cef/libcef/browser/iothread_state.cc

139 lines
4.1 KiB
C++

// Copyright (c) 2015 The Chromium 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 "cef/libcef/browser/iothread_state.h"
#include "base/i18n/case_conversion.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "cef/libcef/browser/thread_util.h"
#include "cef/libcef/common/net/scheme_registration.h"
#include "content/browser/resource_context_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/global_routing_id.h"
#include "url/gurl.h"
#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
#include "cef/libcef/browser/net/scheme_handler.h"
#endif
CefIOThreadState::CefIOThreadState() {
#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
// Using base::Unretained() is safe because both this callback and possible
// deletion of |this| will execute on the IO thread, and this callback will
// be executed first.
CEF_POST_TASK(CEF_IOT, base::BindOnce(&CefIOThreadState::InitOnIOThread,
base::Unretained(this)));
#endif
}
CefIOThreadState::~CefIOThreadState() {
CEF_REQUIRE_IOT();
}
void CefIOThreadState::AddHandler(
const content::GlobalRenderFrameHostId& global_id,
CefRefPtr<CefRequestContextHandler> handler) {
CEF_REQUIRE_IOT();
handler_map_.AddHandler(global_id, handler);
}
void CefIOThreadState::RemoveHandler(
const content::GlobalRenderFrameHostId& global_id) {
CEF_REQUIRE_IOT();
handler_map_.RemoveHandler(global_id);
}
CefRefPtr<CefRequestContextHandler> CefIOThreadState::GetHandler(
const content::GlobalRenderFrameHostId& global_id,
bool require_frame_match) const {
CEF_REQUIRE_IOT();
return handler_map_.GetHandler(global_id, require_frame_match);
}
void CefIOThreadState::RegisterSchemeHandlerFactory(
const std::string& scheme_name,
const std::string& domain_name,
CefRefPtr<CefSchemeHandlerFactory> factory) {
CEF_REQUIRE_IOT();
const std::string& scheme_lower = base::ToLowerASCII(scheme_name);
std::string domain_lower;
// Hostname is only supported for standard schemes.
if (scheme::IsStandardScheme(scheme_lower)) {
// Hostname might contain Unicode characters.
domain_lower =
base::UTF16ToUTF8(base::i18n::ToLower(base::UTF8ToUTF16(domain_name)));
}
const auto key = std::make_pair(scheme_lower, domain_lower);
if (factory) {
// Add or replace the factory.
scheme_handler_factory_map_[key] = factory;
} else {
// Remove the existing factory, if any.
auto it = scheme_handler_factory_map_.find(key);
if (it != scheme_handler_factory_map_.end()) {
scheme_handler_factory_map_.erase(it);
}
}
}
void CefIOThreadState::ClearSchemeHandlerFactories() {
CEF_REQUIRE_IOT();
scheme_handler_factory_map_.clear();
#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
// Restore the default internal handlers.
scheme::RegisterInternalHandlers(this);
#endif
}
CefRefPtr<CefSchemeHandlerFactory> CefIOThreadState::GetSchemeHandlerFactory(
const GURL& url) {
CEF_REQUIRE_IOT();
if (scheme_handler_factory_map_.empty()) {
return nullptr;
}
const std::string& scheme_lower = url.scheme();
const std::string& domain_lower =
url.IsStandard() ? url.host() : std::string();
if (!domain_lower.empty()) {
// Sanity check.
DCHECK(scheme::IsStandardScheme(scheme_lower)) << scheme_lower;
// Try for a match with hostname first.
const auto it = scheme_handler_factory_map_.find(
std::make_pair(scheme_lower, domain_lower));
if (it != scheme_handler_factory_map_.end()) {
return it->second;
}
}
// Try for a match with no specified hostname.
const auto it = scheme_handler_factory_map_.find(
std::make_pair(scheme_lower, std::string()));
if (it != scheme_handler_factory_map_.end()) {
return it->second;
}
return nullptr;
}
#if BUILDFLAG(ENABLE_ALLOY_BOOTSTRAP)
void CefIOThreadState::InitOnIOThread() {
CEF_REQUIRE_IOT();
// Add the default internal handlers.
scheme::RegisterInternalHandlers(this);
}
#endif