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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| class Picker { | ||
| constructor (browser) { | ||
| this.browser = browser | ||
| this.x1 = this.x2 = this.y1 = this.y2 = null | ||
| } | ||
|
|
||
| init () { | ||
| const domMask = document.createElement('div') | ||
| const domTips = document.createElement('p') | ||
| domMask.innerHTML = '<div class="qr-lite-mask-top"></div>' + | ||
| '<div class="qr-lite-mask-middle" style="margin:0;width:100%;display:flex;justify-content:space-between;user-select:none;">' + | ||
| '<div class="qr-lite-mask-left" style="margin:0;height:100%;float:left;user-select:none;"></div>' + | ||
| '<div class="qr-lite-rect" style="margin:0;height:100%;float:left;user-select:none;"></div>' + | ||
| '<div class="qr-lite-mask-right" style="margin:0;height:100%;user-select:none;"></div>' + | ||
| '</div>' + | ||
| '<div class="qr-lite-mask-bottom" style="margin:0;width:100%;user-select:none;"></div>' | ||
|
|
||
| this.domMask = domMask | ||
| this.domRect = domMask.getElementsByClassName('qr-lite-rect')[0] | ||
| this.domMaskTop = domMask.getElementsByClassName('qr-lite-mask-top')[0] | ||
| this.domMaskMiddle = domMask.getElementsByClassName('qr-lite-mask-middle')[0] | ||
| this.domMaskLeft = domMask.getElementsByClassName('qr-lite-mask-left')[0] | ||
| this.domMaskRight = domMask.getElementsByClassName('qr-lite-mask-right')[0] | ||
| this.domMaskMiddle = domMask.getElementsByClassName('qr-lite-mask-middle')[0] | ||
| this.domMaskBottom = domMask.getElementsByClassName('qr-lite-mask-bottom')[0] | ||
| this.keyupHandler = (event) => { | ||
| if (event.key === 'Escape') { | ||
| event.preventDefault() | ||
| event.stopPropagation() | ||
| this.hide() | ||
| } | ||
| } | ||
|
|
||
| this.domMask.style.position = 'fixed' | ||
| this.domMask.style.top = '0px' | ||
| this.domMask.style.left = '0px' | ||
| this.domMask.style.zIndex = '9999' | ||
| this.domMask.style.width = '100%' | ||
| this.domMask.style.height = '100%' | ||
|
|
||
| domTips.style.position = 'fixed' | ||
| domTips.style.left = '0px' | ||
| domTips.style.top = '0px' | ||
| domTips.style.color = 'white' | ||
| domTips.style.backgroundColor = 'rgba(0,0,0,0.75)' | ||
| domTips.style.zIndex = '9998' | ||
| domTips.style.border = '1px solid white' | ||
| domTips.style.userSelect = 'none' | ||
| domTips.style.fontSize = '14px' | ||
| domTips.style.fontFamily = 'Sans Serif' | ||
| domTips.innerHTML = this.browser.i18n.getMessage('scan_region_picker_tips_html') | ||
| this.domMaskTop.style.backgroundColor = 'rgba(0,0,0,0.5)' | ||
| this.domMaskTop.style.height = '100%' | ||
|
|
||
| this.domMask.appendChild(domTips) | ||
|
|
||
| this.domMask.addEventListener('mousedown', event => { | ||
| this.isMouseDown = true | ||
| this.startX = event.clientX | ||
| this.startY = event.clientY | ||
| }) | ||
| this.domMask.addEventListener('mouseup', event => { | ||
| this.isMouseDown = false | ||
| if (this.isDragged) { | ||
| this.isDragged = false | ||
| this.updateSelection() | ||
|
|
||
| const rect = { | ||
| x: document.documentElement.scrollLeft + this.x1, | ||
| y: document.documentElement.scrollTop + this.y1, | ||
| width: this.x2 - this.x1, | ||
| height: this.y2 - this.y1 | ||
| } | ||
| // console.log('capturing image: ', rect) | ||
| this.browser.runtime.sendMessage({ | ||
| action: 'ACTION_CAPTURE', | ||
| rect: rect | ||
| }).then(response => { | ||
| const image = document.createElement('img') | ||
| image.src = response.dataUri | ||
| image.style.display = 'block' | ||
| image.style.margin = '0' | ||
| image.style.padding = '0' | ||
| image.style.position = 'static' | ||
| image.style.top = '0' | ||
| image.style.left = '0' | ||
| image.style.width = rect.width + 'px' | ||
| image.style.height = rect.height + 'px' | ||
| this.domRect.appendChild(image) | ||
| }).catch(e => { | ||
| console.log('image capture failed: ', e) | ||
| }) | ||
| } | ||
| }) | ||
|
|
||
| this.domMask.addEventListener('mousemove', event => { | ||
| domTips.style.top = event.clientY + 'px' | ||
| domTips.style.left = (event.clientX + 20) + 'px' | ||
| if (this.isMouseDown) { | ||
| this.domRect.innerHTML = '' | ||
| this.isDragged = true | ||
| this.currentX = event.clientX | ||
| this.currentY = event.clientY | ||
| this.updateSelection() | ||
| } | ||
| }) | ||
|
|
||
| document.addEventListener('keyup', this.keyupHandler) | ||
| } | ||
|
|
||
| show () { | ||
| if (!this.isShown) { | ||
| this.isShown = true | ||
| document.body.style.overflow = 'hidden' | ||
| document.body.appendChild(this.domMask) | ||
| } | ||
| } | ||
|
|
||
| updateSelection () { | ||
| if (this.startX < this.currentX) { | ||
| this.x1 = this.startX | ||
| this.x2 = this.currentX | ||
| } else { | ||
| this.x2 = this.startX | ||
| this.x1 = this.currentX | ||
| } | ||
|
|
||
| if (this.startY < this.currentY) { | ||
| this.y1 = this.startY | ||
| this.y2 = this.currentY | ||
| } else { | ||
| this.y2 = this.startY | ||
| this.y1 = this.currentY | ||
| } | ||
|
|
||
| // this.domMask.style.width = window.innerWidth + 'px' | ||
| // this.domMask.style.height = window.innerHeight + 'px' | ||
|
|
||
| this.domMaskTop.style.backgroundColor = | ||
| this.domMaskLeft.style.backgroundColor = | ||
| this.domMaskRight.style.backgroundColor = | ||
| this.domMaskBottom.style.backgroundColor = 'rgba(0,0,0,0.5)' | ||
| this.domRect.style.backgroundColor = 'transparent' | ||
| this.domMaskTop.style.height = this.y1 + 'px' | ||
| this.domMaskMiddle.style.height = (this.y2 - this.y1) + 'px' | ||
| this.domMaskBottom.style.height = (window.innerHeight - this.y2) + 'px' | ||
| this.domMaskLeft.style.width = this.x1 + 'px' | ||
| this.domRect.style.width = (this.x2 - this.x1) + 'px' | ||
| this.domMaskRight.style.width = (window.innerWidth - this.x2) + 'px' | ||
| } | ||
|
|
||
| hide () { | ||
| if (this.isShown) { | ||
| this.isShown = false | ||
| this.domRect.style.backgroundColor = 'rgba(0,0,0,0.5)' | ||
| this.currentX = this.currentY = this.x1 = this.x2 = this.y1 = this.y2 = null | ||
| this.domRect.innerHTML = '' | ||
| this.domMask.parentElement.removeChild(this.domMask) | ||
| document.body.style.overflow = '' | ||
| document.removeEventListener('keydown', this.keyupHandler) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (!window._qrLite_RegionPicker) { | ||
| // eslint-disable-next-line no-undef | ||
| window._qrLite_RegionPicker = new Picker(browser) | ||
| window._qrLite_RegionPicker.init() | ||
| } | ||
|
|
||
| window._qrLite_RegionPicker.show() |
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