Hack a Javascript color picker into FC when it's loaded from FCHost, since we...

Hack a Javascript color picker into FC when it's loaded from FCHost, since we don't have a native one.

FCHost/cmake/cef_variables.cmake

@@ -466,7 +466,6 @@ if(OS_WINDOWS)
     libcef.dll
     libEGL.dll
     libGLESv2.dll
-    natives_blob.bin
     snapshot_blob.bin
     v8_context_snapshot.bin
     swiftshader

FCHost/fchost/fchost_handler.cc

@@ -154,6 +154,25 @@ void FCHostHandler::OnLoadError(CefRefPtr<CefBrowser> browser,
   frame->LoadURL(GetDataURI(ss.str(), "text/html"));
 }
 
+void FCHostHandler::OnLoadEnd(CefRefPtr<CefBrowser> browser,
+                              CefRefPtr<CefFrame> frame,
+                              int httpStatusCode) {
+    CEF_REQUIRE_UI_THREAD();
+
+    /* CEF doesn't implement a native '<input type=color>' handler, so we just hack one into the javascript after the page is loaded.  If this ever gets fixed upstream in CEF, we can lose all this code.
+     * We'll initialize tinyColorPicker, attach a mutation observer to the entire document, and anytime a new color input is added, we'll steal its events and connect it to TCP.
+     * Note that this copy of TCP is slightly modified to avoid event loops since we need to fire onChange events in the render callback for FC itself, so don't blindly try to update it. */
+    frame->ExecuteJavaScript(
+        "if (!window.FCHostColorMutationObserver) {\
+            /*! tinyColorPicker - v1.1.1 2016-08-30 */\
+            !function(a,b){\"object\"==typeof exports?module.exports=b(a):\"function\"==typeof define&&define.amd?define(\"colors\",[],function(){return b(a)}):a.Colors=b(a)}(this,function(a,b){\"use strict\";function c(a,c,d,f,g){if(\"string\"==typeof c){var c=v.txt2color(c);d=c.type,p[d]=c[d],g=g!==b?g:c.alpha}else if(c)for(var h in c)a[d][h]=k(c[h]/l[d][h][1],0,1);return g!==b&&(a.alpha=k(+g,0,1)),e(d,f?a:b)}function d(a,b,c){var d=o.options.grey,e={};return e.RGB={r:a.r,g:a.g,b:a.b},e.rgb={r:b.r,g:b.g,b:b.b},e.alpha=c,e.equivalentGrey=n(d.r*a.r+d.g*a.g+d.b*a.b),e.rgbaMixBlack=i(b,{r:0,g:0,b:0},c,1),e.rgbaMixWhite=i(b,{r:1,g:1,b:1},c,1),e.rgbaMixBlack.luminance=h(e.rgbaMixBlack,!0),e.rgbaMixWhite.luminance=h(e.rgbaMixWhite,!0),o.options.customBG&&(e.rgbaMixCustom=i(b,o.options.customBG,c,1),e.rgbaMixCustom.luminance=h(e.rgbaMixCustom,!0),o.options.customBG.luminance=h(o.options.customBG,!0)),e}function e(a,b){var c,e,k,q=b||p,r=v,s=o.options,t=l,u=q.RND,w=\"\",x=\"\",y={hsl:\"hsv\",rgb:a},z=u.rgb;if(\"alpha\"!==a){for(var A in t)if(!t[A][A]){a!==A&&(x=y[A]||\"rgb\",q[A]=r[x+\"2\"+A](q[x])),u[A]||(u[A]={}),c=q[A];for(w in c)u[A][w]=n(c[w]*t[A][w][1])}z=u.rgb,q.HEX=r.RGB2HEX(z),q.equivalentGrey=s.grey.r*q.rgb.r+s.grey.g*q.rgb.g+s.grey.b*q.rgb.b,q.webSave=e=f(z,51),q.webSmart=k=f(z,17),q.saveColor=z.r===e.r&&z.g===e.g&&z.b===e.b?\"web save\":z.r===k.r&&z.g===k.g&&z.b===k.b?\"web smart\":\"\",q.hueRGB=v.hue2RGB(q.hsv.h),b&&(q.background=d(z,q.rgb,q.alpha))}var B,C,D,E=q.rgb,F=q.alpha,G=\"luminance\",H=q.background;return B=i(E,{r:0,g:0,b:0},F,1),B[G]=h(B,!0),q.rgbaMixBlack=B,C=i(E,{r:1,g:1,b:1},F,1),C[G]=h(C,!0),q.rgbaMixWhite=C,s.customBG&&(D=i(E,H.rgbaMixCustom,F,1),D[G]=h(D,!0),D.WCAG2Ratio=j(D[G],H.rgbaMixCustom[G]),q.rgbaMixBGMixCustom=D,D.luminanceDelta=m.abs(D[G]-H.rgbaMixCustom[G]),D.hueDelta=g(H.rgbaMixCustom,D,!0)),q.RGBLuminance=h(z),q.HUELuminance=h(q.hueRGB),s.convertCallback&&s.convertCallback(q,a),q}function f(a,b){var c={},d=0,e=b/2;for(var f in a)d=a[f]%b,c[f]=a[f]+(d>e?b-d:-d);return c}function g(a,b,c){return(m.max(a.r-b.r,b.r-a.r)+m.max(a.g-b.g,b.g-a.g)+m.max(a.b-b.b,b.b-a.b))*(c?255:1)/765}function h(a,b){for(var c=b?1:255,d=[a.r/c,a.g/c,a.b/c],e=o.options.luminance,f=d.length;f--;)d[f]=d[f]<=.03928?d[f]/12.92:m.pow((d[f]+.055)/1.055,2.4);return e.r*d[0]+e.g*d[1]+e.b*d[2]}function i(a,c,d,e){var f={},g=d!==b?d:1,h=e!==b?e:1,i=g+h*(1-g);for(var j in a)f[j]=(a[j]*g+c[j]*h*(1-g))/i;return f.a=i,f}function j(a,b){var c=1;return c=a>=b?(a+.05)/(b+.05):(b+.05)/(a+.05),n(100*c)/100}function k(a,b,c){return a>c?c:b>a?b:a}var l={rgb:{r:[0,255],g:[0,255],b:[0,255]},hsv:{h:[0,360],s:[0,100],v:[0,100]},hsl:{h:[0,360],s:[0,100],l:[0,100]},alpha:{alpha:[0,1]},HEX:{HEX:[0,16777215]}},m=a.Math,n=m.round,o={},p={},q={r:.298954,g:.586434,b:.114612},r={r:.2126,g:.7152,b:.0722},s=function(a){this.colors={RND:{}},this.options={color:\"rgba(0,0,0,0)\",grey:q,luminance:r,valueRanges:l},t(this,a||{})},t=function(a,d){var e,f=a.options;u(a);for(var g in d)d[g]!==b&&(f[g]=d[g]);e=f.customBG,f.customBG=\"string\"==typeof e?v.txt2color(e).rgb:e,p=c(a.colors,f.color,b,!0)},u=function(a){o!==a&&(o=a,p=a.colors)};s.prototype.setColor=function(a,d,f){return u(this),a?c(this.colors,a,d,b,f):(f!==b&&(this.colors.alpha=k(f,0,1)),e(d))},s.prototype.setCustomBackground=function(a){return u(this),this.options.customBG=\"string\"==typeof a?v.txt2color(a).rgb:a,c(this.colors,b,\"rgb\")},s.prototype.saveAsBackground=function(){return u(this),c(this.colors,b,\"rgb\",!0)},s.prototype.toString=function(a,b){return v.color2text((a||\"rgb\").toLowerCase(),this.colors,b)};var v={txt2color:function(a){var b={},c=a.replace(/(?:#|\\)|%)/g,\"\").split(\"(\"),d=(c[1]||\"\").split(/,\\s*/),e=c[1]?c[0].substr(0,3):\"rgb\",f=\"\";if(b.type=e,b[e]={},c[1])for(var g=3;g--;)f=e[g]||e.charAt(g),b[e][f]=+d[g]/l[e][f][1];else b.rgb=v.HEX2rgb(c[0]);return b.alpha=d[3]?+d[3]:1,b},color2text:function(a,b,c){var d=c!==!1&&n(100*b.alpha)/100,e=\"number\"==typeof d&&c!==!1&&(c||1!==d),f=b.RND.rgb,g=b.RND.hsl,h=\"hex\"===a&&e,i=\"hex\"===a&&!h,j=\"rgb\"===a||h,k=j?f.r+\", \"+f.g+\", \"+f.b:i?\"#\"+b.HEX:g.h+\", \"+g.s+\"%, \"+g.l+\"%\";return i?k:(h?\"rgb\":a)+(e?\"a\":\"\")+\"(\"+k+(e?\", \"+d:\"\")+\")\"},RGB2HEX:function(a){return((a.r<16?\"0\":\"\")+a.r.toString(16)+(a.g<16?\"0\":\"\")+a.g.toString(16)+(a.b<16?\"0\":\"\")+a.b.toString(16)).toUpperCase()},HEX2rgb:function(a){return a=a.split(\"\"),{r:+(\"0x\"+a[0]+a[a[3]?1:0])/255,g:+(\"0x\"+a[a[3]?2:1]+(a[3]||a[1]))/255,b:+(\"0x\"+(a[4]||a[2])+(a[5]||a[2]))/255}},hue2RGB:function(a){var b=6*a,c=~~b%6,d=6===b?0:b-c;return{r:n(255*[1,1-d,0,0,d,1][c]),g:n(255*[d,1,1,1-d,0,0][c]),b:n(255*[0,0,d,1,1,1-d][c])}},rgb2hsv:function(a){var b,c,d,e=a.r,f=a.g,g=a.b,h=0;return g>f&&(f=g+(g=f,0),h=-1),c=g,f>e&&(e=f+(f=e,0),h=-2/6-h,c=m.min(f,g)),b=e-c,d=e?b/e:0,{h:1e-15>d?p&&p.hsl&&p.hsl.h||0:b?m.abs(h+(f-g)/(6*b)):0,s:e?b/e:p&&p.hsv&&p.hsv.s||0,v:e}},hsv2rgb:function(a){var b=6*a.h,c=a.s,d=a.v,e=~~b,f=b-e,g=d*(1-c),h=d*(1-f*c),i=d*(1-(1-f)*c),j=e%6;return{r:[d,h,g,g,i,d][j],g:[i,d,d,h,g,g][j],b:[g,g,i,d,d,h][j]}},hsv2hsl:function(a){var b=(2-a.s)*a.v,c=a.s*a.v;return c=a.s?1>b?b?c/b:0:c/(2-b):0,{h:a.h,s:a.v||c?c:p&&p.hsl&&p.hsl.s||0,l:b/2}},rgb2hsl:function(a,b){var c=v.rgb2hsv(a);return v.hsv2hsl(b?c:p.hsv=c)},hsl2rgb:function(a){var b=6*a.h,c=a.s,d=a.l,e=.5>d?d*(1+c):d+c-c*d,f=d+d-e,g=e?(e-f)/e:0,h=~~b,i=b-h,j=e*g*i,k=f+j,l=e-j,m=h%6;return{r:[e,l,f,f,k,e][m],g:[k,e,e,l,f,f][m],b:[f,f,k,e,e,l][m]}}};return s}),function(a,b){\"object\"==typeof exports?module.exports=b(a,require(\"jquery\"),require(\"colors\")):\"function\"==typeof define&&define.amd?define([\"jquery\",\"colors\"],function(c,d){return b(a,c,d)}):b(a,a.jQuery,a.Colors)}(this,function(a,b,c,d){\"use strict\";function e(a){return a.value||a.getAttribute(\"value\")||b(a).css(\"background-color\")||\"#FFF\"}function f(a){return a=a.originalEvent&&a.originalEvent.touches?a.originalEvent.touches[0]:a,a.originalEvent?a.originalEvent:a}function g(a){return b(a.find(r.doRender)[0]||a[0])}function h(c){var d=b(this),f=d.offset(),h=b(a),k=r.gap;c?(s=g(d),s._colorMode=s.data(\"colorMode\"),p.$trigger=d,(t||i()).css(r.positionCallback.call(p,d)||{left:(t._left=f.left)-((t._left+=t._width-(h.scrollLeft()+h.width()))+k>0?t._left+k:0),top:(t._top=f.top+d.outerHeight())-((t._top+=t._height-(h.scrollTop()+h.height()))+k>0?t._top+k:0)}).show(r.animationSpeed,function(){c!==!0&&(y.toggle(!!r.opacity)._width=y.width(),v._width=v.width(),v._height=v.height(),u._height=u.height(),q.setColor(e(s[0])),n(!0))}).off(\".tcp\").on(D,\".cp-xy-slider,.cp-z-slider,.cp-alpha\",j)):p.$trigger&&b(t).hide(r.animationSpeed,function(){n(!1),p.$trigger=null}).off(\".tcp\")}function i(){return b(\"head\")[r.cssPrepend?\"prepend\":\"append\"]('<style type=\"text/css\" id=\"tinyColorPickerStyles\">'+(r.css||I)+(r.cssAddon||\"\")+\"</style>\"),b(H).css({margin:r.margin}).appendTo(\"body\").show(0,function(){p.$UI=t=b(this),F=r.GPU&&t.css(\"perspective\")!==d,u=b(\".cp-z-slider\",this),v=b(\".cp-xy-slider\",this),w=b(\".cp-xy-cursor\",this),x=b(\".cp-z-cursor\",this),y=b(\".cp-alpha\",this),z=b(\".cp-alpha-cursor\",this),r.buildCallback.call(p,t),t.prepend(\"<div>\").children().eq(0).css(\"width\",t.children().eq(0).width()),t._width=this.offsetWidth,t._height=this.offsetHeight}).hide()}function j(a){var c=this.className.replace(/cp-(.*?)(?:\\s*|$)/,\"$1\").replace(\"-\",\"_\");(a.button||a.which)>1||(a.preventDefault&&a.preventDefault(),a.returnValue=!1,s._offset=b(this).offset(),(c=\"xy_slider\"===c?k:\"z_slider\"===c?l:m)(a),n(),A.on(E,function(){A.off(\".tcp\")}).on(C,function(a){c(a),n()}))}function k(a){var b=f(a),c=b.pageX-s._offset.left,d=b.pageY-s._offset.top;q.setColor({s:c/v._width*100,v:100-d/v._height*100},\"hsv\")}function l(a){var b=f(a).pageY-s._offset.top;q.setColor({h:360-b/u._height*360},\"hsv\")}function m(a){var b=f(a).pageX-s._offset.left,c=b/y._width;q.setColor({},\"rgb\",c)}function n(a){var b=q.colors,c=b.hueRGB,e=(b.RND.rgb,b.RND.hsl,r.dark),f=r.light,g=q.toString(s._colorMode,r.forceAlpha),h=b.HUELuminance>.22?e:f,i=b.rgbaMixBlack.luminance>.22?e:f,j=(1-b.hsv.h)*u._height,k=b.hsv.s*v._width,l=(1-b.hsv.v)*v._height,m=b.alpha*y._width,n=F?\"translate3d\":\"\",p=s[0].value,t=s[0].hasAttribute(\"value\")&&\"\"===p&&a!==d;v._css={backgroundColor:\"rgb(\"+c.r+\",\"+c.g+\",\"+c.b+\")\"},w._css={transform:n+\"(\"+k+\"px, \"+l+\"px, 0)\",left:F?\"\":k,top:F?\"\":l,borderColor:b.RGBLuminance>.22?e:f},x._css={transform:n+\"(0, \"+j+\"px, 0)\",top:F?\"\":j,borderColor:\"transparent \"+h},y._css={backgroundColor:\"#\"+b.HEX},z._css={transform:n+\"(\"+m+\"px, 0, 0)\",left:F?\"\":m,borderColor:i+\" transparent\"},s._css={backgroundColor:t?\"\":g,color:t?\"\":b.rgbaMixBGMixCustom.luminance>.22?e:f},s.text=t?\"\":p!==g?g:\"\",a!==d?o(a):G(o)}function o(a){v.css(v._css),w.css(w._css),x.css(x._css),y.css(y._css),z.css(z._css),r.doRender&&s.css(s._css),s.text&&s.val(s.text),r.renderCallback.call(p,s,\"boolean\"==typeof a?a:d)}var p,q,r,s,t,u,v,w,x,y,z,A=b(document),B=b(),C=\"touchmove.tcp mousemove.tcp pointermove.tcp\",D=\"touchstart.tcp mousedown.tcp pointerdown.tcp\",E=\"touchend.tcp mouseup.tcp pointerup.tcp\",F=!1,G=a.requestAnimationFrame||a.webkitRequestAnimationFrame||function(a){a()},H='<div class=\"cp-color-picker\"><div class=\"cp-z-slider\"><div class=\"cp-z-cursor\"></div></div><div class=\"cp-xy-slider\"><div class=\"cp-white\"></div><div class=\"cp-xy-cursor\"></div></div><div class=\"cp-alpha\"><div class=\"cp-alpha-cursor\"></div></div></div>',I=\".cp-color-picker{position:absolute;overflow:hidden;padding:6px 6px 0;background-color:#444;color:#bbb;font-family:Arial,Helvetica,sans-serif;font-size:12px;font-weight:400;cursor:default;border-radius:5px}.cp-color-picker>div{position:relative;overflow:hidden}.cp-xy-slider{float:left;height:128px;width:128px;margin-bottom:6px;background:linear-gradient(to right,#FFF,rgba(255,255,255,0))}.cp-white{height:100%;width:100%;background:linear-gradient(rgba(0,0,0,0),#000)}.cp-xy-cursor{position:absolute;top:0;width:10px;height:10px;margin:-5px;border:1px solid #fff;border-radius:100%;box-sizing:border-box}.cp-z-slider{float:right;margin-left:6px;height:128px;width:20px;background:linear-gradient(red 0,#f0f 17%,#00f 33%,#0ff 50%,#0f0 67%,#ff0 83%,red 100%)}.cp-z-cursor{position:absolute;margin-top:-4px;width:100%;border:4px solid #fff;border-color:transparent #fff;box-sizing:border-box}.cp-alpha{clear:both;width:100%;height:16px;margin:6px 0;background:linear-gradient(to right,#444,rgba(0,0,0,0))}.cp-alpha-cursor{position:absolute;margin-left:-4px;height:100%;border:4px solid #fff;border-color:#fff transparent;box-sizing:border-box}\",J=function(a){q=this.color=new c(a),r=q.options,p=this};J.prototype={render:n,toggle:h},b.fn.colorPicker=function(c){var d=this,f=function(){};return c=b.extend({animationSpeed:150,GPU:!0,doRender:!0,customBG:\"#FFF\",opacity:!0,renderCallback:f,buildCallback:f,positionCallback:f,body:document.body,scrollResize:!0,gap:4,dark:\"#222\",light:\"#DDD\"},c),!p&&c.scrollResize&&b(a).on(\"resize.tcp scroll.tcp\",function(){p.$trigger&&p.toggle.call(p.$trigger[0],!0)}),B=B.add(this),this.colorPicker=p||new J(c),this.options=c,b(c.body).off(\".tcp\").on(D,function(a){-1===B.add(t).add(b(t).find(a.target)).index(a.target)&&h()}),this.on(\"focusin.tcp click.tcp\",function(a){p.color.options=b.extend(p.color.options,r=d.options),h.call(this,a)}).each(function(){var a=e(this),d=a.split(\"(\"),f=g(b(this));f.data(\"colorMode\",d[1]?d[0].substr(0,3):\"HEX\").attr(\"readonly\",r.preventFocus),c.doRender&&f.css({\"background-color\":a,color:function(){return q.setColor(a).rgbaMixBGMixCustom.luminance>.22?c.dark:c.light}})})},b.fn.colorPicker.destroy=function(){b(\"*\").off(\".tcp\"),p.toggle(!1),B=b()}});\
+            window.FCHostColorMutationObserver = new MutationObserver((mutationList) => { \
+                $('input[type=color]').colorPicker({doRender: false, renderCallback: function ($elm, toggled) { const evt = new Event('change', {target:$elm[0], bubbles:false}); $elm[0].dispatchEvent(evt); }});\
+            });\
+            window.FCHostColorMutationObserver.observe(document.body.parentElement, {childList: true, subtree: true});\
+        }", frame->GetURL(), 0);
+}
+
 void FCHostHandler::OnBeforeDownload(CefRefPtr<CefBrowser> browser,
 									 CefRefPtr<CefDownloadItem> download_item,
 									 const CefString& suggested_name,

FCHost/fchost/fchost_handler.h

@@ -53,6 +53,9 @@ class FCHostHandler : public CefClient,
                            ErrorCode errorCode,
                            const CefString& errorText,
                            const CefString& failedUrl) OVERRIDE;
+  virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser,
+                         CefRefPtr<CefFrame> frame,
+                         int httpStatusCode) OVERRIDE;
 
   // CefDownloadHandler methods:
   virtual void OnBeforeDownload(CefRefPtr<CefBrowser> browser,