cef/tests/shared/browser/resource_util_win.cc
2020-01-15 16:11:53 +01:00

127 lines
3.5 KiB
C++

// Copyright (c) 2013 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 "tests/shared/browser/resource_util.h"
#include "include/base/cef_logging.h"
#include "include/cef_stream.h"
#include "include/wrapper/cef_byte_read_handler.h"
#include "include/wrapper/cef_stream_resource_handler.h"
namespace client {
namespace {
bool LoadBinaryResource(int binaryId, DWORD& dwSize, LPBYTE& pBytes) {
HINSTANCE hInst = GetModuleHandle(NULL);
HRSRC hRes =
FindResource(hInst, MAKEINTRESOURCE(binaryId), MAKEINTRESOURCE(256));
if (hRes) {
HGLOBAL hGlob = LoadResource(hInst, hRes);
if (hGlob) {
dwSize = SizeofResource(hInst, hRes);
pBytes = (LPBYTE)LockResource(hGlob);
if (dwSize > 0 && pBytes)
return true;
}
}
return false;
}
// Provider of binary resources.
class BinaryResourceProvider : public CefResourceManager::Provider {
public:
BinaryResourceProvider(const std::string& url_path,
const std::string& resource_path_prefix)
: url_path_(url_path), resource_path_prefix_(resource_path_prefix) {
DCHECK(!url_path.empty());
if (!resource_path_prefix_.empty() &&
resource_path_prefix_[resource_path_prefix_.length() - 1] != '/') {
resource_path_prefix_ += "/";
}
}
bool OnRequest(scoped_refptr<CefResourceManager::Request> request) OVERRIDE {
CEF_REQUIRE_IO_THREAD();
const std::string& url = request->url();
if (url.find(url_path_) != 0L) {
// Not handled by this provider.
return false;
}
CefRefPtr<CefResourceHandler> handler;
std::string relative_path = url.substr(url_path_.length());
if (!relative_path.empty()) {
if (!resource_path_prefix_.empty())
relative_path = resource_path_prefix_ + relative_path;
CefRefPtr<CefStreamReader> stream =
GetBinaryResourceReader(relative_path.data());
if (stream.get()) {
handler = new CefStreamResourceHandler(
request->mime_type_resolver().Run(url), stream);
}
}
request->Continue(handler);
return true;
}
private:
std::string url_path_;
std::string resource_path_prefix_;
DISALLOW_COPY_AND_ASSIGN(BinaryResourceProvider);
};
} // namespace
// Implemented in resource_util_win_idmap.cc.
extern int GetResourceId(const char* resource_name);
bool LoadBinaryResource(const char* resource_name, std::string& resource_data) {
int resource_id = GetResourceId(resource_name);
if (resource_id == 0)
return false;
DWORD dwSize;
LPBYTE pBytes;
if (LoadBinaryResource(resource_id, dwSize, pBytes)) {
resource_data = std::string(reinterpret_cast<char*>(pBytes), dwSize);
return true;
}
NOTREACHED(); // The resource should be found.
return false;
}
CefRefPtr<CefStreamReader> GetBinaryResourceReader(const char* resource_name) {
int resource_id = GetResourceId(resource_name);
if (resource_id == 0)
return nullptr;
DWORD dwSize;
LPBYTE pBytes;
if (LoadBinaryResource(resource_id, dwSize, pBytes)) {
return CefStreamReader::CreateForHandler(
new CefByteReadHandler(pBytes, dwSize, nullptr));
}
NOTREACHED(); // The resource should be found.
return nullptr;
}
CefResourceManager::Provider* CreateBinaryResourceProvider(
const std::string& url_path,
const std::string& resource_path_prefix) {
return new BinaryResourceProvider(url_path, resource_path_prefix);
}
} // namespace client