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Bug 826657 part.1 nsTextStore should support ITfMouseTrackerACP r=emk

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This commit is contained in:
Masayuki Nakano 2014-08-29 19:08:42 +09:00
parent acc6f078d4
commit 4c1bb03793
2 changed files with 250 additions and 4 deletions
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216
widget/windows/nsTextStore.cpp
View File

@ -838,6 +838,13 @@ nsTextStore::Destroy(void)
mSink = nullptr;
mWidget = nullptr;
if (!mMouseTrackers.IsEmpty()) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::Destroy(), removing a mouse tracker...",
this));
mMouseTrackers.Clear();
}
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::Destroy() succeeded", this));
return true;
@ -856,6 +863,8 @@ nsTextStore::QueryInterface(REFIID riid,
*ppv = static_cast<ITfActiveLanguageProfileNotifySink*>(this);
} else if (IID_ITfInputProcessorProfileActivationSink == riid) {
*ppv = static_cast<ITfInputProcessorProfileActivationSink*>(this);
} else if (IID_ITfMouseTrackerACP == riid) {
*ppv = static_cast<ITfMouseTrackerACP*>(this);
}
if (*ppv) {
AddRef();
@ -3432,6 +3441,104 @@ nsTextStore::OnActivated(DWORD dwProfileType,
return S_OK;
}
STDMETHODIMP
nsTextStore::AdviseMouseSink(ITfRangeACP* range,
ITfMouseSink* pSink,
DWORD* pdwCookie)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::AdviseMouseSink(range=0x%p, pSink=0x%p, "
"pdwCookie=0x%p)", this, range, pSink, pdwCookie));
if (!pdwCookie) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseMouseSink() FAILED due to the "
"pdwCookie is null", this));
return E_INVALIDARG;
}
// Initialize the result with invalid cookie for safety.
*pdwCookie = MouseTracker::kInvalidCookie;
if (!range) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseMouseSink() FAILED due to the "
"range is null", this));
return E_INVALIDARG;
}
if (!pSink) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseMouseSink() FAILED due to the "
"pSink is null", this));
return E_INVALIDARG;
}
// Looking for an unusing tracker.
MouseTracker* tracker = nullptr;
for (size_t i = 0; i < mMouseTrackers.Length(); i++) {
if (mMouseTrackers[i].IsUsing()) {
continue;
}
tracker = &mMouseTrackers[i];
}
// If there is no unusing tracker, create new one.
// XXX Should we make limitation of the number of installs?
if (!tracker) {
tracker = mMouseTrackers.AppendElement();
HRESULT hr = tracker->Init(this);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseMouseSink() FAILED due to "
"failure of MouseTracker::Init()", this));
return hr;
}
}
HRESULT hr = tracker->AdviseSink(this, range, pSink);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::AdviseMouseSink() FAILED due to failure "
"of MouseTracker::Init()", this));
return hr;
}
*pdwCookie = tracker->Cookie();
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::AdviseMouseSink(), succeeded, "
"*pdwCookie=%d", this, *pdwCookie));
return S_OK;
}
STDMETHODIMP
nsTextStore::UnadviseMouseSink(DWORD dwCookie)
{
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::UnadviseMouseSink(dwCookie=%d)",
this, dwCookie));
if (dwCookie == MouseTracker::kInvalidCookie) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is invalid value", this));
return E_INVALIDARG;
}
// The cookie value must be an index of mMouseTrackers.
// We can use this shortcut for now.
if (static_cast<size_t>(dwCookie) >= mMouseTrackers.Length()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseMouseSink() FAILED due to "
"the cookie is too large value", this));
return E_INVALIDARG;
}
MouseTracker& tracker = mMouseTrackers[dwCookie];
if (!tracker.IsUsing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::UnadviseMouseSink() FAILED due to "
"the found tracker uninstalled already", this));
return E_INVALIDARG;
}
tracker.UnadviseSink();
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::UnadviseMouseSink(), succeeded", this));
return S_OK;
}
// static
nsresult
nsTextStore::OnFocusChange(bool aGotFocus,
@ -4425,6 +4532,115 @@ nsTextStore::Content::EndComposition(const PendingAction& aCompEnd)
mComposition.End();
}
/******************************************************************************
* nsTextStore::MouseTracker
*****************************************************************************/
nsTextStore::MouseTracker::MouseTracker()
: mStart(-1)
, mLength(-1)
, mCookie(kInvalidCookie)
{
}
HRESULT
nsTextStore::MouseTracker::Init(nsTextStore* aTextStore)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::MouseTracker::Init(aTextStore=0x%p), "
"aTextStore->mMouseTrackers.Length()=%d",
this, aTextStore->mMouseTrackers.Length()));
if (&aTextStore->mMouseTrackers.LastElement() != this) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::Init() FAILED due to "
"this is not the last element of mMouseTrackers", this));
return E_FAIL;
}
if (aTextStore->mMouseTrackers.Length() > kInvalidCookie) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::Init() FAILED due to "
"no new cookie available", this));
return E_FAIL;
}
MOZ_ASSERT(!aTextStore->mMouseTrackers.IsEmpty(),
"This instance must be in nsTextStore::mMouseTrackers");
mCookie = static_cast<DWORD>(aTextStore->mMouseTrackers.Length() - 1);
return S_OK;
}
HRESULT
nsTextStore::MouseTracker::AdviseSink(nsTextStore* aTextStore,
ITfRangeACP* aTextRange,
ITfMouseSink* aMouseSink)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseSink(aTextStore=0x%p, "
"aTextRange=0x%p, aMouseSink=0x%p), mCookie=%d, mSink=0x%p",
this, aTextStore, aTextRange, aMouseSink, mCookie, mSink.get()));
MOZ_ASSERT(mCookie != kInvalidCookie, "This hasn't been initalized?");
if (mSink) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to already being used", this));
return E_FAIL;
}
HRESULT hr = aTextRange->GetExtent(&mStart, &mLength);
if (FAILED(hr)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of ITfRangeACP::GetExtent()", this));
return hr;
}
if (mStart < 0 || mLength <= 0) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to odd result of ITfRangeACP::GetExtent(), "
"mStart=%d, mLength=%d", this, mStart, mLength));
return E_INVALIDARG;
}
nsAutoString textContent;
if (NS_WARN_IF(!aTextStore->GetCurrentText(textContent))) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to failure of nsTextStore::GetCurrentText()", this));
return E_FAIL;
}
if (textContent.Length() <= static_cast<uint32_t>(mStart) ||
textContent.Length() < static_cast<uint32_t>(mStart + mLength)) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink() FAILED "
"due to out of range, mStart=%d, mLength=%d, "
"textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return E_INVALIDARG;
}
mSink = aMouseSink;
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::MouseTracker::AdviseMouseSink(), "
"succeeded, mStart=%d, mLength=%d, textContent.Length()=%d",
this, mStart, mLength, textContent.Length()));
return S_OK;
}
void
nsTextStore::MouseTracker::UnadviseSink()
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::MouseTracker::UnadviseSink(), "
"mCookie=%d, mSink=0x%p, mStart=%d, mLength=%d",
this, mCookie, mSink, mStart, mLength));
mSink = nullptr;
mStart = mLength = -1;
}
#ifdef DEBUG
// static
bool

38
widget/windows/nsTextStore.h
View File

@ -51,10 +51,11 @@ struct MSGResult;
* Text Services Framework text store
*/
class nsTextStore MOZ_FINAL : public ITextStoreACP,
public ITfContextOwnerCompositionSink,
public ITfActiveLanguageProfileNotifySink,
public ITfInputProcessorProfileActivationSink
class nsTextStore MOZ_FINAL : public ITextStoreACP
, public ITfContextOwnerCompositionSink
, public ITfActiveLanguageProfileNotifySink
, public ITfInputProcessorProfileActivationSink
, public ITfMouseTrackerACP
{
public: /*IUnknown*/
STDMETHODIMP QueryInterface(REFIID, void**);
@ -107,6 +108,10 @@ public: /*ITfInputProcessorProfileActivationSink*/
STDMETHODIMP OnActivated(DWORD, LANGID, REFCLSID, REFGUID, REFGUID,
HKL, DWORD);
public: /*ITfMouseTrackerACP*/
STDMETHODIMP AdviseMouseSink(ITfRangeACP*, ITfMouseSink*, DWORD*);
STDMETHODIMP UnadviseMouseSink(DWORD);
protected:
typedef mozilla::widget::IMENotification IMENotification;
typedef mozilla::widget::IMEState IMEState;
@ -671,6 +676,31 @@ protected:
// mLockedContent. Otherwise, return the current text content.
bool GetCurrentText(nsAString& aTextContent);
class MouseTracker MOZ_FINAL
{
public:
static const DWORD kInvalidCookie = static_cast<DWORD>(-1);
MouseTracker();
HRESULT Init(nsTextStore* aTextStore);
HRESULT AdviseSink(nsTextStore* aTextStore,
ITfRangeACP* aTextRange, ITfMouseSink* aMouseSink);
void UnadviseSink();
bool IsUsing() const { return mSink != nullptr; }
DWORD Cookie() const { return mCookie; }
private:
nsRefPtr<ITfMouseSink> mSink;
LONG mStart;
LONG mLength;
DWORD mCookie;
};
// mMouseTrackers is an array to store each information of installed
// ITfMouseSink instance.
nsTArray<MouseTracker> mMouseTrackers;
// The input scopes for this context, defaults to IS_DEFAULT.
nsTArray<InputScope> mInputScopes;