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be80632ef9
We will create several new files in the following patches for IPC and a new subprocess. Several already existed files will be shifted into new build units, we will meet several compile errors because of it. This patch fixes those compile error in advance. MozReview-Commit-ID: 5hd0sNYfBu0 --HG-- extra : rebase_source : 0d85c823e4ead4f09175f2cc83df811b2b4081ec
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=2 sw=2 et tw=78:
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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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*/
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#ifndef InkCollector_h__
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#define InkCollector_h__
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#include <msinkaut.h>
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#include "mozilla/StaticPtr.h"
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#define MOZ_WM_PEN_LEAVES_HOVER_OF_DIGITIZER WM_USER + 0x83
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class InkCollectorEvent final : public _IInkCollectorEvents
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{
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public:
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// IUnknown
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HRESULT __stdcall QueryInterface(REFIID aRiid, void **aObject);
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virtual ULONG STDMETHODCALLTYPE AddRef() { return ++mRefCount; }
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virtual ULONG STDMETHODCALLTYPE Release()
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{
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MOZ_ASSERT(mRefCount);
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if (!--mRefCount) {
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delete this;
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return 0;
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}
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return mRefCount;
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}
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protected:
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// IDispatch
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STDMETHOD(GetTypeInfoCount)(UINT* aInfo) { return E_NOTIMPL; }
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STDMETHOD(GetTypeInfo)(UINT aInfo, LCID aId, ITypeInfo** aTInfo) { return E_NOTIMPL; }
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STDMETHOD(GetIDsOfNames)(REFIID aRiid, LPOLESTR* aStrNames, UINT aNames,
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LCID aId, DISPID* aDispId) { return E_NOTIMPL; }
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STDMETHOD(Invoke)(DISPID aDispIdMember, REFIID aRiid,
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LCID aId, WORD wFlags,
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DISPPARAMS* aDispParams, VARIANT* aVarResult,
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EXCEPINFO* aExcepInfo, UINT* aArgErr);
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// InkCollectorEvent
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void CursorOutOfRange(IInkCursor* aCursor) const;
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bool IsHardProximityTablet(IInkTablet* aTablet) const;
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private:
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uint32_t mRefCount = 0;
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~InkCollectorEvent() = default;
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};
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class InkCollector
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{
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public:
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~InkCollector();
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void Shutdown();
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HWND GetTarget();
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void SetTarget(HWND aTargetWindow);
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void ClearTarget();
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uint16_t GetPointerId(); // 0 shows that there is no existing pen.
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void SetPointerId(uint16_t aPointerId);
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void ClearPointerId();
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static mozilla::StaticAutoPtr<InkCollector> sInkCollector;
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protected:
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void Initialize();
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void OnInitialize();
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void Enable(bool aNewState);
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private:
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RefPtr<IUnknown> mMarshaller;
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RefPtr<IInkCollector> mInkCollector;
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RefPtr<IConnectionPoint> mConnectionPoint;
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RefPtr<InkCollectorEvent> mInkCollectorEvent;
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HWND mTargetWindow = 0;
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DWORD mCookie = 0;
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bool mComInitialized = false;
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bool mEnabled = false;
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// This value holds the previous pointerId of the pen, and is used by the
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// nsWindow when processing a MOZ_WM_PEN_LEAVES_HOVER_OF_DIGITIZER which
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// indicates that a pen leaves the digitizer.
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// TODO: If we move our implementation to window pointer input messages, then
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// we no longer need this value, since the pointerId can be retrieved from the
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// window message, please refer to
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// https://msdn.microsoft.com/en-us/library/windows/desktop/hh454916(v=vs.85).aspx
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// NOTE: The pointerId of a pen shouldn't be 0 on a Windows platform, since 0
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// is reserved of the mouse, please refer to
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms703320(v=vs.85).aspx
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uint16_t mPointerId = 0;
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};
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#endif // InkCollector_h__
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