Adding the toolbar to the WebElement, with back/forward/reload/out to…

… safari

quickdialog/QWebViewController.m

@@ -14,36 +14,89 @@
 
 #import "QWebViewController.h"
 
-@implementation QWebViewController
+@interface QWebViewController ()
+- (CGImageRef)createBackArrowImageRef;
+- (CGImageRef)createForwardArrowImageRef;
 
+
+@end
+
+@implementation QWebViewController {
+    UIBarButtonItem * _btBack;
+    UIBarButtonItem * _btForward;
+    BOOL _firstPageFinished;
+    BOOL _previousToolbarState;
+}
 - (QWebViewController *)initWithUrl:(NSString *)url {
 
     self = [super init];
     if (self!=nil){
         _webView = [[UIWebView alloc] init];
         _webView.delegate = self;
-        _webView.scalesPageToFit = YES;
-
+        _webView.scalesPageToFit = YES;        
         _url = url;
         self.view = _webView;
+
+        UIImage *backImage = [[UIImage alloc] initWithCGImage:[self createBackArrowImageRef]];
+        UIImage *forwardImage = [[UIImage alloc] initWithCGImage:[self createForwardArrowImageRef]];
+        _btBack = [[UIBarButtonItem alloc] initWithImage:backImage style:UIBarButtonItemStylePlain target:self action:@selector(actionRewind)];
+        _btForward = [[UIBarButtonItem alloc] initWithImage:forwardImage style:UIBarButtonItemStylePlain target:self action:@selector(actionForward)];
+
+        _btBack.enabled = NO;
+        _btForward.enabled = NO;
     }
     return self;
 }
 
 - (void)viewWillDisappear:(BOOL)animated {
     [_webView stopLoading];
+    [self.navigationController setToolbarHidden:_previousToolbarState animated:YES];
     _webView = nil;
 }
 
-
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
     return YES;
 }
 
+- (void)actionRewind {
+    [_webView goBack];
+    _btForward.enabled = YES;
+
+}
+
+- (void)actionForward {
+    [_webView goForward];
+}
+
+- (void)actionRefresh {
+    [_webView reload];
+}
+
+- (void)actionGoToSafari {
+    [[UIApplication sharedApplication] openURL:[_webView.request mainDocumentURL]];
+}
 
 - (void)viewWillAppear:(BOOL)animated {
     [super viewWillAppear:animated];
     [_webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:_url]]];
+    _previousToolbarState = self.navigationController.toolbarHidden;
+    self.navigationController.toolbarHidden = NO;
+
+
+    UIBarButtonItem *spacer1 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
+    spacer1.width = 30;
+    UIBarButtonItem *spacer2 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
+    spacer2.width = 30;
+    self.toolbarItems = [NSArray arrayWithObjects:
+            _btBack,
+            spacer1,
+            _btForward,
+            [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil],
+            [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(actionRefresh)],
+            spacer2,        
+            [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(actionGoToSafari)],
+            nil];
+
 }
 
 - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
@@ -55,11 +108,15 @@ - (void)webViewDidStartLoad:(UIWebView *)webView {
     [indicator startAnimating];
     self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:indicator];
     self.title = @"Loading";
+    if (_firstPageFinished==YES){
+        _btBack.enabled = YES;
+    }
 }
 
 - (void)webViewDidFinishLoad:(UIWebView *)webView {
     self.navigationItem.rightBarButtonItem = nil;
     self.title = [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];
+    _firstPageFinished = YES;
 }
 
 - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
@@ -69,4 +126,44 @@ - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
 }
 
 
+- (CGContextRef)createContext
+{
+   CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+   CGContextRef context = CGBitmapContextCreate(nil,27,27,8,0, colorSpace,kCGImageAlphaPremultipliedLast);
+   CFRelease(colorSpace);
+   return context;
+}
+
+- (CGImageRef)createBackArrowImageRef
+{
+   CGContextRef context = [self createContext];
+   CGColorRef fillColor = [[UIColor blackColor] CGColor];
+   CGContextSetFillColor(context, (CGFloat *) CGColorGetComponents(fillColor));
+   CGContextBeginPath(context);
+   CGContextMoveToPoint(context, 8.0f, 13.0f);
+   CGContextAddLineToPoint(context, 24.0f, 4.0f);
+   CGContextAddLineToPoint(context, 24.0f, 22.0f);
+   CGContextClosePath(context);
+   CGContextFillPath(context);
+   CGImageRef image = CGBitmapContextCreateImage(context);
+   CGContextRelease(context);
+   return image;
+}
+
+- (CGImageRef)createForwardArrowImageRef
+{
+   CGContextRef context = [self createContext];
+   CGColorRef fillColor = [[UIColor blackColor] CGColor];
+   CGContextSetFillColor(context, (CGFloat *) CGColorGetComponents(fillColor));
+   CGContextBeginPath(context);
+   CGContextMoveToPoint(context, 24.0f, 13.0f);
+   CGContextAddLineToPoint(context, 8.0f, 4.0f);
+   CGContextAddLineToPoint(context, 8.0f, 22.0f);
+   CGContextClosePath(context);
+   CGContextFillPath(context);
+   CGImageRef image = CGBitmapContextCreateImage(context);
+   CGContextRelease(context);
+   return image;
+}
+
 @end