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/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/ui/qt"
"github.com/ethereum/go-ethereum/xeth"
"github.com/obscuren/qml"
)
type AppContainer interface {
Create() error
Destroy()
Window() *qml.Window
Engine() *qml.Engine
NewBlock(*types.Block)
NewWatcher(chan bool)
Post(string, int)
}
type ExtApplication struct {
*xeth.XEth
eth core.EthManager
events event.Subscription
watcherQuitChan chan bool
filters map[string]*core.Filter
container AppContainer
lib *UiLib
}
func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
return &ExtApplication{
XEth: xeth.New(lib.eth),
eth: lib.eth,
watcherQuitChan: make(chan bool),
filters: make(map[string]*core.Filter),
container: container,
lib: lib,
}
}
func (app *ExtApplication) run() {
// Set the "eth" api on to the containers context
context := app.container.Engine().Context()
context.SetVar("eth", app)
context.SetVar("ui", app.lib)
err := app.container.Create()
if err != nil {
guilogger.Errorln(err)
return
}
// Call the main loop
go app.mainLoop()
app.container.NewWatcher(app.watcherQuitChan)
win := app.container.Window()
win.Show()
win.Wait()
app.stop()
}
func (app *ExtApplication) stop() {
app.events.Unsubscribe()
// Kill the main loop
app.watcherQuitChan <- true
app.container.Destroy()
}
func (app *ExtApplication) mainLoop() {
for ev := range app.events.Chan() {
switch ev := ev.(type) {
case core.NewBlockEvent:
app.container.NewBlock(ev.Block)
/* TODO remove
case state.Messages:
for id, filter := range app.filters {
msgs := filter.FilterMessages(ev)
if len(msgs) > 0 {
app.container.Messages(msgs, id)
}
}
*/
}
}
}
func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) {
self.filters[identifier] = qt.NewFilterFromMap(filterOptions, self.eth)
}
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