15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/*
25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved.
35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without
55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are
65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met:
75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *     * Redistributions of source code must retain the above copyright
95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer.
105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *     * Redistributions in binary form must reproduce the above
115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer
125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the
135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution.
145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *     * Neither the name of Google Inc. nor the names of its
155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from
165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission.
175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */
305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef InspectorHistory_h
325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define InspectorHistory_h
335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
345d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)#include "platform/heap/Handle.h"
3507a852d8c1953036774d8f3b65d18dcfea3bb4a2Ben Murdoch#include "wtf/RefPtr.h"
36e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/Vector.h"
37e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "wtf/text/WTFString.h"
385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
39c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink {
405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
41df95704c49daea886ddad70775bda23618d6274dBen Murdochclass ExceptionState;
425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
435d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)class InspectorHistory FINAL : public NoBaseWillBeGarbageCollected<InspectorHistory> {
445d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    WTF_MAKE_NONCOPYABLE(InspectorHistory);
455d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public:
475d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    class Action : public RefCountedWillBeGarbageCollectedFinalized<Action> {
485d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)        WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    public:
505d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)        explicit Action(const String& name);
515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        virtual ~Action();
525d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)        virtual void trace(Visitor*);
535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        virtual String toString();
545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        virtual String mergeId();
565d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)        virtual void merge(PassRefPtrWillBeRawPtr<Action>);
575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
58df95704c49daea886ddad70775bda23618d6274dBen Murdoch        virtual bool perform(ExceptionState&) = 0;
595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
60df95704c49daea886ddad70775bda23618d6274dBen Murdoch        virtual bool undo(ExceptionState&) = 0;
61df95704c49daea886ddad70775bda23618d6274dBen Murdoch        virtual bool redo(ExceptionState&) = 0;
625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        virtual bool isUndoableStateMark();
645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    private:
655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        String m_name;
665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    };
675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    InspectorHistory();
695d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    void trace(Visitor*);
705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
715d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    bool perform(PassRefPtrWillBeRawPtr<Action>, ExceptionState&);
725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    void markUndoableState();
735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
74df95704c49daea886ddad70775bda23618d6274dBen Murdoch    bool undo(ExceptionState&);
75df95704c49daea886ddad70775bda23618d6274dBen Murdoch    bool redo(ExceptionState&);
765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    void reset();
775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private:
795d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)    WillBeHeapVector<RefPtrWillBeMember<Action> > m_history;
805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    size_t m_afterLastActionIndex;
815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)};
825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
84c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink
855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // !defined(InspectorHistory_h)
87