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[MIG] attachment_preview: Migration to 11.0

Browse Source 
[FIX] Lint

[FIX] lint and flake

[ADD] tests

[ADD] tests

[ADD] tests

[ADD] Tests

[ADD] Package python-magic

[ADD] Tests

[FIX] Lint
This commit is contained in:
tarteo
2018-07-11 14:13:08 +02:00
committed by vancouver29
parent ae0c4ac2e9
commit ce2e7eba67
35 changed files with 2241 additions and 1374 deletions
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90
attachment_preview/static/lib/ViewerJS/text_layer_builder.js
View File

@@ -13,14 +13,11 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals CustomStyle, scrollIntoView, PDFJS */
/* globals CustomStyle, PDFJS */
'use strict';
var FIND_SCROLL_OFFSET_TOP = -50;
var FIND_SCROLL_OFFSET_LEFT = -400;
var MAX_TEXT_DIVS_TO_RENDER = 100000;
var RENDER_DELAY = 200; // ms
var NonWhitespaceRegexp = /\S/;
@@ -33,9 +30,6 @@ function isAllWhitespace(str) {
* @property {HTMLDivElement} textLayerDiv - The text layer container.
* @property {number} pageIndex - The page index.
* @property {PageViewport} viewport - The viewport of the text layer.
* @property {ILastScrollSource} lastScrollSource - The object that records when
* last time scroll happened.
* @property {boolean} isViewerInPresentationMode
* @property {PDFFindController} findController
*/
@@ -49,18 +43,27 @@ function isAllWhitespace(str) {
var TextLayerBuilder = (function TextLayerBuilderClosure() {
function TextLayerBuilder(options) {
this.textLayerDiv = options.textLayerDiv;
this.layoutDone = false;
this.renderingDone = false;
this.divContentDone = false;
this.pageIdx = options.pageIndex;
this.pageNumber = this.pageIdx + 1;
this.matches = [];
this.lastScrollSource = options.lastScrollSource || null;
this.viewport = options.viewport;
this.isViewerInPresentationMode = options.isViewerInPresentationMode;
this.textDivs = [];
this.findController = options.findController || null;
}
TextLayerBuilder.prototype = {
_finishRendering: function TextLayerBuilder_finishRendering() {
this.renderingDone = true;
var event = document.createEvent('CustomEvent');
event.initCustomEvent('textlayerrendered', true, true, {
pageNumber: this.pageNumber
});
this.textLayerDiv.dispatchEvent(event);
},
renderLayer: function TextLayerBuilder_renderLayer() {
var textLayerFrag = document.createDocumentFragment();
var textDivs = this.textDivs;
@@ -71,6 +74,7 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
// No point in rendering many divs as it would make the browser
// unusable even after the divs are rendered.
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
this._finishRendering();
return;
}
@@ -114,27 +118,33 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
}
this.textLayerDiv.appendChild(textLayerFrag);
this.renderingDone = true;
this._finishRendering();
this.updateMatches();
},
setupRenderLayoutTimer:
function TextLayerBuilder_setupRenderLayoutTimer() {
// Schedule renderLayout() if the user has been scrolling,
// otherwise run it right away.
var self = this;
var lastScroll = (this.lastScrollSource === null ?
0 : this.lastScrollSource.lastScroll);
/**
* Renders the text layer.
* @param {number} timeout (optional) if specified, the rendering waits
* for specified amount of ms.
*/
render: function TextLayerBuilder_render(timeout) {
if (!this.divContentDone || this.renderingDone) {
return;
}
if (Date.now() - lastScroll > RENDER_DELAY) { // Render right away
if (this.renderTimer) {
clearTimeout(this.renderTimer);
this.renderTimer = null;
}
if (!timeout) { // Render right away
this.renderLayer();
} else { // Schedule
if (this.renderTimer) {
clearTimeout(this.renderTimer);
}
var self = this;
this.renderTimer = setTimeout(function() {
self.setupRenderLayoutTimer();
}, RENDER_DELAY);
self.renderLayer();
self.renderTimer = null;
}, timeout);
}
},
@@ -204,7 +214,6 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
this.appendText(textItems[i], textContent.styles);
}
this.divContentDone = true;
this.setupRenderLayoutTimer();
},
convertMatches: function TextLayerBuilder_convertMatches(matches) {
@@ -266,8 +275,9 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
var bidiTexts = this.textContent.items;
var textDivs = this.textDivs;
var prevEnd = null;
var pageIdx = this.pageIdx;
var isSelectedPage = (this.findController === null ?
false : (this.pageIdx === this.findController.selected.pageIdx));
false : (pageIdx === this.findController.selected.pageIdx));
var selectedMatchIdx = (this.findController === null ?
-1 : this.findController.selected.matchIdx);
var highlightAll = (this.findController === null ?
@@ -313,10 +323,9 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
var isSelected = (isSelectedPage && i === selectedMatchIdx);
var highlightSuffix = (isSelected ? ' selected' : '');
if (isSelected && !this.isViewerInPresentationMode) {
scrollIntoView(textDivs[begin.divIdx],
{ top: FIND_SCROLL_OFFSET_TOP,
left: FIND_SCROLL_OFFSET_LEFT });
if (this.findController) {
this.findController.updateMatchPosition(pageIdx, i, textDivs,
begin.divIdx, end.divIdx);
}
// Match inside new div.
@@ -387,3 +396,24 @@ var TextLayerBuilder = (function TextLayerBuilderClosure() {
};
return TextLayerBuilder;
})();
/**
* @constructor
* @implements IPDFTextLayerFactory
*/
function DefaultTextLayerFactory() {}
DefaultTextLayerFactory.prototype = {
/**
* @param {HTMLDivElement} textLayerDiv
* @param {number} pageIndex
* @param {PageViewport} viewport
* @returns {TextLayerBuilder}
*/
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport) {
return new TextLayerBuilder({
textLayerDiv: textLayerDiv,
pageIndex: pageIndex,
viewport: viewport
});
}
};