public override void OnGetGraphic(ImagePackage package,FilePath path){
// Already resized?
ResizedImage resized=ResizedImages.Get(path.Path);
if(resized!=null){
// Sure is!
package.GotGraphic(resized.Image);
return;
}
if(Callback.WillDelay){
// Buffer this call until later - we're not on the main thread.
// Create the callback:
ResourcesProtocolCallback callback=new ResourcesProtocolCallback(package,path);
// Hook up the protocol handler for speed later:
callback.Protocol=this;
// Request it to run:
callback.Go();
return;
}
if(path.Filetype=="spa"){
// Animated.
// Load the binary file - Note: the full file should be called file.spa.bytes for this to work in Unity.
byte[] binary=((TextAsset)Resources.Load(path.Path)).bytes;
if(binary!=null){
// Apply it now:
package.GotGraphic(new SPA(path.Url,binary));
return;
}
}else{
// Image
Texture2D image=(Texture2D)Resources.Load(path.Directory+path.Filename);
// Resize the image:
resized=ResizedImages.Add(path.Path,image);
if(image!=null){
package.GotGraphic(resized.Image);
return;
}
}
package.GotGraphic("Image not found in resources ("+path.Directory+path.Filename+" from URL '"+path.Url+"').");
}
// Textual stuff; usually .html files
public override void OnGetText(TextPackage package,FilePath path){
// Get the bytes:
string data=System.Text.Encoding.UTF8.GetString(System.IO.File.ReadAllBytes(path.Path));
// Let the package know:
package.GotText(data,null);
}
/// <summary>Attempts to get a graphic from the given location using this protocol.</summary>
/// <param name="package">The image request. GotGraphic must be called on this when the protocol is done.</param>
/// <param name="path">The location of the file to retrieve using this protocol.</param>
public override void OnGetGraphic(ImagePackage package,FilePath path){
if(path.Filetype=="spa"){
// Grab a runtime SPA:
package.GotGraphic(SPA.Get(path.Path));
return;
}
package.GotGraphic(ImageCache.Get(path.Path));
}
// Raw binary data
public override void OnGetData(DataPackage package,FilePath path){
// Get the bytes:
byte[] data=System.IO.File.ReadAllBytes(path.Path);
// Let the package know:
package.GotData(data,null);
}
/// <summary>Attempts to get a graphic from the given location using this protocol.</summary>
/// <param name="package">The image request. GotGraphic must be called on this when the protocol is done.</param>
/// <param name="path">The location of the file to retrieve using this protocol.</param>
public override void OnGetGraphic(ImagePackage package,FilePath path){
// Create it:
Texture2D tex = new Texture2D(0,0);
// Load it:
tex.LoadImage(System.IO.File.ReadAllBytes(path.Path));
// Let the package know:
package.GotGraphic(tex);
}
public override void OnGetGraphic(ImagePackage package,FilePath path){
if(Callback.WillDelay){
// Buffer this call until later - we're not on the main thread.
// Create the callback:
ResourcesProtocolCallback callback=new ResourcesProtocolCallback(package,path);
// Hook up the protocol handler for speed later:
callback.Protocol=this;
// Request it to run:
callback.Go();
return;
}
if(path.Filetype=="spa"){
// Animated.
// Load the binary file - Note: the full file should be called file.spa.bytes for this to work in Unity.
byte[] binary=((TextAsset)Resources.Load(path.Path)).bytes;
if(binary!=null){
// Apply it now:
package.GotGraphic(new SPA(path.Url,binary));
return;
}
#if !MOBILE
}else if(ContentType.IsVideo(path.Filetype)){
// Video
MovieTexture movie=(MovieTexture)Resources.Load(path.Directory+path.Filename,typeof(MovieTexture));
if(movie!=null){
package.GotGraphic(movie);
return;
}
#endif
}else{
// Image
Texture2D image=(Texture2D)Resources.Load(path.Directory+path.Filename);
if(image!=null){
package.GotGraphic(image);
return;
}
}
package.GotGraphic("Image not found in resources ("+path.Directory+path.Filename+" from URL '"+path.Url+"').");
}
public HttpErrorInfo(HttpRequest request){
// Store the request:
Request=request;
// Grab the URL:
Url=new FilePath(request.Url,"");
// Grab the message:
Message=request.Error;
}
public FileErrorInfo(TextPackage package){
// Store the package:
Package=package;
// Grab the URL:
Url=new FilePath(package.Url,"");
// Grab the message:
Message=package.Error;
}
public override void OnGetGraphic(ImagePackage package,FilePath path){
// Work like a proper browser - let's go get the image from the web.
// Second is for video - it's called when the video is ready for playback but
// Not necessarily fully downloaded.
// First, was this graphic already requested?
// If so, we'll provide that immediately.
ImagePackage previousRequest=GetFromCache(path.Url);
if(previousRequest!=null){
// Great - provide this packages result first.
// This prevents any flashing if innerHTML is loaded.
package.GotCached(previousRequest);
return;
}
HttpRequest request=new HttpRequest(path.Url,GotGraphicResult);
request.OnRequestReady+=GotGraphicResult;
request.ExtraData=package;
request.Send();
}
/// <summary>Get the file at the given path as a MovieTexture (Unity Pro only!), Texture2D,
/// SPA Animation or DynamicTexture using this protocol.
/// Once it's been retrieved, this must call package.GotGraphic(theObject) internally.</summary>
public virtual void OnGetGraphic(ImagePackage package,FilePath path){}
/// <summary>Submits the given form to the given path using this protocol.</summary>
public virtual void OnPostForm(FormData form,Element formElement,FilePath path){}
/// <summary>Get generic binary at the given path using this protocol. Used for e.g. fonts.
/// Once it's been retrieved, this must call package.GotData(theText) internally.</summary>
public virtual void OnGetData(DataPackage package,FilePath path){}
/// <summary>Get the file at the given path as some html text using this protocol.
/// Once it's been retrieved, this must call package.GotText(theText) internally.</summary>
public virtual void OnGetText(TextPackage package,FilePath path){}
/// <summary>Sets up the filepath to the given url which may be relative to a given location.</summary>
/// <param name="src">The file to get.</param>
/// <param name="relativeTo">The path the file to get is relative to, if any. May be null.</param>
private void SetPath(string src,string relativeTo){
File=new FilePath(src,relativeTo,false);
FileType=File.Filetype.ToLower();
}
/// <summary>Does the item at the given location have full access to the code security domain?
/// Used by Nitro. If it does not have full access, the Nitro security domain is asked about the path instead.
/// If you're unsure, leave this false! If your game uses simple web browsing,
/// this essentially stops somebody writing dangerous Nitro on a remote webpage and directing your game at it.</summary>
public virtual bool FullAccess(FilePath path){
return false;
}
/// <summary>Submits this form.</summary>
public void submit(){
// Generate a nice dictionary of the form contents.
// Step 1: find the unique names of the elements:
Dictionary<string,string> uniqueValues=new Dictionary<string,string>();
List<Element> allInputs=GetAllInputs();
foreach(Element element in allInputs){
string type=element["type"];
if(type=="submit"||type=="button"){
// Don't want buttons in here.
continue;
}
string name=element["name"];
if(name==null){
name="";
}
// Step 2: For each one, get their value.
// We might have a name repeated, in which case we check if they are radio boxes.
if(uniqueValues.ContainsKey(name)){
// Ok the element is already added - we have two with the same name.
// If they are radio, then only overwrite value if the new addition is checked.
// Otherwise, overwrite - furthest down takes priority.
if(element.Tag=="input"){
InputTag tag=(InputTag)(element.Handler);
if(tag.Type==InputType.Radio&&!tag.Checked){
// Don't overwrite.
continue;
}
}
}
string value=element.value;
if(value==null){
value="";
}
uniqueValues[name]=value;
}
FormData formData=new FormData(uniqueValues);
// Hook up the form element:
formData.form=Element;
object result=Element.Run("onsubmit",formData);
if( !string.IsNullOrEmpty(Action) && (result==null||!(bool)result) ){
// Post to Action.
FilePath path=new FilePath(Action,Element.Document.basepath,false);
FileProtocol fileProtocol=path.Handler;
if(fileProtocol!=null){
fileProtocol.OnPostForm(formData,Element,path);
}
}
}
/// <summary>Loads a link into the given document.</summary>
/// <param name="path">The path the link was pointing at.</param>
/// <param name="document">The document the link will load into.</param>
private void LoadIntoDocument(FilePath path,Document document){
// Clear the document so it's obvious to the player the link is now loading:
document.innerHTML="";
document.location=path;
// Load the html. Note that path.Url is fully resolved at this point:
TextPackage package=new TextPackage(path.Url,"");
package.ExtraData=document;
package.Get(GotLinkText);
}
public override bool OnClick(UIEvent clickEvent){
base.OnClick(clickEvent);
if(!clickEvent.heldDown){
// Time to go to our Href.
#if MOBILE || UNITY_METRO
// First, look for <source> elements.
// Grab the kids:
List<Element> kids=Element.childNodes;
if(kids!=null){
// For each child, grab it's src value. Favours the most suitable protocol for this platform (e.g. market:// on android).
foreach(Element child in kids){
if(child.Tag!="source"){
continue;
}
// Grab the src:
string childSrc=child["src"];
if(childSrc==null){
continue;
}
// Get the optional type - it can be Android,W8,IOS,Blackberry:
string type=child["type"];
if(type!=null){
type=type.Trim().ToLower();
}
#if UNITY_ANDROID
if(type=="android" || childSrc.StartsWith("market:")){
Href=childSrc;
}
#elif UNITY_WP8 || UNITY_METRO
if(type=="w8" || type=="wp8" || type=="windows" || childSrc.StartsWith("ms-windows-store:")){
Href=childSrc;
}
#elif UNITY_IPHONE
if(type=="ios" || childSrc.StartsWith("itms:") || childSrc.StartsWith("itms-apps:")){
Href=childSrc;
}
#endif
}
}
#endif
if(!string.IsNullOrEmpty(Href)){
FilePath path=new FilePath(Href,Element.Document.basepath,false);
// Do we have a file protocol handler available?
FileProtocol fileProtocol=path.Handler;
if(fileProtocol!=null){
fileProtocol.OnFollowLink(Element,path);
}
}
clickEvent.stopPropagation();
}
return true;
}
public ResourcesProtocolCallback(ImagePackage package,FilePath path){
Images=package;
Path=path;
}
public override void OnFollowLink(Element linkElement,FilePath path){
string target=linkElement["target"];
if(target!=null && target=="_blank"){
// Open the given url.
Application.OpenURL(path.Url);
return;
}
// Clear the document so it's obvious to the player the link is now loading:
linkElement.Document.innerHTML="";
linkElement.Document.location=path;
// Load the html. Note that path.Url is fully resolved at this point:
TextPackage package=new TextPackage(path.Url,"");
package.ExtraData=linkElement.Document;
package.Get(GotLinkText);
}
public override void OnGetData(DataPackage package,FilePath path){
HttpRequest request=new HttpRequest(path.Url,GotDataResult);
request.ExtraData=package;
request.Send();
}
public override void OnPostForm(FormData form,Element formElement,FilePath path){
// Post to HTTP; Action is our URL.
HttpRequest request=new HttpRequest(path.Url,OnFormSent);
request.ExtraData=formElement;
request.AttachForm(form.ToUnityForm());
request.Send();
}
/// <summary>The user clicked on the given link which points to the given path.</summary>
public virtual void OnFollowLink(Element linkElement,FilePath path){}
public override void OnFollowLink(Element linkElement,FilePath path){
Application.LoadLevel(path.Directory+path.File);
}
public override void OnGetText(TextPackage package,FilePath path){
if(Callback.WillDelay){
// Buffer this call until later - we're not on the main thread.
// Create the callback:
ResourcesProtocolCallback callback=new ResourcesProtocolCallback(package,path);
// Hook up the protocol handler for speed later:
callback.Protocol=this;
// Request it to run:
callback.Go();
return;
}
// Getting a files text content from resources.
string text=null;
string error=null;
string resPath=null;
string filetype=path.Filetype;
if(filetype=="html" || filetype=="htm" || filetype=="txt"){
resPath=path.Directory+path.Filename;
}else{
// The file MUST end in .bytes for this to work.
resPath=path.Path;
}
TextAsset asset=(TextAsset)Resources.Load(resPath);
if(asset==null){
error="File not found in resources ("+path.Directory+path.Filename+" from URL '"+path.Url+"')";
if(filetype=="css" || filetype=="ns" || filetype=="nitro"){
error+=" Additionally, note that '."+filetype+"' files are not recognised by Unity as a text file. Try renaming the file to ."+filetype+".bytes in your Resources folder.";
}
}else{
text=asset.text;
}
package.GotText(text,error);
}
/// <summary>Sets up the filepath to the given url which may be relative to a given location.</summary>
/// <param name="src">The file to get.</param>
/// <param name="relativeTo">The path the file to get is relative to, if any. May be null.</param>
/// <param name="useResolution">True if the resolution string should be appended to the name.</param>
private void SetPath(string src,string relativeTo,bool useResolution){
File=new FilePath(src,relativeTo,useResolution);
FileType=File.Filetype.ToLower();
PixelPerfect=File.UsedResolution;
}
public override bool FullAccess(FilePath path){
// This is entirely local and controlled by the developer - it's a safe protocol.
return true;
}
public override void OnGetText(TextPackage package,FilePath path){
// Work like a proper browser - Let's go grab text from the given url.
// Note that this will only work with simple sites (no JS - nitro only) or ones built specifically for PowerUI.
HttpRequest request=new HttpRequest(path.Url,GotTextResult);
request.ExtraData=package;
request.Send();
}
public override void OnGetData(DataPackage package,FilePath path){
if(Callback.WillDelay){
// Buffer this call until later - we're not on the main thread.
// Create the callback:
ResourcesProtocolCallback callback=new ResourcesProtocolCallback(package,path);
// Hook up the protocol handler for speed later:
callback.Protocol=this;
// Request it to run:
callback.Go();
return;
}
// Getting a files text content from resources.
byte[] data=null;
string error=null;
string resPath=path.Path;
TextAsset asset=(TextAsset)Resources.Load(resPath);
if(asset==null){
error="File not found in resources ("+path.Directory+path.Filename+" from URL '"+path.Url+"'). Does your file in Unity end with .bytes?";
}else{
data=asset.bytes;
}
package.GotData(data,error);
}
public override void OnFollowLink(Element linkElement,FilePath path){
// Grab the protocol:
string protocol=path.Protocol;
// Is it actually a web one?
string[] names=GetNames();
bool web=false;
for(int i=0;i<names.Length;i++){
if(protocol==names[i]){
web=true;
break;
}
}
Document targetDocument=null;
if(web){
// Otherwise it's e.g. an app link. No target there - always external.
// Resolve the link elements target:
targetDocument=ResolveTarget(linkElement);
}
if(targetDocument==null){
// Open the URL outside of Unity:
Application.OpenURL(path.Url);
}else{
// Load into that document:
LoadIntoDocument(path,targetDocument);
}
}
