dom/power/WakeLock.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef mozilla_dom_power_WakeLock_h
michael@0 7 #define mozilla_dom_power_WakeLock_h
michael@0 8
michael@0 9 #include "nsCOMPtr.h"
michael@0 10 #include "nsIDOMEventListener.h"
michael@0 11 #include "nsIObserver.h"
michael@0 12 #include "nsString.h"
michael@0 13 #include "nsWeakReference.h"
michael@0 14 #include "nsWrapperCache.h"
michael@0 15 #include "mozilla/ErrorResult.h"
michael@0 16
michael@0 17 class nsIDOMWindow;
michael@0 18
michael@0 19 namespace mozilla {
michael@0 20 namespace dom {
michael@0 21
michael@0 22 class ContentParent;
michael@0 23
michael@0 24 class WakeLock MOZ_FINAL
michael@0 25 : public nsIDOMEventListener
michael@0 26 , public nsWrapperCache
michael@0 27 , public nsIObserver
michael@0 28 , public nsSupportsWeakReference
michael@0 29 {
michael@0 30 public:
michael@0 31 NS_DECL_NSIDOMEVENTLISTENER
michael@0 32 NS_DECL_NSIOBSERVER
michael@0 33
michael@0 34 NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0 35 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(WakeLock, nsIDOMEventListener)
michael@0 36
michael@0 37 // Note: WakeLock lives for the lifetime of the document in order to avoid
michael@0 38 // exposing GC behavior to pages. This means that
michael@0 39 // |var foo = navigator.requestWakeLock('cpu'); foo = null;|
michael@0 40 // doesn't unlock the 'cpu' resource.
michael@0 41
michael@0 42 WakeLock();
michael@0 43 virtual ~WakeLock();
michael@0 44
michael@0 45 // Initialize this wake lock on behalf of the given window. Null windows are
michael@0 46 // allowed; a lock without an associated window is always considered
michael@0 47 // invisible.
michael@0 48 nsresult Init(const nsAString &aTopic, nsIDOMWindow* aWindow);
michael@0 49
michael@0 50 // Initialize this wake lock on behalf of the given process. If the process
michael@0 51 // dies, the lock is released. A wake lock initialized via this method is
michael@0 52 // always considered visible.
michael@0 53 nsresult Init(const nsAString &aTopic, ContentParent* aContentParent);
michael@0 54
michael@0 55 // WebIDL methods
michael@0 56
michael@0 57 nsISupports* GetParentObject() const;
michael@0 58
michael@0 59 virtual JSObject*
michael@0 60 WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0 61
michael@0 62 void GetTopic(nsAString& aTopic);
michael@0 63
michael@0 64 void Unlock(ErrorResult& aRv);
michael@0 65
michael@0 66 private:
michael@0 67 void DoUnlock();
michael@0 68 void DoLock();
michael@0 69 void AttachEventListener();
michael@0 70 void DetachEventListener();
michael@0 71
michael@0 72 bool mLocked;
michael@0 73 bool mHidden;
michael@0 74
michael@0 75 // The ID of the ContentParent on behalf of whom we acquired this lock, or
michael@0 76 // CONTENT_PROCESS_UNKNOWN_ID if this lock was acquired on behalf of the
michael@0 77 // current process.
michael@0 78 uint64_t mContentParentID;
michael@0 79 nsString mTopic;
michael@0 80
michael@0 81 // window that this was created for. Weak reference.
michael@0 82 nsWeakPtr mWindow;
michael@0 83 };
michael@0 84
michael@0 85 } // namespace dom
michael@0 86 } // namespace mozilla
michael@0 87
michael@0 88 #endif // mozilla_dom_power_WakeLock_h

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