package main import ( "encoding/json" "errors" "io/ioutil" "net/url" "os" "path" "path/filepath" "github.com/ethereum/eth-go/ethchain" "github.com/ethereum/eth-go/ethpipe" "github.com/ethereum/eth-go/ethstate" "github.com/ethereum/eth-go/ethutil" "github.com/ethereum/go-ethereum/javascript" "github.com/howeyc/fsnotify" "gopkg.in/qml.v1" ) type HtmlApplication struct { win *qml.Window webView qml.Object engine *qml.Engine lib *UiLib path string watcher *fsnotify.Watcher } func NewHtmlApplication(path string, lib *UiLib) *HtmlApplication { engine := qml.NewEngine() return &HtmlApplication{engine: engine, lib: lib, path: path} } func (app *HtmlApplication) Create() error { component, err := app.engine.LoadFile(app.lib.AssetPath("qml/webapp.qml")) if err != nil { return err } if filepath.Ext(app.path) == "eth" { return errors.New("Ethereum package not yet supported") // TODO //ethutil.OpenPackage(app.path) } win := component.CreateWindow(nil) win.Set("url", app.path) webView := win.ObjectByName("webView") app.win = win app.webView = webView return nil } func (app *HtmlApplication) RootFolder() string { folder, err := url.Parse(app.path) if err != nil { return "" } return path.Dir(ethutil.WindonizePath(folder.RequestURI())) } func (app *HtmlApplication) RecursiveFolders() []os.FileInfo { files, _ := ioutil.ReadDir(app.RootFolder()) var folders []os.FileInfo for _, file := range files { if file.IsDir() { folders = append(folders, file) } } return folders } func (app *HtmlApplication) NewWatcher(quitChan chan bool) { var err error app.watcher, err = fsnotify.NewWatcher() if err != nil { logger.Infoln("Could not create new auto-reload watcher:", err) return } err = app.watcher.Watch(app.RootFolder()) if err != nil { logger.Infoln("Could not start auto-reload watcher:", err) return } for _, folder := range app.RecursiveFolders() { fullPath := app.RootFolder() + "/" + folder.Name() app.watcher.Watch(fullPath) } go func() { out: for { select { case <-quitChan: app.watcher.Close() break out case <-app.watcher.Event: //logger.Debugln("Got event:", ev) app.webView.Call("reload") case err := <-app.watcher.Error: // TODO: Do something here logger.Infoln("Watcher error:", err) } } }() } func (app *HtmlApplication) Engine() *qml.Engine { return app.engine } func (app *HtmlApplication) Window() *qml.Window { return app.win } func (app *HtmlApplication) NewBlock(block *ethchain.Block) { b := ðpipe.JSBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())} app.webView.Call("onNewBlockCb", b) } func (self *HtmlApplication) Messages(messages ethstate.Messages, id string) { var msgs []javascript.JSMessage for _, m := range messages { msgs = append(msgs, javascript.NewJSMessage(m)) } b, _ := json.Marshal(msgs) self.webView.Call("onWatchedCb", string(b), id) } func (app *HtmlApplication) Destroy() { app.engine.Destroy() }