Add progress bar for first sync

ui/syncing-modal.go

@@ -0,0 +1,71 @@
+// gomuks - A terminal Matrix client written in Go.
+// Copyright (C) 2020 Tulir Asokan
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ui
+
+import (
+	"time"
+
+	"maunium.net/go/mauview"
+)
+
+type SyncingModal struct {
+	parent   *MainView
+	text     *mauview.TextView
+	progress *mauview.ProgressBar
+}
+
+func NewSyncingModal(parent *MainView) (mauview.Component, *SyncingModal) {
+	sm := &SyncingModal{
+		parent:   parent,
+		progress: mauview.NewProgressBar(),
+		text:     mauview.NewTextView(),
+	}
+	return mauview.Center(
+		mauview.NewBox(
+			mauview.NewFlex().
+				SetDirection(mauview.FlexRow).
+				AddFixedComponent(sm.progress, 1).
+				AddFixedComponent(mauview.Center(sm.text, 40, 1), 1)).
+			SetTitle("Synchronizing"),
+		42, 4).
+		SetAlwaysFocusChild(true), sm
+}
+
+func (sm *SyncingModal) SetMessage(text string) {
+	sm.text.SetText(text)
+}
+
+func (sm *SyncingModal) SetIndeterminate() {
+	sm.progress.SetIndeterminate(true)
+	sm.parent.parent.app.SetRedrawTicker(100 * time.Millisecond)
+	sm.parent.parent.app.Redraw()
+}
+
+func (sm *SyncingModal) SetSteps(max int) {
+	sm.progress.SetMax(max)
+	sm.progress.SetIndeterminate(false)
+	sm.parent.parent.app.SetRedrawTicker(1 * time.Minute)
+	sm.parent.parent.Render()
+}
+
+func (sm *SyncingModal) Step() {
+	sm.progress.Increment(1)
+}
+
+func (sm *SyncingModal) Close() {
+	sm.parent.HideModal()
+}

ui/view-main.go

@@ -169,6 +169,12 @@ func (view *MainView) ShowBare(roomView *RoomView) {
 	})
 }
 
+func (view *MainView) OpenSyncingModal() ifc.SyncingModal {
+	component, modal := NewSyncingModal(view)
+	view.ShowModal(component)
+	return modal
+}
+
 func (view *MainView) OnKeyEvent(event mauview.KeyEvent) bool {
 	view.BumpFocus(view.currentRoom)