MD History: Remove isFirstItem property from history-item
This property can be replaced with padding at the top of <history-list>,
which simplifies the code and should have a minor performance
improvement.
BUG=425625
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
Review-Url: https://codereview.chromium.org/2333163002
Cr-Commit-Position: refs/heads/master@{#419101}
diff --git a/chrome/browser/resources/md_history/app.crisper.js b/chrome/browser/resources/md_history/app.crisper.js
index b1425c6..8ae2931 100644
--- a/chrome/browser/resources/md_history/app.crisper.js
+++ b/chrome/browser/resources/md_history/app.crisper.js
@@ -6705,10 +6705,6 @@
type: Boolean,
reflectToAttribute: true
},
- isFirstItem: {
- type: Boolean,
- reflectToAttribute: true
- },
isCardStart: {
type: Boolean,
reflectToAttribute: true
@@ -8052,9 +8048,6 @@
if (length == 0 || i > length - 1) return false;
return i == length - 1 || this.historyData_[i].dateRelativeDay != this.historyData_[i + 1].dateRelativeDay;
},
- isFirstItem_: function(index) {
- return index == 0;
- },
notifyListScroll_: function() {
this.fire('history-list-scrolled');
},
diff --git a/chrome/browser/resources/md_history/app.vulcanized.html b/chrome/browser/resources/md_history/app.vulcanized.html
index f5584ebc..38e708e 100644
--- a/chrome/browser/resources/md_history/app.vulcanized.html
+++ b/chrome/browser/resources/md_history/app.vulcanized.html
@@ -3706,10 +3706,6 @@
margin: var(--card-sizing_-_margin); max-width: var(--card-sizing_-_max-width); min-width: var(--card-sizing_-_min-width); padding: var(--card-sizing_-_padding); width: var(--card-sizing_-_width);
}
-:host([is-first-item]) #main-container {
- margin-top: var(--first-card-padding-top);
-}
-
:host([is-card-end]) #main-container {
margin-bottom: var(--card-padding-between);
}
@@ -4233,8 +4229,10 @@
}
:host {
- display: block;
+ box-sizing: border-box;
+ display: block;
overflow: auto;
+ padding-top: var(--first-card-padding-top);
}
history-item {
@@ -4247,7 +4245,7 @@
</div>
<iron-list items="{{historyData_}}" as="item" id="infinite-list" hidden$="[[!hasResults(historyData_.length)]]">
<template>
- <history-item item="[[item]]" selected="{{item.selected}}" is-first-item="[[isFirstItem_(index)]]" is-card-start="[[isCardStart_(item, index, historyData_.length)]]" is-card-end="[[isCardEnd_(item, index, historyData_.length)]]" has-time-gap="[[needsTimeGap_(item, index, historyData_.length)]]" search-term="[[searchedTerm]]" number-of-items="[[historyData_.length]]" path="[[pathForItem_(index)]]" index="[[index]]">
+ <history-item item="[[item]]" selected="{{item.selected}}" is-card-start="[[isCardStart_(item, index, historyData_.length)]]" is-card-end="[[isCardEnd_(item, index, historyData_.length)]]" has-time-gap="[[needsTimeGap_(item, index, historyData_.length)]]" search-term="[[searchedTerm]]" number-of-items="[[historyData_.length]]" path="[[pathForItem_(index)]]" index="[[index]]">
</history-item>
</template>
</iron-list>
diff --git a/chrome/browser/resources/md_history/history_item.html b/chrome/browser/resources/md_history/history_item.html
index a0ea899..9b653e8 100644
--- a/chrome/browser/resources/md_history/history_item.html
+++ b/chrome/browser/resources/md_history/history_item.html
@@ -27,10 +27,6 @@
@apply(--card-sizing);
}
- :host([is-first-item]) #main-container {
- margin-top: var(--first-card-padding-top);
- }
-
:host([is-card-end]) #main-container {
margin-bottom: var(--card-padding-between);
}
diff --git a/chrome/browser/resources/md_history/history_item.js b/chrome/browser/resources/md_history/history_item.js
index 3a88c44..e7bc2da 100644
--- a/chrome/browser/resources/md_history/history_item.js
+++ b/chrome/browser/resources/md_history/history_item.js
@@ -16,8 +16,6 @@
selected: {type: Boolean, reflectToAttribute: true},
- isFirstItem: {type: Boolean, reflectToAttribute: true},
-
isCardStart: {type: Boolean, reflectToAttribute: true},
isCardEnd: {type: Boolean, reflectToAttribute: true},
diff --git a/chrome/browser/resources/md_history/history_list.html b/chrome/browser/resources/md_history/history_list.html
index fe68b546..7947550f 100644
--- a/chrome/browser/resources/md_history/history_list.html
+++ b/chrome/browser/resources/md_history/history_list.html
@@ -10,8 +10,10 @@
<template>
<style include="shared-style">
:host {
+ box-sizing: border-box;
display: block;
overflow: auto;
+ padding-top: var(--first-card-padding-top);
}
history-item {
@@ -27,7 +29,6 @@
<template>
<history-item item="[[item]]"
selected="{{item.selected}}"
- is-first-item="[[isFirstItem_(index)]]"
is-card-start="[[isCardStart_(item, index, historyData_.length)]]"
is-card-end="[[isCardEnd_(item, index, historyData_.length)]]"
has-time-gap="[[needsTimeGap_(item, index, historyData_.length)]]"
diff --git a/chrome/browser/resources/md_history/history_list.js b/chrome/browser/resources/md_history/history_list.js
index 1ab8a7a..0711bf2d 100644
--- a/chrome/browser/resources/md_history/history_list.js
+++ b/chrome/browser/resources/md_history/history_list.js
@@ -153,15 +153,6 @@
},
/**
- * @param {number} index
- * @return {boolean}
- * @private
- */
- isFirstItem_: function(index) {
- return index == 0;
- },
-
- /**
* @private
*/
notifyListScroll_: function() {