| <!DOCTYPE html> |
| <script src='../resources/testharness.js'></script> |
| <script src='../resources/testharnessreport.js'></script> |
| <script src='resources/shadow-dom.js'></script> |
| <style> |
| .container { position: relative; } |
| </style> |
| |
| <!-- |
| When both the context object and the real offset parent is in the same |
| node tree, offsetParent doesn't perform any adjustment. |
| --> |
| <div id='host_open0'> |
| <template data-mode='open' data-expose-as='root_open0'> |
| <div id='container' style='position: relative;'> |
| <div id='inner_node'>X</div> |
| </div> |
| </template> |
| </div> |
| |
| <div id='host_closed0'> |
| <template data-mode='closed' data-expose-as='root_closed0'> |
| <div id='container' style='position: relative;'> |
| <div id='inner_node'>X</div> |
| </div> |
| </template> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_open0); |
| let container = root_open0.querySelector('#container'); |
| let inner_node = root_open0.querySelector('#inner_node'); |
| assert_equals(inner_node.offsetParent, container); |
| }, 'offsetParent should return node in the same node tree in open shadow root.'); |
| |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_closed0); |
| let container = root_closed0.querySelector('#container'); |
| let inner_node = root_closed0.querySelector('#inner_node'); |
| assert_equals(inner_node.offsetParent, container); |
| }, 'offsetParent should return node in the same node tree in closed shadow root.'); |
| </script> |
| |
| <!-- |
| Even when the real offsetParent is in a closed shadow tree, |
| if it is unclosed to the context object, that parent should be returned. |
| --> |
| <div id='host_open1'> |
| <template data-mode='open' data-expose-as='root_open1'> |
| <div id='inner_host' style='position: relative'> |
| <template data-mode='closed' data-expose-as='root_closed_inner1'> |
| <div id='inner_node'>X</div> |
| </template> |
| </div> |
| </template> |
| </div> |
| |
| <div id='host_closed1'> |
| <template data-mode='closed' data-expose-as='root_closed1'> |
| <div id='inner_host' style='position: relative;'> |
| <template data-mode='open' data-expose-as='root_open_inner1'> |
| <div id='inner_node'>X</div> |
| </template> |
| </div> |
| </template> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_open1); |
| let inner_host = root_open1.querySelector('#inner_host'); |
| let inner_node = root_closed_inner1.querySelector('#inner_node'); |
| assert_equals(inner_node.offsetParent, inner_host); |
| }, 'offsetParent should return an unclosed node in a open shadow from closed shadow.'); |
| |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_closed1); |
| let inner_host = root_closed1.querySelector('#inner_host'); |
| let inner_node = root_open_inner1.querySelector('#inner_node'); |
| assert_equals(inner_node.offsetParent, inner_host); |
| }, 'offsetParent should return an unclosed node in a closed shadow from open shadow.'); |
| </script> |
| |
| <!-- |
| #host_open2 and #host_closed2 have the same structure, and #target_open2 / |
| #target_closed2 are slotted into each shadow slot, then real offsetParent would |
| be in the shadow. For the closed shadow, such element should not leak to the |
| light DOM, so it is adjusted to the nearest unclosed offsetParent. |
| |
| See also |
| https://github.com/w3c/webcomponents/issues/497 |
| https://github.com/w3c/csswg-drafts/issues/159 |
| --> |
| <div id='host_open2' class='container'> |
| <template data-mode='open' data-expose-as='root_open2'> |
| <div id='container_open' style='position: relative;'> |
| <slot name='x'></slot> |
| </div> |
| </template> |
| <span id='target_open2' slot='x'>X</span> |
| </div> |
| |
| <div id='host_closed2' class='container'> |
| <template data-mode='closed' data-expose-as='root_closed2'> |
| <div id='container_closed' style='position: relative;'> |
| <slot name='x'></slot> |
| </div> |
| </template> |
| <span id='target_closed2' slot='x'>X</span> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_open2); |
| convertTemplatesToShadowRootsWithin(host_closed2); |
| |
| assert_equals(target_open2.offsetParent.id, 'container_open'); |
| assert_equals(target_closed2.offsetParent.id, 'host_closed2'); |
| }, 'offsetParent should return an unclosed node.'); |
| </script> |
| |
| <!-- |
| Check if offsetParent can properly traverse up to find unclosed node. |
| In the following example, #target_closed3 will distributed to slot y, |
| but its offsetParent should neither return #inner_node nor #inner_host. |
| --> |
| <div id='host_closed3' class='container'> |
| <template data-mode='closed' data-expose-as='root_closed3'> |
| <div id='inner_host' style='position: relative;'> |
| <template data-mode='closed' data-expose-as='root_closed_inner3'> |
| <div id='inner_node' style='position: relative;'> |
| <slot name='y'></slot> |
| </div> |
| </template> |
| <slot name='x' slot='y'></slot> |
| </div> |
| </template> |
| <span id='target_closed3' slot='x'>X</span> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_closed3); |
| let slot_y = root_closed_inner3.querySelector('slot[name=y]'); |
| assert_array_equals(slot_y.assignedNodes({flatten: true}), [target_closed3]); |
| assert_equals(target_closed3.offsetParent.id, 'host_closed3'); |
| }, 'offsetParent should skip any non-unclosed nodes.'); |
| </script> |
| |
| <!-- |
| Yet another test case if the check for unclosed node is working as expected. |
| inner_node.offsetParent should neither return #host_closed4 (unclosed, but its |
| position is static) nor #host_open4 (as #container is the closer unclosed parent). |
| As #container is unclosed to #inner_node, inner_node.offsetParent should return |
| #container. |
| --> |
| <div id='host_open4' class='container'> |
| <template data-mode='open' data-expose-as='root_open4'> |
| <div id='container' style='position: relative;'> |
| <slot name='x'></slot> |
| </div> |
| </template> |
| <div id='host_closed4' slot='x'> |
| <template data-mode='closed' data-expose-as='root_closed4'> |
| <div id='inner_node'>X</div> |
| </template> |
| </div> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_open4); |
| let container = root_open4.querySelector('#container'); |
| let inner_node = root_closed4.querySelector('#inner_node'); |
| assert_equals(inner_node.offsetParent, container); |
| }, 'offsetParent should return node in the open shadow root because it is unclosed.'); |
| </script> |
| |
| <!-- |
| Quoted from https://github.com/w3c/csswg-drafts/issues/159 |
| When the real offsetParent is 'position: fixed' but not unclosed, do not traverse up to |
| find unclosed ancestor, but should return null. If it is unclosed, return it. |
| --> |
| <div id='host_closed5'> |
| <template data-mode='closed'> |
| <div id='container' style='position: fixed;'> |
| <slot name='x'></slot> |
| </div> |
| </template> |
| <div id='inner_node5' slot='x'>X</div> |
| </div> |
| |
| <div id='host_open5'> |
| <template data-mode='open'> |
| <div id='container' style='position: fixed;'> |
| <slot name='x'></slot> |
| </div> |
| </template> |
| <div id='inner_node5_open' slot='x'>X</div> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_closed5); |
| assert_equals(inner_node5.offsetParent, null); |
| |
| convertTemplatesToShadowRootsWithin(host_open5); |
| let container = host_open5.shadowRoot.querySelector('#container'); |
| assert_equals(inner_node5_open.offsetParent, container); |
| }, 'offsetParent should return null in case position:fixed offsetParent is not unclosed.'); |
| </script> |
| |
| <!-- |
| Check if all position: static elements are properly skipped in searching offsetParent. |
| --> |
| <div id='host_open6'> |
| <template data-mode='open' data-expose-as='root_open6'> |
| <div id='static1'> |
| <div id='relative' style='position: relative;'> |
| <div id='static2'> |
| <template data-mode='open'> |
| <div id='inner-static'> |
| <slot name='y'></slot> |
| </div> |
| </template> |
| <slot name='x' slot='y'></slot> |
| </div> |
| </div> |
| </div> |
| </template> |
| <div id='lightdom-static' slot='x'> |
| <div id='inner_node6'>X</div> |
| </div> |
| </div> |
| |
| <script> |
| test(() => { |
| convertTemplatesToShadowRootsWithin(host_open6); |
| assert_not_equals(inner_node6.offsetParent, null); |
| let relative = root_open6.querySelector('#relative'); |
| assert_equals(inner_node6.offsetParent, relative); |
| }, 'All position:static elements should be skipped for offsetParent.'); |
| </script> |