diff options
author | Simon Magnin-Feysot <simon.magninfeysot@iguanesolutions.com> | 2020-04-07 18:06:20 +0200 |
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committer | Simon Magnin-Feysot <simon.magninfeysot@iguanesolutions.com> | 2020-04-07 18:20:06 +0200 |
commit | 8b68140dc9e4bc6d51f49a4a38a09e1a0b0ffd67 (patch) | |
tree | 6c4c0559986a96cd0807e1fe5d02e2b4b1c1871a /ui/messages/filemessage.go | |
parent | f0e5e0022f565034393a8d5f0afcbd21470284c3 (diff) |
refactor to allow every file message to be downloaded
Diffstat (limited to 'ui/messages/filemessage.go')
-rw-r--r-- | ui/messages/filemessage.go | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/ui/messages/filemessage.go b/ui/messages/filemessage.go new file mode 100644 index 0000000..3878b56 --- /dev/null +++ b/ui/messages/filemessage.go @@ -0,0 +1,142 @@ +// 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) { + msg.matrix = matrix + + if len(msg.data) == 0 { + 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) + } +} |