1 files changed, 122 insertions, 0 deletions
diff --git a/cmd/mist/ext_app.go b/cmd/mist/ext_app.go
new file mode 100644
index 000000000..7ac51db0b
--- /dev/null
+++ b/cmd/mist/ext_app.go
@@ -0,0 +1,122 @@
+/*
+	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.Backend
+
+	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)
+}