From 066aad003d11e5695fb06eae920d1f5b62290da3 Mon Sep 17 00:00:00 2001
From: Andrey Kuvshinov <delf@iMac-Andrey.local>
Date: Thu, 21 May 2020 22:09:07 +0300
Subject: [PATCH] iPhone in libs pdf

---
 app/pub/scripts/klanviewer.js | 74 +++++++++++++++++++++++++++++++++++
 app/routes/anpdf.php          |  3 +-
 app/routes/pdfserver.php      |  4 +-
 app/views/anpdf3.phtml        |  6 ++-
 app/views/layout.phtml        |  3 +-
 5 files changed, 83 insertions(+), 7 deletions(-)

diff --git a/app/pub/scripts/klanviewer.js b/app/pub/scripts/klanviewer.js
index f6d3400..4052ad5 100644
--- a/app/pub/scripts/klanviewer.js
+++ b/app/pub/scripts/klanviewer.js
@@ -3,6 +3,57 @@ var pdfcanvas = "the-canvas";
 var cnt = 100;
 
 
+
+function renderPage() {
+
+  var el_title = document.getElementById('pdfprogress');
+
+
+  //el_title.innerHTML = 'Идет подготовка страницы ...';
+
+  pageRendering = true;
+  // Using promise to fetch the page
+  pdfDoc.getPage(pageNum).then(function(page) {
+
+  var canvas = document.getElementById('the-pdf');  
+  var context = canvas.getContext('2d');
+  //var viewport = page.getViewport({scale: scale});
+
+  currscale = 1;  
+  
+  var viewport = page.getViewport({scale: currscale});
+ // var viewport = page.getViewport(canvas.width / page.getViewport(0.5).width)
+  
+ 
+    canvas.height = viewport.height;
+    canvas.width = viewport.width;
+
+    // Render PDF page into canvas context
+    var renderContext = {
+      canvasContext: context,
+      viewport: viewport
+    };
+    var renderTask = page.render(renderContext);
+
+    // Wait for rendering to finish
+    renderTask.promise.then(function() {
+      pageRendering = false;
+      if (pageNumPending !== null) {
+        // New page rendering is pending
+        renderPage(pageNumPending);
+        pageNumPending = null;
+       
+      }
+        el_title.innerHTML = '';
+    });
+  });
+  
+  
+ 
+}  
+
+
+
 function prevclick(){
     prevurl = prevlink + '/'+ scale;
     location.href = prevurl;
@@ -111,6 +162,29 @@ function startpdfviewer(newcurr){
      setzoom('pdcurr', newcurr);
      setzoom('pdfscale', 100);
   }
+
+  var detect = new MobileDetect(window.navigator.userAgent);
+
+  if (detect.phone()){
+
+    var canv = document.createElement('canvas');
+    canv.id = 'the-pdf';
+    document.getElementById(pdfcanvas).appendChild(canv);
+
+    pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) {
+      pdfDoc = pdfDoc_;
+      renderPage();
+    });
+   
+  }
+  else {
+
+    document.getElementById(pdfcanvas).innerHTML = '<embed src="'+ url +'" width="100%" type="application/pdf" style="height: 100vh;">'; 
+    
+  }
+
+
+
       
 }
 
diff --git a/app/routes/anpdf.php b/app/routes/anpdf.php
index 4b67adf..9411743 100644
--- a/app/routes/anpdf.php
+++ b/app/routes/anpdf.php
@@ -11,8 +11,9 @@ function anpromo_kuri($page = 1, $scale = 1){
    $file = SITEPATH.'pub/files/pdf/promo.pdf';
 
    $data = pdfs_init($file, $page);
+   $data['pages'] = pdfs_count($file);
    
-   $count = $data['count'];
+   $count = $data['pages'];
 
    $pdfile =  SITE.$data['pdfpgurl'];
    $category = 1;
diff --git a/app/routes/pdfserver.php b/app/routes/pdfserver.php
index ab961c8..4473392 100644
--- a/app/routes/pdfserver.php
+++ b/app/routes/pdfserver.php
@@ -46,7 +46,7 @@ function pdfs_init($source, $page = 1){
     if (!file_exists($source))
         return false;
 
-    $result['pdfurl'] = SITE.trim(pdfs_cachefile($source), '/'); //полный файл на скачку
+    $result['pdfurl'] = trim(SITE, '/').pdfs_cachefile($source); //полный файл на скачку
 
     $name = pdfs_hash($source);
     $cachedir = PGDIR.$name.'/';
@@ -55,8 +55,6 @@ function pdfs_init($source, $page = 1){
 
     if (!file_exists($fullcachefile)){
 
-        echo 'загрузка ...';
-
         if (!file_exists($source))
             return false;
         
diff --git a/app/views/anpdf3.phtml b/app/views/anpdf3.phtml
index 165c367..0688775 100644
--- a/app/views/anpdf3.phtml
+++ b/app/views/anpdf3.phtml
@@ -67,8 +67,10 @@
 </div>
 </div>
 
-<div id="the-canvas">
-  <embed src="<?=$pdfile?>" width="100%" type="application/pdf" style="height: 100vh;">           
+<div id="the-canvas"> 
+  <noscript>
+    <embed src="<?=$pdfile?>" width="100%" type="application/pdf" style="height: 100vh;"> 
+  </noscript>            
 </div>
 
 <script>startpdfviewer(newcurr);</script>
diff --git a/app/views/layout.phtml b/app/views/layout.phtml
index 31b0aaf..86ab80b 100644
--- a/app/views/layout.phtml
+++ b/app/views/layout.phtml
@@ -3,7 +3,8 @@
   <title>Еженедельник Аргументы Недели - <?=$title?></title>
   <//base href="<?=SITE?>">
   <script src="/pub/scripts/pdf.min.js"></script>
-  <script src="/pub/scripts/klanviewer.js?ver=1"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/mobile-detect/1.4.4/mobile-detect.min.js"></script>
+  <script src="/pub/scripts/klanviewer.js?ver=5"></script>
   <link rel="stylesheet" type="text/css" href="/pub/css/an.css?ver=203">
   <link rel="icon" type="image/ico" href="https://argumenti.ru/favicon.ico">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">