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# Copyright (c) 2016 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file.
# Download the CEF binary distribution for |platform| and |version| to
# |download_dir|. The |CEF_ROOT| variable will be set in global scope pointing
# to the extracted location.
# Visit https://cef-builds.spotifycdn.com/index.html for the list of
# supported platforms and versions.
function(DownloadCEF platform version download_dir)
# Specify the binary distribution type and download directory.
set(CEF_DISTRIBUTION "cef_binary_${version}_${platform}")
set(CEF_DOWNLOAD_DIR "${download_dir}")
# The location where we expect the extracted binary distribution.
set(CEF_ROOT "${CEF_DOWNLOAD_DIR}/${CEF_DISTRIBUTION}" CACHE INTERNAL "CEF_ROOT")
# Download and/or extract the binary distribution if necessary.
if(NOT IS_DIRECTORY "${CEF_ROOT}")
set(CEF_DOWNLOAD_FILENAME "${CEF_DISTRIBUTION}.tar.bz2")
set(CEF_DOWNLOAD_PATH "${CEF_DOWNLOAD_DIR}/${CEF_DOWNLOAD_FILENAME}")
if(NOT EXISTS "${CEF_DOWNLOAD_PATH}")
set(CEF_DOWNLOAD_URL "https://cef-builds.spotifycdn.com/${CEF_DOWNLOAD_FILENAME}")
string(REPLACE "+" "%2B" CEF_DOWNLOAD_URL_ESCAPED ${CEF_DOWNLOAD_URL})
# Download the SHA1 hash for the binary distribution.
message(STATUS "Downloading ${CEF_DOWNLOAD_PATH}.sha1 from ${CEF_DOWNLOAD_URL_ESCAPED}...")
file(DOWNLOAD "${CEF_DOWNLOAD_URL_ESCAPED}.sha1" "${CEF_DOWNLOAD_PATH}.sha1")
file(READ "${CEF_DOWNLOAD_PATH}.sha1" CEF_SHA1)
# Download the binary distribution and verify the hash.
message(STATUS "Downloading ${CEF_DOWNLOAD_PATH}...")
file(
DOWNLOAD "${CEF_DOWNLOAD_URL_ESCAPED}" "${CEF_DOWNLOAD_PATH}"
EXPECTED_HASH SHA1=${CEF_SHA1}
SHOW_PROGRESS
)
endif()
# Extract the binary distribution.
message(STATUS "Extracting ${CEF_DOWNLOAD_PATH}...")
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xzf "${CEF_DOWNLOAD_DIR}/${CEF_DOWNLOAD_FILENAME}"
WORKING_DIRECTORY ${CEF_DOWNLOAD_DIR}
)
endif()
endfunction()