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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_
#define CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_
#include <memory>
#include <optional>
#include <unordered_map>
#include "base/memory/raw_ptr.h"
#include "content/public/browser/document_user_data.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/render_process_host_observer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "third_party/blink/public/mojom/permissions/permission.mojom.h"
#include "url/gurl.h"
namespace blink {
enum class PermissionType;
}
namespace url {
class Origin;
}
namespace content {
class BrowserContext;
class PermissionServiceContextTest;
class RenderFrameHost;
class RenderProcessHost;
// Provides information to a PermissionService. It is used by the
// PermissionServiceImpl to handle request permission UI.
// There is one PermissionServiceContext per RenderFrameHost/RenderProcessHost
// which owns it. It then owns all PermissionServiceImpl associated to their
// owner.
//
// PermissionServiceContext instances associated with a RenderFrameHost must be
// created via the DocumentUserData static factories, as these
// instances are deleted when a new document is committed.
class CONTENT_EXPORT PermissionServiceContext
: public RenderProcessHostObserver {
public:
explicit PermissionServiceContext(RenderProcessHost* render_process_host);
PermissionServiceContext(const PermissionServiceContext&) = delete;
PermissionServiceContext& operator=(const PermissionServiceContext&) = delete;
~PermissionServiceContext() override;
// Return PermissionServiceContext associated with the current document in the
// given RenderFrameHost, lazily creating one, if needed.
static PermissionServiceContext* GetOrCreateForCurrentDocument(
RenderFrameHost* render_frame_host);
// Return PermissionServiceContext associated with the current document.
// Return null if there's no associated one.
static PermissionServiceContext* GetForCurrentDocument(
RenderFrameHost* render_frame_host);
void CreateService(
mojo::PendingReceiver<blink::mojom::PermissionService> receiver);
void CreateServiceForWorker(
const url::Origin& origin,
mojo::PendingReceiver<blink::mojom::PermissionService> receiver);
void CreateSubscription(
const blink::mojom::PermissionDescriptorPtr& permission,
const url::Origin& origin,
PermissionStatus current_status,
PermissionStatus last_known_status,
bool should_include_device_status,
mojo::PendingRemote<blink::mojom::PermissionObserver> observer);
// Called when the connection to a PermissionObserver has an error.
void ObserverHadConnectionError(
PermissionController::SubscriptionId subscription_id);
// May return nullptr during teardown, or when showing an interstitial.
BrowserContext* GetBrowserContext() const;
std::optional<GURL> GetEmbeddingOrigin() const;
RenderFrameHost* render_frame_host() const { return render_frame_host_; }
RenderProcessHost* render_process_host() const {
return render_process_host_;
}
// RenderProcessHostObserver:
void RenderProcessHostDestroyed(RenderProcessHost* host) override;
void StoreStatusAtBFCacheEntry();
void NotifyPermissionStatusChangedIfNeeded();
std::set<blink::PermissionType>& GetOnchangeEventListeners() {
return onchange_event_listeners_;
}
private:
class PermissionSubscription;
struct DocumentPermissionServiceContextHolder;
friend class PermissionServiceContextTest;
// Use DocumentUserData static methods to create instances attached
// to a RenderFrameHost.
explicit PermissionServiceContext(RenderFrameHost* render_frame_host);
const raw_ptr<RenderFrameHost> render_frame_host_;
const raw_ptr<RenderProcessHost> render_process_host_;
mojo::UniqueReceiverSet<blink::mojom::PermissionService> services_;
std::unordered_map<PermissionController::SubscriptionId,
std::unique_ptr<PermissionSubscription>>
subscriptions_;
std::set<blink::PermissionType> onchange_event_listeners_;
};
} // namespace content
#endif // CONTENT_BROWSER_PERMISSIONS_PERMISSION_SERVICE_CONTEXT_H_
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