1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2019 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 messages
import (
"bytes"
"fmt"
"image"
"image/color"
"maunium.net/go/gomuks/matrix/event"
"maunium.net/go/mauview"
"maunium.net/go/tcell"
"maunium.net/go/gomuks/config"
"maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/interface"
"maunium.net/go/gomuks/lib/ansimage"
"maunium.net/go/gomuks/ui/messages/tstring"
)
type FileMessage struct {
Body string
Homeserver string
FileID string
data []byte
buffer []tstring.TString
matrix ifc.MatrixContainer
}
// NewFileMessage creates a new FileMessage object with the provided values and the default state.
func NewFileMessage(matrix ifc.MatrixContainer, evt *event.Event, displayname string, body, homeserver, fileID string, data []byte) *UIMessage {
return newUIMessage(evt, displayname, &FileMessage{
Body: body,
Homeserver: homeserver,
FileID: fileID,
data: data,
matrix: matrix,
})
}
func (msg *FileMessage) Clone() MessageRenderer {
data := make([]byte, len(msg.data))
copy(data, msg.data)
return &FileMessage{
Body: msg.Body,
Homeserver: msg.Homeserver,
FileID: msg.FileID,
data: data,
matrix: msg.matrix,
}
}
func (msg *FileMessage) RegisterMatrix(matrix ifc.MatrixContainer, prefs config.UserPreferences) {
msg.matrix = matrix
if len(msg.data) == 0 && !prefs.DisableDownloads {
go msg.updateData()
}
}
func (msg *FileMessage) NotificationContent() string {
return "Sent a file"
}
func (msg *FileMessage) PlainText() string {
return fmt.Sprintf("%s: %s", msg.Body, msg.matrix.GetDownloadURL(msg.Homeserver, msg.FileID))
}
func (msg *FileMessage) String() string {
return fmt.Sprintf(`&messages.FileMessage{Body="%s", Homeserver="%s", FileID="%s"}`, msg.Body, msg.Homeserver, msg.FileID)
}
func (msg *FileMessage) updateData() {
defer debug.Recover()
debug.Print("Loading file:", msg.Homeserver, msg.FileID)
data, _, _, err := msg.matrix.Download(fmt.Sprintf("mxc://%s/%s", msg.Homeserver, msg.FileID))
if err != nil {
debug.Printf("Failed to download file %s/%s: %v", msg.Homeserver, msg.FileID, err)
return
}
debug.Print("File", msg.Homeserver, msg.FileID, "loaded.")
msg.data = data
}
func (msg *FileMessage) Path() string {
return msg.matrix.GetCachePath(msg.Homeserver, msg.FileID)
}
func (msg *FileMessage) CalculateBuffer(prefs config.UserPreferences, width int, uiMsg *UIMessage) {
if width < 2 {
return
}
if prefs.BareMessageView || prefs.DisableImages || uiMsg.Type != "m.image" {
msg.buffer = calculateBufferWithText(prefs, tstring.NewTString(msg.PlainText()), width, uiMsg)
return
}
img, _, err := image.DecodeConfig(bytes.NewReader(msg.data))
if err != nil {
debug.Print("File could not be decoded:", err)
}
imgWidth := img.Width
if img.Width > width {
imgWidth = width / 3
}
ansFile, err := ansimage.NewScaledFromReader(bytes.NewReader(msg.data), 0, imgWidth, color.Black)
if err != nil {
msg.buffer = []tstring.TString{tstring.NewColorTString("Failed to display image", tcell.ColorRed)}
debug.Print("Failed to display image:", err)
return
}
msg.buffer = ansFile.Render()
}
func (msg *FileMessage) Height() int {
return len(msg.buffer)
}
func (msg *FileMessage) Draw(screen mauview.Screen) {
for y, line := range msg.buffer {
line.Draw(screen, 0, y)
}
}
|
