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authorwolfbeast <mcwerewolf@wolfbeast.com>2020-01-09 13:22:29 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-01-09 13:22:29 +0100
commitd79cc5fb49131cba4ed1aa86bb13de468a718565 (patch)
treef348d40599d12749d8e4c176dfe83d0a43b1e939 /widget/windows
parent8ae047bbbf0a732744060878339b2f6fdf4ba909 (diff)
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Issue #1348 - Part 3: Set IS_PRIVATE input scope in private browsing.
Microsoft IME on Windows 10 20H1 (build 19025+) supports IME private mode by input scope. Although previous Windows versions use an undocumented API for Edge and IE only, the next Windows 10 release will use a public API for it. We pre-empt this potential privacy concern by setting the IS_PRIVATE flag when in PB mode.
Diffstat (limited to 'widget/windows')
-rw-r--r--widget/windows/TSFTextStore.cpp15
-rw-r--r--widget/windows/TSFTextStore.h3
-rw-r--r--widget/windows/WinIMEHandler.cpp16
-rw-r--r--widget/windows/WinIMEHandler.h3
4 files changed, 28 insertions, 9 deletions
diff --git a/widget/windows/TSFTextStore.cpp b/widget/windows/TSFTextStore.cpp
index c80de831c..12b8cd0c1 100644
--- a/widget/windows/TSFTextStore.cpp
+++ b/widget/windows/TSFTextStore.cpp
@@ -1355,7 +1355,9 @@ TSFTextStore::Init(nsWindowBase* aWidget,
return false;
}
- SetInputScope(aContext.mHTMLInputType, aContext.mHTMLInputInputmode);
+ SetInputScope(aContext.mHTMLInputType,
+ aContext.mHTMLInputInputmode,
+ aContext.mInPrivateBrowsing);
// Create document manager
RefPtr<ITfThreadMgr> threadMgr = sThreadMgr;
@@ -3205,9 +3207,15 @@ TSFTextStore::InsertEmbedded(DWORD dwFlags,
void
TSFTextStore::SetInputScope(const nsString& aHTMLInputType,
- const nsString& aHTMLInputInputMode)
+ const nsString& aHTMLInputInputMode,
+ bool aInPrivateBrowsing)
{
mInputScopes.Clear();
+
+ if (aInPrivateBrowsing) {
+ mInputScopes.AppendElement(IS_PRIVATE);
+ }
+
if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
if (aHTMLInputInputMode.EqualsLiteral("url")) {
mInputScopes.AppendElement(IS_URL);
@@ -5688,7 +5696,8 @@ TSFTextStore::SetInputContext(nsWindowBase* aWidget,
if (sEnabledTextStore) {
RefPtr<TSFTextStore> textStore(sEnabledTextStore);
textStore->SetInputScope(aContext.mHTMLInputType,
- aContext.mHTMLInputInputmode);
+ aContext.mHTMLInputInputmode,
+ aContext.mInPrivateBrowsing);
}
return;
}
diff --git a/widget/windows/TSFTextStore.h b/widget/windows/TSFTextStore.h
index 9596510d5..d1431e95d 100644
--- a/widget/windows/TSFTextStore.h
+++ b/widget/windows/TSFTextStore.h
@@ -355,7 +355,8 @@ protected:
ULONG aFilterCount,
const TS_ATTRID* aFilterAttrs);
void SetInputScope(const nsString& aHTMLInputType,
- const nsString& aHTMLInputInputmode);
+ const nsString& aHTMLInputInputmode,
+ bool aInPrivateBrowsing);
// Creates native caret over our caret. This method only works on desktop
// application. Otherwise, this does nothing.
diff --git a/widget/windows/WinIMEHandler.cpp b/widget/windows/WinIMEHandler.cpp
index 99f0fb136..9debaa2dd 100644
--- a/widget/windows/WinIMEHandler.cpp
+++ b/widget/windows/WinIMEHandler.cpp
@@ -409,7 +409,7 @@ IMEHandler::OnDestroyWindow(nsWindow* aWindow)
if (!sIsInTSFMode) {
// MSDN says we need to set IS_DEFAULT to avoid memory leak when we use
// SetInputScopes API. Use an empty string to do this.
- SetInputScopeForIMM32(aWindow, EmptyString(), EmptyString());
+ SetInputScopeForIMM32(aWindow, EmptyString(), EmptyString(), false);
}
#endif // #ifdef NS_ENABLE_TSF
AssociateIMEContext(aWindow, true);
@@ -481,8 +481,10 @@ IMEHandler::SetInputContext(nsWindow* aWindow,
}
} else {
// Set at least InputScope even when TextStore is not available.
- SetInputScopeForIMM32(aWindow, aInputContext.mHTMLInputType,
- aInputContext.mHTMLInputInputmode);
+ SetInputScopeForIMM32(aWindow,
+ aInputContext.mHTMLInputType,
+ aInputContext.mHTMLInputInputmode,
+ aInputContext.mInPrivateBrowsing);
}
#endif // #ifdef NS_ENABLE_TSF
@@ -583,12 +585,18 @@ IMEHandler::OnKeyboardLayoutChanged()
void
IMEHandler::SetInputScopeForIMM32(nsWindow* aWindow,
const nsAString& aHTMLInputType,
- const nsAString& aHTMLInputInputmode)
+ const nsAString& aHTMLInputInputmode,
+ bool aInPrivateBrowsing)
{
if (sIsInTSFMode || !sSetInputScopes || aWindow->Destroyed()) {
return;
}
AutoTArray<InputScope, 3> scopes;
+
+ if (aInPrivateBrowsing) {
+ scopes.AppendElement(IS_PRIVATE);
+ }
+
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html
if (aHTMLInputType.IsEmpty() || aHTMLInputType.EqualsLiteral("text")) {
if (aHTMLInputInputmode.EqualsLiteral("url")) {
diff --git a/widget/windows/WinIMEHandler.h b/widget/windows/WinIMEHandler.h
index c18a4437e..c836e8626 100644
--- a/widget/windows/WinIMEHandler.h
+++ b/widget/windows/WinIMEHandler.h
@@ -144,7 +144,8 @@ private:
static decltype(SetInputScopes)* sSetInputScopes;
static void SetInputScopeForIMM32(nsWindow* aWindow,
const nsAString& aHTMLInputType,
- const nsAString& aHTMLInputInputmode);
+ const nsAString& aHTMLInputInputmode,
+ bool aInPrivateBrowsing);
static bool sIsInTSFMode;
// If sIMMEnabled is false, any IME messages are not handled in TSF mode.
// Additionally, IME context is always disassociated from focused window.