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https://bitbucket.org/chromiumembedded/cef
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549e8fe05c
- Add new API to retrieve/observe configuration values. - cefclient: Add https://tests/config to inspect configuration values in real time.
82 lines
2.6 KiB
C++
82 lines
2.6 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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#ifndef CEF_LIBCEF_BROWSER_SETTING_HELPER_H_
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#define CEF_LIBCEF_BROWSER_SETTING_HELPER_H_
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#include "base/memory/raw_ptr.h"
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#include "base/observer_list.h"
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#include "cef/include/cef_registration.h"
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#include "components/content_settings/core/browser/content_settings_observer.h"
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class CefSettingObserver;
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class CefRegistration;
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class HostContentSettingsMap;
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namespace setting_helper {
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class Registration : public base::CheckedObserver {
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public:
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virtual void Detach() = 0;
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virtual 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 = 0;
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};
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class RegistrationImpl;
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// Automatically manages the registration of one or more CefSettingObserver
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// objects with a HostContentSettingsMap. When the Registrar is destroyed, all
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// registered observers are automatically unregistered with the
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// HostContentSettingsMap. Loosely based on PrefChangeRegistrar.
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class Registrar final : public content_settings::Observer {
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public:
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Registrar() = default;
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Registrar(const Registrar&) = delete;
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Registrar& operator=(const Registrar&) = delete;
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~Registrar();
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// Must be called before adding or removing observers. Can be called more
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// than once as long as the value of |settings| doesn't change.
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void Init(HostContentSettingsMap* settings);
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// Removes all observers and clears the reference to the
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// HostContentSettingsMap. `Init` must be called before adding or removing any
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// observers.
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void Reset();
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// Removes all observers that have been previously added with a call to Add.
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void RemoveAll();
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// Returns true if no observers are registered.
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bool IsEmpty() const;
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// Adds a setting observer. All registered observers will be automatically
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// unregistered and detached when the Registrar's destructor is called.
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CefRefPtr<CefRegistration> AddObserver(
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CefRefPtr<CefSettingObserver> observer);
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private:
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friend class RegistrationImpl;
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void RemoveObserver(Registration* registration);
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// content_settings::Observer:
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void 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) override;
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raw_ptr<HostContentSettingsMap, AcrossTasksDanglingUntriaged> settings_ =
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nullptr;
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base::ObserverList<Registration> observers_;
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};
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} // namespace setting_helper
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#endif // CEF_LIBCEF_BROWSER_SETTING_HELPER_H_
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