILE(
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+    IMMEDIATE @ONLY)
+
+ADD_CUSTOM_TARGET(uninstall
+    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)

nautilus-seafile/README.md

@@ -0,0 +1,14 @@
+## Nautilus Extension For Seafile
+
+
+## Prerequirement
+
+- libsearpc
+- ccnet
+- seafile
+
+## Installation
+- `sudo apt-get install cmake libnautilus-extension-dev`
+- `./build.sh`
+- `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
+

nautilus-seafile/cmake_uninstall.cmake.in

@@ -0,0 +1,21 @@
+if(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  message(FATAL_ERROR "Cannot find install manifest: @CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+endif(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+foreach(file ${files})
+  message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
+  if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    exec_program(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    if(NOT "${rm_retval}" STREQUAL 0)
+      message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}")
+    endif(NOT "${rm_retval}" STREQUAL 0)
+  else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
+  endif(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+endforeach(file)

nautilus-seafile/import-png.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python2
+
+import os,sys,shutil
+
+if __name__ == '__main__':
+    if len(sys.argv) <= 2:
+        print 'This is a little helper script to copy the pngs file to the correct directory'
+        print 'Usage: %s [directory] [name]' % sys.argv[0]
+        sys.exit(-1)
+    os.chdir(os.path.dirname(__file__))
+    source_dir = os.path.abspath(sys.argv[1])
+    source_name = os.path.splitext(os.path.basename(source_dir))[0]
+    png_files = os.listdir(source_dir)
+    for png_file in png_files:
+        prefix = os.path.splitext(os.path.basename(png_file))[0]
+        target_name = os.path.join('hicolor', prefix, 'emblems')
+        if not os.path.exists(target_name):
+            os.makedirs(target_name)
+        source = os.path.join(source_dir, png_file)
+        target = os.path.join(target_name, sys.argv[2] + '.png')
+        print 'copy %s to %s' % (source, target)
+        shutil.copyfile(source, target)