renamed

mist/html_container.go

@@ -0,0 +1,147 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"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 := &ethpipe.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()
+}
+
+func (app *HtmlApplication) Post(data string, seed int) {
+	fmt.Println("about to call 'post'")
+	app.webView.Call("post", seed, data)
+}