backend: Add basic support

bilelmoussaoui · Feb 28, 2023 · 8a77700 · 8a77700
1 parent ec5c623
commit 8a77700
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Showing 37 changed files with 3,144 additions and 11 deletions.
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
@@ -23,11 +23,11 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: check
-          args: --features "gtk4,pipewire,wayland,raw_handle"
+          args: --features "gtk4,pipewire,wayland,raw_handle,backend"
       - uses: actions-rs/cargo@v1
         with:
           command: check
-          args: --features "gtk3,pipewire,wayland,raw_handle"
+          args: --features "gtk3,pipewire,wayland,raw_handle,backend"
 
   test:
     name: Test Suite
@@ -46,11 +46,11 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --features "gtk4,pipewire,wayland,raw_handle"
+          args: --features "gtk4,pipewire,wayland,raw_handle,backend"
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --features "gtk3,pipewire,wayland,raw_handle"
+          args: --features "gtk3,pipewire,wayland,raw_handle,backend"
 
   fmt:
     name: Rustfmt
@@ -90,8 +90,8 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: --features "gtk4,pipewire,wayland,raw_handle" -- -D warnings
+          args: --features "gtk4,pipewire,wayland,raw_handle,backend" -- -D warnings
       - uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: --features "gtk3,pipewire,wayland,raw_handle" -- -D warnings
+          args: --features "gtk3,pipewire,wayland,raw_handle,backend" -- -D warnings
diff --git a/.github/workflows/backend-demo-ci.yml b/.github/workflows/backend-demo-ci.yml
@@ -0,0 +1,85 @@
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+name: Backend Demo CI
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-22.04
+    container:
+      image: ghcr.io/gtk-rs/gtk4-rs/gtk4:latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: sudo dnf install -y gettext-devel
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --manifest-path=ashpd-backend-demo/Cargo.toml
+
+  test:
+    name: Test Suite
+    runs-on: ubuntu-22.04
+    container:
+      image: ghcr.io/gtk-rs/gtk4-rs/gtk4:latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: sudo dnf install -y gettext-devel
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --manifest-path=ashpd-backend-demo/Cargo.toml
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-22.04
+    container:
+      image: ghcr.io/gtk-rs/gtk4-rs/gtk4:latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: sudo dnf install -y gettext-devel
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --manifest-path=ashpd-backend-demo/Cargo.toml --all -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-22.04
+    container:
+      image: ghcr.io/gtk-rs/gtk4-rs/gtk4:latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: sudo dnf install -y gettext-devel
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add clippy
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: --manifest-path=ashpd-backend-demo/Cargo.toml -- -D warnings
diff --git a/.gitignore b/.gitignore
@@ -15,9 +15,11 @@ ashpd-demo/_build/
 ashpd-demo/builddir/
 ashpd-demo/src/config.rs
 ashpd-demo/target/
+ashpd-backend-demo/target
 
 .flatpak
 .vscode
 _build/
 builddir/
 session-test
+.fenv
diff --git a/Cargo.toml b/Cargo.toml
@@ -12,6 +12,14 @@ version = "0.4.0-alpha.4"
 
 [features]
 default = ["async-std"]
+backend = ["async-trait", "futures", "nix"]
+backend_gtk3 = ["backend_gtk3_x11", "backend_gtk3_wayland"]
+backend_gtk3_x11 = ["x11", "gtk3_x11"]
+backend_gtk3_wayland = ["gtk3_wayland"]
+backend_gtk4 = ["backend_gtk4_x11", "backend_gtk4_wayland"]
+backend_gtk4_x11 = ["x11", "gtk4_x11", "gdk4x11/xlib"]
+backend_gtk4_wayland = ["gtk4_wayland"]
+
 gtk3_x11 = ["gdk3x11", "dep:gtk3"]
 gtk3_wayland = ["gdk3wayland", "dep:gtk3"]
 gtk3 = ["gtk3_x11", "gtk3_wayland"]
@@ -33,6 +41,9 @@ gdk4wayland = {package = "gdk4-wayland", version = "0.6", optional = true}
 gdk4x11 = {package = "gdk4-x11", version = "0.6", optional = true}
 gtk4 = {version = "0.6", optional = true}
 
+x11 = { version = "2.18.1", features = ["xlib"], optional = true }
+nix = {version = "0.26", features = ["user"], default-features=false, optional=true}
+
 pw = {package= "pipewire", version = "0.6", optional = true}
 serde = {version = "1.0", features = ["derive"]}
 serde_repr = "0.1"
@@ -50,6 +61,8 @@ async-std = {version = "1.12", optional = true}
 tokio = {version = "1.21", features = ["fs", "io-util"], optional = true, default-features = false}
 once_cell = "1.14"
 url = {version = "2.3", features = ["serde"]}
+async-trait = {version = "0.1.60", optional = true}
+futures = { version = "0.3.25", features = ["executor", "thread-pool"], optional = true}
 
 [dev-dependencies]
 serde_json = "1.0"

diff --git a/ashpd-backend-demo/Cargo.toml b/ashpd-backend-demo/Cargo.toml
@@ -0,0 +1,25 @@
+[package]
+name = "ashpd-backend-demo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+adw = {package = "libadwaita", version = "0.3", features = ["v1_2"] }
+anyhow = "1.0"
+async-trait = "0.1.60"
+byteorder = "1.4.3"
+futures-channel = "0.3.25"
+futures-util = "0.3.25"
+gettext-rs = "0.7.0"
+gtk = { version = "0.6", package = "gtk4", features = ["v4_10"] }
+log = "0.4.17"
+serde = { version = "1.0", features = ["derive"] }
+tracing-subscriber = "0.3.16"
+url = "2.3.1"
+
+zbus = {version = "3.6.2", features = ["gvariant"] }
+once_cell = "1.17.0"
+
+[dependencies.ashpd]
+path = "../"
+features = ["backend", "gtk4", "backend_gtk4", "tracing"]
diff --git a/ashpd-backend-demo/data/ashpd-gnome.portal b/ashpd-backend-demo/data/ashpd-gnome.portal
@@ -0,0 +1,4 @@
+[portal]
+DBusName=org.freedesktop.impl.portal.desktop.ashpd-backend-demo
+Interfaces=org.freedesktop.impl.portal.Account;org.freedesktop.impl.portal.Screenshot;org.freedesktop.impl.portal.Wallpaper;
+UseIn=gnome
diff --git a/ashpd-backend-demo/src/account.rs b/ashpd-backend-demo/src/account.rs
@@ -0,0 +1,60 @@
+use std::ops::ControlFlow;
+
+use ashpd::{
+    backend::{
+        account::{AccountImpl, UserInformationOptions},
+        request::RequestImpl,
+    },
+    desktop::{account::UserInformation, Response},
+    AppID, ExternalWindow, WindowIdentifierType,
+};
+use async_trait::async_trait;
+use gtk::prelude::*;
+
+use crate::account_preview::AccountPreview;
+
+#[derive(Default)]
+pub struct Account;
+
+#[async_trait]
+impl RequestImpl for Account {
+    async fn close(&self) {
+        log::debug!("IN Close()");
+    }
+}
+
+#[async_trait]
+impl AccountImpl for Account {
+    async fn get_user_information(
+        &self,
+        app_id: AppID,
+        window_identifier: WindowIdentifierType,
+        options: UserInformationOptions,
+    ) -> Response<UserInformation> {
+        log::debug!("IN GetUserInformation({app_id}, {window_identifier:?}, {options:?})",);
+        let flow: ControlFlow<(), UserInformation> = {
+            log::debug!("Opening account preview");
+            let preview = AccountPreview::default();
+            preview.set_heading(&app_id, options.reason());
+            {
+                let external_window = ExternalWindow::new(window_identifier);
+                let fake_window = ExternalWindow::fake(external_window.as_ref());
+                preview.set_transient_for(Some(&fake_window));
+
+                if let Some(ref external) = external_window {
+                    gtk::Widget::realize(preview.upcast_ref());
+                    external.set_parent_of(&preview.surface());
+                }
+            }
+            preview.present_and_wait().await
+        };
+
+        let response = match flow {
+            ControlFlow::Break(()) => Response::cancelled(),
+            ControlFlow::Continue(user_info) => Response::Ok(user_info),
+        };
+
+        log::debug!("OUT GetUserInformation({response:?})",);
+        response
+    }
+}