organicmaps/api-ios
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gethostbyname() freeze fix

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This commit is contained in:
Igor Khmurets 2013-12-18 18:14:20 +03:00
parent c1bebb1548
commit 09ddaeb4a2
1 changed files with 37 additions and 38 deletions
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75
api/MapsWithMeAPI.m
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@ -60,11 +60,41 @@ static BOOL openUrlOnBalloonClick = NO;
@end
// Utility class to automatically handle "MapsWithMe is not installed" situations
@interface MWMNavigationController : UINavigationController
@interface MWMNViewController : UIViewController <UIWebViewDelegate>
@end
@implementation MWMNavigationController
@implementation MWMNViewController
// HTML page for users who didn't install MapsWithMe
static NSString * mapsWithMeIsNotInstalledPage =
@"<html>" \
"<head>" \
"<title>Please install MapsWithMe - offline maps of the World</title>" \
"<meta name='viewport' content='width=device-width, initial-scale=1.0'/>" \
"<meta charset='UTF-8'/>" \
"<style type='text/css'>" \
"body { font-family: Roboto,Helvetica; background-color:#fafafa; text-align: center;}" \
".description { text-align: center; font-size: 0.85em; margin-bottom: 1em; }" \
".button { -moz-border-radius: 20px; -webkit-border-radius: 20px; -khtml-border-radius: 20px; border-radius: 20px; padding: 10px; text-decoration: none; display:inline-block; margin: 0.5em; }" \
".shadow { -moz-box-shadow: 3px 3px 5px 0 #444; -webkit-box-shadow: 3px 3px 5px 0 #444; box-shadow: 3px 3px 5px 0 #444; }" \
".lite { color: white; background-color: #333; }" \
".pro { color: white; background-color: green; }" \
".mwm { color: green; text-decoration: none; }" \
"</style>" \
"</head>" \
"<body>" \
"<div class='description'>Offline maps are required to proceed. We have partnered with <a href='http://mapswith.me' target='_blank' class='mwm'>MapsWithMe</a> to provide you with offline maps of the entire world.</div>" \
"<div class='description'>To continue please download the app:</div>" \
"<a href='http://mapswith.me/get?api' class='pro button shadow'>Download&nbsp;MapsWithMe&nbsp;Pro</a>" \
"<a href='http://mapswith.me/app?api' class='lite button shadow'>Download&nbsp;MapsWithMe&nbsp;Lite&nbsp;(free)</a>" \
"</body>" \
"</html>";
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
{
[(UIWebView *)self.view loadHTMLString:mapsWithMeIsNotInstalledPage baseURL:[NSURL URLWithString:@"http://mapswith.me/"]];
}
- (void)onCloseButtonClicked:(id)sender
{
@ -197,48 +227,17 @@ static BOOL openUrlOnBalloonClick = NO;
return nil;
}
// HTML page for users who didn't install MapsWithMe
static NSString * mapsWithMeIsNotInstalledPage =
@"<html>" \
"<head>" \
"<title>Please install MapsWithMe - offline maps of the World</title>" \
"<meta name='viewport' content='width=device-width, initial-scale=1.0'/>" \
"<meta charset='UTF-8'/>" \
"<style type='text/css'>" \
"body { font-family: Roboto,Helvetica; background-color:#fafafa; text-align: center;}" \
".description { text-align: center; font-size: 0.85em; margin-bottom: 1em; }" \
".button { -moz-border-radius: 20px; -webkit-border-radius: 20px; -khtml-border-radius: 20px; border-radius: 20px; padding: 10px; text-decoration: none; display:inline-block; margin: 0.5em; }" \
".shadow { -moz-box-shadow: 3px 3px 5px 0 #444; -webkit-box-shadow: 3px 3px 5px 0 #444; box-shadow: 3px 3px 5px 0 #444; }" \
".lite { color: white; background-color: #333; }" \
".pro { color: white; background-color: green; }" \
".mwm { color: green; text-decoration: none; }" \
"</style>" \
"</head>" \
"<body>" \
"<div class='description'>Offline maps are required to proceed. We have partnered with <a href='http://mapswith.me' target='_blank' class='mwm'>MapsWithMe</a> to provide you with offline maps of the entire world.</div>" \
"<div class='description'>To continue please download the app:</div>" \
"<a href='http://mapswith.me/get?api' class='pro button shadow'>Download&nbsp;MapsWithMe&nbsp;Pro</a>" \
"<a href='http://mapswith.me/app?api' class='lite button shadow'>Download&nbsp;MapsWithMe&nbsp;Lite&nbsp;(free)</a>" \
"</body>" \
"</html>";
// For gethostbyname below
#include <netdb.h>
+ (void)showMapsWithMeIsNotInstalledDialog
{
UIWebView * webView = [[UIWebView alloc] initWithFrame:[UIScreen mainScreen].applicationFrame];
// check that we have Internet connection and display fresh online page if possible
if (gethostbyname("mapswith.me"))
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://mapswith.me/api_mwm_not_installed"]]];
else
[webView loadHTMLString:mapsWithMeIsNotInstalledPage baseURL:[NSURL URLWithString:@"http://mapswith.me/"]];
UIViewController * webController = [[UIViewController alloc] init];
[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://mapswith.me/api_mwm_not_installed"]]];
MWMNViewController * webController = [[MWMNViewController alloc] init];
webView.delegate = webController;
webController.view = webView;
webController.title = @"Install MapsWithMe";
MWMNavigationController * navController = [[MWMNavigationController alloc] initWithRootViewController:webController];
navController.navigationBar.topItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Close" style:UIBarButtonItemStyleDone target:navController action:@selector(onCloseButtonClicked:)];
UINavigationController * navController = [[UINavigationController alloc] initWithRootViewController:webController];
navController.navigationBar.topItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Close" style:UIBarButtonItemStyleDone target:webController action:@selector(onCloseButtonClicked:)];
UIWindow * window = [[UIApplication sharedApplication].windows firstObject];
if ([window.subviews count] == 2)