From 9e99f388cdaae575f37d5fe3357c15679acb98ee Mon Sep 17 00:00:00 2001
From: kennedy Izuegbu <kennedyizuegbu@yahoo.com>
Date: Thu, 13 May 2021 00:36:59 +0100
Subject: [PATCH] add loader widget to confirmation box (#400)

* add loader to create new wallet modal

* properly align the loader widget
- add the loader widget to (CreateAccountTemplate, ChangePasswordTemplate, ChangeStartupPasswordTemplate,
   ImportWatchOnlyWalletTemplate)

* add loader widget to send page
---
 ui/modal_templates.go | 18 ++++++++++++++++++
 ui/send_page.go       | 12 ++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/ui/modal_templates.go b/ui/modal_templates.go
index f284f5438..6541c7cfa 100644
--- a/ui/modal_templates.go
+++ b/ui/modal_templates.go
@@ -1,10 +1,12 @@
 package ui
 
 import (
+	"gioui.org/font/gofont"
 	"gioui.org/layout"
 	"gioui.org/text"
 	"gioui.org/unit"
 	"gioui.org/widget"
+	"gioui.org/widget/material"
 
 	"github.com/planetdecred/godcr/ui/decredmaterial"
 	"github.com/planetdecred/godcr/ui/values"
@@ -54,6 +56,7 @@ type modalLoad struct {
 	template    string
 	title       string
 	confirm     interface{}
+	loading     bool
 	confirmText string
 	cancel      interface{}
 	cancelText  string
@@ -88,6 +91,10 @@ func (m *ModalTemplate) importWatchOnlyWallet() []func(gtx C) D {
 	}
 }
 
+func (load *modalLoad) setLoading(isLoading bool) {
+	load.loading = isLoading
+}
+
 func (m *ModalTemplate) createNewWallet() []func(gtx C) D {
 	return []func(gtx C) D{
 		func(gtx C) D {
@@ -380,6 +387,7 @@ func (m *ModalTemplate) Layout(th *decredmaterial.Theme, load *modalLoad) []func
 	if !load.isReset {
 		m.resetFields()
 		load.isReset = true
+		load.setLoading(false)
 	}
 
 	title := []func(gtx C) D{
@@ -424,6 +432,12 @@ func (m *ModalTemplate) actions(th *decredmaterial.Theme, load *modalLoad) []fun
 							if load.template == RescanWalletTemplate {
 								m.confirm.Background, m.confirm.Color = th.Color.Surface, th.Color.Primary
 							}
+							if load.loading {
+								th := material.NewTheme(gofont.Collection())
+								return layout.Inset{Top: unit.Dp(7)}.Layout(gtx, func(gtx C) D {
+									return material.Loader(th).Layout(gtx)
+								})
+							}
 							return m.confirm.Layout(gtx)
 						})
 					}),
@@ -444,6 +458,7 @@ func (m *ModalTemplate) handle(th *decredmaterial.Theme, load *modalLoad) (templ
 
 		if m.editorsNotEmpty(th, m.walletName.Editor, m.spendingPassword.Editor, m.matchSpendingPassword.Editor) &&
 			m.confirm.Button.Clicked() {
+			load.setLoading(true)
 			if m.passwordsMatch(m.spendingPassword.Editor, m.matchSpendingPassword.Editor) {
 				load.confirm.(func(string, string))(m.walletName.Editor.Text(), m.spendingPassword.Editor.Text())
 			}
@@ -480,6 +495,7 @@ func (m *ModalTemplate) handle(th *decredmaterial.Theme, load *modalLoad) (templ
 		return
 	case CreateAccountTemplate:
 		if m.editorsNotEmpty(th, m.walletName.Editor, m.spendingPassword.Editor) && m.confirm.Button.Clicked() {
+			load.setLoading(true)
 			load.confirm.(func(string, string))(m.walletName.Editor.Text(), m.spendingPassword.Editor.Text())
 		}
 		if m.cancel.Button.Clicked() {
@@ -512,6 +528,7 @@ func (m *ModalTemplate) handle(th *decredmaterial.Theme, load *modalLoad) (templ
 
 		if m.editorsNotEmpty(th, m.oldSpendingPassword.Editor, m.spendingPassword.Editor, m.matchSpendingPassword.Editor) &&
 			m.confirm.Button.Clicked() {
+			load.setLoading(true)
 			if m.passwordsMatch(m.spendingPassword.Editor, m.matchSpendingPassword.Editor) {
 				load.confirm.(func(string, string))(m.oldSpendingPassword.Editor.Text(), m.spendingPassword.Editor.Text())
 			}
@@ -535,6 +552,7 @@ func (m *ModalTemplate) handle(th *decredmaterial.Theme, load *modalLoad) (templ
 		return
 	case ImportWatchOnlyWalletTemplate:
 		if m.confirm.Button.Clicked() {
+			load.setLoading(true)
 			load.confirm.(func(string, string))(m.walletName.Editor.Text(), m.extendedPublicKey.Editor.Text())
 		}
 		if m.cancel.Button.Clicked() {
diff --git a/ui/send_page.go b/ui/send_page.go
index 569ad3714..ef8d153dd 100644
--- a/ui/send_page.go
+++ b/ui/send_page.go
@@ -7,8 +7,11 @@ import (
 	"strconv"
 	"strings"
 
+	"gioui.org/font/gofont"
 	"gioui.org/layout"
+	"gioui.org/unit"
 	"gioui.org/widget"
+	"gioui.org/widget/material"
 
 	"github.com/decred/dcrd/dcrutil"
 	"github.com/planetdecred/dcrlibwallet"
@@ -583,6 +586,12 @@ func (pg *sendPage) confirmationModal(gtx layout.Context, common pageCommon) lay
 						})
 					}),
 					layout.Rigid(func(gtx C) D {
+						if common.modalLoad.loading {
+							th := material.NewTheme(gofont.Collection())
+							return layout.Inset{Top: unit.Dp(7)}.Layout(gtx, func(gtx C) D {
+								return material.Loader(th).Layout(gtx)
+							})
+						}
 						pg.confirmButton.Text = fmt.Sprintf("Send %s", dcrutil.Amount(pg.totalCostDCR).String())
 						return pg.confirmButton.Layout(gtx)
 					}),
@@ -920,6 +929,7 @@ func (pg *sendPage) watchForBroadcastResult(c pageCommon) {
 		pg.isConfirmationModalOpen = false
 		pg.isBroadcastingTransaction = false
 		pg.resetFields()
+		c.modalLoad.setLoading(false)
 		pg.broadcastResult.TxHash = ""
 		pg.calculateValues(c)
 		pg.destinationAddressEditor.Editor.SetText("")
@@ -1076,6 +1086,7 @@ func (pg *sendPage) Handle(c pageCommon) {
 	pg.watchForBroadcastResult(c)
 
 	for pg.confirmButton.Button.Clicked() {
+		c.modalLoad.setLoading(true)
 		if !pg.inputsNotEmpty(pg.passwordEditor.Editor) {
 			return
 		}
@@ -1098,6 +1109,7 @@ func (pg *sendPage) Handle(c pageCommon) {
 	}
 
 	for pg.closeConfirmationModalButton.Button.Clicked() {
+		c.modalLoad.setLoading(false)
 		pg.isConfirmationModalOpen = false
 	}