[NewUI] Use tooltip for copy to clipboard helper text on main screen. (#3120)

* Use tooltip for display of helper text in wallet views copy to clipboard feature.

* Use react-tippy in wallet-view.js; center arrow tooltip throughout tooltip text change.

* Remove unnecessary tabIndex attribute from wallet view address element.

3 files changed, 19 insertions, 1 deletions

diff --git a/ui/app/css/itcss/components/index.scss b/ui/app/css/itcss/components/index.scss
index d1b9b6277..0219f9fb2 100644
--- a/ui/app/css/itcss/components/index.scss
+++ b/ui/app/css/itcss/components/index.scss
@@ -53,3 +53,5 @@
 @import './editable-label.scss';
 
 @import './new-account.scss';
+
+@import './tooltip.scss';
diff --git a/ui/app/css/itcss/components/newui-sections.scss b/ui/app/css/itcss/components/newui-sections.scss
index 1c26882b5..37fabf254 100644
--- a/ui/app/css/itcss/components/newui-sections.scss
+++ b/ui/app/css/itcss/components/newui-sections.scss
@@ -89,6 +89,12 @@ $wallet-view-bg: $alabaster;
     flex: 0 0 auto;
   }
 
+  &__tooltip {
+    display: flex;
+    justify-content: center;
+    padding: 24px;
+  }
+
   &__address {
     border-radius: 3px;
     background-color: $alto;
@@ -96,10 +102,13 @@ $wallet-view-bg: $alabaster;
     font-size: 14px;
     line-height: 12px;
     padding: 4px 12px;
-    margin: 24px auto;
     font-weight: 300;
     cursor: pointer;
     flex: 0 0 auto;
+
+    &__pressed {
+      background-color: $manatee,
+    }
   }
 
   &__sidebar-close {
diff --git a/ui/app/css/itcss/components/tooltip.scss b/ui/app/css/itcss/components/tooltip.scss
new file mode 100644
index 000000000..78325865e
--- /dev/null
+++ b/ui/app/css/itcss/components/tooltip.scss
@@ -0,0 +1,7 @@
+.metamask-tooltip {
+	padding: 5px !important;
+}
+
+// needed for react-tippy
+// copied from node_modules/react-tippy/dist/tippy.css
+.tippy-touch{cursor:pointer!important}.tippy-notransition{transition:none!important}.tippy-popper{max-width:400px;-webkit-perspective:800px;perspective:800px;z-index:9999;outline:0;transition-timing-function:cubic-bezier(.165,.84,.44,1);pointer-events:none}.tippy-popper.html-template{max-width:96%;max-width:calc(100% - 20px)}.tippy-popper[x-placement^=top] [x-arrow]{border-top:7px solid #333;border-right:7px solid transparent;border-left:7px solid transparent;bottom:-7px;margin:0 9px}.tippy-popper[x-placement^=top] [x-arrow].arrow-small{border-top:5px solid #333;border-right:5px solid transparent;border-left:5px solid transparent;bottom:-5px}.tippy-popper[x-placement^=top] [x-arrow].arrow-big{border-top:10px solid #333;border-right:10px solid transparent;border-left:10px solid transparent;bottom:-10px}.tippy-popper[x-placement^=top] [x-circle]{-webkit-transform-origin:0 33%;transform-origin:0 33%}.tippy-popper[x-placement^=top] [x-circle].enter{-webkit-transform:scale(1) translate(-50%,-55%);transform:scale(1) translate(-50%,-55%);opacity:1}.tippy-popper[x-placement^=top] [x-circle].leave{-webkit-transform:scale(.15) translate(-50%,-50%);transform:scale(.15) translate(-50%,-50%);opacity:0}.tippy-popper[x-placement^=top] .tippy-tooltip.light-theme [x-circle]{background-color:#fff}.tippy-popper[x-placement^=top] .tippy-tooltip.light-theme [x-arrow]{border-top:7px solid #fff;border-right:7px solid transparent;border-left:7px solid transparent}.tippy-popper[x-placement^=top] .tippy-tooltip.light-theme [x-arrow].arrow-small{border-top:5px solid #fff;border-right:5px solid transparent;border-left:5px solid transparent}.tippy-popper[x-placement^=top] .tippy-tooltip.light-theme [x-arrow].arrow-big{border-top:10px solid #fff;border-right:10px solid transparent;border-left:10px solid transparent}.tippy-popper[x-placement^=top] .tippy-tooltip.transparent-theme [x-circle]{background-color:rgba(0,0,0,.7)}.tippy-popper[x-placement^=top] 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