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31 #ifndef DummyPageHolder_h
32 #define DummyPageHolder_h
34 #include "core/loader/EmptyClients.h"
35 #include "core/page/Page.h"
36 #include "platform/geometry/IntSize.h"
37 #include "platform/heap/Handle.h"
38 #include "wtf/FastAllocBase.h"
39 #include "wtf/Noncopyable.h"
40 #include "wtf/OwnPtr.h"
41 #include "wtf/PassOwnPtr.h"
50 // Creates a dummy Page, LocalFrame, and FrameView whose clients are all no-op.
52 // This class can be used when you write unit tests for components which do not work correctly without renderers.
53 // To make sure the renderers are created, you need to call |frameView().layout()| after you add nodes into
56 // Since DummyPageHolder stores empty clients in it, it must outlive the Page, LocalFrame, FrameView and any other objects
57 // created by it. DummyPageHolder's destructor ensures this condition by checking remaining references to the LocalFrame.
59 class DummyPageHolder {
60 WTF_MAKE_NONCOPYABLE(DummyPageHolder);
61 WTF_MAKE_FAST_ALLOCATED;
63 static PassOwnPtr<DummyPageHolder> create(const IntSize& initialViewSize = IntSize(), Page::PageClients* = 0);
67 LocalFrame& frame() const;
68 FrameView& frameView() const;
69 Document& document() const;
72 explicit DummyPageHolder(const IntSize& initialViewSize, Page::PageClients*);
74 OwnPtrWillBePersistent<Page> m_page;
75 RefPtr<LocalFrame> m_frame;
77 Page::PageClients m_pageClients;
78 EmptyFrameLoaderClient m_frameLoaderClient;
83 #endif // DummyPageHolder_h