mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2025-06-05 21:39:12 +02:00
549e8fe05c
- Add new API to retrieve/observe configuration values. - cefclient: Add https://tests/config to inspect configuration values in real time.
119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
// Copyright (c) 2025 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 can
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// be found in the LICENSE file.
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#include "cef/libcef/browser/setting_helper.h"
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#include "cef/include/cef_request_context.h"
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#include "cef/libcef/browser/thread_util.h"
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#include "components/content_settings/core/browser/host_content_settings_map.h"
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#include "url/gurl.h"
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namespace setting_helper {
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class RegistrationImpl final : public Registration, public CefRegistration {
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public:
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RegistrationImpl(Registrar* registrar, CefRefPtr<CefSettingObserver> observer)
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: registrar_(registrar), observer_(observer) {
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DCHECK(registrar_);
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DCHECK(observer_);
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}
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RegistrationImpl(const RegistrationImpl&) = delete;
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RegistrationImpl& operator=(const RegistrationImpl&) = delete;
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~RegistrationImpl() override {
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CEF_REQUIRE_UIT();
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if (registrar_) {
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registrar_->RemoveObserver(this);
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}
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}
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void Detach() override {
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registrar_ = nullptr;
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observer_ = nullptr;
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}
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void RunCallback(const CefString& requesting_url,
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const CefString& top_level_url,
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cef_content_setting_types_t content_type) const override {
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observer_->OnSettingChanged(requesting_url, top_level_url, content_type);
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}
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private:
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raw_ptr<Registrar> registrar_;
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CefRefPtr<CefSettingObserver> observer_;
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IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(RegistrationImpl);
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};
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Registrar::~Registrar() {
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RemoveAll();
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}
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void Registrar::Init(HostContentSettingsMap* settings) {
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DCHECK(settings);
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DCHECK(IsEmpty() || settings_ == settings);
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settings_ = settings;
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}
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void Registrar::Reset() {
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RemoveAll();
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settings_ = nullptr;
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}
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void Registrar::RemoveAll() {
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if (!observers_.empty()) {
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settings_->RemoveObserver(this);
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for (auto& registration : observers_) {
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registration.Detach();
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}
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observers_.Clear();
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}
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}
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bool Registrar::IsEmpty() const {
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return observers_.empty();
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}
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CefRefPtr<CefRegistration> Registrar::AddObserver(
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CefRefPtr<CefSettingObserver> observer) {
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CHECK(settings_);
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RegistrationImpl* impl = new RegistrationImpl(this, observer);
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if (observers_.empty()) {
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settings_->AddObserver(this);
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}
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observers_.AddObserver(impl);
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return impl;
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}
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void Registrar::RemoveObserver(Registration* registration) {
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CHECK(settings_);
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observers_.RemoveObserver(registration);
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if (observers_.empty()) {
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settings_->RemoveObserver(this);
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}
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}
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void Registrar::OnContentSettingChanged(
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const ContentSettingsPattern& primary_pattern,
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const ContentSettingsPattern& secondary_pattern,
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ContentSettingsTypeSet content_type_set) {
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DCHECK(!IsEmpty());
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const CefString requesting_url(primary_pattern.ToRepresentativeUrl().spec());
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const CefString top_level_url(secondary_pattern.ToRepresentativeUrl().spec());
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const auto content_type =
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static_cast<cef_content_setting_types_t>(content_type_set.GetType());
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for (Registration& registration : observers_) {
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registration.RunCallback(requesting_url, top_level_url, content_type);
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}
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}
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} // namespace setting_helper
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