LayoutTests/compositing/overflow/build-paint-order-list-where-opt-in-decisions-can-affect-each-other.html - Issue 14858004: Clean up the way layout tests force elements to opt in/out of composited scrolling.

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Issue 14858004: Clean up the way layout tests force elements to opt in/out of composited scrolling. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: . Created 7 years, 7 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2	2

3 <html><head>	3 <html><head>

4 <style>	4 <style>

5 .filler {	5 .filler {

6 background-color: #CC9900;	6 background-color: #CC9900;

7 border-style: solid;	7 border-style: solid;

8 border-width: 1px;	8 border-width: 1px;

9 width: 400px;	9 width: 400px;

10 height: 100px;	10 height: 100px;

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107 // first force the element not to promote, then compute its paint and	107 // first force the element not to promote, then compute its paint and

108 // stacking order lists. We then force the element to opt in, and	108 // stacking order lists. We then force the element to opt in, and

109 // generate the paint and stacking order lists after opt-in.	109 // generate the paint and stacking order lists after opt-in.

110 //	110 //

111 // The paint order lists should exactly match the stacking order lists	111 // The paint order lists should exactly match the stacking order lists

112 // (modulo children that fall outside of the hit-testing area	112 // (modulo children that fall outside of the hit-testing area

113 // on-screen), both before and after promotion.	113 // on-screen), both before and after promotion.

114 parentscrollinglayer.style.webkitTransform = 'translateZ(0px)';	114 parentscrollinglayer.style.webkitTransform = 'translateZ(0px)';

115 document.body.offsetTop;	115 document.body.offsetTop;

116	116

117 window.internals.settings.setAcceleratedCompositingForOverflowScrollEnab led(false);	117 window.internals.setNeedsCompositedScrolling(parentscrollinglayer,

	118 window.internals.ForceCompositedScrollingOn);

118 parentscrollinglayer.style.webkitTransform = '';	119 parentscrollinglayer.style.webkitTransform = '';

119	120

120 var oldStackingOrder = getStackingOrder();	121 var oldStackingOrder = getStackingOrder();

121 var oldPaintOrder = getPaintOrder(childscrollinglayer);	122 var oldPaintOrder = getPaintOrder(childscrollinglayer);

122	123

123 window.internals.settings.setAcceleratedCompositingForOverflowScrollEnab led(true);	124 window.internals.setNeedsCompositedScrolling(parentscrollinglayer,

	125 window.internals.ForceCompositedScrollingOff);

124 parentscrollinglayer.style.webkitTransform = 'translateZ(0px)';	126 parentscrollinglayer.style.webkitTransform = 'translateZ(0px)';

125	127

126 var newStackingOrder = getStackingOrder();	128 var newStackingOrder = getStackingOrder();

127 var newPaintOrder = getPaintOrder(childscrollinglayer);	129 var newPaintOrder = getPaintOrder(childscrollinglayer);

128	130

	131 window.internals.setNeedsCompositedScrolling(parentscrollinglayer,

	132 window.internals.DoNotForceCompositedScrolling);

	133

129 // The getPaintOrder() function should return a pair of paint orders.	134 // The getPaintOrder() function should return a pair of paint orders.

130 // One before promotion and one after. This pair of lists should remain	135 // One before promotion and one after. This pair of lists should remain

131 // identical whether the element is actually currently promoted or not,	136 // identical whether the element is actually currently promoted or not,

132 // its purpose is to generate hypothetical pre- and post-lists to	137 // its purpose is to generate hypothetical pre- and post-lists to

133 // determine if the element is promotable.	138 // determine if the element is promotable.

134 if (!comparePaintOrderLists(oldPaintOrder, newPaintOrder)) {	139 if (!comparePaintOrderLists(oldPaintOrder, newPaintOrder)) {

135 failure = true;	140 failure = true;

136 write("FAIL - paint order lists not identical before/after promotion") ;	141 write("FAIL - paint order lists not identical before/after promotion") ;

137 }	142 }

138	143

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175 <div class="filler"></div>	180 <div class="filler"></div>

176 <div class="filler"></div>	181 <div class="filler"></div>

177 </div>	182 </div>

178 <div id="fillerchild1" class="filler negativechild"></div>	183 <div id="fillerchild1" class="filler negativechild"></div>

179 <div id="fillerchild2" class="filler negativechild"></div>	184 <div id="fillerchild2" class="filler negativechild"></div>

180 <div id="fillerchild3" class="filler negativechild"></div>	185 <div id="fillerchild3" class="filler negativechild"></div>

181 <div id="fillerchild4" class="filler negativechild"></div>	186 <div id="fillerchild4" class="filler negativechild"></div>

182 <pre id="console"></pre>	187 <pre id="console"></pre>

183 </body>	188 </body>

184 </html>	189 </html>

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