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several bug correction, refractoring
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| function pickerRatio(worker, stringResult, lastContrastState, ratio) | ||
| { | ||
| var tabResult = stringResult.split(";"); | ||
| tabResult[5] = "PICKER"; | ||
| var isValidRatio = ratio.isValidRatio(tabResult[0], tabResult[1], tabResult[3]); | ||
| if (isValidRatio) | ||
| tabResult[2] = "valid-ratio"; | ||
| else | ||
| tabResult[2] = "invalid-ratio"; | ||
| if (tabResult[4] === "CLICK") | ||
| worker.port.emit("click-components", tabResult); | ||
| else if ((lastContrastState == null || lastContrastState !== tabResult[2]) | ||
| && tabResult[4] === "LIVE") | ||
| worker.port.emit("live-components", tabResult); | ||
| return tabResult[2]; | ||
| } | ||
|
|
||
| function destroyWorker(isDestroy, isDestroyfgPicker, isDestroybgPicker, | ||
| tabWorker, tabfgPickerWorker, tabbgPickerWorker) { | ||
| workerToDestroy(isDestroy, tabWorker, "selector-unchecked"); | ||
| workerToDestroy(isDestroyfgPicker, tabfgPickerWorker, "unchecked-picker"); | ||
| workerToDestroy(isDestroybgPicker, tabbgPickerWorker, "unchecked-picker"); | ||
| } | ||
|
|
||
| function workerToDestroy(workerState, tabWorker, emitString) { | ||
| if (workerState == false) { | ||
| if (tabWorker !== null) { | ||
| tabWorker.port.emit(emitString); | ||
| tabWorker.destroy(); | ||
| workerState = true; | ||
| } | ||
| } | ||
| } | ||
|
|
||
|
|
||
| exports.pickerRatio = pickerRatio; | ||
| exports.destroyWorker = destroyWorker; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| function stateButton(worker, | ||
| selectionInProgressTabs, | ||
| fgPickerInProgressTabs, | ||
| bgPickerInProgressTabs, tabs) { | ||
| var isCurrentTabHasSelectionInProgress = getStateProgressTab(selectionInProgressTabs, tabs); | ||
| var isCurrentTabHasfgPickerInProgress = getStateProgressTab(fgPickerInProgressTabs, tabs); | ||
| var isCurrentTabHasbgPickerInProgress = getStateProgressTab(bgPickerInProgressTabs, tabs); | ||
| emitButtonState(worker, | ||
| isCurrentTabHasSelectionInProgress, | ||
| "start-selector-button", | ||
| "stop-selector"); | ||
| emitButtonState(worker, | ||
| isCurrentTabHasfgPickerInProgress, | ||
| "start-fgPicker-button", | ||
| "stop-fgPicker"); | ||
| emitButtonState(worker, | ||
| isCurrentTabHasbgPickerInProgress, | ||
| "start-bgPicker-button", | ||
| "stop-bgPicker"); | ||
| } | ||
|
|
||
| function emitButtonState(worker, isTabInProgress, emitStringStart, emitStringStop) { | ||
| if (isTabInProgress) | ||
| worker.port.emit(emitStringStart); | ||
| else | ||
| worker.port.emit(emitStringStop) | ||
| } | ||
|
|
||
| function getStateProgressTab(progressTab, tabs) { | ||
| for (var i=0;i<progressTab.length;i++){ | ||
| if (progressTab[i].tabId === tabs.activeTab.id) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| function emitStopMessages(worker) { | ||
| worker.port.emit("stop-selector"); | ||
| worker.port.emit("stop-fgPicker"); | ||
| worker.port.emit("stop-bgPicker"); | ||
| } | ||
|
|
||
| exports.stateButton = stateButton; | ||
| exports.emitStopMessages = emitStopMessages; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| function componentToHex(c) { | ||
| var hex = c.toString(16); | ||
| return hex.length == 1 ? "0" + hex : hex; | ||
| } | ||
|
|
||
| function rgbToHex(r, g, b) { | ||
| return componentToHex(r) + componentToHex(g) + componentToHex(b); | ||
| } | ||
|
|
||
| /* I can't call the chrome window from the content script. So, I call this from the | ||
| // main script. | ||
| //http://stackoverflow.com/questions/23888525/ | ||
| //firefox-drawwindow-canvas-function-using-the-add-on-sdk/23893077 | ||
| */ | ||
| function getCanvasColor(positionTab, chromewin) { | ||
| var canvas = chromewin.document.createElementNS('http://www.w3.org/1999/xhtml', | ||
| 'canvas'); | ||
| canvas.width = 1; | ||
| canvas.height = 1; | ||
| var context = canvas.getContext("2d"); | ||
| context.drawWindow(chromewin, positionTab[0], positionTab[1], 1, 1, "white"); | ||
| return context.getImageData(0, 0, 1, 1).data; | ||
| } | ||
|
|
||
| exports.rgbToHex = rgbToHex; | ||
| exports.getCanvasColor = getCanvasColor; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| function isValidRatio(fgColor, bgColor, minRatio) { | ||
| return minRatio < getContrastRatio(fgColor, bgColor); | ||
| } | ||
|
|
||
| function getContrastRatio(fgColor, bgColor) { | ||
| var fgLuminosity = getLuminosity(fgColor); | ||
| var bgLuminosity = getLuminosity(bgColor); | ||
| if (fgLuminosity > bgLuminosity) { | ||
| return computeContrast(fgLuminosity, bgLuminosity); | ||
| } else { | ||
| return computeContrast(bgLuminosity, fgLuminosity); | ||
| } | ||
| }; | ||
|
|
||
| function hexToRgb(hex) { | ||
| var bigint = parseInt(hex, 16); | ||
| var r = (bigint >> 16) & 255; | ||
| var g = (bigint >> 8) & 255; | ||
| var b = bigint & 255; | ||
|
|
||
| return "rgb(" + r + ", " + g + ", " + b + ")"; | ||
| } | ||
|
|
||
| function getLuminosity(color) { | ||
| var digits = /(.*?)rgb\((\d+), (\d+), (\d+)\)/.exec(hexToRgb(color)); | ||
| var red = parseInt(digits[2]); | ||
| var green = parseInt(digits[3]); | ||
| var blue = parseInt(digits[4]); | ||
| var luminosity = | ||
| getComposantValue(red) * 0.2126 | ||
| + getComposantValue(green) * 0.7152 | ||
| + getComposantValue(blue) * 0.0722; | ||
| return luminosity; | ||
| } | ||
|
|
||
| function getComposantValue(composant) { | ||
| var rsgb = composant / 255; | ||
| if (rsgb <= 0.03928) { | ||
| return rsgb / 12.92; | ||
| } else { | ||
| return Math.pow(((rsgb + 0.055) / 1.055), 2.4); | ||
| } | ||
| } | ||
|
|
||
| function computeContrast(lighter, darker) { | ||
| return ((lighter + 0.05) / (darker + 0.05)); | ||
| } | ||
|
|
||
| exports.getContrastRatio = getContrastRatio; | ||
| exports.isValidRatio = isValidRatio; |
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