зеркало из https://github.com/mozilla/gecko-dev.git
Backed out changeset 1958ebae93cc for causing mochitest orange. a=backout
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ff27ba6ff2
Коммит
63186a7fc6
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@ -907,7 +907,7 @@ nsresult nsHyperTextAccessible::GetTextHelper(EGetTextType aType, nsAccessibleTe
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PRBool needsStart = PR_FALSE;
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switch (aBoundaryType) {
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case BOUNDARY_CHAR:
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amount = eSelectCluster;
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amount = eSelectCharacter;
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if (aType == eGetAt)
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aType = eGetAfter; // Avoid returning 2 characters
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break;
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@ -14,15 +14,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=332636
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=332636">Mozilla Bug 332636</a>
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<p id="display"></p>
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<div id="content">
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<div id="edit0" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
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<div id="edit1" contenteditable="true">äb</div><!-- reference: plane 0 diacritic -->
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<div id="edit2" contenteditable="true">a𐐀b</div><!-- plane 1 base character -->
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<div id="edit3" contenteditable="true">a𐨏b</div><!-- plane 1 diacritic -->
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<div id="edit0b" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
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<div id="edit1b" contenteditable="true">äb</div><!-- reference: plane 0 diacritic -->
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<div id="edit2b" contenteditable="true">a𐐀b</div><!-- plane 1 base character -->
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<div id="edit3b" contenteditable="true">a𐨏b</div><!-- plane 1 diacritic -->
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<div id="edit" contenteditable="true">a𐐀b</div>
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<div id="edit2" contenteditable="true">a𐨏b</div>
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</div>
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<pre id="test">
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<script type="application/javascript">
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@ -40,33 +33,9 @@ function test(edit) {
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is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
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}
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function testWithMove(edit, offset) {
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edit.focus();
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var sel = window.getSelection();
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sel.collapse(edit.childNodes[0], 0);
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var i;
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for (i = 0; i < offset; ++i) {
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synthesizeKey("VK_RIGHT", {});
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synthesizeKey("VK_LEFT", {});
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synthesizeKey("VK_RIGHT", {});
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}
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synthesizeKey("VK_BACK_SPACE", {});
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is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
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}
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function runTest() {
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/* test backspace-deletion of the middle character */
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test(document.getElementById("edit0"));
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test(document.getElementById("edit1"));
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test(document.getElementById("edit"));
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test(document.getElementById("edit2"));
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test(document.getElementById("edit3"));
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/* extra tests with the use of RIGHT and LEFT to get to the right place */
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testWithMove(document.getElementById("edit0b"), 2);
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testWithMove(document.getElementById("edit1b"), 1);
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testWithMove(document.getElementById("edit2b"), 2);
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testWithMove(document.getElementById("edit3b"), 1);
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SimpleTest.finish();
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}
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@ -69,8 +69,7 @@ public:
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virtual ContentOffsets CalcContentOffsetsFromFramePoint(nsPoint aPoint);
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virtual PRBool PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetWord(PRBool aForward, PRBool aWordSelectEatSpace, PRBool aIsKeyboardSelect,
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PRInt32* aOffset, PeekWordState* aState);
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@ -275,8 +274,7 @@ BRFrame::PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset)
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}
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PRBool
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BRFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters)
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BRFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset)
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{
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NS_ASSERTION (aOffset && *aOffset <= 1, "aOffset out of range");
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// Keep going. The actual line jumping will stop us.
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@ -397,8 +397,7 @@ nsContainerFrame::PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset)
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}
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PRBool
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nsContainerFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters)
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nsContainerFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset)
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{
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NS_ASSERTION (aOffset && *aOffset <= 1, "aOffset out of range");
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// Don't allow the caret to stay in an empty (leaf) container frame.
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@ -98,8 +98,7 @@ public:
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virtual PRBool IsLeaf() const;
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virtual PRBool PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset);
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#ifdef DEBUG
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NS_IMETHOD List(FILE* out, PRInt32 aIndent) const;
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@ -5404,7 +5404,6 @@ nsIFrame::PeekOffset(nsPeekOffsetStruct* aPos)
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switch (aPos->mAmount) {
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case eSelectCharacter:
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case eSelectCluster:
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{
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PRBool eatingNonRenderableWS = PR_FALSE;
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PRBool done = PR_FALSE;
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@ -5417,8 +5416,7 @@ nsIFrame::PeekOffset(nsPeekOffsetStruct* aPos)
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if (eatingNonRenderableWS)
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done = current->PeekOffsetNoAmount(movingInFrameDirection, &offset);
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else
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done = current->PeekOffsetCharacter(movingInFrameDirection, &offset,
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aPos->mAmount == eSelectCluster);
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done = current->PeekOffsetCharacter(movingInFrameDirection, &offset);
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if (!done) {
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result =
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@ -5707,8 +5705,7 @@ nsFrame::PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset)
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}
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PRBool
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nsFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters)
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nsFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset)
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{
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NS_ASSERTION (aOffset && *aOffset <= 1, "aOffset out of range");
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PRInt32 startOffset = *aOffset;
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@ -238,8 +238,7 @@ public:
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NS_IMETHOD GetSelectionController(nsPresContext *aPresContext, nsISelectionController **aSelCon);
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virtual PRBool PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetWord(PRBool aForward, PRBool aWordSelectEatSpace, PRBool aIsKeyboardSelect,
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PRInt32* aOffset, PeekWordState *aState);
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/**
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@ -289,18 +289,13 @@ typedef PRUint64 nsFrameState;
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//----------------------------------------------------------------------
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enum nsSelectionAmount {
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eSelectCharacter = 0, // a single Unicode character;
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// do not use this (prefer Cluster) unless you
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// are really sure it's what you want
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eSelectCluster = 1, // a grapheme cluster: this is usually the right
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// choice for movement or selection by "character"
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// as perceived by the user
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eSelectWord = 2,
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eSelectLine = 3, // previous drawn line in flow.
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eSelectBeginLine = 4,
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eSelectEndLine = 5,
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eSelectNoAmount = 6, // just bounce back current offset.
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eSelectParagraph = 7 // select a "paragraph"
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eSelectCharacter = 0,
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eSelectWord = 1,
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eSelectLine = 2, //previous drawn line in flow.
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eSelectBeginLine = 3,
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eSelectEndLine = 4,
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eSelectNoAmount = 5, //just bounce back current offset.
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eSelectParagraph = 6 //select a "paragraph"
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};
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enum nsDirection {
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@ -2677,15 +2672,11 @@ protected:
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* @param aForward [in] Are we moving forward (or backward) in content order.
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* @param aOffset [in/out] At what offset into the frame to start looking.
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* on output - what offset was reached (whether or not we found a place to stop).
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* @param aRespectClusters [in] Whether to restrict result to valid cursor locations
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* (between grapheme clusters) - default TRUE maintains "normal" behavior,
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* FALSE is used for selection by "code unit" (instead of "character")
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* @return PR_TRUE: An appropriate offset was found within this frame,
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* and is given by aOffset.
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* PR_FALSE: Not found within this frame, need to try the next frame.
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*/
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE) = 0;
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset) = 0;
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/**
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* Search the frame for the next word boundary
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@ -166,8 +166,7 @@ nsInlineFrame::IsEmpty()
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}
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PRBool
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nsInlineFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters)
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nsInlineFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset)
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{
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// Override the implementation in nsFrame, to skip empty inline frames
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NS_ASSERTION (aOffset && *aOffset <= 1, "aOffset out of range");
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@ -97,8 +97,7 @@ public:
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virtual PRBool IsEmpty();
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virtual PRBool IsSelfEmpty();
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset);
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// nsIHTMLReflow overrides
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virtual void AddInlineMinWidth(nsIRenderingContext *aRenderingContext,
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@ -1247,7 +1247,7 @@ nsFrameSelection::MoveCaret(PRUint32 aKeycode,
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nsIFrame *theFrame;
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PRInt32 currentOffset, frameStart, frameEnd;
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if (aAmount >= eSelectCharacter && aAmount <= eSelectWord)
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if (aAmount == eSelectCharacter || aAmount == eSelectWord)
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{
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// For left/right, PeekOffset() sets pos.mResultFrame correctly, but does not set pos.mAttachForward,
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// so determine the hint here based on the result frame and offset:
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@ -2191,15 +2191,15 @@ nsresult
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nsFrameSelection::CharacterMove(PRBool aForward, PRBool aExtend)
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{
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if (aForward)
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_RIGHT, aExtend, eSelectCluster);
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_RIGHT,aExtend,eSelectCharacter);
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else
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_LEFT, aExtend, eSelectCluster);
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_LEFT,aExtend,eSelectCharacter);
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}
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nsresult
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nsFrameSelection::CharacterExtendForDelete()
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{
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_DELETE, PR_TRUE, eSelectCluster);
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return MoveCaret(nsIDOMKeyEvent::DOM_VK_DELETE, PR_TRUE, eSelectCharacter);
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}
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nsresult
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@ -5847,7 +5847,7 @@ nsTypedSelection::Modify(const nsAString& aAlter, const nsAString& aDirection,
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nsSelectionAmount amount;
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PRUint32 keycode;
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if (aGranularity.LowerCaseEqualsLiteral("character")) {
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amount = eSelectCluster;
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amount = eSelectCharacter;
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keycode = forward ? (PRUint32) nsIDOMKeyEvent::DOM_VK_RIGHT :
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(PRUint32) nsIDOMKeyEvent::DOM_VK_LEFT;
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}
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@ -169,8 +169,7 @@ public:
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SelectionType aType);
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virtual PRBool PeekOffsetNoAmount(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters = PR_TRUE);
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virtual PRBool PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset);
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virtual PRBool PeekOffsetWord(PRBool aForward, PRBool aWordSelectEatSpace, PRBool aIsKeyboardSelect,
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PRInt32* aOffset, PeekWordState* aState);
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@ -5580,35 +5580,19 @@ private:
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};
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static PRBool
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IsAcceptableCaretPosition(const gfxSkipCharsIterator& aIter,
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PRBool aRespectClusters,
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gfxTextRun* aTextRun,
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IsAcceptableCaretPosition(const gfxSkipCharsIterator& aIter, gfxTextRun* aTextRun,
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nsIFrame* aFrame)
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{
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if (aIter.IsOriginalCharSkipped())
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return PR_FALSE;
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PRUint32 index = aIter.GetSkippedOffset();
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if (aRespectClusters && !aTextRun->IsClusterStart(index))
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if (!aTextRun->IsClusterStart(index))
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return PR_FALSE;
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if (index > 0) {
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// Check whether the proposed position is in between the two halves of a
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// surrogate pair; if so, this is not a valid character boundary.
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// (In the case where we are respecting clusters, we won't actually get
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// this far because the low surrogate is also marked as non-clusterStart
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// so we'll return FALSE above.)
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// If the textrun is 8-bit it can't have any surrogates, so we only need
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// to check the actual characters if GetTextUnicode() returns non-null.
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const PRUnichar *txt = aTextRun->GetTextUnicode();
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if (txt && NS_IS_LOW_SURROGATE(txt[index]) &&
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NS_IS_HIGH_SURROGATE(txt[index-1]))
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return PR_FALSE;
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}
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return PR_TRUE;
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}
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PRBool
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nsTextFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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PRBool aRespectClusters)
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nsTextFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset)
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{
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PRInt32 contentLength = GetContentLength();
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NS_ASSERTION(aOffset && *aOffset <= contentLength, "aOffset out of range");
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@ -5633,7 +5617,7 @@ nsTextFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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for (PRInt32 i = NS_MIN(trimmed.GetEnd(), startOffset) - 1;
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i >= trimmed.mStart; --i) {
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iter.SetOriginalOffset(i);
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if (IsAcceptableCaretPosition(iter, aRespectClusters, mTextRun, this)) {
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if (IsAcceptableCaretPosition(iter, mTextRun, this)) {
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*aOffset = i - mContentOffset;
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return PR_TRUE;
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}
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@ -5650,7 +5634,7 @@ nsTextFrame::PeekOffsetCharacter(PRBool aForward, PRInt32* aOffset,
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for (PRInt32 i = startOffset + 1; i <= trimmed.GetEnd(); ++i) {
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iter.SetOriginalOffset(i);
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if (i == trimmed.GetEnd() ||
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IsAcceptableCaretPosition(iter, aRespectClusters, mTextRun, this)) {
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IsAcceptableCaretPosition(iter, mTextRun, this)) {
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*aOffset = i - mContentOffset;
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return PR_TRUE;
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}
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