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Diffstat (limited to 'pointless/viewer/presentation.js')
-rw-r--r-- | pointless/viewer/presentation.js | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/pointless/viewer/presentation.js b/pointless/viewer/presentation.js deleted file mode 100644 index 2d6b0e3..0000000 --- a/pointless/viewer/presentation.js +++ /dev/null | |||
@@ -1,57 +0,0 @@ | |||
1 | /* | ||
2 | * Pointless Viewer, a web-based Beamer presentation viewer | ||
3 | * Copyright (C) 2018 Pacien TRAN-GIRARD | ||
4 | * | ||
5 | * This program is free software: you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU Affero General Public License as | ||
7 | * published by the Free Software Foundation, either version 3 of the | ||
8 | * License, or (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU Affero General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU Affero General Public License | ||
16 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | |||
19 | "use strict"; | ||
20 | |||
21 | class Presentation { | ||
22 | constructor(pdf) { | ||
23 | this.pdf = pdf; | ||
24 | this.currentPageIndex = 1; | ||
25 | this.stage = this._setupStage(); | ||
26 | } | ||
27 | |||
28 | _setupStage() { | ||
29 | const self = this; | ||
30 | const onStageReadyCallback = function() { self._onStageReady(); }; | ||
31 | const onNextCallback = function() { self._onNext(); }; | ||
32 | const onPreviousCallback = function() { self._onPrevious(); }; | ||
33 | return new Stage(onStageReadyCallback, onNextCallback, onPreviousCallback); | ||
34 | } | ||
35 | |||
36 | _onStageReady() { | ||
37 | this._setPage(this.currentPageIndex); | ||
38 | } | ||
39 | |||
40 | _onNext() { | ||
41 | if (this.currentPageIndex === this.pdf.numPages) return; | ||
42 | this._setPage(this.currentPageIndex + 1); | ||
43 | } | ||
44 | |||
45 | _onPrevious() { | ||
46 | if (this.currentPageIndex === 1) return; | ||
47 | this._setPage(this.currentPageIndex - 1); | ||
48 | } | ||
49 | |||
50 | _setPage(pageIndex) { | ||
51 | const self = this; | ||
52 | this.currentPageIndex = pageIndex; | ||
53 | this.pdf.getPage(this.currentPageIndex).then(function(page) { | ||
54 | self.stage.setPage(page); | ||
55 | }) | ||
56 | } | ||
57 | } | ||