api: unify dms API clients

- Single subscribe socket
- Single req/callback socket
- Remove PrepareForSleep handling
- Dependency on dms API version enforcement
- Remove gdbus from portal and session

Services/PortalService.qml

@@ -22,24 +22,22 @@ Singleton {
     function init() {}
 
     function getSystemProfileImage() {
-        if (freedeskAvailable) {
-            const username = Quickshell.env("USER")
-            if (!username) return
+        if (!freedeskAvailable) return
 
-            DMSService.sendRequest("freedesktop.accounts.getUserIconFile", { username: username }, response => {
-                if (response.result && response.result.success) {
-                    const iconFile = response.result.value || ""
-                    if (iconFile && iconFile !== "" && iconFile !== "/var/lib/AccountsService/icons/") {
-                        systemProfileImage = iconFile
-                        if (!profileImage || profileImage === "") {
-                            profileImage = iconFile
-                        }
+        const username = Quickshell.env("USER")
+        if (!username) return
+
+        DMSService.sendRequest("freedesktop.accounts.getUserIconFile", { username: username }, response => {
+            if (response.result && response.result.success) {
+                const iconFile = response.result.value || ""
+                if (iconFile && iconFile !== "" && iconFile !== "/var/lib/AccountsService/icons/") {
+                    systemProfileImage = iconFile
+                    if (!profileImage || profileImage === "") {
+                        profileImage = iconFile
                     }
                 }
-            })
-        } else {
-            systemProfileCheckProcess.running = true
-        }
+            }
+        })
     }
 
     function getUserProfileImage(username) {
@@ -52,26 +50,23 @@ Singleton {
             return
         }
 
-        if (freedeskAvailable) {
-            DMSService.sendRequest("freedesktop.accounts.getUserIconFile", { username: username }, response => {
-                if (response.result && response.result.success) {
-                    const icon = response.result.value || ""
-                    if (icon && icon !== "" && icon !== "/var/lib/AccountsService/icons/") {
-                        profileImage = icon
-                    } else {
-                        profileImage = ""
-                    }
+        if (!freedeskAvailable) {
+            profileImage = ""
+            return
+        }
+
+        DMSService.sendRequest("freedesktop.accounts.getUserIconFile", { username: username }, response => {
+            if (response.result && response.result.success) {
+                const icon = response.result.value || ""
+                if (icon && icon !== "" && icon !== "/var/lib/AccountsService/icons/") {
+                    profileImage = icon
                 } else {
                     profileImage = ""
                 }
-            })
-        } else {
-            userProfileCheckProcess.command = [
-                "bash", "-c",
-                `uid=$(id -u ${username} 2>/dev/null) && [ -n "$uid" ] && dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts/User$uid org.freedesktop.DBus.Properties.Get string:org.freedesktop.Accounts.User string:IconFile 2>/dev/null | grep -oP 'string "\\K[^"]+' || echo ""`
-            ]
-            userProfileCheckProcess.running = true
-        }
+            } else {
+                profileImage = ""
+            }
+        })
     }
 
     function setProfileImage(imagePath) {
@@ -86,25 +81,23 @@ Singleton {
     }
 
     function getSystemColorScheme() {
-        if (freedeskAvailable) {
-            DMSService.sendRequest("freedesktop.settings.getColorScheme", null, response => {
-                if (response.result) {
-                    systemColorScheme = response.result.value || 0
+        if (!freedeskAvailable) return
 
-                    if (typeof Theme !== "undefined") {
-                        const shouldBeLightMode = (systemColorScheme === 2)
-                        if (Theme.isLightMode !== shouldBeLightMode) {
-                            Theme.isLightMode = shouldBeLightMode
-                            if (typeof SessionData !== "undefined") {
-                                SessionData.setLightMode(shouldBeLightMode)
-                            }
+        DMSService.sendRequest("freedesktop.settings.getColorScheme", null, response => {
+            if (response.result) {
+                systemColorScheme = response.result.value || 0
+
+                if (typeof Theme !== "undefined") {
+                    const shouldBeLightMode = (systemColorScheme === 2)
+                    if (Theme.isLightMode !== shouldBeLightMode) {
+                        Theme.isLightMode = shouldBeLightMode
+                        if (typeof SessionData !== "undefined") {
+                            SessionData.setLightMode(shouldBeLightMode)
                         }
                     }
                 }
-            })
-        } else {
-            systemColorSchemeCheckProcess.running = true
-        }
+            }
+        })
     }
 
     function setLightMode(isLightMode) {
@@ -114,49 +107,32 @@ Singleton {
     }
 
     function setSystemColorScheme(isLightMode) {
-        if (!settingsPortalAvailable) return
+        if (!settingsPortalAvailable || !freedeskAvailable) return
 
-        const colorScheme = isLightMode ? "default" : "prefer-dark"
-        colorSchemeSetProcess.command = ["gsettings", "set", "org.gnome.desktop.interface", "color-scheme", colorScheme]
-        colorSchemeSetProcess.running = true
-    }
-
-    Process {
-        id: colorSchemeSetProcess
-        running: false
-
-        onExited: exitCode => {
-            if (exitCode === 0) {
+        DMSService.sendRequest("freedesktop.settings.setColorScheme", { preferDark: !isLightMode }, response => {
+            if (!response.error) {
                 Qt.callLater(() => getSystemColorScheme())
             }
-        }
+        })
     }
 
     function setSystemProfileImage(imagePath) {
-        if (!accountsServiceAvailable) return
+        if (!accountsServiceAvailable || !freedeskAvailable) return
 
-        if (freedeskAvailable) {
-            DMSService.sendRequest("freedesktop.accounts.setIconFile", { path: imagePath || "" }, response => {
-                if (response.error) {
-                    console.warn("PortalService: Failed to set icon file:", response.error)
-                } else {
-                    Qt.callLater(() => getSystemProfileImage())
-                }
-            })
-        } else {
-            const path = imagePath || ""
-            systemProfileSetProcess.command = ["bash", "-c", `dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts/User$(id -u) org.freedesktop.Accounts.User.SetIconFile string:'${path}'`]
-            systemProfileSetProcess.running = true
-        }
+        DMSService.sendRequest("freedesktop.accounts.setIconFile", { path: imagePath || "" }, response => {
+            if (response.error) {
+                console.warn("PortalService: Failed to set icon file:", response.error)
+            } else {
+                Qt.callLater(() => getSystemProfileImage())
+            }
+        })
     }
 
     Component.onCompleted: {
         if (socketPath && socketPath.length > 0) {
             checkDMSCapabilities()
         } else {
-            console.log("PortalService: DMS_SOCKET not set, using fallback methods")
-            checkAccountsServiceFallback()
-            checkSettingsPortalFallback()
+            console.log("PortalService: DMS_SOCKET not set")
         }
     }
 
@@ -193,9 +169,7 @@ Singleton {
             checkAccountsService()
             checkSettingsPortal()
         } else {
-            console.log("PortalService: freedesktop capability not available in DMS, using fallback methods")
-            checkAccountsServiceFallback()
-            checkSettingsPortalFallback()
+            console.log("PortalService: freedesktop capability not available in DMS")
         }
     }
 
@@ -225,14 +199,6 @@ Singleton {
         })
     }
 
-    function checkAccountsServiceFallback() {
-        accountsServiceCheckProcess.running = true
-    }
-
-    function checkSettingsPortalFallback() {
-        settingsPortalCheckProcess.running = true
-    }
-
     function getGreeterUserProfileImage(username) {
         if (!username) {
             profileImage = ""
@@ -245,54 +211,6 @@ Singleton {
         userProfileCheckProcess.running = true
     }
 
-    Process {
-        id: accountsServiceCheckProcess
-        command: ["bash", "-c", "dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts org.freedesktop.Accounts.FindUserByName string:\"$USER\""]
-        running: false
-
-        onExited: exitCode => {
-            accountsServiceAvailable = (exitCode === 0)
-            if (accountsServiceAvailable) {
-                getSystemProfileImage()
-            }
-        }
-    }
-
-    Process {
-        id: systemProfileCheckProcess
-        command: ["bash", "-c", "dbus-send --system --print-reply --dest=org.freedesktop.Accounts /org/freedesktop/Accounts/User$(id -u) org.freedesktop.DBus.Properties.Get string:org.freedesktop.Accounts.User string:IconFile"]
-        running: false
-
-        stdout: StdioCollector {
-            onStreamFinished: {
-                const match = text.match(/string\s+"([^"]+)"/)
-                if (match && match[1] && match[1] !== "" && match[1] !== "/var/lib/AccountsService/icons/") {
-                    systemProfileImage = match[1]
-                    if (!profileImage || profileImage === "") {
-                        profileImage = systemProfileImage
-                    }
-                }
-            }
-        }
-
-        onExited: exitCode => {
-            if (exitCode !== 0) {
-                systemProfileImage = ""
-            }
-        }
-    }
-
-    Process {
-        id: systemProfileSetProcess
-        running: false
-
-        onExited: exitCode => {
-            if (exitCode === 0) {
-                getSystemProfileImage()
-            }
-        }
-    }
-
     Process {
         id: userProfileCheckProcess
         command: []
@@ -316,50 +234,6 @@ Singleton {
         }
     }
 
-    Process {
-        id: settingsPortalCheckProcess
-        command: ["gdbus", "call", "--session", "--dest", "org.freedesktop.portal.Desktop", "--object-path", "/org/freedesktop/portal/desktop", "--method", "org.freedesktop.portal.Settings.ReadOne", "org.freedesktop.appearance", "color-scheme"]
-        running: false
-
-        onExited: exitCode => {
-            settingsPortalAvailable = (exitCode === 0)
-            if (settingsPortalAvailable) {
-                getSystemColorScheme()
-            }
-        }
-    }
-
-    Process {
-        id: systemColorSchemeCheckProcess
-        command: ["gdbus", "call", "--session", "--dest", "org.freedesktop.portal.Desktop", "--object-path", "/org/freedesktop/portal/desktop", "--method", "org.freedesktop.portal.Settings.ReadOne", "org.freedesktop.appearance", "color-scheme"]
-        running: false
-
-        stdout: StdioCollector {
-            onStreamFinished: {
-                const match = text.match(/uint32 (\d+)/)
-                if (match && match[1]) {
-                    systemColorScheme = parseInt(match[1])
-
-                    if (typeof Theme !== "undefined") {
-                        const shouldBeLightMode = (systemColorScheme === 2)
-                        if (Theme.isLightMode !== shouldBeLightMode) {
-                            Theme.isLightMode = shouldBeLightMode
-                            if (typeof SessionData !== "undefined") {
-                                SessionData.setLightMode(shouldBeLightMode)
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        onExited: exitCode => {
-            if (exitCode !== 0) {
-                systemColorScheme = 0
-            }
-        }
-    }
-
     IpcHandler {
         target: "profile"