UIPrintInteractionController+APPPrinter category

Removes the need for special property to save the user setting

plugin.xml

@@ -75,6 +75,9 @@
         <header-file src="src/ios/APPPrinterPaper.h" />
         <source-file src="src/ios/APPPrinterPaper.m" />
 
+        <header-file src="src/ios/UIPrintInteractionController+APPPrinter.h" />
+        <source-file src="src/ios/UIPrintInteractionController+APPPrinter.m" />
+
     </platform>
 
     <!-- android -->

src/ios/APPPrinter.m

@@ -21,13 +21,12 @@
 
 #import "APPPrinter.h"
 #import "APPPrinterItem.h"
-#import "APPPrinterInfo.h"
 #import "APPPrinterPaper.h"
 #import "APPPrinterLayout.h"
+#import "UIPrintInteractionController+APPPrinter.h"
 
 @interface APPPrinter ()
 
-@property (retain) NSDictionary* settings;
 @property (nonatomic) UIPrinter *previousPrinter;
 
 @end
@@ -82,8 +81,6 @@
         NSMutableDictionary* settings = command.arguments[1];
         settings[@"callbackId"]       = command.callbackId;
 
-        self.settings = settings;
-
         [self printContent:content withSettings:settings];
     }];
 }
@@ -100,7 +97,7 @@
                                   choosePaper:(NSArray *)paperList
 {
     APPPrinterPaper* paperSpec = [[APPPrinterPaper alloc]
-                                  initWithDictionary:_settings[@"paper"]];
+                                  initWithDictionary:ctrl.settings[@"paper"]];
 
     return [paperSpec bestPaperFromArray:paperList];
 }
@@ -114,7 +111,7 @@
                      cutLengthForPaper:(UIPrintPaper *)paper
 {
     APPPrinterPaper* paperSpec = [[APPPrinterPaper alloc]
-                                  initWithDictionary:_settings[@"paper"]];
+                                  initWithDictionary:ctrl.settings[@"paper"]];
 
     return paperSpec.length || paper.paperSize.height;
 }
@@ -157,34 +154,6 @@
     });
 }
 
-/**
- * Adjusts the settings for the print controller.
- *
- * @param view     The view which content to print.
- * @param settings The print job specs.
- *
- * @return A ready to use print controller instance.
- */
-- (UIPrintInteractionController *) prepareControllerWithSettings:(NSDictionary *)settings
-{
-    UIPrintInfo* printInfo = [APPPrinterInfo printInfoWithDictionary:settings];
-    NSDictionary* ui       = settings[@"ui"];
-
-    UIPrintInteractionController* ctrl =
-    [UIPrintInteractionController sharedPrintController];
-
-    ctrl.printInfo         = printInfo;
-    ctrl.delegate          = self;
-
-    if (ui)
-    {
-        ctrl.showsNumberOfCopies = ![ui[@"hideNumberOfCopies"] boolValue];
-        ctrl.showsPaperSelectionForLoadedPapers = ![ui[@"hidePaperFormat"] boolValue];
-    }
-
-    return ctrl;
-}
-
 /**
  * Loads the content into the print controller.
  *
@@ -199,7 +168,9 @@
     __block id item;
 
     UIPrintInteractionController* ctrl =
-    [self prepareControllerWithSettings:settings];
+    [UIPrintInteractionController sharedPrintControllerWithSettings:settings];
+
+    ctrl.delegate = self;
 
     if ([self strIsNullOrEmpty:content])
     {
@@ -444,4 +415,3 @@
 }
 
 @end
-

src/ios/UIPrintInteractionController+APPPrinter.h

@@ -0,0 +1,28 @@
+/*
+ Copyright 2013 appPlant GmbH
+
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements.  See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership.  The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License.  You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied.  See the License for the
+ specific language governing permissions and limitations
+ under the License.
+ */
+
+@interface UIPrintInteractionController (APPPrinter)
+
++ (instancetype) sharedPrintControllerWithSettings:(NSDictionary *)settings;
+
+@property (nonatomic, retain) NSDictionary *settings;
+
+@end

src/ios/UIPrintInteractionController+APPPrinter.m

@@ -0,0 +1,70 @@
+/*
+ Copyright 2013 appPlant GmbH
+
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements.  See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership.  The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License.  You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied.  See the License for the
+ specific language governing permissions and limitations
+ under the License.
+ */
+
+#include "APPPrinterInfo.h"
+#include "UIPrintInteractionController+APPPrinter.h"
+
+#import <objc/runtime.h>
+
+@implementation UIPrintInteractionController (APPPrinter)
+
+static char UIP_SETTINGS_KEY;
+
+@dynamic settings;
+
+#pragma mark -
+#pragma mark Init
+
++ (instancetype) sharedPrintControllerWithSettings:(NSDictionary *)settings
+{
+    NSDictionary* ui = settings[@"ui"];
+
+    UIPrintInteractionController* ctrl =
+    UIPrintInteractionController.sharedPrintController;
+
+    ctrl.printInfo = [APPPrinterInfo
+                      printInfoWithDictionary:settings];
+
+    ctrl.settings  = settings;
+
+    if (ui)
+    {
+        ctrl.showsNumberOfCopies = ![ui[@"hideNumberOfCopies"] boolValue];
+        ctrl.showsPaperSelectionForLoadedPapers = ![ui[@"hidePaperFormat"] boolValue];
+    }
+
+    return ctrl;
+}
+
+#pragma mark -
+#pragma mark Private
+
+- (void) setSettings:(NSDictionary *)settings
+{
+    objc_setAssociatedObject(self, &UIP_SETTINGS_KEY, settings, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSDictionary *)settings
+{
+    return objc_getAssociatedObject(self, &UIP_SETTINGS_KEY);
+}
+
+@end