From d2486217f0c8c6e9e60ce441cf1aded230412e36 Mon Sep 17 00:00:00 2001
From: kentongray <kentongray@gmail.com>
Date: Tue, 5 Sep 2017 13:10:59 -0500
Subject: [PATCH] Cache UIPrinter (#128)

* Cache UIPrinter

This speeds up printing time from 25 seconds to < 5

* Switching to isEqualToString
---
 src/ios/APPPrinter.h |  3 +++
 src/ios/APPPrinter.m | 11 +++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/ios/APPPrinter.h b/src/ios/APPPrinter.h
index a2d1dd1..734ccd6 100755
--- a/src/ios/APPPrinter.h
+++ b/src/ios/APPPrinter.h
@@ -25,6 +25,9 @@
 
 @interface APPPrinter : CDVPlugin <UIWebViewDelegate>
 
+// this is used to cache the uiprinter making repeated prints faster
+@property (nonatomic) UIPrinter *previousPrinter;
+
 // Find out whether printing is supported on this platform
 - (void) check:(CDVInvokedUrlCommand*)command;
 // Displays system interface for selecting a printer
diff --git a/src/ios/APPPrinter.m b/src/ios/APPPrinter.m
index 798038b..bba5fce 100755
--- a/src/ios/APPPrinter.m
+++ b/src/ios/APPPrinter.m
@@ -195,8 +195,15 @@
                printer:(NSString*)printerId
 {
     NSURL* url         = [NSURL URLWithString:printerId];
-    UIPrinter* printer = [UIPrinter printerWithURL:url];
-
+    
+    // check to see if we have previously created this printer to reduce printing/"contacting" time
+    if(self.previousPrinter == nil || ![[[self.previousPrinter URL] absoluteString] isEqualToString: printerId]) {
+        self.previousPrinter = [UIPrinter printerWithURL:url];
+    }
+    
+    UIPrinter* printer = self.previousPrinter;
+    
+    
     [controller printToPrinter:printer completionHandler:
      ^(UIPrintInteractionController *ctrl, BOOL ok, NSError *e) {
          CDVPluginResult* pluginResult =