| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2013 Google Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EXECUTION_CONTEXT_CONTEXT_LIFECYCLE_NOTIFIER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EXECUTION_CONTEXT_CONTEXT_LIFECYCLE_NOTIFIER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/public/mojom/frame/lifecycle.mojom-blink.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/lifecycle_notifier.h" |
| |
| namespace blink { |
| |
| class ContextLifecycleObserver; |
| class ContextLifecycleStateObserver; |
| class ExecutionContext; |
| |
| class CORE_EXPORT ContextLifecycleNotifier |
| : public LifecycleNotifier<ExecutionContext, ContextLifecycleObserver> { |
| public: |
| void NotifyContextLifecycleStateChanged(mojom::FrameLifecycleState state); |
| |
| unsigned ContextLifecycleStateObserverCount() const; |
| |
| #if DCHECK_IS_ON() |
| bool Contains(ContextLifecycleStateObserver*) const; |
| #endif |
| protected: |
| // Need a default constructor to link core and modules separately. |
| // If no default constructor, we will see an error: "constructor for |
| // 'blink::ExecutionContext' must explicitly initialize the base class |
| // 'blink::ContextLifecycleNotifier' which does not have a default |
| // constructor ExecutionContext::ExecutionContext()". |
| ContextLifecycleNotifier() = default; |
| |
| DISALLOW_COPY_AND_ASSIGN(ContextLifecycleNotifier); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EXECUTION_CONTEXT_CONTEXT_LIFECYCLE_NOTIFIER_H_ |