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gecko/widget/windows/nsTextStore.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#include <olectl.h>
#include <algorithm>
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG /* Allow logging in the release build */
#endif // MOZ_LOGGING
#include "prlog.h"
#include "nscore.h"
#include "nsWindow.h"
#ifdef MOZ_METRO
#include "winrt/MetroWidget.h"
#endif
#include "nsPrintfCString.h"
#include "WinUtils.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEvents.h"
#include "mozilla/WindowsVersion.h"
#define INPUTSCOPE_INIT_GUID
#include "nsTextStore.h"
using namespace mozilla;
using namespace mozilla::widget;
static const char* kPrefNameTSFEnabled = "intl.tsf.enable";
static const char* kPrefNameLayoutChangeInternal =
"intl.tsf.on_layout_change_interval";
static const char* kLegacyPrefNameTSFEnabled = "intl.enable_tsf_support";
#ifdef PR_LOGGING
/**
* TSF related code should log its behavior even on release build especially
* in the interface methods.
*
* In interface methods, use PR_LOG_ALWAYS.
* In internal methods, use PR_LOG_DEBUG for logging normal behavior.
* For logging error, use PR_LOG_ERROR.
*
* When an instance method is called, start with following text:
* "TSF: 0x%p nsFoo::Bar(", the 0x%p should be the "this" of the nsFoo.
* after that, start with:
* "TSF: 0x%p nsFoo::Bar("
* In an internal method, start with following text:
* "TSF: 0x%p nsFoo::Bar("
* When a static method is called, start with following text:
* "TSF: nsFoo::Bar("
*/
PRLogModuleInfo* sTextStoreLog = nullptr;
#endif // #ifdef PR_LOGGING
/******************************************************************/
/* InputScopeImpl */
/******************************************************************/
class InputScopeImpl MOZ_FINAL : public ITfInputScope
{
public:
InputScopeImpl(const nsTArray<InputScope>& aList) :
mRefCnt(1),
mInputScopes(aList)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p InputScopeImpl()", this));
}
STDMETHODIMP_(ULONG) AddRef(void) { return ++mRefCnt; }
STDMETHODIMP_(ULONG) Release(void)
{
--mRefCnt;
if (mRefCnt) {
return mRefCnt;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p InputScopeImpl::Release() final", this));
delete this;
return 0;
}
STDMETHODIMP QueryInterface(REFIID riid, void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITfInputScope == riid) ) {
*ppv = static_cast<ITfInputScope*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
STDMETHODIMP GetInputScopes(InputScope** pprgInputScopes, UINT* pcCount)
{
uint32_t count = (mInputScopes.IsEmpty() ? 1 : mInputScopes.Length());
InputScope* pScope = (InputScope*) CoTaskMemAlloc(sizeof(InputScope) * count);
NS_ENSURE_TRUE(pScope, E_OUTOFMEMORY);
if (mInputScopes.IsEmpty()) {
*pScope = IS_DEFAULT;
*pcCount = 1;
*pprgInputScopes = pScope;
return S_OK;
}
*pcCount = 0;
for (uint32_t idx = 0; idx < count; idx++) {
*(pScope + idx) = mInputScopes[idx];
(*pcCount)++;
}
*pprgInputScopes = pScope;
return S_OK;
}
STDMETHODIMP GetPhrase(BSTR **ppbstrPhrases, UINT *pcCount) { return E_NOTIMPL; }
STDMETHODIMP GetRegularExpression(BSTR *pbstrRegExp) { return E_NOTIMPL; }
STDMETHODIMP GetSRGS(BSTR *pbstrSRGS) { return E_NOTIMPL; }
STDMETHODIMP GetXML(BSTR *pbstrXML) { return E_NOTIMPL; }
private:
DWORD mRefCnt;
nsTArray<InputScope> mInputScopes;
};
/******************************************************************/
/* nsTextStore */
/******************************************************************/
ITfThreadMgr* nsTextStore::sTsfThreadMgr = nullptr;
ITfMessagePump* nsTextStore::sMessagePump = nullptr;
ITfKeystrokeMgr* nsTextStore::sKeystrokeMgr = nullptr;
ITfDisplayAttributeMgr* nsTextStore::sDisplayAttrMgr = nullptr;
ITfCategoryMgr* nsTextStore::sCategoryMgr = nullptr;
ITfDocumentMgr* nsTextStore::sTsfDisabledDocumentMgr = nullptr;
ITfContext* nsTextStore::sTsfDisabledContext = nullptr;
ITfInputProcessorProfiles* nsTextStore::sInputProcessorProfiles = nullptr;
DWORD nsTextStore::sTsfClientId = 0;
nsTextStore* nsTextStore::sTsfTextStore = nullptr;
UINT nsTextStore::sFlushTIPInputMessage = 0;
#define TEXTSTORE_DEFAULT_VIEW (1)
#ifdef PR_LOGGING
static const char*
GetBoolName(bool aBool)
{
return aBool ? "true" : "false";
}
static void
HandleSeparator(nsCString& aDesc)
{
if (!aDesc.IsEmpty()) {
aDesc.AppendLiteral(" | ");
}
}
static const nsCString
GetFindFlagName(DWORD aFindFlag)
{
nsAutoCString description;
if (!aFindFlag) {
description.AppendLiteral("no flags (0)");
return description;
}
if (aFindFlag & TS_ATTR_FIND_BACKWARDS) {
description.AppendLiteral("TS_ATTR_FIND_BACKWARDS");
}
if (aFindFlag & TS_ATTR_FIND_WANT_OFFSET) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_OFFSET");
}
if (aFindFlag & TS_ATTR_FIND_UPDATESTART) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_UPDATESTART");
}
if (aFindFlag & TS_ATTR_FIND_WANT_VALUE) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_VALUE");
}
if (aFindFlag & TS_ATTR_FIND_WANT_END) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_WANT_END");
}
if (aFindFlag & TS_ATTR_FIND_HIDDEN) {
HandleSeparator(description);
description.AppendLiteral("TS_ATTR_FIND_HIDDEN");
}
if (description.IsEmpty()) {
description.AppendLiteral("Unknown (");
description.AppendInt(static_cast<uint32_t>(aFindFlag));
description.AppendLiteral(")");
}
return description;
}
static const char*
GetIMEEnabledName(IMEState::Enabled aIMEEnabled)
{
switch (aIMEEnabled) {
case IMEState::DISABLED:
return "DISABLED";
case IMEState::ENABLED:
return "ENABLED";
case IMEState::PASSWORD:
return "PASSWORD";
case IMEState::PLUGIN:
return "PLUGIN";
default:
return "Invalid";
}
}
static const char*
GetFocusChangeName(InputContextAction::FocusChange aFocusChange)
{
switch (aFocusChange) {
case InputContextAction::FOCUS_NOT_CHANGED:
return "FOCUS_NOT_CHANGED";
case InputContextAction::GOT_FOCUS:
return "GOT_FOCUS";
case InputContextAction::LOST_FOCUS:
return "LOST_FOCUS";
case InputContextAction::MENU_GOT_PSEUDO_FOCUS:
return "MENU_GOT_PSEUDO_FOCUS";
case InputContextAction::MENU_LOST_PSEUDO_FOCUS:
return "MENU_LOST_PSEUDO_FOCUS";
default:
return "Unknown";
}
}
static nsCString
GetCLSIDNameStr(REFCLSID aCLSID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromCLSID(aCLSID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoCString result;
result = NS_ConvertUTF16toUTF8(str);
::CoTaskMemFree(str);
return result;
}
static nsCString
GetGUIDNameStr(REFGUID aGUID)
{
OLECHAR str[40];
int len = ::StringFromGUID2(aGUID, str, ArrayLength(str));
if (!len || !str[0]) {
return EmptyCString();
}
return NS_ConvertUTF16toUTF8(str);
}
static nsCString
GetRIIDNameStr(REFIID aRIID)
{
LPOLESTR str = nullptr;
HRESULT hr = ::StringFromIID(aRIID, &str);
if (FAILED(hr) || !str || !str[0]) {
return EmptyCString();
}
nsAutoString key(L"Interface\\");
key += str;
nsAutoCString result;
wchar_t buf[256];
if (WinUtils::GetRegistryKey(HKEY_CLASSES_ROOT, key.get(), nullptr,
buf, sizeof(buf))) {
result = NS_ConvertUTF16toUTF8(buf);
} else {
result = NS_ConvertUTF16toUTF8(str);
}
::CoTaskMemFree(str);
return result;
}
static const char*
GetCommonReturnValueName(HRESULT aResult)
{
switch (aResult) {
case S_OK:
return "S_OK";
case E_ABORT:
return "E_ABORT";
case E_ACCESSDENIED:
return "E_ACCESSDENIED";
case E_FAIL:
return "E_FAIL";
case E_HANDLE:
return "E_HANDLE";
case E_INVALIDARG:
return "E_INVALIDARG";
case E_NOINTERFACE:
return "E_NOINTERFACE";
case E_NOTIMPL:
return "E_NOTIMPL";
case E_OUTOFMEMORY:
return "E_OUTOFMEMORY";
case E_POINTER:
return "E_POINTER";
case E_UNEXPECTED:
return "E_UNEXPECTED";
default:
return SUCCEEDED(aResult) ? "Succeeded" : "Failed";
}
}
static const char*
GetTextStoreReturnValueName(HRESULT aResult)
{
switch (aResult) {
case TS_E_FORMAT:
return "TS_E_FORMAT";
case TS_E_INVALIDPOINT:
return "TS_E_INVALIDPOINT";
case TS_E_INVALIDPOS:
return "TS_E_INVALIDPOS";
case TS_E_NOINTERFACE:
return "TS_E_NOINTERFACE";
case TS_E_NOLAYOUT:
return "TS_E_NOLAYOUT";
case TS_E_NOLOCK:
return "TS_E_NOLOCK";
case TS_E_NOOBJECT:
return "TS_E_NOOBJECT";
case TS_E_NOSELECTION:
return "TS_E_NOSELECTION";
case TS_E_NOSERVICE:
return "TS_E_NOSERVICE";
case TS_E_READONLY:
return "TS_E_READONLY";
case TS_E_SYNCHRONOUS:
return "TS_E_SYNCHRONOUS";
case TS_S_ASYNC:
return "TS_S_ASYNC";
default:
return GetCommonReturnValueName(aResult);
}
}
static const nsCString
GetSinkMaskNameStr(DWORD aSinkMask)
{
nsAutoCString description;
if (aSinkMask & TS_AS_TEXT_CHANGE) {
description.AppendLiteral("TS_AS_TEXT_CHANGE");
}
if (aSinkMask & TS_AS_SEL_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_SEL_CHANGE");
}
if (aSinkMask & TS_AS_LAYOUT_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_LAYOUT_CHANGE");
}
if (aSinkMask & TS_AS_ATTR_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_ATTR_CHANGE");
}
if (aSinkMask & TS_AS_STATUS_CHANGE) {
HandleSeparator(description);
description.AppendLiteral("TS_AS_STATUS_CHANGE");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetActiveSelEndName(TsActiveSelEnd aSelEnd)
{
return aSelEnd == TS_AE_NONE ? "TS_AE_NONE" :
aSelEnd == TS_AE_START ? "TS_AE_START" :
aSelEnd == TS_AE_END ? "TS_AE_END" : "Unknown";
}
static const nsCString
GetLockFlagNameStr(DWORD aLockFlags)
{
nsAutoCString description;
if ((aLockFlags & TS_LF_READWRITE) == TS_LF_READWRITE) {
description.AppendLiteral("TS_LF_READWRITE");
} else if (aLockFlags & TS_LF_READ) {
description.AppendLiteral("TS_LF_READ");
}
if (aLockFlags & TS_LF_SYNC) {
if (!description.IsEmpty()) {
description.AppendLiteral(" | ");
}
description.AppendLiteral("TS_LF_SYNC");
}
if (description.IsEmpty()) {
description.AppendLiteral("not-specified");
}
return description;
}
static const char*
GetTextRunTypeName(TsRunType aRunType)
{
switch (aRunType) {
case TS_RT_PLAIN:
return "TS_RT_PLAIN";
case TS_RT_HIDDEN:
return "TS_RT_HIDDEN";
case TS_RT_OPAQUE:
return "TS_RT_OPAQUE";
default:
return "Unknown";
}
}
static nsCString
GetColorName(const TF_DA_COLOR &aColor)
{
switch (aColor.type) {
case TF_CT_NONE:
return NS_LITERAL_CSTRING("TF_CT_NONE");
case TF_CT_SYSCOLOR:
return nsPrintfCString("TF_CT_SYSCOLOR, nIndex:0x%08X",
static_cast<int32_t>(aColor.nIndex));
case TF_CT_COLORREF:
return nsPrintfCString("TF_CT_COLORREF, cr:0x%08X",
static_cast<int32_t>(aColor.cr));
break;
default:
return nsPrintfCString("Unknown(%08X)",
static_cast<int32_t>(aColor.type));
}
}
static nsCString
GetLineStyleName(TF_DA_LINESTYLE aLineStyle)
{
switch (aLineStyle) {
case TF_LS_NONE:
return NS_LITERAL_CSTRING("TF_LS_NONE");
case TF_LS_SOLID:
return NS_LITERAL_CSTRING("TF_LS_SOLID");
case TF_LS_DOT:
return NS_LITERAL_CSTRING("TF_LS_DOT");
case TF_LS_DASH:
return NS_LITERAL_CSTRING("TF_LS_DASH");
case TF_LS_SQUIGGLE:
return NS_LITERAL_CSTRING("TF_LS_SQUIGGLE");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aLineStyle));
}
}
}
static nsCString
GetClauseAttrName(TF_DA_ATTR_INFO aAttr)
{
switch (aAttr) {
case TF_ATTR_INPUT:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT");
case TF_ATTR_TARGET_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_CONVERTED");
case TF_ATTR_CONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_CONVERTED");
case TF_ATTR_TARGET_NOTCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_TARGET_NOTCONVERTED");
case TF_ATTR_INPUT_ERROR:
return NS_LITERAL_CSTRING("TF_ATTR_INPUT_ERROR");
case TF_ATTR_FIXEDCONVERTED:
return NS_LITERAL_CSTRING("TF_ATTR_FIXEDCONVERTED");
case TF_ATTR_OTHER:
return NS_LITERAL_CSTRING("TF_ATTR_OTHER");
default: {
return nsPrintfCString("Unknown(%08X)", static_cast<int32_t>(aAttr));
}
}
}
static nsCString
GetDisplayAttrStr(const TF_DISPLAYATTRIBUTE &aDispAttr)
{
nsAutoCString str;
str = "crText:{ ";
str += GetColorName(aDispAttr.crText);
str += " }, crBk:{ ";
str += GetColorName(aDispAttr.crBk);
str += " }, lsStyle: ";
str += GetLineStyleName(aDispAttr.lsStyle);
str += ", fBoldLine: ";
str += GetBoolName(aDispAttr.fBoldLine);
str += ", crLine:{ ";
str += GetColorName(aDispAttr.crLine);
str += " }, bAttr: ";
str += GetClauseAttrName(aDispAttr.bAttr);
return str;
}
#endif // #ifdef PR_LOGGING
nsTextStore::nsTextStore()
: mContent(mComposition, mSelection)
{
mRefCnt = 1;
mEditCookie = 0;
mIPProfileCookie = TF_INVALID_COOKIE;
mSinkMask = 0;
mLock = 0;
mLockQueued = 0;
mTextChange.acpStart = INT32_MAX;
mTextChange.acpOldEnd = mTextChange.acpNewEnd = 0;
mInputScopeDetected = false;
mInputScopeRequested = false;
mIsRecordingActionsWithoutLock = false;
mNotifySelectionChange = false;
mIsIMM_IME = IsIMM_IME(::GetKeyboardLayout(0));
// We hope that 5 or more actions don't occur at once.
mPendingActions.SetCapacity(5);
// On Vista or later, Windows let us know activate IME changed only with
// ITfInputProcessorProfileActivationSink. However, there is no way to get
// it via TSF on XP. (NOTE: ITfLanguageProfileNotifySink works only when
// keyboard layout is changed to different language. So, its behavior is
// different from WM_INPUTLANGCHANGE on WinXP. On WinXP, the message is
// delivered when active IME is changed without language change.)
if (IsVistaOrLater()) {
nsRefPtr<ITfSource> source;
HRESULT hr =
sTsfThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (SUCCEEDED(hr)) {
hr = source->AdviseSink(IID_ITfInputProcessorProfileActivationSink,
static_cast<ITfInputProcessorProfileActivationSink*>(this),
&mIPProfileCookie);
#ifdef PR_LOGGING
if (FAILED(hr) || mIPProfileCookie == TF_INVALID_COOKIE) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore FAILED to install "
"ITfInputProcessorProfileActivationSink (0x%08X)", this, hr));
}
} else {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore FAILED to get ITfSource instance "
"(0x%08X)", this, hr));
#endif // #ifdef PR_LOGGING
}
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::nsTestStore(): instance is created, "
"mIsIMM_IME=%s, mIPProfileCookie=%08X",
this, GetBoolName(mIsIMM_IME), mIPProfileCookie));
}
nsTextStore::~nsTextStore()
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore instance is destroyed, "
"mWidget=0x%p, mDocumentMgr=0x%p, mContext=0x%p, mIPProfileCookie=0x%08X",
this, mWidget.get(), mDocumentMgr.get(), mContext.get(),
mIPProfileCookie));
if (mIPProfileCookie != TF_INVALID_COOKIE) {
if (IsVistaOrLater()) {
nsRefPtr<ITfSource> source;
HRESULT hr =
sTsfThreadMgr->QueryInterface(IID_ITfSource, getter_AddRefs(source));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p ~nsTextStore FAILED to get ITfSource instance "
"(0x%08X)", this, hr));
} else {
hr = source->UnadviseSink(mIPProfileCookie);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p ~nsTextStore FAILED to uninstall "
"ITfInputProcessorProfileActivationSink (0x%08X)",
this, hr));
}
}
} else {
nsRefPtr<ITfSource> source;
HRESULT hr =
sInputProcessorProfiles->QueryInterface(IID_ITfSource,
getter_AddRefs(source));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p ~nsTextStore FAILED to get ITfSource instance "
"(0x%08X)", this, hr));
} else {
hr = source->UnadviseSink(mIPProfileCookie);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p ~nsTextStore FAILED to uninstall "
"ITfLanguageProfileNotifySink (0x%08X)",
this, hr));
}
}
NS_RELEASE(sInputProcessorProfiles);
}
}
mComposition.EnsureLayoutChangeTimerStopped();
}
bool
nsTextStore::Create(nsWindowBase* aWidget)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::Create(aWidget=0x%p)",
this, aWidget));
if (mDocumentMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::Create() FAILED due to already initialized",
this));
return false;
}
// Create document manager
HRESULT hr = sTsfThreadMgr->CreateDocumentMgr(
getter_AddRefs(mDocumentMgr));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::Create() FAILED to create DocumentMgr "
"(0x%08X)", this, hr));
return false;
}
mWidget = aWidget;
// Create context and add it to document manager
hr = mDocumentMgr->CreateContext(sTsfClientId, 0,
static_cast<ITextStoreACP*>(this),
getter_AddRefs(mContext), &mEditCookie);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::Create() FAILED to create the context "
"(0x%08X)", this, hr));
mDocumentMgr = nullptr;
return false;
}
hr = mDocumentMgr->Push(mContext);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::Create() FAILED to push the context (0x%08X)",
this, hr));
// XXX Why don't we use NS_IF_RELEASE() here??
mContext = nullptr;
mDocumentMgr = nullptr;
return false;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::Create() succeeded: "
"mDocumentMgr=0x%p, mContext=0x%p, mEditCookie=0x%08X",
this, mDocumentMgr.get(), mContext.get(), mEditCookie));
return true;
}
bool
nsTextStore::Destroy(void)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::Destroy()", this));
mContent.Clear();
mSelection.MarkDirty();
if (mWidget) {
// When blurred, Tablet Input Panel posts "blur" messages
// and try to insert text when the message is retrieved later.
// But by that time the text store is already destroyed,
// so try to get the message early
MSG msg;
if (WinUtils::PeekMessage(&msg, mWidget->GetWindowHandle(),
sFlushTIPInputMessage, sFlushTIPInputMessage,
PM_REMOVE)) {
::DispatchMessageW(&msg);
}
}
mContext = nullptr;
if (mDocumentMgr) {
mDocumentMgr->Pop(TF_POPF_ALL);
mDocumentMgr = nullptr;
}
mSink = nullptr;
mWidget = nullptr;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::Destroy() succeeded", this));
return true;
}
STDMETHODIMP
nsTextStore::QueryInterface(REFIID riid,
void** ppv)
{
*ppv=nullptr;
if ( (IID_IUnknown == riid) || (IID_ITextStoreACP == riid) ) {
*ppv = static_cast<ITextStoreACP*>(this);
} else if (IID_ITfContextOwnerCompositionSink == riid) {
*ppv = static_cast<ITfContextOwnerCompositionSink*>(this);
} else if (IID_ITfInputProcessorProfileActivationSink == riid) {
*ppv = static_cast<ITfInputProcessorProfileActivationSink*>(this);
}
if (*ppv) {
AddRef();
return S_OK;
}
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::QueryInterface() FAILED, riid=%s",
this, GetRIIDNameStr(riid).get()));
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) nsTextStore::AddRef()
{
return ++mRefCnt;
}
STDMETHODIMP_(ULONG) nsTextStore::Release()
{
--mRefCnt;
if (0 != mRefCnt)
return mRefCnt;
delete this;
return 0;
}
STDMETHODIMP
nsTextStore::AdviseSink(REFIID riid,
IUnknown *punk,
DWORD dwMask)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::AdviseSink(riid=%s, punk=0x%p, dwMask=%s), "
"mSink=0x%p, mSinkMask=%s",
this, GetRIIDNameStr(riid).get(), punk, GetSinkMaskNameStr(dwMask).get(),
mSink.get(), GetSinkMaskNameStr(mSinkMask).get()));
if (!punk) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseSink() FAILED due to the null punk",
this));
return E_UNEXPECTED;
}
if (IID_ITextStoreACPSink != riid) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseSink() FAILED due to "
"unsupported interface", this));
return E_INVALIDARG; // means unsupported interface.
}
if (!mSink) {
// Install sink
punk->QueryInterface(IID_ITextStoreACPSink, getter_AddRefs(mSink));
if (!mSink) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseSink() FAILED due to "
"punk not having the interface", this));
return E_UNEXPECTED;
}
} else {
// If sink is already installed we check to see if they are the same
// Get IUnknown from both sides for comparison
nsRefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
if (comparison1 != comparison2) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_ADVISELIMIT;
}
}
// Update mask either for a new sink or an existing sink
mSinkMask = dwMask;
return S_OK;
}
STDMETHODIMP
nsTextStore::UnadviseSink(IUnknown *punk)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::UnadviseSink(punk=0x%p), mSink=0x%p",
this, punk, mSink.get()));
if (!punk) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseSink() FAILED due to the null punk",
this));
return E_INVALIDARG;
}
if (!mSink) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseSink() FAILED due to "
"any sink not stored", this));
return CONNECT_E_NOCONNECTION;
}
// Get IUnknown from both sides for comparison
nsRefPtr<IUnknown> comparison1, comparison2;
punk->QueryInterface(IID_IUnknown, getter_AddRefs(comparison1));
mSink->QueryInterface(IID_IUnknown, getter_AddRefs(comparison2));
// Unadvise only if sinks are the same
if (comparison1 != comparison2) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseSink() FAILED due to "
"the sink being different from the stored sink", this));
return CONNECT_E_NOCONNECTION;
}
mSink = nullptr;
mSinkMask = 0;
return S_OK;
}
STDMETHODIMP
nsTextStore::RequestLock(DWORD dwLockFlags,
HRESULT *phrSession)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestLock(dwLockFlags=%s, phrSession=0x%p), "
"mLock=%s", this, GetLockFlagNameStr(dwLockFlags).get(), phrSession,
GetLockFlagNameStr(mLock).get()));
if (!mSink) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RequestLock() FAILED due to "
"any sink not stored", this));
return E_FAIL;
}
if (!phrSession) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RequestLock() FAILED due to "
"null phrSession", this));
return E_INVALIDARG;
}
if (!mLock) {
// put on lock
mLock = dwLockFlags & (~TS_LF_SYNC);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p Locking (%s) >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
*phrSession = mSink->OnLockGranted(mLock);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
if (IsReadWriteLocked()) {
FlushPendingActions();
}
while (mLockQueued) {
mLock = mLockQueued;
mLockQueued = 0;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p Locking for the request in the queue (%s) >>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>",
this, GetLockFlagNameStr(mLock).get()));
mSink->OnLockGranted(mLock);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p Unlocked (%s) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<",
this, GetLockFlagNameStr(mLock).get()));
if (IsReadWriteLocked()) {
FlushPendingActions();
}
}
mLock = 0;
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RequestLock() succeeded: *phrSession=%s",
this, GetTextStoreReturnValueName(*phrSession)));
return S_OK;
}
// only time when reentrant lock is allowed is when caller holds a
// read-only lock and is requesting an async write lock
if (IsReadLocked() && !IsReadWriteLocked() && IsReadWriteLock(dwLockFlags) &&
!(dwLockFlags & TS_LF_SYNC)) {
*phrSession = TS_S_ASYNC;
mLockQueued = dwLockFlags & (~TS_LF_SYNC);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestLock() stores the request in the "
"queue, *phrSession=TS_S_ASYNC", this));
return S_OK;
}
// no more locks allowed
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestLock() didn't allow to lock, "
"*phrSession=TS_E_SYNCHRONOUS", this));
*phrSession = TS_E_SYNCHRONOUS;
return E_FAIL;
}
void
nsTextStore::FlushPendingActions()
{
if (!mWidget || mWidget->Destroyed()) {
mPendingActions.Clear();
mContent.Clear();
mNotifySelectionChange = false;
return;
}
bool notifyTSFOfLayoutChange = mContent.NeedToNotifyTSFOfLayoutChange();
mContent.Clear();
nsRefPtr<nsWindowBase> kungFuDeathGrip(mWidget);
for (uint32_t i = 0; i < mPendingActions.Length(); i++) {
PendingAction& action = mPendingActions[i];
switch (action.mType) {
case PendingAction::COMPOSITION_START: {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"flushing COMPOSITION_START={ mSelectionStart=%d, "
"mSelectionLength=%d }",
this, action.mSelectionStart, action.mSelectionLength));
MOZ_ASSERT(mComposition.mLastData.IsEmpty());
// Select composition range so the new composition replaces the range
WidgetSelectionEvent selectionSet(true, NS_SELECTION_SET, mWidget);
mWidget->InitEvent(selectionSet);
selectionSet.mOffset = static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength = static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = false;
mWidget->DispatchWindowEvent(&selectionSet);
if (!selectionSet.mSucceeded) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"FAILED due to NS_SELECTION_SET failure", this));
break;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"dispatching compositionstart event...", this));
WidgetCompositionEvent compositionStart(true, NS_COMPOSITION_START,
mWidget);
mWidget->InitEvent(compositionStart);
mWidget->DispatchWindowEvent(&compositionStart);
if (!mWidget || mWidget->Destroyed()) {
break;
}
mComposition.StartLayoutChangeTimer(this);
break;
}
case PendingAction::COMPOSITION_UPDATE: {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"flushing COMPOSITION_UPDATE={ mData=\"%s\", "
"mRanges.Length()=%d }",
this, NS_ConvertUTF16toUTF8(action.mData).get(),
action.mRanges.Length()));
if (action.mRanges.IsEmpty()) {
TextRange wholeRange;
wholeRange.mStartOffset = 0;
wholeRange.mEndOffset = action.mData.Length();
wholeRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
action.mRanges.AppendElement(wholeRange);
} else {
// Adjust offsets in the ranges for XP linefeed character (only \n).
// XXX Following code is the safest approach. However, it wastes
// a little performance. For ensuring the clauses do not
// overlap each other, we should redesign TextRange later.
for (uint32_t i = 0; i < action.mRanges.Length(); ++i) {
TextRange& range = action.mRanges[i];
TextRange nativeRange = range;
if (nativeRange.mStartOffset > 0) {
nsAutoString preText(
Substring(action.mData, 0, nativeRange.mStartOffset));
preText.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
range.mStartOffset = preText.Length();
}
if (nativeRange.Length() == 0) {
range.mEndOffset = range.mStartOffset;
} else {
nsAutoString clause(
Substring(action.mData,
nativeRange.mStartOffset, nativeRange.Length()));
clause.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
range.mEndOffset = range.mStartOffset + clause.Length();
}
}
}
action.mData.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
if (action.mData != mComposition.mLastData) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"dispatching compositionupdate event...", this));
WidgetCompositionEvent compositionUpdate(true, NS_COMPOSITION_UPDATE,
mWidget);
mWidget->InitEvent(compositionUpdate);
compositionUpdate.data = action.mData;
mComposition.mLastData = compositionUpdate.data;
mWidget->DispatchWindowEvent(&compositionUpdate);
if (!mWidget || mWidget->Destroyed()) {
break;
}
}
MOZ_ASSERT(action.mData == mComposition.mLastData);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"dispatching text event...", this));
WidgetTextEvent textEvent(true, NS_TEXT_TEXT, mWidget);
mWidget->InitEvent(textEvent);
textEvent.theText = mComposition.mLastData;
if (action.mRanges.IsEmpty()) {
TextRange wholeRange;
wholeRange.mStartOffset = 0;
wholeRange.mEndOffset = textEvent.theText.Length();
wholeRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
action.mRanges.AppendElement(wholeRange);
}
textEvent.rangeArray = action.mRanges.Elements();
textEvent.rangeCount = action.mRanges.Length();
mWidget->DispatchWindowEvent(&textEvent);
// Be aware, the mWidget might already have been destroyed.
break;
}
case PendingAction::COMPOSITION_END: {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"flushing COMPOSITION_END={ mData=\"%s\" }",
this, NS_ConvertUTF16toUTF8(action.mData).get()));
mComposition.EnsureLayoutChangeTimerStopped();
action.mData.ReplaceSubstring(NS_LITERAL_STRING("\r\n"),
NS_LITERAL_STRING("\n"));
if (action.mData != mComposition.mLastData) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"dispatching compositionupdate event...", this));
WidgetCompositionEvent compositionUpdate(true, NS_COMPOSITION_UPDATE,
mWidget);
mWidget->InitEvent(compositionUpdate);
compositionUpdate.data = action.mData;
mComposition.mLastData = compositionUpdate.data;
mWidget->DispatchWindowEvent(&compositionUpdate);
if (!mWidget || mWidget->Destroyed()) {
break;
}
}
MOZ_ASSERT(action.mData == mComposition.mLastData);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"dispatching text event...", this));
WidgetTextEvent textEvent(true, NS_TEXT_TEXT, mWidget);
mWidget->InitEvent(textEvent);
textEvent.theText = mComposition.mLastData;
mWidget->DispatchWindowEvent(&textEvent);
if (!mWidget || mWidget->Destroyed()) {
break;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"dispatching compositionend event...", this));
WidgetCompositionEvent compositionEnd(true, NS_COMPOSITION_END,
mWidget);
compositionEnd.data = mComposition.mLastData;
mWidget->InitEvent(compositionEnd);
mWidget->DispatchWindowEvent(&compositionEnd);
if (!mWidget || mWidget->Destroyed()) {
break;
}
mComposition.mLastData.Truncate();
break;
}
case PendingAction::SELECTION_SET: {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions() "
"flushing SELECTION_SET={ mSelectionStart=%d, "
"mSelectionLength=%d, mSelectionReversed=%s }",
this, action.mSelectionStart, action.mSelectionLength,
GetBoolName(action.mSelectionReversed)));
WidgetSelectionEvent selectionSet(true, NS_SELECTION_SET, mWidget);
selectionSet.mOffset =
static_cast<uint32_t>(action.mSelectionStart);
selectionSet.mLength =
static_cast<uint32_t>(action.mSelectionLength);
selectionSet.mReversed = action.mSelectionReversed;
break;
}
default:
MOZ_CRASH("unexpected action type");
}
if (mWidget && !mWidget->Destroyed()) {
continue;
}
mComposition.EnsureLayoutChangeTimerStopped();
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"qutting since the mWidget has gone", this));
break;
}
mPendingActions.Clear();
if (notifyTSFOfLayoutChange && mWidget && !mWidget->Destroyed()) {
if (mSink) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"calling ITextStoreACPSink::OnLayoutChange()...", this));
mSink->OnLayoutChange(TS_LC_CHANGE, TEXTSTORE_DEFAULT_VIEW);
}
// The layout change caused by composition string change should cause
// calling ITfContextOwnerServices::OnLayoutChange() too.
// Actually, MS-IME 2002 (The default Japanese IME of WinXP) needs this.
if (mContext) {
nsRefPtr<ITfContextOwnerServices> service;
mContext->QueryInterface(IID_ITfContextOwnerServices,
getter_AddRefs(service));
if (service) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::FlushPendingActions(), "
"calling ITfContextOwnerServices::OnLayoutChange()...", this));
service->OnLayoutChange();
}
}
}
if (mNotifySelectionChange && mSink && mWidget && !mWidget->Destroyed()) {
mSink->OnSelectionChange();
}
mNotifySelectionChange = false;
}
STDMETHODIMP
nsTextStore::GetStatus(TS_STATUS *pdcs)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetStatus(pdcs=0x%p)", this, pdcs));
if (!pdcs) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetStatus() FAILED due to null pdcs", this));
return E_INVALIDARG;
}
pdcs->dwDynamicFlags = 0;
// we use a "flat" text model for TSF support so no hidden text
pdcs->dwStaticFlags = TS_SS_NOHIDDENTEXT;
return S_OK;
}
STDMETHODIMP
nsTextStore::QueryInsert(LONG acpTestStart,
LONG acpTestEnd,
ULONG cch,
LONG *pacpResultStart,
LONG *pacpResultEnd)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::QueryInsert(acpTestStart=%ld, "
"acpTestEnd=%ld, cch=%lu, pacpResultStart=0x%p, pacpResultEnd=0x%p)",
this, acpTestStart, acpTestEnd, cch, acpTestStart, acpTestEnd));
if (!pacpResultStart || !pacpResultEnd) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::QueryInsert() FAILED due to "
"the null argument", this));
return E_INVALIDARG;
}
if (acpTestStart < 0 || acpTestStart > acpTestEnd) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::QueryInsert() FAILED due to "
"wrong argument", this));
return E_INVALIDARG;
}
// XXX need to adjust to cluster boundary
// Assume we are given good offsets for now
*pacpResultStart = acpTestStart;
*pacpResultEnd = acpTestStart + cch;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::QueryInsert() succeeded: "
"*pacpResultStart=%ld, *pacpResultEnd=%ld)",
this, *pacpResultStart, *pacpResultEnd));
return S_OK;
}
STDMETHODIMP
nsTextStore::GetSelection(ULONG ulIndex,
ULONG ulCount,
TS_SELECTION_ACP *pSelection,
ULONG *pcFetched)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetSelection(ulIndex=%lu, ulCount=%lu, "
"pSelection=0x%p, pcFetched=0x%p)",
this, ulIndex, ulCount, pSelection, pcFetched));
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetSelection() FAILED due to not locked",
this));
return TS_E_NOLOCK;
}
if (!ulCount || !pSelection || !pcFetched) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pcFetched = 0;
if (ulIndex != static_cast<ULONG>(TS_DEFAULT_SELECTION) &&
ulIndex != 0) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetSelection() FAILED due to "
"unsupported selection", this));
return TS_E_NOSELECTION;
}
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetSelection() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
*pSelection = currentSel.ACP();
*pcFetched = 1;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetSelection() succeeded", this));
return S_OK;
}
nsTextStore::Content&
nsTextStore::CurrentContent()
{
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
mContent.Clear();
return mContent;
}
if (!mContent.IsInitialized()) {
MOZ_ASSERT(mWidget && !mWidget->Destroyed());
WidgetQueryContentEvent queryText(true, NS_QUERY_TEXT_CONTENT, mWidget);
queryText.InitForQueryTextContent(0, UINT32_MAX);
mWidget->InitEvent(queryText);
mWidget->DispatchWindowEvent(&queryText);
NS_ENSURE_TRUE(queryText.mSucceeded, mContent);
mContent.Init(queryText.mReply.mString);
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::CurrentContent(): "
"mContent={ mText.Length()=%d }",
this, mContent.Text().Length()));
return mContent;
}
nsTextStore::Selection&
nsTextStore::CurrentSelection()
{
if (mSelection.IsDirty()) {
// If the window has never been available, we should crash since working
// with broken values may make TIP confused.
if (!mWidget || mWidget->Destroyed()) {
MOZ_CRASH();
}
WidgetQueryContentEvent querySelection(true, NS_QUERY_SELECTED_TEXT,
mWidget);
mWidget->InitEvent(querySelection);
mWidget->DispatchWindowEvent(&querySelection);
NS_ENSURE_TRUE(querySelection.mSucceeded, mSelection);
mSelection.SetSelection(querySelection.mReply.mOffset,
querySelection.mReply.mString.Length(),
querySelection.mReply.mReversed);
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::CurrentSelection(): "
"acpStart=%d, acpEnd=%d (length=%d), reverted=%s",
this, mSelection.StartOffset(), mSelection.EndOffset(),
mSelection.Length(),
GetBoolName(mSelection.IsReversed())));
return mSelection;
}
static HRESULT
GetRangeExtent(ITfRange* aRange, LONG* aStart, LONG* aLength)
{
nsRefPtr<ITfRangeACP> rangeACP;
aRange->QueryInterface(IID_ITfRangeACP, getter_AddRefs(rangeACP));
NS_ENSURE_TRUE(rangeACP, E_FAIL);
return rangeACP->GetExtent(aStart, aLength);
}
static uint32_t
GetGeckoSelectionValue(TF_DISPLAYATTRIBUTE &aDisplayAttr)
{
uint32_t result;
switch (aDisplayAttr.bAttr) {
case TF_ATTR_TARGET_CONVERTED:
result = NS_TEXTRANGE_SELECTEDCONVERTEDTEXT;
break;
case TF_ATTR_CONVERTED:
result = NS_TEXTRANGE_CONVERTEDTEXT;
break;
case TF_ATTR_TARGET_NOTCONVERTED:
result = NS_TEXTRANGE_SELECTEDRAWTEXT;
break;
default:
result = NS_TEXTRANGE_RAWINPUT;
break;
}
return result;
}
HRESULT
nsTextStore::GetDisplayAttribute(ITfProperty* aAttrProperty,
ITfRange* aRange,
TF_DISPLAYATTRIBUTE* aResult)
{
NS_ENSURE_TRUE(aAttrProperty, E_FAIL);
NS_ENSURE_TRUE(aRange, E_FAIL);
NS_ENSURE_TRUE(aResult, E_FAIL);
HRESULT hr;
#ifdef PR_LOGGING
if (PR_LOG_TEST(sTextStoreLog, PR_LOG_DEBUG)) {
LONG start = 0, length = 0;
hr = GetRangeExtent(aRange, &start, &length);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::GetDisplayAttribute(): "
"GetDisplayAttribute range=%ld-%ld (hr=%s)",
this, start - mComposition.mStart,
start - mComposition.mStart + length,
GetCommonReturnValueName(hr)));
}
#endif
VARIANT propValue;
::VariantInit(&propValue);
hr = aAttrProperty->GetValue(TfEditCookie(mEditCookie), aRange, &propValue);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() failed", this));
return hr;
}
if (VT_I4 != propValue.vt) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() FAILED due to "
"ITfProperty::GetValue() returns non-VT_I4 value", this));
::VariantClear(&propValue);
return E_FAIL;
}
NS_ENSURE_TRUE(sCategoryMgr, E_FAIL);
GUID guid;
hr = sCategoryMgr->GetGUID(DWORD(propValue.lVal), &guid);
::VariantClear(&propValue);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() FAILED due to "
"ITfCategoryMgr::GetGUID() failed", this));
return hr;
}
NS_ENSURE_TRUE(sDisplayAttrMgr, E_FAIL);
nsRefPtr<ITfDisplayAttributeInfo> info;
hr = sDisplayAttrMgr->GetDisplayAttributeInfo(guid, getter_AddRefs(info),
nullptr);
if (FAILED(hr) || !info) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeMgr::GetDisplayAttributeInfo() failed", this));
return hr;
}
hr = info->GetAttributeInfo(aResult);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() FAILED due to "
"ITfDisplayAttributeInfo::GetAttributeInfo() failed", this));
return hr;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::GetDisplayAttribute() succeeded: "
"Result={ %s }", this, GetDisplayAttrStr(*aResult).get()));
return S_OK;
}
HRESULT
nsTextStore::RestartCompositionIfNecessary(ITfRange* aRangeNew)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary("
"aRangeNew=0x%p), mComposition.mView=0x%p",
this, aRangeNew, mComposition.mView.get()));
if (!mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary() FAILED "
"due to no composition view", this));
return E_FAIL;
}
HRESULT hr;
nsRefPtr<ITfCompositionView> pComposition(mComposition.mView);
nsRefPtr<ITfRange> composingRange(aRangeNew);
if (!composingRange) {
hr = pComposition->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary() FAILED "
"due to pComposition->GetRange() failure", this));
return hr;
}
}
// Get starting offset of the composition
LONG compStart = 0, compLength = 0;
hr = GetRangeExtent(composingRange, &compStart, &compLength);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary(), "
"range=%ld-%ld, mComposition={ mStart=%ld, mString.Length()=%lu }",
this, compStart, compStart + compLength, mComposition.mStart,
mComposition.mString.Length()));
if (mComposition.mStart != compStart ||
mComposition.mString.Length() != (ULONG)compLength) {
// If the queried composition length is different from the length
// of our composition string, OnUpdateComposition is being called
// because a part of the original composition was committed.
// Reflect that by committing existing composition and starting
// a new one. RecordCompositionEndAction() followed by
// RecordCompositionStartAction() will accomplish this automagically.
RecordCompositionEndAction();
RecordCompositionStartAction(pComposition, composingRange, true);
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RestartCompositionIfNecessary() succeeded",
this));
return S_OK;
}
static bool
GetColor(const TF_DA_COLOR &aTSFColor, nscolor &aResult)
{
switch (aTSFColor.type) {
case TF_CT_SYSCOLOR: {
DWORD sysColor = ::GetSysColor(aTSFColor.nIndex);
aResult = NS_RGB(GetRValue(sysColor), GetGValue(sysColor),
GetBValue(sysColor));
return true;
}
case TF_CT_COLORREF:
aResult = NS_RGB(GetRValue(aTSFColor.cr), GetGValue(aTSFColor.cr),
GetBValue(aTSFColor.cr));
return true;
case TF_CT_NONE:
default:
return false;
}
}
static bool
GetLineStyle(TF_DA_LINESTYLE aTSFLineStyle, uint8_t &aTextRangeLineStyle)
{
switch (aTSFLineStyle) {
case TF_LS_NONE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_NONE;
return true;
case TF_LS_SOLID:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_SOLID;
return true;
case TF_LS_DOT:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DOTTED;
return true;
case TF_LS_DASH:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_DASHED;
return true;
case TF_LS_SQUIGGLE:
aTextRangeLineStyle = TextRangeStyle::LINESTYLE_WAVY;
return true;
default:
return false;
}
}
HRESULT
nsTextStore::RecordCompositionUpdateAction()
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
if (!mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() FAILED "
"due to no composition view", this));
return E_FAIL;
}
// Getting display attributes is *really* complicated!
// We first get the context and the property objects to query for
// attributes, but since a big range can have a variety of values for
// the attribute, we have to find out all the ranges that have distinct
// attribute values. Then we query for what the value represents through
// the display attribute manager and translate that to TextRange to be
// sent in NS_TEXT_TEXT
nsRefPtr<ITfProperty> attrPropetry;
HRESULT hr = mContext->GetProperty(GUID_PROP_ATTRIBUTE,
getter_AddRefs(attrPropetry));
if (FAILED(hr) || !attrPropetry) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() FAILED "
"due to mContext->GetProperty() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
nsRefPtr<ITfRange> composingRange;
hr = mComposition.mView->GetRange(getter_AddRefs(composingRange));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() "
"FAILED due to mComposition.mView->GetRange() failure", this));
return hr;
}
nsRefPtr<IEnumTfRanges> enumRanges;
hr = attrPropetry->EnumRanges(TfEditCookie(mEditCookie),
getter_AddRefs(enumRanges), composingRange);
if (FAILED(hr) || !enumRanges) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() FAILED "
"due to attrPropetry->EnumRanges() failure", this));
return FAILED(hr) ? hr : E_FAIL;
}
// First, put the log of content and selection here.
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() FAILED "
"due to CurrentSelection() failure", this));
return E_FAIL;
}
PendingAction* action = GetPendingCompositionUpdate();
action->mData = mComposition.mString;
nsTArray<TextRange>& textRanges = action->mRanges;
// The ranges might already have been initialized already, however, if this
// is called again, that means we need to overwrite the ranges with current
// information.
textRanges.Clear();
TextRange newRange;
// No matter if we have display attribute info or not,
// we always pass in at least one range to NS_TEXT_TEXT
newRange.mStartOffset = 0;
newRange.mEndOffset = action->mData.Length();
newRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
textRanges.AppendElement(newRange);
nsRefPtr<ITfRange> range;
while (S_OK == enumRanges->Next(1, getter_AddRefs(range), nullptr) && range) {
LONG start = 0, length = 0;
if (FAILED(GetRangeExtent(range, &start, &length)))
continue;
TextRange newRange;
newRange.mStartOffset = uint32_t(start - mComposition.mStart);
// The end of the last range in the array is
// always kept at the end of composition
newRange.mEndOffset = mComposition.mString.Length();
TF_DISPLAYATTRIBUTE attr;
hr = GetDisplayAttribute(attrPropetry, range, &attr);
if (FAILED(hr)) {
newRange.mRangeType = NS_TEXTRANGE_RAWINPUT;
} else {
newRange.mRangeType = GetGeckoSelectionValue(attr);
if (GetColor(attr.crText, newRange.mRangeStyle.mForegroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_FOREGROUND_COLOR;
}
if (GetColor(attr.crBk, newRange.mRangeStyle.mBackgroundColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_BACKGROUND_COLOR;
}
if (GetColor(attr.crLine, newRange.mRangeStyle.mUnderlineColor)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_UNDERLINE_COLOR;
}
if (GetLineStyle(attr.lsStyle, newRange.mRangeStyle.mLineStyle)) {
newRange.mRangeStyle.mDefinedStyles |=
TextRangeStyle::DEFINED_LINESTYLE;
newRange.mRangeStyle.mIsBoldLine = attr.fBoldLine != 0;
}
}
TextRange& lastRange = textRanges[textRanges.Length() - 1];
if (lastRange.mStartOffset == newRange.mStartOffset) {
// Replace range if last range is the same as this one
// So that ranges don't overlap and confuse the editor
lastRange = newRange;
} else {
lastRange.mEndOffset = newRange.mStartOffset;
textRanges.AppendElement(newRange);
}
}
// We need to hack for Korean Input System which is Korean standard TIP.
// It sets no change style to IME selection (the selection is always only
// one). So, the composition string looks like normal (or committed) string.
// At this time, current selection range is same as the composition string
// range. Other applications set a wide caret which covers the composition
// string, however, Gecko doesn't support the wide caret drawing now (Gecko
// doesn't support XOR drawing), unfortunately. For now, we should change
// the range style to undefined.
if (!currentSel.IsCollapsed() && textRanges.Length() == 1) {
TextRange& range = textRanges[0];
LONG start = currentSel.MinOffset();
LONG end = currentSel.MaxOffset();
if ((LONG)range.mStartOffset == start - mComposition.mStart &&
(LONG)range.mEndOffset == end - mComposition.mStart &&
range.mRangeStyle.IsNoChangeStyle()) {
range.mRangeStyle.Clear();
// The looks of selected type is better than others.
range.mRangeType = NS_TEXTRANGE_SELECTEDRAWTEXT;
}
}
// The caret position has to be collapsed.
LONG caretPosition = currentSel.MaxOffset();
caretPosition -= mComposition.mStart;
TextRange caretRange;
caretRange.mStartOffset = caretRange.mEndOffset = uint32_t(caretPosition);
caretRange.mRangeType = NS_TEXTRANGE_CARETPOSITION;
textRanges.AppendElement(caretRange);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() "
"succeeded", this));
return S_OK;
}
HRESULT
nsTextStore::SetSelectionInternal(const TS_SELECTION_ACP* pSelection,
bool aDispatchTextEvent)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::SetSelectionInternal(pSelection=%ld-%ld, "
"aDispatchTextEvent=%s), IsComposing()=%s",
this, pSelection->acpStart, pSelection->acpEnd,
GetBoolName(aDispatchTextEvent),
GetBoolName(mComposition.IsComposing())));
MOZ_ASSERT(IsReadWriteLocked());
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelectionInternal() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
if (mComposition.IsComposing()) {
if (aDispatchTextEvent) {
HRESULT hr = RestartCompositionIfNecessary();
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelectionInternal() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
}
if (pSelection->acpStart < mComposition.mStart ||
pSelection->acpEnd > mComposition.EndOffset()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelectionInternal() FAILED due to "
"the selection being out of the composition string", this));
return TS_E_INVALIDPOS;
}
// Emulate selection during compositions
currentSel.SetSelection(*pSelection);
if (aDispatchTextEvent) {
HRESULT hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelectionInternal() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
}
return S_OK;
}
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::SELECTION_SET;
action->mSelectionStart = pSelection->acpStart;
action->mSelectionLength = pSelection->acpEnd - pSelection->acpStart;
action->mSelectionReversed = (pSelection->style.ase == TS_AE_START);
currentSel.SetSelection(*pSelection);
return S_OK;
}
STDMETHODIMP
nsTextStore::SetSelection(ULONG ulCount,
const TS_SELECTION_ACP *pSelection)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::SetSelection(ulCount=%lu)",
this, ulCount));
if (!IsReadWriteLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (ulCount != 1) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelection() FAILED due to "
"trying setting multiple selection", this));
return E_INVALIDARG;
}
if (!pSelection) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
HRESULT hr = SetSelectionInternal(pSelection, true);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetSelection() FAILED due to "
"SetSelectionInternal() failure", this));
} else {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::SetSelection() succeeded", this));
}
return hr;
}
STDMETHODIMP
nsTextStore::GetText(LONG acpStart,
LONG acpEnd,
WCHAR *pchPlain,
ULONG cchPlainReq,
ULONG *pcchPlainOut,
TS_RUNINFO *prgRunInfo,
ULONG ulRunInfoReq,
ULONG *pulRunInfoOut,
LONG *pacpNext)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetText(acpStart=%ld, acpEnd=%ld, pchPlain=0x%p, "
"cchPlainReq=%lu, pcchPlainOut=0x%p, prgRunInfo=0x%p, ulRunInfoReq=%lu, "
"pulRunInfoOut=0x%p, pacpNext=0x%p), mComposition={ mStart=%ld, "
"mString.Length()=%lu IsComposing()=%s }",
this, acpStart, acpEnd, pchPlain, cchPlainReq, pcchPlainOut,
prgRunInfo, ulRunInfoReq, pulRunInfoOut, pacpNext,
mComposition.mStart, mComposition.mString.Length(),
GetBoolName(mComposition.IsComposing())));
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pcchPlainOut || (!pchPlain && !prgRunInfo) ||
!cchPlainReq != !pchPlain || !ulRunInfoReq != !prgRunInfo) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"invalid argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < -1 || (acpEnd != -1 && acpStart > acpEnd)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
// Making sure to null-terminate string just to be on the safe side
*pcchPlainOut = 0;
if (pchPlain && cchPlainReq) *pchPlain = 0;
if (pulRunInfoOut) *pulRunInfoOut = 0;
if (pacpNext) *pacpNext = acpStart;
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = 0;
prgRunInfo->type = TS_RT_PLAIN;
}
Content& currentContent = CurrentContent();
if (!currentContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"CurrentContent() failure", this));
return E_FAIL;
}
if (currentContent.Text().Length() < static_cast<uint32_t>(acpStart)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"acpStart is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
if (acpEnd != -1 &&
currentContent.Text().Length() < static_cast<uint32_t>(acpEnd)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetText() FAILED due to "
"acpEnd is larger offset than the actual text length", this));
return TS_E_INVALIDPOS;
}
uint32_t length = (acpEnd == -1) ?
currentContent.Text().Length() - static_cast<uint32_t>(acpStart) :
static_cast<uint32_t>(acpEnd - acpStart);
if (cchPlainReq && cchPlainReq - 1 < length) {
length = cchPlainReq - 1;
}
if (length) {
if (pchPlain && cchPlainReq) {
const char16_t* startChar =
currentContent.Text().BeginReading() + acpStart;
memcpy(pchPlain, startChar, length * sizeof(*pchPlain));
pchPlain[length] = 0;
*pcchPlainOut = length;
}
if (prgRunInfo && ulRunInfoReq) {
prgRunInfo->uCount = length;
prgRunInfo->type = TS_RT_PLAIN;
if (pulRunInfoOut) *pulRunInfoOut = 1;
}
if (pacpNext) *pacpNext = acpStart + length;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetText() succeeded: pcchPlainOut=0x%p, "
"*prgRunInfo={ uCount=%lu, type=%s }, *pulRunInfoOut=%lu, "
"*pacpNext=%ld)",
this, pcchPlainOut, prgRunInfo ? prgRunInfo->uCount : 0,
prgRunInfo ? GetTextRunTypeName(prgRunInfo->type) : "N/A",
pulRunInfoOut ? pulRunInfoOut : 0, pacpNext ? pacpNext : 0));
return S_OK;
}
STDMETHODIMP
nsTextStore::SetText(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
const WCHAR *pchText,
ULONG cch,
TS_TEXTCHANGE *pChange)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::SetText(dwFlags=%s, acpStart=%ld, acpEnd=%ld, "
"pchText=0x%p \"%s\", cch=%lu, pChange=0x%p), IsComposing()=%s",
this, dwFlags == TS_ST_CORRECTION ? "TS_ST_CORRECTION" :
"not-specified",
acpStart, acpEnd, pchText,
pchText && cch ?
NS_ConvertUTF16toUTF8(pchText, cch).get() : "",
cch, pChange, GetBoolName(mComposition.IsComposing())));
// Per SDK documentation, and since we don't have better
// ways to do this, this method acts as a helper to
// call SetSelection followed by InsertTextAtSelection
if (!IsReadWriteLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetText() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
TS_SELECTION_ACP selection;
selection.acpStart = acpStart;
selection.acpEnd = acpEnd;
selection.style.ase = TS_AE_END;
selection.style.fInterimChar = 0;
// Set selection to desired range
HRESULT hr = SetSelectionInternal(&selection);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetText() FAILED due to "
"SetSelectionInternal() failure", this));
return hr;
}
// Replace just selected text
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::SetText() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::SetText() succeeded: pChange={ "
"acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, pChange ? pChange->acpStart : 0,
pChange ? pChange->acpOldEnd : 0, pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
STDMETHODIMP
nsTextStore::GetFormattedText(LONG acpStart,
LONG acpEnd,
IDataObject **ppDataObject)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetFormattedText() called "
"but not supported (E_NOTIMPL)", this));
// no support for formatted text
return E_NOTIMPL;
}
STDMETHODIMP
nsTextStore::GetEmbedded(LONG acpPos,
REFGUID rguidService,
REFIID riid,
IUnknown **ppunk)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
STDMETHODIMP
nsTextStore::QueryInsertEmbedded(const GUID *pguidService,
const FORMATETC *pFormatEtc,
BOOL *pfInsertable)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::QueryInsertEmbedded() called "
"but not supported, *pfInsertable=FALSE (S_OK)", this));
// embedded objects are not supported
*pfInsertable = FALSE;
return S_OK;
}
STDMETHODIMP
nsTextStore::InsertEmbedded(DWORD dwFlags,
LONG acpStart,
LONG acpEnd,
IDataObject *pDataObject,
TS_TEXTCHANGE *pChange)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::InsertEmbedded() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
void
nsTextStore::SetInputScope(const nsString& aHTMLInputType)
{
mInputScopes.Clear();
if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
return;
}
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html
if (aHTMLInputType.EqualsLiteral("url")) {
mInputScopes.AppendElement(IS_URL);
} else if (aHTMLInputType.EqualsLiteral("search")) {
mInputScopes.AppendElement(IS_SEARCH);
} else if (aHTMLInputType.EqualsLiteral("email")) {
mInputScopes.AppendElement(IS_EMAIL_SMTPEMAILADDRESS);
} else if (aHTMLInputType.EqualsLiteral("password")) {
mInputScopes.AppendElement(IS_PASSWORD);
} else if (aHTMLInputType.EqualsLiteral("datetime") ||
aHTMLInputType.EqualsLiteral("datetime-local")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("date") ||
aHTMLInputType.EqualsLiteral("month") ||
aHTMLInputType.EqualsLiteral("week")) {
mInputScopes.AppendElement(IS_DATE_FULLDATE);
} else if (aHTMLInputType.EqualsLiteral("time")) {
mInputScopes.AppendElement(IS_TIME_FULLTIME);
} else if (aHTMLInputType.EqualsLiteral("tel")) {
mInputScopes.AppendElement(IS_TELEPHONE_FULLTELEPHONENUMBER);
mInputScopes.AppendElement(IS_TELEPHONE_LOCALNUMBER);
} else if (aHTMLInputType.EqualsLiteral("number")) {
mInputScopes.AppendElement(IS_NUMBER);
}
}
HRESULT
nsTextStore::ProcessScopeRequest(DWORD dwFlags,
ULONG cFilterAttrs,
const TS_ATTRID *paFilterAttrs)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::ProcessScopeRequest() called "
"cFilterAttrs=%d dwFlags=%s", this, cFilterAttrs,
GetFindFlagName(dwFlags).get()));
// This is a little weird! RequestSupportedAttrs gives us advanced notice
// of a support query via RetrieveRequestedAttrs for a specific attribute.
// RetrieveRequestedAttrs needs to return valid data for all attributes we
// support, but the text service will only want the input scope object
// returned in RetrieveRequestedAttrs if the dwFlags passed in here contains
// TS_ATTR_FIND_WANT_VALUE.
mInputScopeDetected = mInputScopeRequested = false;
// Currently we only support GUID_PROP_INPUTSCOPE
for (uint32_t idx = 0; idx < cFilterAttrs; ++idx) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::ProcessScopeRequest() "
"requested attr=%s", this, GetCLSIDNameStr(paFilterAttrs[idx]).get()));
if (IsEqualGUID(paFilterAttrs[idx], GUID_PROP_INPUTSCOPE)) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::ProcessScopeRequest() "
"GUID_PROP_INPUTSCOPE queried", this));
mInputScopeDetected = true;
if (dwFlags & TS_ATTR_FIND_WANT_VALUE) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::ProcessScopeRequest() "
"TS_ATTR_FIND_WANT_VALUE specified", this));
mInputScopeRequested = true;
}
break;
}
}
return S_OK;
}
STDMETHODIMP
nsTextStore::RequestSupportedAttrs(DWORD dwFlags,
ULONG cFilterAttrs,
const TS_ATTRID *paFilterAttrs)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestSupportedAttrs() called "
"cFilterAttrs=%d dwFlags=%s", this, cFilterAttrs,
GetFindFlagName(dwFlags).get()));
return ProcessScopeRequest(dwFlags, cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
nsTextStore::RequestAttrsAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID *paFilterAttrs,
DWORD dwFlags)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestAttrsAtPosition() called "
"acpPos=%d cFilterAttrs=%d dwFlags=%s", this, acpPos, cFilterAttrs,
GetFindFlagName(dwFlags).get()));
return ProcessScopeRequest(dwFlags | TS_ATTR_FIND_WANT_VALUE,
cFilterAttrs, paFilterAttrs);
}
STDMETHODIMP
nsTextStore::RequestAttrsTransitioningAtPosition(LONG acpPos,
ULONG cFilterAttrs,
const TS_ATTRID *paFilterAttr,
DWORD dwFlags)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RequestAttrsTransitioningAtPosition() called "
"but not supported (S_OK)", this));
// no per character attributes defined
return S_OK;
}
STDMETHODIMP
nsTextStore::FindNextAttrTransition(LONG acpStart,
LONG acpHalt,
ULONG cFilterAttrs,
const TS_ATTRID *paFilterAttrs,
DWORD dwFlags,
LONG *pacpNext,
BOOL *pfFound,
LONG *plFoundOffset)
{
if (!pacpNext || !pfFound || !plFoundOffset) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::FindNextAttrTransition() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::FindNextAttrTransition() called "
"but not supported (S_OK)", this));
// no per character attributes defined
*pacpNext = *plFoundOffset = acpHalt;
*pfFound = FALSE;
return S_OK;
}
STDMETHODIMP
nsTextStore::RetrieveRequestedAttrs(ULONG ulCount,
TS_ATTRVAL *paAttrVals,
ULONG *pcFetched)
{
if (!pcFetched || !ulCount || !paAttrVals) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RetrieveRequestedAttrs() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RetrieveRequestedAttrs() called "
"ulCount=%d", this, ulCount));
if (mInputScopeDetected || mInputScopeRequested) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RetrieveRequestedAttrs() for "
"GUID_PROP_INPUTSCOPE: "
"mInputScopeDetected=%s mInputScopeRequested=%s",
this, GetBoolName(mInputScopeDetected),
GetBoolName(mInputScopeRequested)));
paAttrVals->idAttr = GUID_PROP_INPUTSCOPE;
paAttrVals->dwOverlapId = 0;
paAttrVals->varValue.vt = VT_EMPTY;
*pcFetched = 1;
if (mInputScopeRequested) {
paAttrVals->varValue.vt = VT_UNKNOWN;
paAttrVals->varValue.punkVal = (IUnknown*) new InputScopeImpl(mInputScopes);
}
mInputScopeDetected = mInputScopeRequested = false;
return S_OK;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RetrieveRequestedAttrs() called "
"for unknown TS_ATTRVAL, *pcFetched=0 (S_OK)", this));
paAttrVals->dwOverlapId = 0;
paAttrVals->varValue.vt = VT_EMPTY;
*pcFetched = 0;
return S_OK;
}
STDMETHODIMP
nsTextStore::GetEndACP(LONG *pacp)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetEndACP(pacp=0x%p)", this, pacp));
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetEndACP() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacp) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetEndACP() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
Content& currentContent = CurrentContent();
if (!currentContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetEndACP() FAILED due to "
"CurrentContent() failure", this));
return E_FAIL;
}
*pacp = static_cast<LONG>(currentContent.Text().Length());
return S_OK;
}
STDMETHODIMP
nsTextStore::GetActiveView(TsViewCookie *pvcView)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetActiveView(pvcView=0x%p)", this, pvcView));
if (!pvcView) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetActiveView() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*pvcView = TEXTSTORE_DEFAULT_VIEW;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetActiveView() succeeded: *pvcView=%ld",
this, *pvcView));
return S_OK;
}
STDMETHODIMP
nsTextStore::GetACPFromPoint(TsViewCookie vcView,
const POINT *pt,
DWORD dwFlags,
LONG *pacp)
{
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetACPFromPoint() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetACPFromPoint() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (mContent.IsLayoutChanged()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetACPFromPoint() FAILED due to "
"layout not recomputed", this));
mContent.NeedsToNotifyTSFOfLayoutChange();
return TS_E_NOLAYOUT;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetACPFromPoint(vcView=%ld, "
"pt(0x%p)={ x=%ld, y=%ld }, dwFlags=%s, pacp=0x%p) called "
"but not supported (E_NOTIMPL)", this));
// not supported for now
return E_NOTIMPL;
}
STDMETHODIMP
nsTextStore::GetTextExt(TsViewCookie vcView,
LONG acpStart,
LONG acpEnd,
RECT *prc,
BOOL *pfClipped)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetTextExt(vcView=%ld, "
"acpStart=%ld, acpEnd=%ld, prc=0x%p, pfClipped=0x%p)",
this, vcView, acpStart, acpEnd, prc, pfClipped));
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc || !pfClipped) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (acpStart < 0 || acpEnd < acpStart) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"invalid position", this));
return TS_E_INVALIDPOS;
}
if (mContent.IsLayoutChangedAfter(acpEnd)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"layout not recomputed at %d", this, acpEnd));
mContent.NeedsToNotifyTSFOfLayoutChange();
return TS_E_NOLAYOUT;
}
// use NS_QUERY_TEXT_RECT to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, NS_QUERY_TEXT_RECT, mWidget);
mWidget->InitEvent(event);
event.InitForQueryTextRect(acpStart, acpEnd - acpStart);
mWidget->DispatchWindowEvent(&event);
if (!event.mSucceeded) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"NS_QUERY_TEXT_RECT failure", this));
return TS_E_INVALIDPOS; // but unexpected failure, maybe.
}
// IMEs don't like empty rects, fix here
if (event.mReply.mRect.width <= 0)
event.mReply.mRect.width = 1;
if (event.mReply.mRect.height <= 0)
event.mReply.mRect.height = 1;
if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop) {
// convert to unclipped screen rect
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ? event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"no top level window", this));
return E_FAIL;
}
event.mReply.mRect.MoveBy(refWindow->WidgetToScreenOffset());
}
// get bounding screen rect to test for clipping
if (!GetScreenExtInternal(*prc)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetTextExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
// clip text rect to bounding rect
RECT textRect;
::SetRect(&textRect, event.mReply.mRect.x, event.mReply.mRect.y,
event.mReply.mRect.XMost(), event.mReply.mRect.YMost());
if (!::IntersectRect(prc, prc, &textRect))
// Text is not visible
::SetRectEmpty(prc);
// not equal if text rect was clipped
*pfClipped = !::EqualRect(prc, &textRect);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetTextExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }, *pfClipped=%s",
this, prc->left, prc->top, prc->right, prc->bottom,
GetBoolName(*pfClipped)));
return S_OK;
}
STDMETHODIMP
nsTextStore::GetScreenExt(TsViewCookie vcView,
RECT *prc)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetScreenExt(vcView=%ld, prc=0x%p)",
this, vcView, prc));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExt() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!prc) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (!GetScreenExtInternal(*prc)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExt() FAILED due to "
"GetScreenExtInternal() failure", this));
return E_FAIL;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetScreenExt() succeeded: "
"*prc={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, prc->left, prc->top, prc->right, prc->bottom));
return S_OK;
}
bool
nsTextStore::GetScreenExtInternal(RECT &aScreenExt)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::GetScreenExtInternal()", this));
// use NS_QUERY_EDITOR_RECT to get rect in system, screen coordinates
WidgetQueryContentEvent event(true, NS_QUERY_EDITOR_RECT, mWidget);
mWidget->InitEvent(event);
mWidget->DispatchWindowEvent(&event);
if (!event.mSucceeded) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExtInternal() FAILED due to "
"NS_QUERY_EDITOR_RECT failure", this));
return false;
}
if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
nsIntRect boundRect;
if (NS_FAILED(mWidget->GetClientBounds(boundRect))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExtInternal() FAILED due to "
"failed to get the client bounds", this));
return false;
}
::SetRect(&aScreenExt, boundRect.x, boundRect.y,
boundRect.XMost(), boundRect.YMost());
} else {
NS_ASSERTION(XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Desktop,
"environment isn't WindowsEnvironmentType_Desktop!");
nsWindow* refWindow = static_cast<nsWindow*>(
event.mReply.mFocusedWidget ?
event.mReply.mFocusedWidget : mWidget);
// Result rect is in top level widget coordinates
refWindow = refWindow->GetTopLevelWindow(false);
if (!refWindow) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExtInternal() FAILED due to "
"no top level window", this));
return false;
}
nsIntRect boundRect;
if (NS_FAILED(refWindow->GetClientBounds(boundRect))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExtInternal() FAILED due to "
"failed to get the client bounds", this));
return false;
}
boundRect.MoveTo(0, 0);
// Clip frame rect to window rect
boundRect.IntersectRect(event.mReply.mRect, boundRect);
if (!boundRect.IsEmpty()) {
boundRect.MoveBy(refWindow->WidgetToScreenOffset());
::SetRect(&aScreenExt, boundRect.x, boundRect.y,
boundRect.XMost(), boundRect.YMost());
} else {
::SetRectEmpty(&aScreenExt);
}
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::GetScreenExtInternal() succeeded: "
"aScreenExt={ left=%ld, top=%ld, right=%ld, bottom=%ld }",
this, aScreenExt.left, aScreenExt.top,
aScreenExt.right, aScreenExt.bottom));
return true;
}
STDMETHODIMP
nsTextStore::GetWnd(TsViewCookie vcView,
HWND *phwnd)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetWnd(vcView=%ld, phwnd=0x%p), "
"mWidget=0x%p",
this, vcView, phwnd, mWidget.get()));
if (vcView != TEXTSTORE_DEFAULT_VIEW) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetWnd() FAILED due to "
"called with invalid view", this));
return E_INVALIDARG;
}
if (!phwnd) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::GetScreenExt() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
*phwnd = mWidget->GetWindowHandle();
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::GetWnd() succeeded: *phwnd=0x%p",
this, static_cast<void*>(*phwnd)));
return S_OK;
}
STDMETHODIMP
nsTextStore::InsertTextAtSelection(DWORD dwFlags,
const WCHAR *pchText,
ULONG cch,
LONG *pacpStart,
LONG *pacpEnd,
TS_TEXTCHANGE *pChange)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::InsertTextAtSelection(dwFlags=%s, "
"pchText=0x%p \"%s\", cch=%lu, pacpStart=0x%p, pacpEnd=0x%p, "
"pChange=0x%p), IsComposing()=%s",
this, dwFlags == 0 ? "0" :
dwFlags == TF_IAS_NOQUERY ? "TF_IAS_NOQUERY" :
dwFlags == TF_IAS_QUERYONLY ? "TF_IAS_QUERYONLY" : "Unknown",
pchText,
pchText && cch ? NS_ConvertUTF16toUTF8(pchText, cch).get() : "",
cch, pacpStart, pacpEnd, pChange,
GetBoolName(mComposition.IsComposing())));
if (cch && !pchText) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"null pchText", this));
return E_INVALIDARG;
}
if (TS_IAS_QUERYONLY == dwFlags) {
if (!IsReadLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read)", this));
return TS_E_NOLOCK;
}
if (!pacpStart || !pacpEnd) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
// Get selection first
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
// Simulate text insertion
*pacpStart = currentSel.StartOffset();
*pacpEnd = currentSel.EndOffset();
if (pChange) {
pChange->acpStart = currentSel.StartOffset();
pChange->acpOldEnd = currentSel.EndOffset();
pChange->acpNewEnd = currentSel.StartOffset() + static_cast<LONG>(cch);
}
} else {
if (!IsReadWriteLocked()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"not locked (read-write)", this));
return TS_E_NOLOCK;
}
if (!pChange) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"null pChange", this));
return E_INVALIDARG;
}
if (TS_IAS_NOQUERY != dwFlags && (!pacpStart || !pacpEnd)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"null argument", this));
return E_INVALIDARG;
}
if (!InsertTextAtSelectionInternal(nsDependentSubstring(pchText, cch),
pChange)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() FAILED due to "
"InsertTextAtSelectionInternal() failure", this));
return E_FAIL;
}
if (TS_IAS_NOQUERY != dwFlags) {
*pacpStart = pChange->acpStart;
*pacpEnd = pChange->acpNewEnd;
}
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::InsertTextAtSelection() succeeded: "
"*pacpStart=%ld, *pacpEnd=%ld, "
"*pChange={ acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld })",
this, pacpStart ? *pacpStart : 0, pacpEnd ? *pacpEnd : 0,
pChange ? pChange->acpStart: 0, pChange ? pChange->acpOldEnd : 0,
pChange ? pChange->acpNewEnd : 0));
return S_OK;
}
bool
nsTextStore::InsertTextAtSelectionInternal(const nsAString &aInsertStr,
TS_TEXTCHANGE* aTextChange)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::InsertTextAtSelectionInternal("
"aInsertStr=\"%s\", aTextChange=0x%p), IsComposing=%s",
this, NS_ConvertUTF16toUTF8(aInsertStr).get(), aTextChange,
GetBoolName(mComposition.IsComposing())));
Content& currentContent = CurrentContent();
if (!currentContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::InsertTextAtSelectionInternal() failed "
"due to CurrentContent() failure()", this));
return false;
}
TS_SELECTION_ACP oldSelection = currentContent.Selection().ACP();
if (!mComposition.IsComposing()) {
// Use a temporary composition to contain the text
PendingAction* compositionStart = mPendingActions.AppendElement();
compositionStart->mType = PendingAction::COMPOSITION_START;
compositionStart->mSelectionStart = oldSelection.acpStart;
compositionStart->mSelectionLength =
oldSelection.acpEnd - oldSelection.acpStart;
PendingAction* compositionEnd = mPendingActions.AppendElement();
compositionEnd->mType = PendingAction::COMPOSITION_END;
compositionEnd->mData = aInsertStr;
}
currentContent.ReplaceSelectedTextWith(aInsertStr);
if (aTextChange) {
aTextChange->acpStart = oldSelection.acpStart;
aTextChange->acpOldEnd = oldSelection.acpEnd;
aTextChange->acpNewEnd = currentContent.Selection().EndOffset();
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::InsertTextAtSelectionInternal() succeeded: "
"mWidget=0x%p, mWidget->Destroyed()=%s, aTextChange={ acpStart=%ld, "
"acpOldEnd=%ld, acpNewEnd=%ld }",
this, mWidget.get(),
GetBoolName(mWidget ? mWidget->Destroyed() : true),
aTextChange ? aTextChange->acpStart : 0,
aTextChange ? aTextChange->acpOldEnd : 0,
aTextChange ? aTextChange->acpNewEnd : 0));
return true;
}
STDMETHODIMP
nsTextStore::InsertEmbeddedAtSelection(DWORD dwFlags,
IDataObject *pDataObject,
LONG *pacpStart,
LONG *pacpEnd,
TS_TEXTCHANGE *pChange)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::InsertEmbeddedAtSelection() called "
"but not supported (E_NOTIMPL)", this));
// embedded objects are not supported
return E_NOTIMPL;
}
HRESULT
nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
ITfRange* aRange,
bool aPreserveSelection)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction("
"pComposition=0x%p, aRange=0x%p, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, pComposition, aRange, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
LONG start = 0, length = 0;
HRESULT hr = GetRangeExtent(aRange, &start, &length);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction() FAILED "
"due to GetRangeExtent() failure", this));
return hr;
}
Content& currentContent = CurrentContent();
if (!currentContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction() FAILED "
"due to CurrentContent() failure", this));
return E_FAIL;
}
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_START;
action->mSelectionStart = start;
action->mSelectionLength = length;
currentContent.StartComposition(pComposition, *action, aPreserveSelection);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction() succeeded: "
"mComposition={ mStart=%ld, mString.Length()=%ld, "
"mSelection={ acpStart=%ld, acpEnd=%ld, style.ase=%s, "
"style.fInterimChar=%s } }",
this, mComposition.mStart, mComposition.mString.Length(),
mSelection.StartOffset(), mSelection.EndOffset(),
GetActiveSelEndName(mSelection.ActiveSelEnd()),
GetBoolName(mSelection.IsInterimChar())));
return S_OK;
}
HRESULT
nsTextStore::RecordCompositionEndAction()
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionEndAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
MOZ_ASSERT(mComposition.IsComposing());
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_END;
action->mData = mComposition.mString;
Content& currentContent = CurrentContent();
if (!currentContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionEndAction() FAILED due "
"to CurrentContent() failure", this));
return E_FAIL;
}
currentContent.EndComposition(*action);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RecordCompositionEndAction(), succeeded",
this));
return S_OK;
}
STDMETHODIMP
nsTextStore::OnStartComposition(ITfCompositionView* pComposition,
BOOL* pfOk)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnStartComposition(pComposition=0x%p, "
"pfOk=0x%p), mComposition.mView=0x%p",
this, pComposition, pfOk, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
*pfOk = FALSE;
// Only one composition at a time
if (mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnStartComposition() FAILED due to "
"there is another composition already (but returns S_OK)", this));
return S_OK;
}
nsRefPtr<ITfRange> range;
HRESULT hr = pComposition->GetRange(getter_AddRefs(range));
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnStartComposition() FAILED due to "
"pComposition->GetRange() failure", this));
return hr;
}
hr = RecordCompositionStartAction(pComposition, range, false);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnStartComposition() FAILED due to "
"RecordCompositionStartAction() failure", this));
return hr;
}
*pfOk = TRUE;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnStartComposition() succeeded", this));
return S_OK;
}
STDMETHODIMP
nsTextStore::OnUpdateComposition(ITfCompositionView* pComposition,
ITfRange* pRangeNew)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnUpdateComposition(pComposition=0x%p, "
"pRangeNew=0x%p), mComposition.mView=0x%p",
this, pComposition, pRangeNew, mComposition.mView.get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mDocumentMgr || !mContext) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"not ready for the composition", this));
return E_UNEXPECTED;
}
if (!mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
// pRangeNew is null when the update is not complete
if (!pRangeNew) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnUpdateComposition() succeeded but "
"not complete", this));
return S_OK;
}
HRESULT hr = RestartCompositionIfNecessary(pRangeNew);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"RestartCompositionIfNecessary() failure", this));
return hr;
}
hr = RecordCompositionUpdateAction();
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"RecordCompositionUpdateAction() failure", this));
return hr;
}
#ifdef PR_LOGGING
if (PR_LOG_TEST(sTextStoreLog, PR_LOG_ALWAYS)) {
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnUpdateComposition() FAILED due to "
"CurrentSelection() failure", this));
return E_FAIL;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnUpdateComposition() succeeded: "
"mComposition={ mStart=%ld, mString=\"%s\" }, "
"CurrentSelection()={ acpStart=%ld, acpEnd=%ld, style.ase=%s }",
this, mComposition.mStart,
NS_ConvertUTF16toUTF8(mComposition.mString).get(),
currentSel.StartOffset(), currentSel.EndOffset(),
GetActiveSelEndName(currentSel.ActiveSelEnd())));
}
#endif // #ifdef PR_LOGGING
return S_OK;
}
STDMETHODIMP
nsTextStore::OnEndComposition(ITfCompositionView* pComposition)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnEndComposition(pComposition=0x%p), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, pComposition, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
AutoPendingActionAndContentFlusher flusher(this);
if (!mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnEndComposition() FAILED due to "
"no active composition", this));
return E_UNEXPECTED;
}
if (mComposition.mView != pComposition) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnEndComposition() FAILED due to "
"different composition view specified", this));
return E_UNEXPECTED;
}
HRESULT hr = RecordCompositionEndAction();
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::OnEndComposition() FAILED due to "
"RecordCompositionEndAction() failure", this));
return hr;
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnEndComposition(), succeeded", this));
return S_OK;
}
STDMETHODIMP
nsTextStore::OnActivated(DWORD dwProfileType,
LANGID langid,
REFCLSID rclsid,
REFGUID catid,
REFGUID guidProfile,
HKL hkl,
DWORD dwFlags)
{
// NOTE: This is installed only on Vista or later.
if (dwFlags & TF_IPSINK_FLAG_ACTIVE) {
mIsIMM_IME = IsIMM_IME(hkl);
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnActivated(dwProfileType=%s (0x%08X), "
"langid=0x%08X, rclsid=%s, catid=%s, guidProfile=%s, hkl=0x%08X, "
"dwFlags=0x%08X (TF_IPSINK_FLAG_ACTIVE: %s)), mIsIMM_IME=%s",
this, dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR ?
"TF_PROFILETYPE_INPUTPROCESSOR" :
dwProfileType == TF_PROFILETYPE_KEYBOARDLAYOUT ?
"TF_PROFILETYPE_KEYBOARDLAYOUT" : "Unknown", dwProfileType,
langid, GetCLSIDNameStr(rclsid).get(), GetGUIDNameStr(catid).get(),
GetGUIDNameStr(guidProfile).get(), hkl, dwFlags,
GetBoolName(dwFlags & TF_IPSINK_FLAG_ACTIVE),
GetBoolName(mIsIMM_IME)));
return S_OK;
}
// static
nsresult
nsTextStore::OnFocusChange(bool aGotFocus,
nsWindowBase* aFocusedWidget,
IMEState::Enabled aIMEEnabled)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::OnFocusChange(aGotFocus=%s, "
"aFocusedWidget=0x%p, aIMEEnabled=%s), sTsfThreadMgr=0x%p, "
"sTsfTextStore=0x%p",
GetBoolName(aGotFocus), aFocusedWidget,
GetIMEEnabledName(aIMEEnabled), sTsfThreadMgr, sTsfTextStore));
// no change notifications if TSF is disabled
NS_ENSURE_TRUE(sTsfThreadMgr && sTsfTextStore, NS_ERROR_NOT_AVAILABLE);
nsRefPtr<ITfDocumentMgr> prevFocusedDocumentMgr;
if (aGotFocus && (aIMEEnabled == IMEState::ENABLED ||
aIMEEnabled == IMEState::PASSWORD)) {
bool bRet = sTsfTextStore->Create(aFocusedWidget);
NS_ENSURE_TRUE(bRet, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(sTsfTextStore->mDocumentMgr, NS_ERROR_FAILURE);
if (aIMEEnabled == IMEState::PASSWORD) {
MarkContextAsKeyboardDisabled(sTsfTextStore->mContext);
nsRefPtr<ITfContext> topContext;
sTsfTextStore->mDocumentMgr->GetTop(getter_AddRefs(topContext));
if (topContext && topContext != sTsfTextStore->mContext) {
MarkContextAsKeyboardDisabled(topContext);
}
}
HRESULT hr = sTsfThreadMgr->SetFocus(sTsfTextStore->mDocumentMgr);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
// Use AssociateFocus() for ensuring that any native focus event
// never steal focus from our documentMgr.
hr = sTsfThreadMgr->AssociateFocus(aFocusedWidget->GetWindowHandle(),
sTsfTextStore->mDocumentMgr,
getter_AddRefs(prevFocusedDocumentMgr));
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
} else {
if (ThinksHavingFocus()) {
DebugOnly<HRESULT> hr = sTsfThreadMgr->AssociateFocus(
sTsfTextStore->mWidget->GetWindowHandle(),
nullptr, getter_AddRefs(prevFocusedDocumentMgr));
NS_ASSERTION(SUCCEEDED(hr), "Disassociating focus failed");
NS_ASSERTION(prevFocusedDocumentMgr == sTsfTextStore->mDocumentMgr,
"different documentMgr has been associated with the window");
sTsfTextStore->Destroy();
}
HRESULT hr = sTsfThreadMgr->SetFocus(sTsfDisabledDocumentMgr);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
}
return NS_OK;
}
// static
nsIMEUpdatePreference
nsTextStore::GetIMEUpdatePreference()
{
int8_t notifications = nsIMEUpdatePreference::NOTIFY_NOTHING;
if (sTsfThreadMgr && sTsfTextStore && sTsfTextStore->mDocumentMgr) {
nsRefPtr<ITfDocumentMgr> docMgr;
sTsfThreadMgr->GetFocus(getter_AddRefs(docMgr));
if (docMgr == sTsfTextStore->mDocumentMgr) {
notifications = (nsIMEUpdatePreference::NOTIFY_SELECTION_CHANGE |
nsIMEUpdatePreference::NOTIFY_TEXT_CHANGE);
}
}
return nsIMEUpdatePreference(notifications, false);
}
nsresult
nsTextStore::OnTextChangeInternal(uint32_t aStart,
uint32_t aOldEnd,
uint32_t aNewEnd)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::OnTextChangeInternal(aStart=%lu, "
"aOldEnd=%lu, aNewEnd=%lu), mSink=0x%p, mSinkMask=%s, "
"mTextChange={ acpStart=%ld, acpOldEnd=%ld, acpNewEnd=%ld }",
this, aStart, aOldEnd, aNewEnd, mSink.get(),
GetSinkMaskNameStr(mSinkMask).get(), mTextChange.acpStart,
mTextChange.acpOldEnd, mTextChange.acpNewEnd));
if (IsReadLocked()) {
return NS_OK;
}
NS_ASSERTION(!mComposition.IsComposing(), "text changed during composition");
mSelection.MarkDirty();
if (mSink && 0 != (mSinkMask & TS_AS_TEXT_CHANGE)) {
mTextChange.acpStart = std::min(mTextChange.acpStart, LONG(aStart));
mTextChange.acpOldEnd = std::max(mTextChange.acpOldEnd, LONG(aOldEnd));
mTextChange.acpNewEnd = std::max(mTextChange.acpNewEnd, LONG(aNewEnd));
::PostMessageW(mWidget->GetWindowHandle(),
WM_USER_TSF_TEXTCHANGE, 0, 0);
}
return NS_OK;
}
void
nsTextStore::OnTextChangeMsgInternal(void)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::OnTextChangeMsgInternal(), "
"mSink=0x%p, mSinkMask=%s, mTextChange={ acpStart=%ld, "
"acpOldEnd=%ld, acpNewEnd=%ld }",
this, mSink.get(),
GetSinkMaskNameStr(mSinkMask).get(), mTextChange.acpStart,
mTextChange.acpOldEnd, mTextChange.acpNewEnd));
if (!mLock && mSink && 0 != (mSinkMask & TS_AS_TEXT_CHANGE) &&
INT32_MAX > mTextChange.acpStart) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnTextChangeMsgInternal(), calling"
"mSink->OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, mTextChange.acpStart,
mTextChange.acpOldEnd, mTextChange.acpNewEnd));
mSink->OnTextChange(0, &mTextChange);
mTextChange.acpStart = INT32_MAX;
mTextChange.acpOldEnd = mTextChange.acpNewEnd = 0;
}
}
nsresult
nsTextStore::OnSelectionChangeInternal(void)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::OnSelectionChangeInternal(), "
"mSink=0x%p, mSinkMask=%s, mIsRecordingActionsWithoutLock=%s",
this, mSink.get(), GetSinkMaskNameStr(mSinkMask).get(),
GetBoolName(mIsRecordingActionsWithoutLock)));
if (IsReadLocked()) {
return NS_OK;
}
NS_ASSERTION(!mComposition.IsComposing(),
"selection changed during composition");
mSelection.MarkDirty();
if (mSink && 0 != (mSinkMask & TS_AS_SEL_CHANGE)) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnSelectionChangeInternal(), calling "
"mSink->OnSelectionChange()...", this));
if (!mIsRecordingActionsWithoutLock) {
mSink->OnSelectionChange();
} else {
mNotifySelectionChange = true;
}
}
return NS_OK;
}
nsresult
nsTextStore::OnLayoutChange()
{
NS_ENSURE_TRUE(mContext, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(mSink, NS_ERROR_FAILURE);
// XXXmnakano We always call OnLayoutChange for now, but this might use CPU
// power when the focused editor has very long text. Ideally, we should call
// this only when the composition string screen position is changed by window
// moving, resizing. And also reflowing and scrolling the contents.
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::OnLayoutChange(), calling "
"mSink->OnLayoutChange()...", this));
HRESULT hr = mSink->OnLayoutChange(TS_LC_CHANGE, TEXTSTORE_DEFAULT_VIEW);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
return NS_OK;
}
void
nsTextStore::CommitCompositionInternal(bool aDiscard)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::CommitCompositionInternal(aDiscard=%s), "
"mSink=0x%p, mContext=0x%p, mComposition.mView=0x%p, "
"mComposition.mString=\"%s\"",
this, GetBoolName(aDiscard), mSink.get(), mContext.get(),
mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
if (mComposition.IsComposing() && aDiscard) {
LONG endOffset = mComposition.EndOffset();
mComposition.mString.Truncate(0);
if (mSink && !mLock) {
TS_TEXTCHANGE textChange;
textChange.acpStart = mComposition.mStart;
textChange.acpOldEnd = endOffset;
textChange.acpNewEnd = mComposition.mStart;
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::CommitCompositionInternal(), calling"
"mSink->OnTextChange(0, { acpStart=%ld, acpOldEnd=%ld, "
"acpNewEnd=%ld })...", this, textChange.acpStart,
textChange.acpOldEnd, textChange.acpNewEnd));
mSink->OnTextChange(0, &textChange);
}
}
// Terminate two contexts, the base context (mContext) and the top
// if the top context is not the same as the base context
nsRefPtr<ITfContext> context = mContext;
do {
if (context) {
nsRefPtr<ITfContextOwnerCompositionServices> services;
context->QueryInterface(IID_ITfContextOwnerCompositionServices,
getter_AddRefs(services));
if (services) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::CommitCompositionInternal(), "
"requesting TerminateComposition() for the context 0x%p...",
this, context.get()));
services->TerminateComposition(nullptr);
}
}
if (context != mContext)
break;
if (mDocumentMgr)
mDocumentMgr->GetTop(getter_AddRefs(context));
} while (context != mContext);
}
static
bool
GetCompartment(IUnknown* pUnk,
const GUID& aID,
ITfCompartment** aCompartment)
{
if (!pUnk) return false;
nsRefPtr<ITfCompartmentMgr> compMgr;
pUnk->QueryInterface(IID_ITfCompartmentMgr, getter_AddRefs(compMgr));
if (!compMgr) return false;
return SUCCEEDED(compMgr->GetCompartment(aID, aCompartment)) &&
(*aCompartment) != nullptr;
}
// static
void
nsTextStore::SetIMEOpenState(bool aState)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::SetIMEOpenState(aState=%s)", GetBoolName(aState)));
nsRefPtr<ITfCompartment> comp;
if (!GetCompartment(sTsfThreadMgr,
GUID_COMPARTMENT_KEYBOARD_OPENCLOSE,
getter_AddRefs(comp))) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::SetIMEOpenState() FAILED due to"
"no compartment available"));
return;
}
VARIANT variant;
variant.vt = VT_I4;
variant.lVal = aState;
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::SetIMEOpenState(), setting "
"0x%04X to GUID_COMPARTMENT_KEYBOARD_OPENCLOSE...",
variant.lVal));
comp->SetValue(sTsfClientId, &variant);
}
// static
bool
nsTextStore::GetIMEOpenState(void)
{
nsRefPtr<ITfCompartment> comp;
if (!GetCompartment(sTsfThreadMgr,
GUID_COMPARTMENT_KEYBOARD_OPENCLOSE,
getter_AddRefs(comp)))
return false;
VARIANT variant;
::VariantInit(&variant);
if (SUCCEEDED(comp->GetValue(&variant)) && variant.vt == VT_I4)
return variant.lVal != 0;
::VariantClear(&variant); // clear up in case variant.vt != VT_I4
return false;
}
// static
void
nsTextStore::SetInputContext(nsWindowBase* aWidget,
const InputContext& aContext,
const InputContextAction& aAction)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::SetInputContext(aWidget=%p, "
"aContext.mIMEState.mEnabled=%s, aAction.mFocusChange=%s), "
"ThinksHavingFocus()=%s",
aWidget, GetIMEEnabledName(aContext.mIMEState.mEnabled),
GetFocusChangeName(aAction.mFocusChange),
GetBoolName(ThinksHavingFocus())));
NS_ENSURE_TRUE_VOID(sTsfTextStore);
sTsfTextStore->SetInputScope(aContext.mHTMLInputType);
if (aAction.mFocusChange != InputContextAction::FOCUS_NOT_CHANGED) {
return;
}
// If focus isn't actually changed but the enabled state is changed,
// emulate the focus move.
if (!ThinksHavingFocus() &&
aContext.mIMEState.mEnabled == IMEState::ENABLED) {
OnFocusChange(true, aWidget, aContext.mIMEState.mEnabled);
} else if (ThinksHavingFocus() &&
aContext.mIMEState.mEnabled != IMEState::ENABLED) {
OnFocusChange(false, aWidget, aContext.mIMEState.mEnabled);
}
}
// static
void
nsTextStore::MarkContextAsKeyboardDisabled(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
nsRefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_KEYBOARD_DISABLED,
getter_AddRefs(comp))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::MarkContextAsKeyboardDisabled() failed"
"aContext=0x%p...", aContext));
return;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::MarkContextAsKeyboardDisabled(), setting "
"to disable context 0x%p...",
aContext));
comp->SetValue(sTsfClientId, &variant_int4_value1);
}
// static
void
nsTextStore::MarkContextAsEmpty(ITfContext* aContext)
{
VARIANT variant_int4_value1;
variant_int4_value1.vt = VT_I4;
variant_int4_value1.lVal = 1;
nsRefPtr<ITfCompartment> comp;
if (!GetCompartment(aContext,
GUID_COMPARTMENT_EMPTYCONTEXT,
getter_AddRefs(comp))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::MarkContextAsEmpty() failed"
"aContext=0x%p...", aContext));
return;
}
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: nsTextStore::MarkContextAsEmpty(), setting "
"to mark empty context 0x%p...", aContext));
comp->SetValue(sTsfClientId, &variant_int4_value1);
}
// static
void
nsTextStore::Initialize(void)
{
#ifdef PR_LOGGING
if (!sTextStoreLog) {
sTextStoreLog = PR_NewLogModule("nsTextStoreWidgets");
}
#endif
bool enableTsf = Preferences::GetBool(kPrefNameTSFEnabled, false);
// Migrate legacy TSF pref to new pref. This should be removed in next
// release cycle or later.
if (!enableTsf && Preferences::GetBool(kLegacyPrefNameTSFEnabled, false)) {
enableTsf = true;
Preferences::SetBool(kPrefNameTSFEnabled, true);
Preferences::ClearUser(kLegacyPrefNameTSFEnabled);
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize(), TSF is %s",
enableTsf ? "enabled" : "disabled"));
if (!enableTsf) {
return;
}
// XXX MSDN documents that ITfInputProcessorProfiles is available only on
// desktop apps. However, there is no known way to obtain
// ITfInputProcessorProfileMgr instance without ITfInputProcessorProfiles
// instance.
HRESULT hr =
::CoCreateInstance(CLSID_TF_InputProcessorProfiles, nullptr,
CLSCTX_INPROC_SERVER,
IID_ITfInputProcessorProfiles,
reinterpret_cast<void**>(&sInputProcessorProfiles));
if (FAILED(hr) || !sInputProcessorProfiles) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to create input processor "
"profiles"));
return;
}
if (!sTsfThreadMgr) {
if (SUCCEEDED(CoCreateInstance(CLSID_TF_ThreadMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfThreadMgr,
reinterpret_cast<void**>(&sTsfThreadMgr)))) {
DebugOnly<HRESULT> hr =
sTsfThreadMgr->QueryInterface(IID_ITfMessagePump,
reinterpret_cast<void**>(&sMessagePump));
MOZ_ASSERT(SUCCEEDED(hr));
MOZ_ASSERT(sMessagePump);
hr =
sTsfThreadMgr->QueryInterface(IID_ITfKeystrokeMgr,
reinterpret_cast<void**>(&sKeystrokeMgr));
MOZ_ASSERT(SUCCEEDED(hr));
MOZ_ASSERT(sKeystrokeMgr);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize() succeeded to "
"create the thread manager, activating..."));
if (FAILED(sTsfThreadMgr->Activate(&sTsfClientId))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to activate, "
"releasing the thread manager..."));
NS_RELEASE(sTsfThreadMgr);
}
}
#ifdef PR_LOGGING
else {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to "
"create the thread manager"));
}
#endif // #ifdef PR_LOGGING
}
if (sTsfThreadMgr && !sTsfTextStore) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize() is creating "
"an nsTextStore instance..."));
sTsfTextStore = new nsTextStore();
}
if (sTsfThreadMgr && !sDisplayAttrMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize() is creating "
"a display attribute manager instance..."));
hr = ::CoCreateInstance(CLSID_TF_DisplayAttributeMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfDisplayAttributeMgr,
reinterpret_cast<void**>(&sDisplayAttrMgr));
if (FAILED(hr) || !sDisplayAttrMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to create "
"a display attribute manager instance"));
}
}
if (sTsfThreadMgr && sDisplayAttrMgr && !sCategoryMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize() is creating "
"a category manager instance..."));
hr = ::CoCreateInstance(CLSID_TF_CategoryMgr, nullptr,
CLSCTX_INPROC_SERVER, IID_ITfCategoryMgr,
reinterpret_cast<void**>(&sCategoryMgr));
if (FAILED(hr) || !sCategoryMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to create "
"a category manager instance"));
// release the display manager because it cannot work without the
// category manager
NS_RELEASE(sDisplayAttrMgr);
}
}
if (sTsfThreadMgr && sTsfTextStore) {
hr = sTsfThreadMgr->CreateDocumentMgr(&sTsfDisabledDocumentMgr);
if (FAILED(hr) || !sTsfDisabledDocumentMgr) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to create "
"a document manager for disabled mode"));
}
if (sTsfDisabledDocumentMgr) {
DWORD editCookie = 0;
hr = sTsfDisabledDocumentMgr->CreateContext(sTsfClientId, 0, nullptr,
&sTsfDisabledContext,
&editCookie);
if (FAILED(hr) || !sTsfDisabledContext) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::Initialize() FAILED to create "
"a context for disabled mode"));
}
if (sTsfDisabledContext) {
MarkContextAsKeyboardDisabled(sTsfDisabledContext);
MarkContextAsEmpty(sTsfDisabledContext);
}
}
}
if (sTsfThreadMgr && !sFlushTIPInputMessage) {
sFlushTIPInputMessage = ::RegisterWindowMessageW(
L"Flush TIP Input Message");
}
if (!sTsfThreadMgr) {
NS_IF_RELEASE(sMessagePump);
NS_IF_RELEASE(sKeystrokeMgr);
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: nsTextStore::Initialize(), sTsfThreadMgr=0x%p, "
"sTsfClientId=0x%08X, sTsfTextStore=0x%p, sDisplayAttrMgr=0x%p, "
"sCategoryMgr=0x%p, sTsfDisabledDocumentMgr=0x%p, sTsfDisabledContext=%p",
sTsfThreadMgr, sTsfClientId, sTsfTextStore, sDisplayAttrMgr, sCategoryMgr,
sTsfDisabledDocumentMgr, sTsfDisabledContext));
}
// static
void
nsTextStore::Terminate(void)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS, ("TSF: nsTextStore::Terminate()"));
NS_IF_RELEASE(sDisplayAttrMgr);
NS_IF_RELEASE(sCategoryMgr);
NS_IF_RELEASE(sTsfTextStore);
NS_IF_RELEASE(sTsfDisabledDocumentMgr);
NS_IF_RELEASE(sTsfDisabledContext);
NS_IF_RELEASE(sInputProcessorProfiles);
sTsfClientId = 0;
if (sTsfThreadMgr) {
sTsfThreadMgr->Deactivate();
NS_RELEASE(sTsfThreadMgr);
NS_RELEASE(sMessagePump);
NS_RELEASE(sKeystrokeMgr);
}
}
// static
bool
nsTextStore::ProcessRawKeyMessage(const MSG& aMsg)
{
if (!sKeystrokeMgr) {
return false; // not in TSF mode
}
if (aMsg.message == WM_KEYDOWN) {
BOOL eaten;
HRESULT hr = sKeystrokeMgr->TestKeyDown(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !eaten) {
return false;
}
hr = sKeystrokeMgr->KeyDown(aMsg.wParam, aMsg.lParam, &eaten);
return SUCCEEDED(hr) && eaten;
}
if (aMsg.message == WM_KEYUP) {
BOOL eaten;
HRESULT hr = sKeystrokeMgr->TestKeyUp(aMsg.wParam, aMsg.lParam, &eaten);
if (FAILED(hr) || !eaten) {
return false;
}
hr = sKeystrokeMgr->KeyUp(aMsg.wParam, aMsg.lParam, &eaten);
return SUCCEEDED(hr) && eaten;
}
return false;
}
/******************************************************************/
/* nsTextStore::Composition */
/******************************************************************/
void
nsTextStore::Composition::Start(ITfCompositionView* aCompositionView,
LONG aCompositionStartOffset,
const nsAString& aCompositionString)
{
mView = aCompositionView;
mString = aCompositionString;
mStart = aCompositionStartOffset;
}
void
nsTextStore::Composition::End()
{
mView = nullptr;
mString.Truncate();
}
void
nsTextStore::Composition::StartLayoutChangeTimer(nsTextStore* aTextStore)
{
MOZ_ASSERT(!mLayoutChangeTimer);
mLayoutChangeTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
mLayoutChangeTimer->InitWithFuncCallback(TimerCallback, aTextStore,
GetLayoutChangeIntervalTime(), nsITimer::TYPE_REPEATING_SLACK);
}
void
nsTextStore::Composition::EnsureLayoutChangeTimerStopped()
{
if (!mLayoutChangeTimer) {
return;
}
mLayoutChangeTimer->Cancel();
mLayoutChangeTimer = nullptr;
}
// static
void
nsTextStore::Composition::TimerCallback(nsITimer* aTimer, void* aClosure)
{
nsTextStore *ts = static_cast<nsTextStore*>(aClosure);
ts->OnLayoutChange();
}
// static
uint32_t
nsTextStore::Composition::GetLayoutChangeIntervalTime()
{
static int32_t sTime = -1;
if (sTime > 0) {
return static_cast<uint32_t>(sTime);
}
sTime = std::max(10,
Preferences::GetInt(kPrefNameLayoutChangeInternal, 100));
return static_cast<uint32_t>(sTime);
}
/******************************************************************************
* nsTextStore::Content
*****************************************************************************/
const nsDependentSubstring
nsTextStore::Content::GetSelectedText() const
{
MOZ_ASSERT(mInitialized);
return GetSubstring(static_cast<uint32_t>(mSelection.StartOffset()),
static_cast<uint32_t>(mSelection.Length()));
}
const nsDependentSubstring
nsTextStore::Content::GetSubstring(uint32_t aStart, uint32_t aLength) const
{
MOZ_ASSERT(mInitialized);
return nsDependentSubstring(mText, aStart, aLength);
}
void
nsTextStore::Content::ReplaceSelectedTextWith(const nsAString& aString)
{
MOZ_ASSERT(mInitialized);
ReplaceTextWith(mSelection.StartOffset(), mSelection.Length(), aString);
}
inline uint32_t
FirstDifferentCharOffset(const nsAString& aStr1, const nsAString& aStr2)
{
MOZ_ASSERT(aStr1 != aStr2);
uint32_t i = 0;
uint32_t minLength = std::min(aStr1.Length(), aStr2.Length());
for (; i < minLength && aStr1[i] == aStr2[i]; i++) {
/* nothing to do */
}
return i;
}
void
nsTextStore::Content::ReplaceTextWith(LONG aStart, LONG aLength,
const nsAString& aReplaceString)
{
MOZ_ASSERT(mInitialized);
const nsDependentSubstring replacedString =
GetSubstring(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength));
if (aReplaceString != replacedString) {
uint32_t firstDifferentOffset =
static_cast<uint32_t>(aStart) + FirstDifferentCharOffset(aReplaceString,
replacedString);
mMinTextModifiedOffset =
std::min(mMinTextModifiedOffset, firstDifferentOffset);
if (mComposition.IsComposing()) {
// Emulate text insertion during compositions, because during a
// composition, editor expects the whole composition string to
// be sent in NS_TEXT_TEXT, not just the inserted part.
// The actual NS_TEXT_TEXT will be sent in SetSelection or
// OnUpdateComposition.
MOZ_ASSERT(aStart >= mComposition.mStart);
MOZ_ASSERT(aStart + aLength <= mComposition.EndOffset());
mComposition.mString.Replace(
static_cast<uint32_t>(aStart - mComposition.mStart),
static_cast<uint32_t>(aLength), aReplaceString);
}
mText.Replace(static_cast<uint32_t>(aStart),
static_cast<uint32_t>(aLength), aReplaceString);
}
// Selection should be collapsed at the end of the inserted string.
mSelection.CollapseAt(
static_cast<uint32_t>(aStart) + aReplaceString.Length());
}
void
nsTextStore::Content::StartComposition(ITfCompositionView* aCompositionView,
const PendingAction& aCompStart,
bool aPreserveSelection)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(aCompositionView);
MOZ_ASSERT(!mComposition.mView);
MOZ_ASSERT(aCompStart.mType == PendingAction::COMPOSITION_START);
mComposition.Start(aCompositionView, aCompStart.mSelectionStart,
GetSubstring(static_cast<uint32_t>(aCompStart.mSelectionStart),
static_cast<uint32_t>(aCompStart.mSelectionLength)));
if (!aPreserveSelection) {
mSelection.SetSelection(mComposition.mStart, mComposition.mString.Length(),
false);
}
}
void
nsTextStore::Content::EndComposition(const PendingAction& aCompEnd)
{
MOZ_ASSERT(mInitialized);
MOZ_ASSERT(mComposition.mView);
MOZ_ASSERT(aCompEnd.mType == PendingAction::COMPOSITION_END);
mSelection.CollapseAt(mComposition.mStart + aCompEnd.mData.Length());
mComposition.End();
}
#ifdef DEBUG
// static
bool
nsTextStore::CurrentKeyboardLayoutHasIME()
{
if (!sInputProcessorProfiles) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::CurrentKeyboardLayoutHasIME() FAILED due to there is "
"no input processor profiles instance"));
return false;
}
nsRefPtr<ITfInputProcessorProfileMgr> profileMgr;
HRESULT hr =
sInputProcessorProfiles->QueryInterface(IID_ITfInputProcessorProfileMgr,
getter_AddRefs(profileMgr));
if (FAILED(hr) || !profileMgr) {
// On Windows Vista or later, ImmIsIME() API always returns true.
// If we failed to obtain the profile manager, we cannot know if current
// keyboard layout has IME.
if (IsVistaOrLater()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::CurrentKeyboardLayoutHasIME() FAILED to query "
"ITfInputProcessorProfileMgr"));
return false;
}
// If the profiles instance doesn't have ITfInputProcessorProfileMgr
// interface, that means probably we're running on WinXP or WinServer2003
// (except WinServer2003 R2). Then, we should use ImmIsIME().
return ::ImmIsIME(::GetKeyboardLayout(0));
}
TF_INPUTPROCESSORPROFILE profile;
hr = profileMgr->GetActiveProfile(GUID_TFCAT_TIP_KEYBOARD, &profile);
if (hr == S_FALSE) {
return false; // not found or not active
}
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: nsTextStore::CurrentKeyboardLayoutHasIME() FAILED to retreive "
"active profile"));
return false;
}
return (profile.dwProfileType == TF_PROFILETYPE_INPUTPROCESSOR);
}
#endif // #ifdef DEBUG
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