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