| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/fml/native_library.h" |
| |
| #include <windows.h> |
| |
| #include "flutter/fml/platform/win/wstring_conversion.h" |
| |
| namespace fml { |
| |
| NativeLibrary::NativeLibrary(const char* path) |
| : handle_(nullptr), close_handle_(true) { |
| if (path == nullptr) { |
| return; |
| } |
| |
| handle_ = ::LoadLibrary(Utf8ToWideString(path).c_str()); |
| } |
| |
| NativeLibrary::NativeLibrary(Handle handle, bool close_handle) |
| : handle_(handle), close_handle_(close_handle) {} |
| |
| NativeLibrary::~NativeLibrary() { |
| if (handle_ != nullptr && close_handle_) { |
| ::FreeLibrary(handle_); |
| } |
| } |
| |
| NativeLibrary::Handle NativeLibrary::GetHandle() const { |
| return handle_; |
| } |
| |
| fml::RefPtr<NativeLibrary> NativeLibrary::Create(const char* path) { |
| auto library = fml::AdoptRef(new NativeLibrary(path)); |
| return library->GetHandle() != nullptr ? library : nullptr; |
| } |
| |
| fml::RefPtr<NativeLibrary> NativeLibrary::CreateWithHandle( |
| Handle handle, |
| bool close_handle_when_done) { |
| auto library = |
| fml::AdoptRef(new NativeLibrary(handle, close_handle_when_done)); |
| return library->GetHandle() != nullptr ? library : nullptr; |
| } |
| |
| fml::RefPtr<NativeLibrary> NativeLibrary::CreateForCurrentProcess() { |
| return fml::AdoptRef(new NativeLibrary(::GetModuleHandle(nullptr), false)); |
| } |
| |
| NativeLibrary::SymbolHandle NativeLibrary::Resolve(const char* symbol) const { |
| if (symbol == nullptr || handle_ == nullptr) { |
| return nullptr; |
| } |
| return ::GetProcAddress(handle_, symbol); |
| } |
| |
| } // namespace fml |