gen_android_example.cmake.in

# Copyright (C) 2019 HERE Europe B.V.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
# License-Filename: LICENSE

function(gen_android_example_application
        OLP_SDK_EXAMPLE_TARGET_NAME
        OLP_SDK_EXAMPLE_PACKAGE_NAME
        OLP_SDK_EXAMPLE_PACKAGE_JNI_NAME
        OLP_SDK_EXAMPLE_SUCCESS_STRING
        OLP_SDK_EXAMPLE_FAILURE_STRING)
    if(NOT ANDROID)
        message(FATAL_ERROR "Unsupported platform!")
    endif()

    # Copy all the files from android directory except the *.in files
    file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/android/ DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/android)
    file(GLOB_RECURSE EXCLUDED_IN_FILES ${CMAKE_CURRENT_BINARY_DIR}/android/*.in)
    file(REMOVE ${EXCLUDED_IN_FILES})

    # Configure all the variables required to generated gralde project
    set(OLP_SDK_SUCCESSFUL_EXAMPLE_EXECUTION_STRING ${OLP_SDK_EXAMPLE_SUCCESS_STRING})
    set(OLP_SDK_FAILING_EXAMPLE_EXECUTION_STRING ${OLP_SDK_EXAMPLE_FAILURE_STRING})

    set(OLP_SDK_EXAMPLE_ANDROID_ABI "// abiFilters 'arm64-v8a'")
    if (DEFINED ANDROID_ABI)
        set(OLP_SDK_EXAMPLE_ANDROID_ABI "abiFilters '${ANDROID_ABI}'")
    endif()

    set(OLP_SDK_EXAMPLE_ANDROID_TOOLCHAIN_FILE "-DCMAKE_TOOLCHAIN_FILE='path to your toolchain file'")
    if (DEFINED CMAKE_TOOLCHAIN_FILE)
        set(OLP_SDK_EXAMPLE_ANDROID_TOOLCHAIN_FILE "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
    endif()

    set(OLP_SDK_EXAMPLE_HTTP_CLIENT_JAR "-DOLP_SDK_HTTP_CLIENT_JAR='full path to the OlpHttpClient.jar in the <olp-sdk-build-folder>/olp-cpp-sdk-core/ folder'")
    # Try to find the path to the built OlpHttpClient.jar archive
    if (DEFINED olp-cpp-sdk-core_BINARY_DIR)
        set(OLP_SDK_HTTP_CLIENT_PATH ${olp-cpp-sdk-core_BINARY_DIR})
        # User can change the install path of the OlpHttpClient.jar via CMAKE_JAVA_TARGET_OUTPUT_DIR variable
        if (DEFINED CMAKE_JAVA_TARGET_OUTPUT_DIR)
            set(OLP_SDK_HTTP_CLIENT_PATH ${CMAKE_JAVA_TARGET_OUTPUT_DIR})
        endif()
        set(OLP_SDK_EXAMPLE_HTTP_CLIENT_JAR "-DOLP_SDK_HTTP_CLIENT_JAR=${OLP_SDK_HTTP_CLIENT_PATH}/OlpHttpClient.jar")
    endif()


    set(OLP_SDK_EXAMPLE_LEVELDB_DIR "-Dleveldb_DIR='path to the directory which contains LevelDB cmake config files'")
    if (DEFINED leveldb_DIR)
        set(OLP_SDK_EXAMPLE_LEVELDB_DIR "-Dleveldb_DIR=${leveldb_DIR}")
    endif()
	
    if(OLP_SDK_ENABLE_DEFAULT_CACHE_LMDB)
        set(OLP_SDK_EXAMPLE_LMDB_DIR "-Dlmdb_DIR='path to the directory which contains LMDB cmake config files'")
        if (DEFINED lmdb_DIR)
            set(OLP_SDK_EXAMPLE_LMDB_DIR "-Dlmdb_DIR=${lmdb_DIR}")
        endif()
    endif()

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/build.gradle.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/build.gradle
        @ONLY
    )

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/CMakeLists.txt.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/CMakeLists.txt
        @ONLY
    )

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/src/main/AndroidManifest.xml.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/AndroidManifest.xml
        @ONLY
    )

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/src/main/cpp/MainActivityNative.cpp.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/MainActivityNative.cpp
        @ONLY
    )

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/src/main/java/MainActivity.java.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/java/com/here/android/olp/${OLP_SDK_EXAMPLE_PACKAGE_NAME}/MainActivity.java
        @ONLY
    )

    configure_file(
        ${CMAKE_CURRENT_SOURCE_DIR}/android/app/src/main/res/values/strings.xml.in
        ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/res/values/strings.xml
        @ONLY
    )

    # Symlink (or copy - depending on the platform) the *.h / *.cpp files to the gradle fodler
    set(OLP_SDK_EXAMPLE_H_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/Examples.h)
    set(OLP_SDK_EXAMPLE_H_FILE_DST ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/Examples.h)
    set(OLP_SDK_EXAMPLE_READ_H_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/ReadExample.h)
    set(OLP_SDK_EXAMPLE_READ_H_FILE_DST ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/ReadExample.h)
    set(OLP_SDK_EXAMPLE_WRITE_H_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/WriteExample.h)
    set(OLP_SDK_EXAMPLE_WRITE_H_FILE_DST ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/WriteExample.h)
    set(OLP_SDK_EXAMPLE_CPP_WRITE_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/WriteExample.cpp)
    set(OLP_SDK_EXAMPLE_CPP_READ_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/ReadExample.cpp)
    set(OLP_SDK_EXAMPLE_CPP_CACHE_FILE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/ProtectedCacheExample.cpp)
    set(OLP_SDK_EXAMPLE_CPP_WRITE_FILE_DST ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/WriteExample.cpp)
    set(OLP_SDK_EXAMPLE_CPP_READ_FILE_DST ${CMAKE_CURRENT_BINARY_DIR}/android/app/src/main/cpp/ReadExample.cpp)

    if(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS)
        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${OLP_SDK_EXAMPLE_H_FILE_SRC} ${OLP_SDK_EXAMPLE_H_FILE_DST})
        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${OLP_SDK_EXAMPLE_READ_H_FILE_SRC} ${OLP_SDK_EXAMPLE_READ_H_FILE_DST})
        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${OLP_SDK_EXAMPLE_WRITE_H_FILE_SRC} ${OLP_SDK_EXAMPLE_WRITE_H_FILE_DST})
        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${OLP_SDK_EXAMPLE_CPP_WRITE_FILE_SRC} ${OLP_SDK_EXAMPLE_CPP_WRITE_FILE_DST})
        execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${OLP_SDK_EXAMPLE_CPP_READ_FILE_SRC} ${OLP_SDK_EXAMPLE_CPP_READ_FILE_DST})
    else(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS)
        execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${OLP_SDK_EXAMPLE_H_FILE_SRC} ${OLP_SDK_EXAMPLE_H_FILE_DST})
        execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${OLP_SDK_EXAMPLE_READ_H_FILE_SRC} ${OLP_SDK_EXAMPLE_READ_H_FILE_DST})
        execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${OLP_SDK_EXAMPLE_WRITE_H_FILE_SRC} ${OLP_SDK_EXAMPLE_WRITE_H_FILE_DST})
        execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${OLP_SDK_EXAMPLE_CPP_WRITE_FILE_SRC} ${OLP_SDK_EXAMPLE_CPP_WRITE_FILE_DST})
        execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${OLP_SDK_EXAMPLE_CPP_READ_FILE_SRC} ${OLP_SDK_EXAMPLE_CPP_READ_FILE_DST})
    endif(CMAKE_HOST_WIN32 AND NOT CYGWIN AND NOT MSYS)

endfunction()