cef/libcef_dll/wrapper/cef_library_loader_mac.mm

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// Copyright (c) 2018 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.
#include "include/wrapper/cef_library_loader.h"
#include <libgen.h>
#include <mach-o/dyld.h>
#include <stdio.h>
#include <memory>
#include <sstream>
namespace {
const char kFrameworkPath[] =
"Chromium Embedded Framework.framework/Chromium Embedded Framework";
const char kPathFromHelperExe[] = "../../..";
const char kPathFromMainExe[] = "../Frameworks";
std::string GetFrameworkPath(bool helper) {
uint32_t exec_path_size = 0;
int rv = _NSGetExecutablePath(NULL, &exec_path_size);
if (rv != -1) {
return std::string();
}
std::unique_ptr<char[]> exec_path(new char[exec_path_size]);
rv = _NSGetExecutablePath(exec_path.get(), &exec_path_size);
if (rv != 0) {
return std::string();
}
// Get the directory path of the executable.
const char* parent_dir = dirname(exec_path.get());
if (!parent_dir) {
return std::string();
}
// Append the relative path to the framework.
std::stringstream ss;
ss << parent_dir << "/" << (helper ? kPathFromHelperExe : kPathFromMainExe)
<< "/" << kFrameworkPath;
return ss.str();
}
} // namespace
CefScopedLibraryLoader::CefScopedLibraryLoader() : loaded_(false) {}
bool CefScopedLibraryLoader::Load(bool helper) {
if (loaded_) {
return false;
}
const std::string& framework_path = GetFrameworkPath(helper);
if (framework_path.empty()) {
fprintf(stderr, "App does not have the expected bundle structure.\n");
return false;
}
// Load the CEF framework library.
if (!cef_load_library(framework_path.c_str())) {
fprintf(stderr, "Failed to load the CEF framework.\n");
return false;
}
loaded_ = true;
return true;
}
CefScopedLibraryLoader::~CefScopedLibraryLoader() {
if (loaded_) {
// Unload the CEF framework library.
cef_unload_library();
}
}