[fractal/fractal-next] room: Use ruma's markdown feature

[Julian Sparber <jsparber src gnome org>]

commit 704773abfb352e1a3361626bf30b8c8c27a392da
Author: Kévin Commaille <zecakeh tedomum fr>
Date:   Fri May 21 16:18:16 2021 +0200

    room: Use ruma's markdown feature

 Cargo.lock               | 280 ++++++-----------------------------------------
 Cargo.toml               |   3 +-
 src/session/room/room.rs |  32 +-----
 3 files changed, 41 insertions(+), 274 deletions(-)
---
diff --git a/Cargo.lock b/Cargo.lock
index 40d526e4..7d05106a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,7 +8,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
 ]
 
 [[package]]
@@ -55,7 +55,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
 dependencies = [
  "cipher",
- "opaque-debug 0.3.0",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -65,7 +65,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
 dependencies = [
  "cipher",
- "opaque-debug 0.3.0",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -92,15 +92,6 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -162,17 +153,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -217,25 +197,13 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
-[[package]]
-name = "block-buffer"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
-dependencies = [
- "block-padding 0.1.5",
- "byte-tools",
- "byteorder",
- "generic-array 0.12.4",
-]
-
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
 ]
 
 [[package]]
@@ -244,19 +212,10 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "57a0e8073e8baa88212fb5823574c02ebccb395136ba9a164ab89379ec6072f0"
 dependencies = [
- "block-padding 0.2.1",
+ "block-padding",
  "cipher",
 ]
 
-[[package]]
-name = "block-padding"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-dependencies = [
- "byte-tools",
-]
-
 [[package]]
 name = "block-padding"
 version = "0.2.1"
@@ -269,12 +228,6 @@ version = "3.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "63396b8a4b9de3f4fdfb320ab6080762242f66a8ef174c49d8e19b674db4cdbe"
 
-[[package]]
-name = "byte-tools"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -383,22 +336,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
 dependencies = [
- "generic-array 0.14.4",
-]
-
-[[package]]
-name = "clap"
-version = "2.33.3"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
-dependencies = [
- "ansi_term 0.11.0",
- "atty",
- "bitflags",
- "strsim",
- "textwrap",
- "unicode-width",
- "vec_map",
+ "generic-array",
 ]
 
 [[package]]
@@ -410,25 +348,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "comrak"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "b423acba50d5016684beaf643f9991e622633a4c858be6885653071c2da2b0c6"
-dependencies = [
- "clap",
- "entities",
- "lazy_static",
- "pest",
- "pest_derive",
- "regex",
- "shell-words",
- "twoway",
- "typed-arena",
- "unicode_categories",
- "xdg",
-]
-
 [[package]]
 name = "concurrent-queue"
 version = "1.2.2"
@@ -514,7 +433,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
  "subtle",
 ]
 
@@ -548,22 +467,13 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "digest"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array 0.12.4",
-]
-
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
 ]
 
 [[package]]
@@ -587,12 +497,6 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "entities"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "b5320ae4c3782150d900b79807611a59a99fc9a1d61d686faafc24b93fc8d7ca"
-
 [[package]]
 name = "enumflags2"
 version = "0.6.4"
@@ -614,12 +518,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "fake-simd"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-
 [[package]]
 name = "fastrand"
 version = "1.4.1"
@@ -674,7 +572,6 @@ dependencies = [
 name = "fractal"
 version = "0.1.0"
 dependencies = [
- "comrak",
  "futures",
  "gettext-rs",
  "gtk-macros",
@@ -905,15 +802,6 @@ dependencies = [
  "system-deps",
 ]
 
-[[package]]
-name = "generic-array"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "ffdf9f34f1447443d37393cc6c2b8313aebddcd96906caf34e54c68d8e57d7bd"
-dependencies = [
- "typenum",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -973,7 +861,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "97304e4cd182c3846f7575ced3890c53012ce534ad9114046b0a9e00bb30a375"
 dependencies = [
- "opaque-debug 0.3.0",
+ "opaque-debug",
  "polyval",
 ]
 
@@ -1230,7 +1118,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "51ab2f639c231793c5f6114bdb9bbe50a7dbbfcd7c7c6bd8475dec2d991e964f"
 dependencies = [
- "digest 0.9.0",
+ "digest",
  "hmac",
 ]
 
@@ -1241,7 +1129,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
 dependencies = [
  "crypto-mac",
- "digest 0.9.0",
+ "digest",
 ]
 
 [[package]]
@@ -1904,12 +1792,6 @@ version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -2033,40 +1915,6 @@ dependencies = [
  "ucd-trie",
 ]
 
-[[package]]
-name = "pest_derive"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "833d1ae558dc601e9a60366421196a8d94bc0ac980476d0b67e1d0988d72b2d0"
-dependencies = [
- "pest",
- "pest_generator",
-]
-
-[[package]]
-name = "pest_generator"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
-dependencies = [
- "pest",
- "pest_meta",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pest_meta"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "54be6e404f5317079812fc8f9f5279de376d8856929e21c184ecf6bbd692a11d"
-dependencies = [
- "maplit",
- "pest",
- "sha-1",
-]
-
 [[package]]
 name = "phf"
 version = "0.8.0"
@@ -2173,7 +2021,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "eebcc4aa140b9abd2bc40d9c3f7ccec842679cd79045ac3a7ac698c1a064b7cd"
 dependencies = [
  "cpuid-bool",
- "opaque-debug 0.3.0",
+ "opaque-debug",
  "universal-hash",
 ]
 
@@ -2253,6 +2101,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "pulldown-cmark"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index";
+checksum = "ffade02495f22453cd593159ea2f59827aae7f53fa8323f756799b670881dcf8"
+dependencies = [
+ "bitflags",
+ "memchr",
+ "unicase",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.9"
@@ -2524,6 +2383,7 @@ checksum = "7f3b0aa9e199d77a89a88721ea01b6fd0f2102eff3c4c745c9adff2bc5fe4f5e"
 dependencies = [
  "indoc",
  "js_int",
+ "pulldown-cmark",
  "ruma-common",
  "ruma-events-macros",
  "ruma-identifiers",
@@ -2800,18 +2660,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "sha-1"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
-dependencies = [
- "block-buffer 0.7.3",
- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
 [[package]]
 name = "sha1"
 version = "0.6.0"
@@ -2824,11 +2672,11 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
 dependencies = [
- "block-buffer 0.9.0",
+ "block-buffer",
  "cfg-if 1.0.0",
  "cpufeatures",
- "digest 0.9.0",
- "opaque-debug 0.3.0",
+ "digest",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -2840,12 +2688,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "shell-words"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "b6fa3938c99da4914afedd13bf3d79bcb6c277d1b2c398d23257a304d9e1b074"
-
 [[package]]
 name = "siphasher"
 version = "0.3.5"
@@ -3005,12 +2847,6 @@ dependencies = [
  "quote",
 ]
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "strum"
 version = "0.20.0"
@@ -3101,15 +2937,6 @@ dependencies = [
  "utf-8",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.24"
@@ -3337,7 +3164,7 @@ version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "aa5553bf0883ba7c9cbe493b085c29926bd41b66afc31ff72cf17ff4fb60dcd5"
 dependencies = [
- "ansi_term 0.12.1",
+ "ansi_term",
  "chrono",
  "lazy_static",
  "matchers",
@@ -3359,22 +3186,6 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
-[[package]]
-name = "twoway"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "c57ffb460d7c24cd6eda43694110189030a3d1dfe418416d9468fd1c1d290b47"
-dependencies = [
- "memchr",
- "unchecked-index",
-]
-
-[[package]]
-name = "typed-arena"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
-
 [[package]]
 name = "typenum"
 version = "1.13.0"
@@ -3388,10 +3199,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
 [[package]]
-name = "unchecked-index"
-version = "0.2.2"
+name = "unicase"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "eeba86d422ce181a719445e51872fa30f1f7413b62becb52e95ec91aa262d85c"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
 
 [[package]]
 name = "unicode-bidi"
@@ -3417,24 +3231,12 @@ version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
-[[package]]
-name = "unicode_categories"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
-
 [[package]]
 name = "unindent"
 version = "0.1.7"
@@ -3447,7 +3249,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "8326b2c654932e3e4f9196e69d08fdf7cfd718e1dc6f66b347e6024a0c961402"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
  "subtle",
 ]
 
@@ -3485,12 +3287,6 @@ version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index";
 checksum = "cbdbff6266a24120518560b5dc983096efb98462e51d0d68169895b237be3e5d"
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
 [[package]]
 name = "version-compare"
 version = "0.0.11"
@@ -3661,12 +3457,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "xdg"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index";
-checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
-
 [[package]]
 name = "xml5ever"
 version = "0.16.1"
diff --git a/Cargo.toml b/Cargo.toml
index bbe6afeb..e3a63c00 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,6 @@ url = "2.2"
 secret-service = "2.0"
 html2pango = "0.4"
 futures = "0.3"
-comrak = "0.10"
 rand = "0.8"
 indexmap = "1.6.2"
 
@@ -38,4 +37,4 @@ git = "https://gitlab.gnome.org/World/Rust/libadwaita-rs.git";
 
 [dependencies.matrix-sdk]
 git = "https://github.com/matrix-org/matrix-rust-sdk.git";
-features = ["socks", "encryption", "sled_cryptostore", "sled_state_store"]
+features = ["socks", "encryption", "sled_cryptostore", "sled_state_store", "markdown"]
diff --git a/src/session/room/room.rs b/src/session/room/room.rs
index 4d99c718..0748cb5a 100644
--- a/src/session/room/room.rs
+++ b/src/session/room/room.rs
@@ -1,4 +1,3 @@
-use comrak::{markdown_to_html, ComrakOptions};
 use gettextrs::gettext;
 use gtk::{gio, glib, glib::clone, prelude::*, subclass::prelude::*};
 use log::{debug, error, warn};
@@ -449,37 +448,16 @@ impl Room {
     pub fn send_text_message(&self, body: &str, markdown_enabled: bool) {
         use std::convert::TryFrom;
         if let MatrixRoom::Joined(matrix_room) = self.matrix_room() {
-            let is_emote = body.starts_with("/me ");
-
-            // Don't use markdown for emotes
-            let body = if is_emote {
-                body.trim_start_matches("/me ")
-            } else {
-                body
-            };
-
-            let formatted = if markdown_enabled {
-                let mut md_options = ComrakOptions::default();
-                md_options.render.hardbreaks = true;
-                Some(markdown_to_html(&body, &md_options))
-            } else {
-                None
-            };
-
-            let content = if is_emote {
-                let emote = if let Some(formatted) =
-                    formatted.filter(|formatted| formatted.as_str() == body)
-                {
-                    EmoteMessageEventContent::html(body, formatted)
+            let content = if let Some(body) = body.strip_prefix("/me ") {
+                let emote = if markdown_enabled {
+                    EmoteMessageEventContent::markdown(body)
                 } else {
                     EmoteMessageEventContent::plain(body)
                 };
                 MessageEventContent::new(MessageType::Emote(emote))
             } else {
-                let text = if let Some(formatted) =
-                    formatted.filter(|formatted| formatted.as_str() == body)
-                {
-                    TextMessageEventContent::html(body, formatted)
+                let text = if markdown_enabled {
+                    TextMessageEventContent::markdown(body)
                 } else {
                     TextMessageEventContent::plain(body)
                 };