Official Go implementation of the Ethereum protocol
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go-ethereum/ethereal/ui/html_container.go

75 lines
1.6 KiB

package ethui
import (
"errors"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethutil"
"github.com/go-qml/qml"
"math/big"
"path/filepath"
)
type HtmlApplication struct {
win *qml.Window
webView qml.Object
engine *qml.Engine
lib *UiLib
path string
}
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) Engine() *qml.Engine {
return app.engine
}
func (app *HtmlApplication) Window() *qml.Window {
return app.win
}
func (app *HtmlApplication) NewBlock(block *ethchain.Block) {
b := &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
app.webView.Call("onNewBlockCb", b)
}
func (app *HtmlApplication) ObjectChanged(stateObject *ethchain.StateObject) {
app.webView.Call("onObjectChangeCb", ethpub.NewPStateObject(stateObject))
}
func (app *HtmlApplication) StorageChanged(stateObject *ethchain.StateObject, addr []byte, value *big.Int) {
app.webView.Call("onStorageChangeCb", nil)
}
func (app *HtmlApplication) Destroy() {
app.engine.Destroy()
}