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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_PLUGINS_PLUGIN_PREFS_H_
#define CHROME_BROWSER_PLUGINS_PLUGIN_PREFS_H_
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "components/keyed_service/core/refcounted_keyed_service.h"
#include "components/prefs/pref_change_registrar.h"
#include "components/prefs/pref_service.h"
#include "ppapi/buildflags/buildflags.h"
#if !BUILDFLAG(ENABLE_PLUGINS)
#error "Plugins should be enabled"
#endif
class Profile;
namespace content {
struct WebPluginInfo;
}
// This class stores information about whether a plugin or a plugin group is
// enabled or disabled.
// Except where otherwise noted, it can be used on every thread.
class PluginPrefs : public RefcountedKeyedService {
public:
// Returns the instance associated with |profile|, creating it if necessary.
static scoped_refptr<PluginPrefs> GetForProfile(Profile* profile);
// Usually the PluginPrefs associated with a TestingProfile is NULL.
// This method overrides that for a given TestingProfile, returning the newly
// created PluginPrefs object.
static scoped_refptr<PluginPrefs> GetForTestingProfile(Profile* profile);
PluginPrefs(const PluginPrefs&) = delete;
PluginPrefs& operator=(const PluginPrefs&) = delete;
// Creates a new instance. This method should only be used for testing.
PluginPrefs();
// Associates this instance with |prefs|. This enables or disables
// plugin groups as defined by the user's preferences.
// This method should only be called on the UI thread.
void SetPrefs(PrefService* prefs);
// Returns whether the plugin is enabled or not.
bool IsPluginEnabled(const content::WebPluginInfo& plugin) const;
void set_profile(Profile* profile) { profile_ = profile; }
// RefCountedProfileKeyedBase method override.
void ShutdownOnUIThread() override;
private:
friend class base::RefCountedThreadSafe<PluginPrefs>;
friend class PDFIFrameNavigationThrottleTest;
friend class PluginInfoHostImplTest;
friend class PluginPrefsTest;
friend class PrintPreviewDialogControllerBrowserTest;
~PluginPrefs() override;
// Callback for changes to the AlwaysOpenPdfExternally policy.
void UpdatePdfPolicy(const std::string& pref_name);
// Allows unit tests to directly set the AlwaysOpenPdfExternally pref.
void SetAlwaysOpenPdfExternallyForTests(bool always_open_pdf_externally);
bool always_open_pdf_externally_ = false;
raw_ptr<Profile> profile_ = nullptr;
// Weak pointer, owned by the profile.
raw_ptr<PrefService> prefs_ = nullptr;
std::unique_ptr<PrefChangeRegistrar> registrar_;
};
#endif // CHROME_BROWSER_PLUGINS_PLUGIN_PREFS_H_
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