From a9073703dd54e6902a2b1776722d0d177fcf50a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petteri=20R=C3=A4ty?= <petsku@petteriraty.eu>
Date: Thu, 2 May 2013 10:54:09 +0300
Subject: [PATCH] Use offline app cache support when ./tmp/ exists

In Rails projects it's a sure bet that tmp exists so this automatically
covers most people. With the README addition other people know to create
the directory.
---
 README.md       | 7 +++++++
 src/WebPage.cpp | 7 +++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index b206dba..1d4984e 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,13 @@ If you're using capybara-webkit with Sinatra, don't forget to set
 Capybara.app = MySinatraApp.new
 ```
 
+Offline Application Cache
+-------------------------
+
+The offline application cache needs a directory to write to for the cached files. Capybara-webkit
+will look at if the working directory has a tmp directory and when it exists offline application
+cache will be enabled.
+
 Non-Standard Driver Methods
 ---------------------------
 
diff --git a/src/WebPage.cpp b/src/WebPage.cpp
index 7dd4e11..b506423 100644
--- a/src/WebPage.cpp
+++ b/src/WebPage.cpp
@@ -40,8 +40,11 @@ WebPage::WebPage(WebPageManager *manager, QObject *parent) : QWebPage(parent) {
   settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);
   settings()->setAttribute(QWebSettings::JavascriptCanCloseWindows, true);
   settings()->setAttribute(QWebSettings::LocalStorageDatabaseEnabled, true);
-  settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled, true);
-  settings()->setOfflineWebApplicationCachePath("tmp");
+
+  if(QFileInfo("tmp").isDir()) {
+    settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled, true);
+    settings()->setOfflineWebApplicationCachePath("tmp");
+  }
 
   createWindow();
 }