DevTools: Add color swatches to Sources panel

third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js

Index: third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js b/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js
index 1a9085987f308174302c2fff97730dee4c170a3d..9da65d14650c07bacf420ed4c7f7e0f6ed58d9eb 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js
+++ b/third_party/WebKit/Source/devtools/front_end/sources/CSSSourceFrame.js
@@ -38,6 +38,11 @@ WebInspector.CSSSourceFrame = function(uiSourceCode)
     WebInspector.UISourceCodeFrame.call(this, uiSourceCode);
     this.textEditor.setAutocompleteDelegate(new WebInspector.CSSSourceFrame.AutocompleteDelegate());
     this._registerShortcuts();
+
+    if (Runtime.experiments.isEnabled("sourceColorPicker")) {
+        this._colorBookmarks = [];
+        this.uiSourceCode().addEventListener(WebInspector.UISourceCode.Events.WorkingCopyChanged, this._workingCopyChanged, this);
+    }
 }
 
 WebInspector.CSSSourceFrame.prototype = {
@@ -97,7 +102,113 @@ WebInspector.CSSSourceFrame.prototype = {
         return true;
     },
 
-    __proto__: WebInspector.UISourceCodeFrame.prototype
+    __proto__: WebInspector.UISourceCodeFrame.prototype,

[lushnikov, 2016/07/12 03:48:02]

nit: __proto__ should be the last thing in the object

[flandy, 2016/07/12 21:17:15]

Done.

+
+    _workingCopyChanged: function(event)

[lushnikov, 2016/07/12 03:48:02]

let's add jsdoc here

[flandy, 2016/07/12 21:17:15]

Done.

+    {
+        this._addColorSwatches();
+    },
+
+    _addColorSwatches: function()
+    {
+        var colorPositions = this._extractColorPositions(this._uiSourceCode.workingCopy());
+        this._putColorSwatchesInline(colorPositions);
+    },
+
+    /**
+     * @param {string} content
+     * @return {?Array<!WebInspector.CSSSourceFrame.ColorPosition>}
+     */
+    _extractColorPositions: function(content)
+    {
+        if (!content)
+            return null;
+
+        var colorPositions = [];
+
+        var lines = content.split(/\r?\n/);
+        for (var lineNum = 0; lineNum < lines.length; lineNum++) {
+            var line = lines[lineNum] + "\n";
+
+            var colorRegex = /[\s:;,(){}]((?:rgb|hsl)a?\([^)]+\)|#[0-9a-f]{8}|#[0-9a-f]{6}|#[0-9a-f]{3,4}|[a-z]+)(?=[\s;,(){}])/gi;
+            var arrResult;
+
+            while ((arrResult = colorRegex.exec(line)) !== null) {
+                if (arrResult.length >= 1) {
+                    var colorText = arrResult[1];
+                    var color = WebInspector.Color.parse(colorText);
+                    if (color) {
+                        var startIndex = arrResult[0].search(/[a-z]|#/i);
+                        var startColumn = arrResult.index + startIndex;
+
+                        colorPositions.push(new WebInspector.CSSSourceFrame.ColorPosition(color, lineNum, startColumn, colorText.length));
+                    }
+                }
+            }
+        }
+
+        return colorPositions;
+    },
+
+
+    /**
+     * @param {?Array<!WebInspector.CSSSourceFrame.ColorPosition>} colorPositions
+     */
+    _putColorSwatchesInline: function(colorPositions)

[lushnikov, 2016/07/12 03:48:02]

this whole function should be a codemirror operation:
http://codemirror.net/doc/manual.html#operation
this will save a ton on relayouts

[flandy, 2016/07/12 21:17:15]

Awesome! Done.

+    {
+        if (colorPositions) {
+            this._clearColorBookmarks();

[lushnikov, 2016/07/12 03:48:02]

i guess you want clear color bookmarks outside of this if

[flandy, 2016/07/12 21:17:15]

Done.

+
+            for (var i = 0; i < colorPositions.length; i++) {
+                var colorPos = colorPositions[i];
+
+                var swatch = WebInspector.ColorSwatch.create();
+                swatch.setColorText(colorPos.color.asString(WebInspector.Color.Format.Original));
+                swatch.setFormat(WebInspector.Color.detectColorFormat(colorPos.color));
+                swatch.iconElement().title = WebInspector.UIString("Open color picker");
+
+                var bookmark = this.textEditor.addBookmark(colorPos.textRange.startLine, colorPos.textRange.startColumn, swatch);
+                this._colorBookmarks.push(bookmark);
+            }
+        }
+    },
+
+    _clearColorBookmarks: function() {
+        for (var i = 0; i < this._colorBookmarks.length; i++) {
+            this._colorBookmarks[i].clear();
+        }
+        this._colorBookmarks = [];
+    },
+
+    /**
+     * @override
+     */
+    onTextEditorContentLoaded: function()
+    {
+        WebInspector.UISourceCodeFrame.prototype.onTextEditorContentLoaded.call(this);
+        if (Runtime.experiments.isEnabled("sourceColorPicker")) {
+            this._addColorSwatches();
+        }
+    },
+
+    dispose: function()
+    {
+        this.uiSourceCode().removeEventListener(WebInspector.UISourceCode.Events.WorkingCopyChanged, this._workingCopyChanged, this);
+        WebInspector.UISourceCodeFrame.prototype.dispose.call(this);
+    }
+}
+
+/**
+ * @constructor
+ * @param {!WebInspector.Color} color
+ * @param {number} lineNumber
+ * @param {number} startColumn
+ * @param {number} textLength
+ */
+WebInspector.CSSSourceFrame.ColorPosition = function(color, lineNumber, startColumn, textLength)
+{
+    this.color = color;
+    this.textRange = new WebInspector.TextRange(lineNumber, startColumn, lineNumber, startColumn + textLength);
 }
 
 /**