/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef TSFEmptyTextStore_h
#define TSFEmptyTextStore_h
#include "nsIWidget.h"
#include "nsWindow.h"
#include "TSFTextStoreBase.h"
#include "TSFUtils.h"
#include "WinUtils.h"
#include "WritingModes.h"
#include "mozilla/RefPtr.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/TextEventDispatcher.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TextRange.h"
#include "mozilla/widget/IMEData.h"
#include <msctf.h>
#include <textstor.h>
struct ITfThreadMgr;
struct ITfDocumentMgr;
struct ITfDisplayAttributeMgr;
struct ITfCategoryMgr;
class nsWindow;
namespace mozilla::widget {
class TSFEmptyTextStore final :
public TSFTextStoreBase {
friend class TSFStaticSink;
public:
/*IUnknown*/
STDMETHODIMP QueryInterface(REFIID,
void**);
NS_INLINE_DECL_IUNKNOWN_ADDREF_RELEASE(TSFEmptyTextStore);
public:
/*ITextStoreACP*/
STDMETHODIMP QueryInsert(
LONG,
LONG, ULONG,
LONG*,
LONG*);
STDMETHODIMP GetSelection(ULONG, ULONG, TS_SELECTION_ACP*, ULONG*);
STDMETHODIMP SetSelection(ULONG,
const TS_SELECTION_ACP*);
STDMETHODIMP GetText(
LONG,
LONG, WCHAR*, ULONG, ULONG*, TS_RUNINFO*, ULONG,
ULONG*,
LONG*);
STDMETHODIMP SetText(DWORD,
LONG,
LONG,
const WCHAR*, ULONG, TS_TEXTCHANGE*);
STDMETHODIMP RequestSupportedAttrs(DWORD, ULONG,
const TS_ATTRID*);
STDMETHODIMP RequestAttrsAtPosition(
LONG, ULONG,
const TS_ATTRID*, DWORD);
STDMETHODIMP RetrieveRequestedAttrs(ULONG, TS_ATTRVAL*, ULONG*);
STDMETHODIMP GetEndACP(
LONG*);
STDMETHODIMP GetACPFromPoint(TsViewCookie,
const POINT*, DWORD,
LONG*);
STDMETHODIMP GetTextExt(TsViewCookie,
LONG,
LONG, RECT*,
BOOL*);
STDMETHODIMP InsertTextAtSelection(DWORD,
const WCHAR*, ULONG,
LONG*,
LONG*,
TS_TEXTCHANGE*);
public:
[[nodiscard]] IMENotificationRequests GetIMENotificationRequests()
const final;
void Destroy() final;
[[nodiscard]]
static Result<RefPtr<TSFEmptyTextStore>, nsresult>
CreateAndSetFocus(nsWindow* aFocusedWindow,
const InputContext& aContext);
nsresult SetFocusAndUpdateDocumentURLAndBrowsingMode(
nsWindow* aFocusedWindow,
const InputContext& aContext);
protected:
TSFEmptyTextStore();
virtual ~TSFEmptyTextStore();
bool Init(nsWindow* aWidget,
const InputContext& aContext);
void ReleaseTSFObjects();
nsresult SetFocus(nsWindow* aFocusedWindow,
const InputContext& aContext);
// This is called immediately after a call of OnLockGranted() of mSink.
// Note that mLock isn't cleared yet when this is called.
void DidLockGranted() final {
mDeferNotifyingTSF = mDeferNotifyingTSFUntilNextUpdate =
false;
}
};
}
// namespace mozilla::widget
#endif // #ifndef TSFEmptyTextStore_h