Make it possible to include downloaded data via ajax

[libreliodev]

We are going to use more javascript in the near future. We will need to be able to do the following:

• embed some html+js code into the app
• download contents using our native downloader (for exemple in xml or json format)
• access the downloaded data from the html+js code embedded in the app

@intrications Does this require some additional coding? Thanks.

cc @serverfire

[intrications]

@libreliodev I'd imagine it would need extra code.

[libreliodev]

This should probably be done by intercepting ajax call with custom url: http://stackoverflow.com/questions/3941969/android-intercept-ajax-call-from-webview

[intrications]

I'm confused where the WebView is in the app. Is it already in the code or something that needs adding?

@libreliodev

[libreliodev]

@intrications You're right, this probably needs adding, and is a different issue. See #260

[libreliodev]

@intrications

I'm not completely sure of the full scope of the issue, e.g. "download contents using our native downloader" - is this implemented in the iOS app yet

By native downloader, we mean the features related to buying and downloading developed for pdf files. Instead of pdf, we would download xml, json or csv files, and then "read" the downloaded data via a specific. For the time being, we only have a csv reader. We need to make sure the following features work properly:

• csv file can be downloaded from "Magazines.plist" (using myfile.csv links), either directly or after payment
• linked assets are subsequently downloaded: after downloading the csv file, the downloader should:
  • check if there is a linked template file and download it
  • check if the csv file contains links to images under the form "http://locahost/imagename.png(or jpg), and download them
• csv file and linked assets can be erased from device

[deepiksdev]

No longer needed.