forked from mirrors/gecko-dev
63254ba67d
I also moved a few protected members and re-ordered the sections to have public, protected, private. Differential Revision: https://phabricator.services.mozilla.com/D153467
133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_extensions_ExtensionBrowser_h
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#define mozilla_extensions_ExtensionBrowser_h
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#include "nsCOMPtr.h"
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#include "nsISupports.h"
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#include "nsTHashMap.h"
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#include "nsWrapperCache.h"
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class nsIGlobalObject;
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namespace mozilla {
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class ErrorResult;
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namespace extensions {
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class ExtensionAlarms;
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class ExtensionMockAPI;
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class ExtensionPort;
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class ExtensionRuntime;
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class ExtensionScripting;
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class ExtensionTest;
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bool ExtensionAPIAllowed(JSContext* aCx, JSObject* aGlobal);
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void CreateAndDispatchInitWorkerContextRunnable();
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already_AddRefed<Runnable> CreateWorkerLoadedRunnable(
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const uint64_t aServiceWorkerDescriptorId,
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const nsCOMPtr<nsIURI>& aWorkerBaseURI);
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already_AddRefed<Runnable> CreateWorkerDestroyedRunnable(
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const uint64_t aServiceWorkerDescriptorId,
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const nsCOMPtr<nsIURI>& aWorkerBaseURI);
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// An HashMap used to keep track of listeners registered synchronously while
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// the worker script is executing, used internally by nsIServiceWorkerManager
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// wakeforExtensionAPIEvent method to resolve to true if the worker script
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// spawned did have a listener subscribed for the related API event name.
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class ExtensionEventWakeupMap final
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: public nsTHashMap<nsStringHashKey, uint64_t> {
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static void ToMapKey(const nsAString& aAPINamespace,
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const nsAString& aAPIName, nsAString& aResultMapKey);
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public:
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nsresult IncrementListeners(const nsAString& aAPINamespace,
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const nsAString& aAPIName);
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nsresult DecrementListeners(const nsAString& aAPINamespace,
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const nsAString& aAPIName);
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bool HasListener(const nsAString& aAPINamespace, const nsAString& aAPIName);
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};
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class ExtensionBrowser final : public nsISupports, public nsWrapperCache {
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public:
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explicit ExtensionBrowser(nsIGlobalObject* aGlobal);
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// Helpers used for the expected behavior of the browser.runtime.lastError
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// and browser.extension.lastError.
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void SetLastError(JS::Handle<JS::Value> aLastError);
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void GetLastError(JS::MutableHandle<JS::Value> aRetVal);
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// ClearLastError is used by ChromeCompatCallbackHandler::RejectedCallback
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// to clear the lastError property. When this method returns true the
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// caller will know that the error value wasn't checked by the callback and
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// should be reported to the console
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bool ClearLastError();
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// Helpers used to keep track of the event listeners added during the
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// initial sync worker script execution.
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nsresult TrackWakeupEventListener(JSContext* aCx,
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const nsString& aAPINamespace,
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const nsString& aAPIName);
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nsresult UntrackWakeupEventListener(JSContext* aCx,
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const nsString& aAPINamespace,
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const nsString& aAPIName);
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bool HasWakeupEventListener(const nsString& aAPINamespace,
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const nsString& aAPIName);
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// Helpers used for the ExtensionPort.
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// Get an ExtensionPort instance given its port descriptor (returns an
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// existing port if an instance is still tracked in the ports lookup table,
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// otherwise it creates a new one).
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already_AddRefed<ExtensionPort> GetPort(
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JS::Handle<JS::Value> aDescriptorValue, ErrorResult& aRv);
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// Remove the entry for an ExtensionPort tracked in the ports lookup map
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// given its portId (called from the ExtensionPort destructor when the
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// instance is being released).
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void ForgetReleasedPort(const nsAString& aPortId);
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// nsWrapperCache interface methods
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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// DOM bindings methods
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nsIGlobalObject* GetParentObject() const;
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ExtensionAlarms* GetExtensionAlarms();
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ExtensionMockAPI* GetExtensionMockAPI();
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ExtensionRuntime* GetExtensionRuntime();
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ExtensionScripting* GetExtensionScripting();
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ExtensionTest* GetExtensionTest();
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ExtensionBrowser)
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private:
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~ExtensionBrowser() = default;
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nsCOMPtr<nsIGlobalObject> mGlobal;
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JS::Heap<JS::Value> mLastError;
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bool mCheckedLastError;
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RefPtr<ExtensionAlarms> mExtensionAlarms;
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RefPtr<ExtensionMockAPI> mExtensionMockAPI;
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RefPtr<ExtensionRuntime> mExtensionRuntime;
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RefPtr<ExtensionScripting> mExtensionScripting;
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RefPtr<ExtensionTest> mExtensionTest;
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nsTHashMap<nsStringHashKey, WeakPtr<ExtensionPort>> mPortsLookup;
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// `[APINamespace].[APIName]` => int64 (listeners count)
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ExtensionEventWakeupMap mExpectedEventWakeupMap;
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};
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} // namespace extensions
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} // namespace mozilla
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#endif // mozilla_extensions_ExtensionBrowser_h
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