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author | John Reck <jreck@google.com> | 2012-02-13 09:26:06 -0800 |
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committer | John Reck <jreck@google.com> | 2012-02-23 13:38:21 -0800 |
commit | 773979f92560dd1aead375c82fd75b584a141e5d (patch) | |
tree | 21b1b0aa26606a35493aad883559b55607ab8603 /Source/WebCore/editing | |
parent | b7db22cf52aade90ac9d1fb8eb2f2bf37b711b13 (diff) | |
download | external_webkit-773979f92560dd1aead375c82fd75b584a141e5d.zip external_webkit-773979f92560dd1aead375c82fd75b584a141e5d.tar.gz external_webkit-773979f92560dd1aead375c82fd75b584a141e5d.tar.bz2 |
Support address detection
Change-Id: I88b6ebfb4c967e954a2420592a58af3ed188226d
Diffstat (limited to 'Source/WebCore/editing')
-rw-r--r-- | Source/WebCore/editing/TextIterator.cpp | 71 | ||||
-rw-r--r-- | Source/WebCore/editing/TextIterator.h | 22 |
2 files changed, 90 insertions, 3 deletions
diff --git a/Source/WebCore/editing/TextIterator.cpp b/Source/WebCore/editing/TextIterator.cpp index c3be277..3aa68af 100644 --- a/Source/WebCore/editing/TextIterator.cpp +++ b/Source/WebCore/editing/TextIterator.cpp @@ -239,6 +239,20 @@ static void setUpFullyClippedStack(BitStack& stack, Node* node) ASSERT(stack.size() == 1 + depthCrossingShadowBoundaries(node)); } +#if OS(ANDROID) +static bool checkFormControlElement(Node* startNode) +{ + Node* node = startNode; + while (node) { + if (node->isElementNode() && static_cast<Element*>(node)->isFormControlElement()) + return true; + node = node->parentNode(); + } + return false; +} +#endif + + // -------- TextIterator::TextIterator() @@ -258,6 +272,10 @@ TextIterator::TextIterator() , m_handledFirstLetter(false) , m_ignoresStyleVisibility(false) , m_emitsObjectReplacementCharacters(false) +#if OS(ANDROID) + , m_stopsOnFormControls(false) + , m_shouldStop(false) +#endif { } @@ -277,6 +295,10 @@ TextIterator::TextIterator(const Range* r, TextIteratorBehavior behavior) , m_handledFirstLetter(false) , m_ignoresStyleVisibility(behavior & TextIteratorIgnoresStyleVisibility) , m_emitsObjectReplacementCharacters(behavior & TextIteratorEmitsObjectReplacementCharacters) +#if OS(ANDROID) + , m_stopsOnFormControls(behavior & TextIteratorStopsOnFormControls) + , m_shouldStop(false) +#endif { if (!r) return; @@ -334,8 +356,21 @@ TextIterator::~TextIterator() { } +bool TextIterator::atEnd() const +{ +#if OS(ANDROID) + return !m_positionNode || m_shouldStop; +#else + return !m_positionNode; +#endif +} + void TextIterator::advance() { +#if OS(ANDROID) + if (m_shouldStop) + return; +#endif // reset the run information m_positionNode = 0; m_textLength = 0; @@ -368,6 +403,10 @@ void TextIterator::advance() } while (m_node && m_node != m_pastEndNode) { +#if OS(ANDROID) + if (!m_shouldStop && m_stopsOnFormControls && checkFormControlElement(m_node)) + m_shouldStop = true; +#endif // if the range ends at offset 0 of an element, represent the // position, but not the content, of that element e.g. if the // node is a blockflow element, emit a newline that @@ -1034,6 +1073,10 @@ SimplifiedBackwardsTextIterator::SimplifiedBackwardsTextIterator() : m_behavior(TextIteratorDefaultBehavior) , m_node(0) , m_positionNode(0) +#if OS(ANDROID) + , m_stopsOnFormControls(false) + , m_shouldStop(false) +#endif { } @@ -1041,8 +1084,16 @@ SimplifiedBackwardsTextIterator::SimplifiedBackwardsTextIterator(const Range* r, : m_behavior(behavior) , m_node(0) , m_positionNode(0) +#if OS(ANDROID) + , m_stopsOnFormControls(behavior & TextIteratorStopsOnFormControls) + , m_shouldStop(false) +#endif { +#if OS(ANDROID) + ASSERT(m_behavior == TextIteratorDefaultBehavior || m_behavior == TextIteratorStopsOnFormControls); +#else ASSERT(m_behavior == TextIteratorDefaultBehavior); +#endif if (!r) return; @@ -1091,10 +1142,30 @@ SimplifiedBackwardsTextIterator::SimplifiedBackwardsTextIterator(const Range* r, advance(); } +bool SimplifiedBackwardsTextIterator::atEnd() const +{ +#if OS(ANDROID) + return !m_positionNode || m_shouldStop; +#else + return !m_positionNode; +#endif +} + void SimplifiedBackwardsTextIterator::advance() { ASSERT(m_positionNode); +#if OS(ANDROID) + if (m_shouldStop) + return; + + // Prevent changing the iterator position if a form control element was found and advance should stop on it. + if (m_stopsOnFormControls && checkFormControlElement(m_node)) { + m_shouldStop = true; + return; + } +#endif + m_positionNode = 0; m_textLength = 0; diff --git a/Source/WebCore/editing/TextIterator.h b/Source/WebCore/editing/TextIterator.h index 9fe4ceb..c4fc264 100644 --- a/Source/WebCore/editing/TextIterator.h +++ b/Source/WebCore/editing/TextIterator.h @@ -42,7 +42,10 @@ enum TextIteratorBehavior { TextIteratorEntersTextControls = 1 << 1, TextIteratorEmitsTextsWithoutTranscoding = 1 << 2, TextIteratorIgnoresStyleVisibility = 1 << 3, - TextIteratorEmitsObjectReplacementCharacters = 1 << 4 + TextIteratorEmitsObjectReplacementCharacters = 1 << 4, +#if OS(ANDROID) + TextIteratorStopsOnFormControls = 1 << 6 +#endif }; // FIXME: Can't really answer this question correctly without knowing the white-space mode. @@ -88,7 +91,7 @@ public: ~TextIterator(); explicit TextIterator(const Range*, TextIteratorBehavior = TextIteratorDefaultBehavior); - bool atEnd() const { return !m_positionNode; } + bool atEnd() const; void advance(); int length() const { return m_textLength; } @@ -182,6 +185,12 @@ private: bool m_ignoresStyleVisibility; // Used when emitting the special 0xFFFC character is required. bool m_emitsObjectReplacementCharacters; +#if OS(ANDROID) + // Used when the iteration should stop if form controls are reached. + bool m_stopsOnFormControls; + // Used when m_stopsOnFormControls is set to determine if the iterator should keep advancing. + bool m_shouldStop; +#endif }; // Iterates through the DOM range, returning all the text, and 0-length boundaries @@ -192,7 +201,7 @@ public: SimplifiedBackwardsTextIterator(); explicit SimplifiedBackwardsTextIterator(const Range*, TextIteratorBehavior = TextIteratorDefaultBehavior); - bool atEnd() const { return !m_positionNode; } + bool atEnd() const; void advance(); int length() const { return m_textLength; } @@ -240,6 +249,13 @@ private: // Whether m_node has advanced beyond the iteration range (i.e. m_startNode). bool m_havePassedStartNode; + +#if OS(ANDROID) + // Used when the iteration should stop if form controls are reached. + bool m_stopsOnFormControls; + // Used when m_stopsOnFormControls is set to determine if the iterator should keep advancing. + bool m_shouldStop; +#endif }; // Builds on the text iterator, adding a character position so we can walk one |