feat(原生桌面): 复用窗口新增标签

assets/webui/ofdgo.js

@@ -2631,7 +2631,15 @@ async function closeWorkspace() {
 async function closeApplicationWindow() {
 	window.removeEventListener("beforeunload", warnUnsaved);
 	window.removeEventListener("beforeunload", warnBatch);
-	await nativeHost.call("window.close", {});
+	let closed = false;
+	try {
+		closed = await nativeHost.call("window.close", {});
+	} finally {
+		if (!closed) {
+			window.addEventListener("beforeunload", warnUnsaved);
+			window.addEventListener("beforeunload", warnBatch);
+		}
+	}
 }
 
 function createDocumentTab(value = createDocumentState()) {
@@ -2847,19 +2855,21 @@ async function activateDocumentTab(tab, closing = false) {
 	if (workspace.switching) { workspace.nextTab = tab; return false; }
 	const focused = el.documentTitleBar.contains(document.activeElement);
 	workspace.switching = true;
+	try {
 		try {
 			if (!documentTab().busy && !await commitDocumentView()) return false;
 			detachDocumentView();
 			attachDocumentTab(tab);
 			if (focused) el.documentTabs.querySelector('[data-selected="true"]')?.focus({preventScroll: true});
+		} finally {
 			workspace.switching = false;
+		}
 		await mountDocumentTab(tab);
 		return true;
 	} catch (error) {
 		if (isForegroundDocument(tab)) showError(error, !state.doc);
 		return false;
 	} finally {
-		if (workspace.active === tab) workspace.switching = false;
 		const next = workspace.nextTab;
 		workspace.nextTab = null;
 		if (next && next !== workspace.active && !next.closed) queueMicrotask(() => activateDocumentTab(next));
@@ -5163,7 +5173,25 @@ async function boot() {
 	}
 }
 
-async function openNativeFiles(files) {
+async function openNativeDocument(file) {
+	let retained = false;
+	try {
+		retained = await openOFD(file);
+	} catch (error) {
+		showError(error, !state.doc);
+	} finally {
+		if (!retained) await nativeHost.discardFiles([file]);
+	}
+}
+
+async function openNativeFiles(files, launch = false) {
+	if (launch) {
+		for (const file of files) {
+			while (workspace.closing || workspace.switching || batchElements.Panel.open || documentDialogs?.applicationOpen()) await new Promise(resolve => setTimeout(resolve, 100));
+			void openNativeDocument(file).catch(error => showError(error, !state.doc));
+		}
+		return;
+	}
 	let retained = [];
 	try {
 		if (workspace.closing || batchElements.Panel.open && batch.running) { setStatus("请等待当前操作完成"); return; }

assets/webui/ofdgo_host.js

@@ -726,6 +726,13 @@ class NativeHost {
 	}
 
 	async start(onFiles, onError) {
+		let launching = Promise.resolve();
+		this.bridge.on("ofdgo.launch", values => {
+			launching = launching.then(async () => {
+				try { await onFiles(values.map(value => new NativeFile(value)), true); }
+				finally { await this.call("launch.done", {}); }
+			}).catch(onError);
+		});
 		this.bridge.on("ofdgo.files", async values => {
 			try { await onFiles(values.map(value => new NativeFile(value))); }
 			catch (error) { onError(error); }

go.mod

@@ -8,12 +8,13 @@ require (
 	github.com/go-text/typesetting v0.3.5
 	github.com/tdewolff/canvas v0.0.0-20260923214215-09804640d00c
 	github.com/tdewolff/font v0.0.0-20261010204837-88a7f6b56918
-	github.com/xiaoqidun/guigo v0.0.0-20261025075751-73659d2a5eba
+	github.com/xiaoqidun/guigo v0.0.0-20261025093134-18d57dc4973b
 	github.com/xiaoqidun/j2kgo v1.0.2
 	github.com/xiaoqidun/jbig2 v1.1.8
 	github.com/xiaoqidun/pdfgo v0.0.0-20261023171626-3473b442eed5
 	golang.org/x/crypto v0.58.0
 	golang.org/x/image v0.47.0
+	golang.org/x/sys v0.49.0
 	golang.org/x/text v0.43.0
 )
 
@@ -35,7 +36,6 @@ require (
 	github.com/tdewolff/parse/v2 v2.8.16 // indirect
 	github.com/yuin/goldmark v1.8.5 // indirect
 	golang.org/x/net v0.60.0 // indirect
-	golang.org/x/sys v0.49.0 // indirect
 	modernc.org/knuth v0.6.0 // indirect
 	modernc.org/token v1.1.0 // indirect
 	star-tex.org/x/tex v0.7.1 // indirect

go.sum

@@ -60,8 +60,8 @@ github.com/tdewolff/parse/v2 v2.8.16 h1:bLk5svUOQRkW/Y2SJ+DeENSIkZBcTIkq+Atyv5D8
 github.com/tdewolff/parse/v2 v2.8.16/go.mod h1:XdsoSFThlVIRIajAuqz1evNY7bagZS8LBOPA3aVopwQ=
 github.com/tdewolff/test v1.0.12 h1:7F21DqIajswxuche0geHdrUZRCWE4oko4b7bcmkkrxk=
 github.com/tdewolff/test v1.0.12/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
-github.com/xiaoqidun/guigo v0.0.0-20261025075751-73659d2a5eba h1:8gQ9K2aIpYl72TdPAYWDju4YDhkrc3EyqIapWJd0AO8=
+github.com/xiaoqidun/guigo v0.0.0-20261025093134-18d57dc4973b h1:GlNcsrDSkahmjrQdA/q5yjkM5qWQw7pOBqY1qv625tU=
-github.com/xiaoqidun/guigo v0.0.0-20261025075751-73659d2a5eba/go.mod h1:bXz+dPMVntPIVwePTTuMXt8Q0z1YoUGuROQSsXyUEfY=
+github.com/xiaoqidun/guigo v0.0.0-20261025093134-18d57dc4973b/go.mod h1:bXz+dPMVntPIVwePTTuMXt8Q0z1YoUGuROQSsXyUEfY=
 github.com/xiaoqidun/j2kgo v1.0.2 h1:OAjjEOfaBaQzBNcj9wx+eM68UI5pewR6SzNZa1R1DIw=
 github.com/xiaoqidun/j2kgo v1.0.2/go.mod h1:DCwAfuDzCDYqUiAlZ7BDwigTjaXw7o9L1FtEma/D1aA=
 github.com/xiaoqidun/jbig2 v1.1.8 h1:dERPW7F8gs18a/DOD9gXHR3fP1Vl6KhCNsLnq5l3BIo=

internal/webview/webview.go

@@ -63,6 +63,10 @@ type Host struct {
 	fontFiles      map[string]string
 	fontError      error
 	pendingPaths   []string
+	launchMu       sync.Mutex
+	launchActivate bool
+	launchClosed   bool
+	launchPending  int
 	frontendReady  bool
 	closeAllowed   bool
 }
@@ -93,11 +97,38 @@ func Run(ctx context.Context, paths []string, dataDir string) error {
 	if err != nil {
 		return err
 	}
+	paths = append([]string(nil), paths...)
+	for index, path := range paths {
+		paths[index], err = filepath.Abs(path)
+		if err != nil {
+			return err
+		}
+	}
+	h := &Host{pendingPaths: paths}
+	data, err := json.Marshal(paths)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(options.UserDataDir, 0700); err != nil {
+		return err
+	}
+	key, err := instanceDirectory(options.UserDataDir)
+	if err != nil {
+		return err
+	}
+	instance, err := guigo.OpenInstance(ctx, "OFDGo:"+key, data, h.receiveLaunch)
+	if err != nil || instance == nil {
+		return err
+	}
+	defer instance.Close()
 	files, err := newFileStore()
 	if err != nil {
 		return err
 	}
-	h := &Host{files: files, engines: make(map[string]*webui.NativeEngine), cancels: make(map[string]context.CancelFunc), fontFiles: make(map[string]string), pendingPaths: append([]string(nil), paths...)}
+	h.files = files
+	h.engines = make(map[string]*webui.NativeEngine)
+	h.cancels = make(map[string]context.CancelFunc)
+	h.fontFiles = make(map[string]string)
 	cacheBytes := int64(256 << 20)
 	if memory := conversionMemory; memory != nil {
 		cacheBytes = max(32<<20, memory()/8)
@@ -110,7 +141,7 @@ func Run(ctx context.Context, paths []string, dataDir string) error {
 	h.conversionPool = h.resources.ConversionPool()
 	defer h.close()
 	bindings := make(map[string]guigo.HandlerFunc)
-	for _, name := range []string{"engine.open", "engine.close", "engine.call", "engine.start", "engine.cancel", "engine.finish", "batch", "open", "save", "directory", "file", "release", "drop.release", "child", "remove", "write.begin", "write.data", "write.commit", "write.abort", "fonts", "ready", "title", "window.info", "window.drag", "window.close", "update.check", "update.open", "association.query", "association.register", "association.remove", "print.capabilities", "print.dialog", "print.printers", "print.query", "print.properties", "print"} {
+	for _, name := range []string{"engine.open", "engine.close", "engine.call", "engine.start", "engine.cancel", "engine.finish", "batch", "open", "save", "directory", "file", "release", "drop.release", "child", "remove", "write.begin", "write.data", "write.commit", "write.abort", "fonts", "ready", "launch.done", "title", "window.info", "window.drag", "window.close", "update.check", "update.open", "association.query", "association.register", "association.remove", "print.capabilities", "print.dialog", "print.printers", "print.query", "print.properties", "print"} {
 		bindings["ofdgo.host."+name] = func(ctx context.Context, args any) (any, error) { return h.call(ctx, name, args) }
 	}
 	static := http.FileServerFS(webuiassets.NativeFS)
@@ -136,6 +167,9 @@ func Run(ctx context.Context, paths []string, dataDir string) error {
 		h.mu.Unlock()
 	}
 	options.OnClose = func() {
+		h.launchMu.Lock()
+		h.launchClosed = true
+		h.launchMu.Unlock()
 		h.mu.Lock()
 		for _, cancel := range h.cancels {
 			cancel()
@@ -278,6 +312,13 @@ func (h *Host) emit(name string, value any) {
 // openPaths 将操作系统提供的文件登记后交给界面
 // 入参: names 文件路径列表
 func (h *Host) openPaths(names []string) {
+	_ = h.sendPaths(names, "ofdgo.files")
+}
+
+// sendPaths 将文件登记后发送到指定界面入口
+// 入参: names 文件路径列表, event 界面事件名称
+// 返回: error 投递错误
+func (h *Host) sendPaths(names []string, event string) error {
 	files := make([]any, 0, len(names))
 	for _, name := range names {
 		file, err := h.files.addDrop(name)
@@ -290,12 +331,72 @@ func (h *Host) openPaths(names []string) {
 	h.mu.Lock()
 	w := h.window
 	h.mu.Unlock()
-	if w != nil && w.Emit("ofdgo.files", files) == nil {
+	var err error
-		return
+	if w == nil {
+		err = guigo.ErrClosed
+	} else {
+		err = w.Emit(event, files)
+	}
+	if err == nil {
+		return nil
 	}
 	for _, file := range files {
 		h.files.discardDrop(file.(map[string]any)["nativeFile"].(string))
 	}
+	return err
+}
+
+// receiveLaunch 接收已有进程转交的文件及激活请求
+// 入参: ctx 请求上下文, data 文件路径消息
+// 返回: error 接收错误
+func (h *Host) receiveLaunch(ctx context.Context, data []byte) error {
+	var paths []string
+	if err := json.Unmarshal(data, &paths); err != nil {
+		return err
+	}
+	for _, path := range paths {
+		if !filepath.IsAbs(path) {
+			return errors.New("file path must be absolute")
+		}
+	}
+	h.launchMu.Lock()
+	defer h.launchMu.Unlock()
+	if h.launchClosed {
+		return guigo.ErrClosed
+	}
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	h.pendingPaths = append(h.pendingPaths, paths...)
+	h.launchActivate = true
+	return h.flushLaunch()
+}
+
+// flushLaunch 在界面就绪后按接收顺序投递外部打开请求，调用方持有launchMu
+// 返回: error 投递错误
+func (h *Host) flushLaunch() error {
+	h.mu.Lock()
+	ready, window := h.frontendReady, h.window
+	h.mu.Unlock()
+	if !ready || window == nil {
+		return nil
+	}
+	if h.launchActivate {
+		if err := window.Activate(); err != nil {
+			return err
+		}
+		h.launchActivate = false
+	}
+	if len(h.pendingPaths) == 0 {
+		return nil
+	}
+	paths := h.pendingPaths
+	h.pendingPaths = nil
+	if err := h.sendPaths(paths, "ofdgo.launch"); err != nil {
+		return err
+	}
+	h.launchPending++
+	return nil
 }
 
 // call 执行宿主协议并保留业务结果结构
@@ -603,10 +704,16 @@ func (h *Host) call(ctx context.Context, name string, value any) (any, error) {
 			return window.TitleBarInfo()
 		}
 		if name == "window.close" {
+			h.launchMu.Lock()
+			defer h.launchMu.Unlock()
+			if h.launchPending != 0 || len(h.pendingPaths) != 0 {
+				return false, nil
+			}
+			h.launchClosed = true
 			h.mu.Lock()
 			h.closeAllowed = true
 			h.mu.Unlock()
-			return nil, window.Close()
+			return true, window.Close()
 		}
 		values, ok := args["regions"].([]any)
 		if !ok {
@@ -628,16 +735,20 @@ func (h *Host) call(ctx context.Context, name string, value any) (any, error) {
 			regions = append(regions, guigo.Rect{X: x, Y: y, Width: width, Height: height})
 		}
 		return nil, window.SetDragRegions(regions)
+	case "launch.done":
+		h.launchMu.Lock()
+		if h.launchPending > 0 {
+			h.launchPending--
+		}
+		h.launchMu.Unlock()
+		return nil, nil
 	case "ready":
+		h.launchMu.Lock()
+		defer h.launchMu.Unlock()
 		h.mu.Lock()
-		paths := h.pendingPaths
-		h.pendingPaths = nil
 		h.frontendReady = true
 		h.mu.Unlock()
-		if len(paths) != 0 {
+		return nil, h.flushLaunch()
-			h.openPaths(paths)
-		}
-		return nil, nil
 	}
 	return nil, fmt.Errorf("未知宿主操作")
 }
@@ -1019,6 +1130,9 @@ func (h *Host) closeEngine(id string) error {
 
 // close 取消任务并释放当前窗口持有的会话
 func (h *Host) close() {
+	h.launchMu.Lock()
+	h.launchClosed = true
+	h.launchMu.Unlock()
 	h.mu.Lock()
 	for _, cancel := range h.cancels {
 		cancel()

internal/webview/webview_linux.go

@@ -16,12 +16,20 @@ package webview
 
 import (
 	"os"
+	"path/filepath"
 	"strings"
 )
 
 // conversionMemory 未提供系统内存探测时仅按并行数调度
 var conversionMemory func() int64
 
+// instanceDirectory 解析数据目录的实际路径，使符号链接复用同一实例
+// 入参: path 数据目录路径
+// 返回: string 规范路径, error 路径解析错误
+func instanceDirectory(path string) (string, error) {
+	return filepath.EvalSymlinks(path)
+}
+
 // fontNameLanguage 获取Linux区域设置对应的OpenType名称表标识
 // 返回: uint16 名称表平台标识, uint16 显示语言标识
 func fontNameLanguage() (uint16, uint16) {

internal/webview/webview_other.go

@@ -16,9 +16,18 @@
 
 package webview
 
+import "path/filepath"
+
 // conversionMemory 未提供系统内存探测时仅按并行数调度
 var conversionMemory func() int64
 
+// instanceDirectory 解析数据目录的实际路径
+// 入参: path 数据目录路径
+// 返回: string 规范路径, error 路径解析错误
+func instanceDirectory(path string) (string, error) {
+	return filepath.EvalSymlinks(path)
+}
+
 // fontNameLanguage 未指定系统显示语言时沿用字体名称表顺序
 // 返回: uint16 未指定平台标识, uint16 未指定语言标识
 func fontNameLanguage() (uint16, uint16) {

internal/webview/webview_windows.go

@@ -15,13 +15,39 @@
 package webview
 
 import (
+	"os"
+	"strings"
 	"syscall"
 	"unsafe"
+
+	"golang.org/x/sys/windows"
 )
 
 // memoryStatusProc 查询系统物理内存和提交额度
 var memoryStatusProc = syscall.NewLazyDLL("kernel32.dll").NewProc("GlobalMemoryStatusEx")
 
+// instanceDirectory 解析数据目录的实际路径，使目录联接及大小写别名复用同一实例
+// 入参: path 数据目录路径
+// 返回: string 规范路径, error 路径解析错误
+func instanceDirectory(path string) (string, error) {
+	dir, err := os.Open(path)
+	if err != nil {
+		return "", err
+	}
+	defer dir.Close()
+	buffer := make([]uint16, 256)
+	for {
+		n, err := windows.GetFinalPathNameByHandle(windows.Handle(dir.Fd()), &buffer[0], uint32(len(buffer)), 0)
+		if err != nil {
+			return "", err
+		}
+		if n < uint32(len(buffer)) {
+			return strings.ToLower(windows.UTF16ToString(buffer[:n])), nil
+		}
+		buffer = make([]uint16, n+1)
+	}
+}
+
 // fontNameLanguage 获取系统显示语言对应的OpenType名称表标识
 // 返回: uint16 名称表平台标识, uint16 系统显示语言标识
 func fontNameLanguage() (uint16, uint16) {