Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 418 insertions, 0 deletions

diff --git a/widget/IMEData.cpp b/widget/IMEData.cpp
new file mode 100644
index 0000000000..f9497a648d
--- /dev/null
+++ b/widget/IMEData.cpp
@@ -0,0 +1,418 @@
+/* -*- Mode: C++; tab-width: 40; 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 "IMEData.h"
+
+#include <sstream>
+
+#include "ContentData.h"
+#include "gfxFontUtils.h"
+#include "TextEvents.h"
+
+#include "mozilla/Maybe.h"
+#include "mozilla/ToString.h"
+#include "mozilla/WritingModes.h"
+
+#include "nsPrintfCString.h"
+#include "nsString.h"
+
+namespace mozilla {
+
+template PrintStringDetail::PrintStringDetail(
+    const Maybe<nsString>& aMaybeString, uint32_t aMaxLength);
+
+template <typename StringType>
+PrintStringDetail::PrintStringDetail(const Maybe<StringType>& aMaybeString,
+                                     uint32_t aMaxLength /* = UINT32_MAX */)
+    : PrintStringDetail(aMaybeString.refOr(EmptyString()), aMaxLength) {
+  if (aMaybeString.isNothing()) {
+    AssignASCII(ToString(aMaybeString).c_str());
+  }
+}
+
+PrintStringDetail::PrintStringDetail(const nsAString& aString,
+                                     uint32_t aMaxLength /* = UINT32_MAX */) {
+  Assign("\"");
+  const uint32_t kFirstHalf =
+      aString.Length() <= aMaxLength ? UINT32_MAX : (aMaxLength + 1) / 2;
+  const uint32_t kSecondHalf =
+      aString.Length() <= aMaxLength ? 0 : aMaxLength / 2;
+  for (uint32_t i = 0; i < aString.Length(); i++) {
+    if (i > 0) {
+      AppendLiteral(" ");
+    }
+    char32_t ch = aString.CharAt(i);
+    if (NS_IS_HIGH_SURROGATE(ch) && i + 1 < aString.Length() &&
+        NS_IS_LOW_SURROGATE(aString.CharAt(i + 1))) {
+      ch = SURROGATE_TO_UCS4(ch, aString.CharAt(i + 1));
+    }
+    Append(PrintCharData(ch));
+    if (i + 1 == kFirstHalf) {
+      AppendLiteral(" ...");
+      i = aString.Length() - kSecondHalf - 1;
+      if (NS_IS_LOW_SURROGATE(aString.CharAt(i)) &&
+          NS_IS_HIGH_SURROGATE(aString.CharAt(i - 1))) {
+        if (i - 1 <= kFirstHalf) {
+          i++;
+        } else {
+          i--;
+        }
+      }
+    } else if (!IS_IN_BMP(ch)) {
+      i++;
+    }
+  }
+  AppendLiteral("\" (Length()=");
+  AppendInt(static_cast<uint32_t>(aString.Length()));
+  AppendLiteral(")");
+}
+
+// static
+nsCString PrintStringDetail::PrintCharData(char32_t aChar) {
+  switch (aChar) {
+    case 0x0000:
+      return "NULL (0x0000)"_ns;
+    case 0x0008:
+      return "BACKSPACE (0x0008)"_ns;
+    case 0x0009:
+      return "CHARACTER TABULATION (0x0009)"_ns;
+    case 0x000A:
+      return "LINE FEED (0x000A)"_ns;
+    case 0x000B:
+      return "LINE TABULATION (0x000B)"_ns;
+    case 0x000C:
+      return "FORM FEED (0x000C)"_ns;
+    case 0x000D:
+      return "CARRIAGE RETURN (0x000D)"_ns;
+    case 0x0018:
+      return "CANCEL (0x0018)"_ns;
+    case 0x001B:
+      return "ESCAPE (0x001B)"_ns;
+    case 0x0020:
+      return "SPACE (0x0020)"_ns;
+    case 0x007F:
+      return "DELETE (0x007F)"_ns;
+    case 0x00A0:
+      return "NO-BREAK SPACE (0x00A0)"_ns;
+    case 0x00AD:
+      return "SOFT HYPHEN (0x00AD)"_ns;
+    case 0x2000:
+      return "EN QUAD (0x2000)"_ns;
+    case 0x2001:
+      return "EM QUAD (0x2001)"_ns;
+    case 0x2002:
+      return "EN SPACE (0x2002)"_ns;
+    case 0x2003:
+      return "EM SPACE (0x2003)"_ns;
+    case 0x2004:
+      return "THREE-PER-EM SPACE (0x2004)"_ns;
+    case 0x2005:
+      return "FOUR-PER-EM SPACE (0x2005)"_ns;
+    case 0x2006:
+      return "SIX-PER-EM SPACE (0x2006)"_ns;
+    case 0x2007:
+      return "FIGURE SPACE (0x2007)"_ns;
+    case 0x2008:
+      return "PUNCTUATION SPACE (0x2008)"_ns;
+    case 0x2009:
+      return "THIN SPACE (0x2009)"_ns;
+    case 0x200A:
+      return "HAIR SPACE (0x200A)"_ns;
+    case 0x200B:
+      return "ZERO WIDTH SPACE (0x200B)"_ns;
+    case 0x200C:
+      return "ZERO WIDTH NON-JOINER (0x200C)"_ns;
+    case 0x200D:
+      return "ZERO WIDTH JOINER (0x200D)"_ns;
+    case 0x200E:
+      return "LEFT-TO-RIGHT MARK (0x200E)"_ns;
+    case 0x200F:
+      return "RIGHT-TO-LEFT MARK (0x200F)"_ns;
+    case 0x2029:
+      return "PARAGRAPH SEPARATOR (0x2029)"_ns;
+    case 0x202A:
+      return "LEFT-TO-RIGHT EMBEDDING (0x202A)"_ns;
+    case 0x202B:
+      return "RIGHT-TO-LEFT EMBEDDING (0x202B)"_ns;
+    case 0x202D:
+      return "LEFT-TO-RIGHT OVERRIDE (0x202D)"_ns;
+    case 0x202E:
+      return "RIGHT-TO-LEFT OVERRIDE (0x202E)"_ns;
+    case 0x202F:
+      return "NARROW NO-BREAK SPACE (0x202F)"_ns;
+    case 0x205F:
+      return "MEDIUM MATHEMATICAL SPACE (0x205F)"_ns;
+    case 0x2060:
+      return "WORD JOINER (0x2060)"_ns;
+    case 0x2066:
+      return "LEFT-TO-RIGHT ISOLATE (0x2066)"_ns;
+    case 0x2067:
+      return "RIGHT-TO-LEFT ISOLATE (0x2067)"_ns;
+    case 0x3000:
+      return "IDEOGRAPHIC SPACE (0x3000)"_ns;
+    case 0xFEFF:
+      return "ZERO WIDTH NO-BREAK SPACE (0xFEFF)"_ns;
+    default: {
+      if (aChar < ' ' || (aChar >= 0x80 && aChar < 0xA0)) {
+        return nsPrintfCString("Control (0x%04X)", aChar);
+      }
+      if (NS_IS_HIGH_SURROGATE(aChar)) {
+        return nsPrintfCString("High Surrogate (0x%04X)", aChar);
+      }
+      if (NS_IS_LOW_SURROGATE(aChar)) {
+        return nsPrintfCString("Low Surrogate (0x%04X)", aChar);
+      }
+      if (gfxFontUtils::IsVarSelector(aChar)) {
+        return IS_IN_BMP(aChar)
+                   ? nsPrintfCString("Variant Selector (0x%04X)", aChar)
+                   : nsPrintfCString("Variant Selector (0x%08X)", aChar);
+      }
+      nsAutoString utf16Str;
+      AppendUCS4ToUTF16(aChar, utf16Str);
+      return IS_IN_BMP(aChar)
+                 ? nsPrintfCString("'%s' (0x%04X)",
+                                   NS_ConvertUTF16toUTF8(utf16Str).get(), aChar)
+                 : nsPrintfCString("'%s' (0x%08X)",
+                                   NS_ConvertUTF16toUTF8(utf16Str).get(),
+                                   aChar);
+    }
+  }
+}
+
+namespace widget {
+
+std::ostream& operator<<(std::ostream& aStream, const IMEEnabled& aEnabled) {
+  switch (aEnabled) {
+    case IMEEnabled::Disabled:
+      return aStream << "DISABLED";
+    case IMEEnabled::Enabled:
+      return aStream << "ENABLED";
+    case IMEEnabled::Password:
+      return aStream << "PASSWORD";
+    case IMEEnabled::Unknown:
+      return aStream << "illegal value";
+  }
+  MOZ_ASSERT_UNREACHABLE("Add a case to handle your new IMEEnabled value");
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream, const IMEState::Open& aOpen) {
+  switch (aOpen) {
+    case IMEState::DONT_CHANGE_OPEN_STATE:
+      aStream << "DONT_CHANGE_OPEN_STATE";
+      break;
+    case IMEState::OPEN:
+      aStream << "OPEN";
+      break;
+    case IMEState::CLOSED:
+      aStream << "CLOSED";
+      break;
+    default:
+      aStream << "illegal value";
+      break;
+  }
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream, const IMEState& aState) {
+  aStream << "{ mEnabled=" << aState.mEnabled << ", mOpen=" << aState.mOpen
+          << " }";
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream,
+                         const InputContext::Origin& aOrigin) {
+  switch (aOrigin) {
+    case InputContext::ORIGIN_MAIN:
+      aStream << "ORIGIN_MAIN";
+      break;
+    case InputContext::ORIGIN_CONTENT:
+      aStream << "ORIGIN_CONTENT";
+      break;
+    default:
+      aStream << "illegal value";
+      break;
+  }
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream, const InputContext& aContext) {
+  aStream << "{ mIMEState=" << aContext.mIMEState
+          << ", mOrigin=" << aContext.mOrigin << ", mHTMLInputType=\""
+          << aContext.mHTMLInputType << "\", mHTMLInputMode=\""
+          << aContext.mHTMLInputMode << "\", mActionHint=\""
+          << aContext.mActionHint << "\", mAutocapitalize=\""
+          << aContext.mAutocapitalize << "\", mIsPrivateBrowsing="
+          << (aContext.mInPrivateBrowsing ? "true" : "false") << " }";
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream,
+                         const InputContextAction::Cause& aCause) {
+  switch (aCause) {
+    case InputContextAction::CAUSE_UNKNOWN:
+      aStream << "CAUSE_UNKNOWN";
+      break;
+    case InputContextAction::CAUSE_UNKNOWN_CHROME:
+      aStream << "CAUSE_UNKNOWN_CHROME";
+      break;
+    case InputContextAction::CAUSE_KEY:
+      aStream << "CAUSE_KEY";
+      break;
+    case InputContextAction::CAUSE_MOUSE:
+      aStream << "CAUSE_MOUSE";
+      break;
+    case InputContextAction::CAUSE_TOUCH:
+      aStream << "CAUSE_TOUCH";
+      break;
+    case InputContextAction::CAUSE_LONGPRESS:
+      aStream << "CAUSE_LONGPRESS";
+      break;
+    case InputContextAction::CAUSE_UNKNOWN_DURING_NON_KEYBOARD_INPUT:
+      aStream << "CAUSE_UNKNOWN_DURING_NON_KEYBOARD_INPUT";
+      break;
+    case InputContextAction::CAUSE_UNKNOWN_DURING_KEYBOARD_INPUT:
+      aStream << "CAUSE_UNKNOWN_DURING_KEYBOARD_INPUT";
+      break;
+    default:
+      aStream << "illegal value";
+      break;
+  }
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream,
+                         const InputContextAction::FocusChange& aFocusChange) {
+  switch (aFocusChange) {
+    case InputContextAction::FOCUS_NOT_CHANGED:
+      aStream << "FOCUS_NOT_CHANGED";
+      break;
+    case InputContextAction::GOT_FOCUS:
+      aStream << "GOT_FOCUS";
+      break;
+    case InputContextAction::LOST_FOCUS:
+      aStream << "LOST_FOCUS";
+      break;
+    case InputContextAction::MENU_GOT_PSEUDO_FOCUS:
+      aStream << "MENU_GOT_PSEUDO_FOCUS";
+      break;
+    case InputContextAction::MENU_LOST_PSEUDO_FOCUS:
+      aStream << "MENU_LOST_PSEUDO_FOCUS";
+      break;
+    case InputContextAction::WIDGET_CREATED:
+      aStream << "WIDGET_CREATED";
+      break;
+    default:
+      aStream << "illegal value";
+      break;
+  }
+  return aStream;
+}
+
+std::ostream& operator<<(
+    std::ostream& aStream,
+    const IMENotification::SelectionChangeDataBase& aData) {
+  if (!aData.IsInitialized()) {
+    aStream << "{ IsInitialized()=false }";
+    return aStream;
+  }
+  if (!aData.HasRange()) {
+    aStream << "{ HasRange()=false }";
+    return aStream;
+  }
+  aStream << "{ mOffset=" << aData.mOffset;
+  if (aData.mString->Length() > 20) {
+    aStream << ", mString.Length()=" << aData.mString->Length();
+  } else {
+    aStream << ", mString=\"" << NS_ConvertUTF16toUTF8(*aData.mString)
+            << "\" (Length()=" << aData.mString->Length() << ")";
+  }
+
+  aStream << ", GetWritingMode()=" << aData.GetWritingMode()
+          << ", mReversed=" << (aData.mReversed ? "true" : "false")
+          << ", mCausedByComposition="
+          << (aData.mCausedByComposition ? "true" : "false")
+          << ", mCausedBySelectionEvent="
+          << (aData.mCausedBySelectionEvent ? "true" : "false")
+          << ", mOccurredDuringComposition="
+          << (aData.mOccurredDuringComposition ? "true" : "false") << " }";
+  return aStream;
+}
+
+std::ostream& operator<<(std::ostream& aStream,
+                         const IMENotification::TextChangeDataBase& aData) {
+  if (!aData.IsValid()) {
+    aStream << "{ IsValid()=false }";
+    return aStream;
+  }
+  aStream << "{ mStartOffset=" << aData.mStartOffset
+          << ", mRemoveEndOffset=" << aData.mRemovedEndOffset
+          << ", mAddedEndOffset=" << aData.mAddedEndOffset
+          << ", mCausedOnlyByComposition="
+          << (aData.mCausedOnlyByComposition ? "true" : "false")
+          << ", mIncludingChangesDuringComposition="
+          << (aData.mIncludingChangesDuringComposition ? "true" : "false")
+          << ", mIncludingChangesWithoutComposition="
+          << (aData.mIncludingChangesWithoutComposition ? "true" : "false")
+          << " }";
+  return aStream;
+}
+
+/******************************************************************************
+ * IMENotification::SelectionChangeDataBase
+ ******************************************************************************/
+
+void IMENotification::SelectionChangeDataBase::Assign(
+    const WidgetQueryContentEvent& aQuerySelectedTextEvent) {
+  MOZ_ASSERT(aQuerySelectedTextEvent.mMessage == eQuerySelectedText);
+  MOZ_ASSERT(aQuerySelectedTextEvent.Succeeded());
+
+  if (!(mIsInitialized = aQuerySelectedTextEvent.Succeeded())) {
+    ClearSelectionData();
+    return;
+  }
+  if ((mHasRange = aQuerySelectedTextEvent.FoundSelection())) {
+    mOffset = aQuerySelectedTextEvent.mReply->StartOffset();
+    *mString = aQuerySelectedTextEvent.mReply->DataRef();
+    mReversed = aQuerySelectedTextEvent.mReply->mReversed;
+    SetWritingMode(aQuerySelectedTextEvent.mReply->WritingModeRef());
+  } else {
+    mOffset = UINT32_MAX;
+    mString->Truncate();
+    mReversed = false;
+    // Let's keep the writing mode for avoiding temporarily changing the
+    // writing mode at no selection range.
+  }
+}
+
+void IMENotification::SelectionChangeDataBase::SetWritingMode(
+    const WritingMode& aWritingMode) {
+  mWritingModeBits = aWritingMode.GetBits();
+}
+
+WritingMode IMENotification::SelectionChangeDataBase::GetWritingMode() const {
+  return WritingMode(mWritingModeBits);
+}
+
+bool IMENotification::SelectionChangeDataBase::EqualsRange(
+    const ContentSelection& aContentSelection) const {
+  if (aContentSelection.HasRange() != HasRange()) {
+    return false;
+  }
+  if (!HasRange()) {
+    return true;
+  }
+  return mOffset == aContentSelection.OffsetAndDataRef().StartOffset() &&
+         *mString == aContentSelection.OffsetAndDataRef().DataRef();
+}
+
+bool IMENotification::SelectionChangeDataBase::EqualsRangeAndWritingMode(
+    const ContentSelection& aContentSelection) const {
+  return EqualsRange(aContentSelection) &&
+         mWritingModeBits == aContentSelection.WritingModeRef().GetBits();
+}
+
+}  // namespace widget
+}  // namespace mozilla