165 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			165 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
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| //
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| // This library is free software; you can redistribute it and/or
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| // modify it under the terms of the GNU General Public
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| // License as published by the Free Software Foundation; either
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| // version 2.1 of the License, or (at your option) any later version.
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| //
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| // This library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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| // General Public License for more details.
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| //
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| // You should have received a copy of the GNU General Public License
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| // along with this library; if not, write to the Free Software
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| // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| // MA 02110-1301  USA
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| 
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| package main
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| 
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| import (
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| 	"encoding/json"
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| 	"errors"
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| 	"fmt"
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| 	"io/ioutil"
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| 	"net/url"
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| 	"os"
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| 	"path"
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| 	"path/filepath"
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| 
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| 	"github.com/ethereum/go-ethereum/chain"
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| 	"github.com/ethereum/go-ethereum/ethutil"
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| 	"github.com/ethereum/go-ethereum/javascript"
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| 	"github.com/ethereum/go-ethereum/state"
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| 	"github.com/ethereum/go-ethereum/xeth"
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| 	"github.com/howeyc/fsnotify"
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| 	"gopkg.in/qml.v1"
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| )
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| 
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| type HtmlApplication struct {
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| 	win     *qml.Window
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| 	webView qml.Object
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| 	engine  *qml.Engine
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| 	lib     *UiLib
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| 	path    string
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| 	watcher *fsnotify.Watcher
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| }
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| 
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| func NewHtmlApplication(path string, lib *UiLib) *HtmlApplication {
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| 	engine := qml.NewEngine()
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| 
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| 	return &HtmlApplication{engine: engine, lib: lib, path: path}
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| 
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| }
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| 
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| func (app *HtmlApplication) Create() error {
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| 	component, err := app.engine.LoadFile(app.lib.AssetPath("qml/webapp.qml"))
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| 	if err != nil {
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| 		return err
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| 	}
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| 
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| 	if filepath.Ext(app.path) == "eth" {
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| 		return errors.New("Ethereum package not yet supported")
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| 
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| 		// TODO
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| 		//ethutil.OpenPackage(app.path)
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| 	}
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| 
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| 	win := component.CreateWindow(nil)
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| 	win.Set("url", app.path)
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| 	webView := win.ObjectByName("webView")
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| 
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| 	app.win = win
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| 	app.webView = webView
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| 
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| 	return nil
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| }
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| 
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| func (app *HtmlApplication) RootFolder() string {
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| 	folder, err := url.Parse(app.path)
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| 	if err != nil {
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| 		return ""
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| 	}
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| 	return path.Dir(ethutil.WindonizePath(folder.RequestURI()))
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| }
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| func (app *HtmlApplication) RecursiveFolders() []os.FileInfo {
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| 	files, _ := ioutil.ReadDir(app.RootFolder())
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| 	var folders []os.FileInfo
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| 	for _, file := range files {
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| 		if file.IsDir() {
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| 			folders = append(folders, file)
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| 		}
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| 	}
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| 	return folders
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| }
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| 
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| func (app *HtmlApplication) NewWatcher(quitChan chan bool) {
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| 	var err error
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| 
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| 	app.watcher, err = fsnotify.NewWatcher()
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| 	if err != nil {
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| 		guilogger.Infoln("Could not create new auto-reload watcher:", err)
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| 		return
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| 	}
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| 	err = app.watcher.Watch(app.RootFolder())
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| 	if err != nil {
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| 		guilogger.Infoln("Could not start auto-reload watcher:", err)
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| 		return
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| 	}
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| 	for _, folder := range app.RecursiveFolders() {
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| 		fullPath := app.RootFolder() + "/" + folder.Name()
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| 		app.watcher.Watch(fullPath)
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| 	}
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| 
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| 	go func() {
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| 	out:
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| 		for {
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| 			select {
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| 			case <-quitChan:
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| 				app.watcher.Close()
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| 				break out
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| 			case <-app.watcher.Event:
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| 				//guilogger.Debugln("Got event:", ev)
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| 				app.webView.Call("reload")
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| 			case err := <-app.watcher.Error:
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| 				// TODO: Do something here
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| 				guilogger.Infoln("Watcher error:", err)
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| 			}
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| 		}
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| 	}()
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| 
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| }
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| 
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| func (app *HtmlApplication) Engine() *qml.Engine {
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| 	return app.engine
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| }
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| 
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| func (app *HtmlApplication) Window() *qml.Window {
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| 	return app.win
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| }
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| 
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| func (app *HtmlApplication) NewBlock(block *chain.Block) {
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| 	b := &xeth.JSBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())}
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| 	app.webView.Call("onNewBlockCb", b)
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| }
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| 
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| func (self *HtmlApplication) Messages(messages state.Messages, id string) {
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| 	var msgs []javascript.JSMessage
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| 	for _, m := range messages {
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| 		msgs = append(msgs, javascript.NewJSMessage(m))
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| 	}
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| 
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| 	b, _ := json.Marshal(msgs)
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| 
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| 	self.webView.Call("onWatchedCb", string(b), id)
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| }
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| 
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| func (app *HtmlApplication) Destroy() {
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| 	app.engine.Destroy()
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| }
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| 
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| func (app *HtmlApplication) Post(data string, seed int) {
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| 	fmt.Println("about to call 'post'")
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| 	app.webView.Call("post", seed, data)
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| }
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