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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {Task} = require("devtools/shared/task");
const {colorUtils} = require("devtools/shared/css/color");
const {Spectrum} = require("devtools/client/shared/widgets/Spectrum");
const SwatchBasedEditorTooltip = require("devtools/client/shared/widgets/tooltip/SwatchBasedEditorTooltip");
const {LocalizationHelper} = require("devtools/shared/l10n");
const L10N = new LocalizationHelper("devtools/client/locales/inspector.properties");
const Heritage = require("sdk/core/heritage");
const XHTML_NS = "http://www.w3.org/1999/xhtml";
/**
* The swatch color picker tooltip class is a specific class meant to be used
* along with output-parser's generated color swatches.
* It extends the parent SwatchBasedEditorTooltip class.
* It just wraps a standard Tooltip and sets its content with an instance of a
* color picker.
*
* @param {Document} document
* The document to attach the SwatchColorPickerTooltip. This is either the toolbox
* document if the tooltip is a popup tooltip or the panel's document if it is an
* inline editor.
* @param {InspectorPanel} inspector
* The inspector panel, needed for the eyedropper.
* @param {Function} supportsCssColor4ColorFunction
* A function for checking the supporting of css-color-4 color function.
*/
function SwatchColorPickerTooltip(document,
inspector,
{supportsCssColor4ColorFunction}) {
let stylesheet = "chrome://devtools/content/shared/widgets/spectrum.css";
SwatchBasedEditorTooltip.call(this, document, stylesheet);
this.inspector = inspector;
// Creating a spectrum instance. this.spectrum will always be a promise that
// resolves to the spectrum instance
this.spectrum = this.setColorPickerContent([0, 0, 0, 1]);
this._onSpectrumColorChange = this._onSpectrumColorChange.bind(this);
this._openEyeDropper = this._openEyeDropper.bind(this);
this.cssColor4 = supportsCssColor4ColorFunction();
}
SwatchColorPickerTooltip.prototype = Heritage.extend(SwatchBasedEditorTooltip.prototype, {
/**
* Fill the tooltip with a new instance of the spectrum color picker widget
* initialized with the given color, and return the instance of spectrum
*/
setColorPickerContent: function (color) {
let { doc } = this.tooltip;
let container = doc.createElementNS(XHTML_NS, "div");
container.id = "spectrum-tooltip";
let spectrumNode = doc.createElementNS(XHTML_NS, "div");
spectrumNode.id = "spectrum";
container.appendChild(spectrumNode);
let eyedropper = doc.createElementNS(XHTML_NS, "button");
eyedropper.id = "eyedropper-button";
eyedropper.className = "devtools-button";
/* pointerEvents for eyedropper has to be set auto to display tooltip when
* eyedropper is disabled in non-HTML documents.
*/
eyedropper.style.pointerEvents = "auto";
container.appendChild(eyedropper);
this.tooltip.setContent(container, { width: 218, height: 224 });
let spectrum = new Spectrum(spectrumNode, color);
// Wait for the tooltip to be shown before calling spectrum.show
// as it expect to be visible in order to compute DOM element sizes.
this.tooltip.once("shown", () => {
spectrum.show();
});
return spectrum;
},
/**
* Overriding the SwatchBasedEditorTooltip.show function to set spectrum's
* color.
*/
show: Task.async(function* () {
// Call then parent class' show function
yield SwatchBasedEditorTooltip.prototype.show.call(this);
// Then set spectrum's color and listen to color changes to preview them
if (this.activeSwatch) {
this.currentSwatchColor = this.activeSwatch.nextSibling;
this._originalColor = this.currentSwatchColor.textContent;
let color = this.activeSwatch.style.backgroundColor;
this.spectrum.off("changed", this._onSpectrumColorChange);
this.spectrum.rgb = this._colorToRgba(color);
this.spectrum.on("changed", this._onSpectrumColorChange);
this.spectrum.updateUI();
}
let {target} = this.inspector;
target.actorHasMethod("inspector", "pickColorFromPage").then(value => {
let tooltipDoc = this.tooltip.doc;
let eyeButton = tooltipDoc.querySelector("#eyedropper-button");
if (value && this.inspector.selection.nodeFront.isInHTMLDocument) {
eyeButton.disabled = false;
eyeButton.removeAttribute("title");
eyeButton.addEventListener("click", this._openEyeDropper);
} else {
eyeButton.disabled = true;
eyeButton.title = L10N.getStr("eyedropper.disabled.title");
}
this.emit("ready");
}, e => console.error(e));
}),
_onSpectrumColorChange: function (event, rgba, cssColor) {
this._selectColor(cssColor);
},
_selectColor: function (color) {
if (this.activeSwatch) {
this.activeSwatch.style.backgroundColor = color;
this.activeSwatch.parentNode.dataset.color = color;
color = this._toDefaultType(color);
this.currentSwatchColor.textContent = color;
this.preview(color);
if (this.eyedropperOpen) {
this.commit();
}
}
},
_openEyeDropper: function () {
let {inspector, toolbox, telemetry} = this.inspector;
telemetry.toolOpened("pickereyedropper");
inspector.pickColorFromPage(toolbox, {copyOnSelect: false}).then(() => {
this.eyedropperOpen = true;
// close the colorpicker tooltip so that only the eyedropper is open.
this.hide();
this.tooltip.emit("eyedropper-opened");
}, e => console.error(e));
inspector.once("color-picked", color => {
toolbox.win.focus();
this._selectColor(color);
this._onEyeDropperDone();
});
inspector.once("color-pick-canceled", () => {
this._onEyeDropperDone();
});
},
_onEyeDropperDone: function () {
this.eyedropperOpen = false;
this.activeSwatch = null;
},
_colorToRgba: function (color) {
color = new colorUtils.CssColor(color, this.cssColor4);
let rgba = color._getRGBATuple();
return [rgba.r, rgba.g, rgba.b, rgba.a];
},
_toDefaultType: function (color) {
let colorObj = new colorUtils.CssColor(color);
colorObj.setAuthoredUnitFromColor(this._originalColor, this.cssColor4);
return colorObj.toString();
},
destroy: function () {
SwatchBasedEditorTooltip.prototype.destroy.call(this);
this.inspector = null;
this.currentSwatchColor = null;
this.spectrum.off("changed", this._onSpectrumColorChange);
this.spectrum.destroy();
}
});
module.exports = SwatchColorPickerTooltip;
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