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Initial implementation

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This commit is contained in:
Lea Anthony 2023-03-18 08:11:36 +11:00
parent 86aaa3a956
commit 4300521064
17 changed files with 192 additions and 42 deletions
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10
v3/examples/plugins/assets/index.html Normal file
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@ -0,0 +1,10 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
HELLO!
</body>
</html>

52
v3/examples/plugins/main.go Normal file
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@ -0,0 +1,52 @@
package main
import (
"embed"
_ "embed"
"github.com/wailsapp/wails/v3/pkg/application"
"log"
"math/rand"
)
//go:embed assets/*
var assets embed.FS
type RandomNumberPlugin struct{}
func (r *RandomNumberPlugin) Name() string {
return "Random Number Plugin"
}
func (r *RandomNumberPlugin) Init(_ *application.App) error {
return nil
}
func (r *RandomNumberPlugin) Call(args []any) (any, error) {
return rand.Intn(100), nil
}
func main() {
app := application.New(application.Options{
Name: "Plugin Demo",
Description: "A demo of the plugins API",
Mac: application.MacOptions{
ApplicationShouldTerminateAfterLastWindowClosed: true,
},
Plugins: map[string]application.Plugin{
"random": &RandomNumberPlugin{},
},
Assets: application.AssetOptions{
FS: assets,
},
})
window := app.NewWebviewWindow()
window.ToggleDevTools()
err := app.Run()
if err != nil {
log.Fatal(err.Error())
}
}

4
v3/internal/runtime/desktop/calls.js
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@ -59,8 +59,10 @@ function callBinding(type, options) {
}); });
} }
export function Call(options) { export function Call(options) {
return callBinding("Call", options); return callBinding("Call", options);
} }
export function Plugin(options) {
return callBinding("Plugin", options);
}

2
v3/internal/runtime/desktop/events.js
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@ -167,7 +167,7 @@ export function Off(eventName, ...additionalEventNames) {
let eventsToRemove = [eventName, ...additionalEventNames]; let eventsToRemove = [eventName, ...additionalEventNames];
eventsToRemove.forEach(eventName => { eventsToRemove.forEach(eventName => {
eventListeners.delete(eventName); eventListeners.delete(eventName);
}) });
} }
/** /**

5
v3/internal/runtime/desktop/main.js
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@ -14,7 +14,7 @@ import * as Clipboard from './clipboard';
import * as Application from './application'; import * as Application from './application';
import * as Log from './log'; import * as Log from './log';
import * as Screens from './screens'; import * as Screens from './screens';
import {Call, callErrorCallback, callCallback} from "./calls"; import {Plugin, Call, callErrorCallback, callCallback} from "./calls";
import {newWindow} from "./window"; import {newWindow} from "./window";
import {dispatchCustomEvent, Emit, Off, OffAll, On, Once, OnMultiple} from "./events"; import {dispatchCustomEvent, Emit, Off, OffAll, On, Once, OnMultiple} from "./events";
import {dialogCallback, dialogErrorCallback, Error, Info, OpenFile, Question, SaveFile, Warning,} from "./dialogs"; import {dialogCallback, dialogErrorCallback, Error, Info, OpenFile, Question, SaveFile, Warning,} from "./dialogs";
@ -45,6 +45,7 @@ export function newRuntime(id) {
Log, Log,
Screens, Screens,
Call, Call,
Plugin,
WML: { WML: {
Reload: reloadWML, Reload: reloadWML,
}, },
@ -65,7 +66,7 @@ export function newRuntime(id) {
OffAll, OffAll,
}, },
Window: newWindow(id), Window: newWindow(id),
} };
} }
if (DEBUG) { if (DEBUG) {

24
v3/internal/runtime/runtime_debug_desktop_darwin.js
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24
v3/internal/runtime/runtime_debug_desktop_linux.js
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24
v3/internal/runtime/runtime_debug_desktop_windows.js
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2
v3/internal/runtime/runtime_production_desktop_darwin.js
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2
v3/internal/runtime/runtime_production_desktop_linux.js
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2
v3/internal/runtime/runtime_production_desktop_windows.js
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3
v3/pkg/application/application.go
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@ -57,7 +57,8 @@ func New(appOptions Options) *App {
result.fatal(err.Error()) result.fatal(err.Error())
} }
srv.UseRuntimeHandler(NewMessageProcessor()) pluginManager := NewPluginManager(appOptions.Plugins)
srv.UseRuntimeHandler(NewMessageProcessor(pluginManager))
result.assets = srv result.assets = srv
globalApplication = result globalApplication = result

5
v3/pkg/application/bindings.go
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@ -15,6 +15,11 @@ type CallOptions struct {
Args []any `json:"args"` Args []any `json:"args"`
} }
type PluginCallOptions struct {
Name string `json:"name"`
Args []any `json:"args"`
}
// Parameter defines a Go method parameter // Parameter defines a Go method parameter
type Parameter struct { type Parameter struct {
Name string `json:"name,omitempty"` Name string `json:"name,omitempty"`

10
v3/pkg/application/messageprocessor.go
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@ -12,10 +12,14 @@ import (
// TODO maybe we could use a new struct that has the targetWindow as an attribute so we could get rid of passing the targetWindow // TODO maybe we could use a new struct that has the targetWindow as an attribute so we could get rid of passing the targetWindow
// as parameter through every function call. // as parameter through every function call.
type MessageProcessor struct{} type MessageProcessor struct {
pluginManager *PluginManager
}
func NewMessageProcessor() *MessageProcessor { func NewMessageProcessor(pluginManager *PluginManager) *MessageProcessor {
return &MessageProcessor{} return &MessageProcessor{
pluginManager: pluginManager,
}
} }
func (m *MessageProcessor) httpError(rw http.ResponseWriter, message string, args ...any) { func (m *MessageProcessor) httpError(rw http.ResponseWriter, message string, args ...any) {

22
v3/pkg/application/messageprocessor_call.go
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@ -58,6 +58,28 @@ func (m *MessageProcessor) processCallMethod(method string, rw http.ResponseWrit
m.callCallback(window, callID, string(jsonResult), true) m.callCallback(window, callID, string(jsonResult), true)
}() }()
m.ok(rw) m.ok(rw)
case "Plugin":
var options PluginCallOptions
err := params.ToStruct(&options)
if err != nil {
m.callErrorCallback(window, "Error parsing plugin options: %s", callID, err)
return
}
go func() {
result, err := m.pluginManager.Call(options.Name, options.Args)
if err != nil {
m.callErrorCallback(window, "Error calling plugin: %s", callID, err)
return
}
// convert result to json
jsonResult, err := json.Marshal(result)
if err != nil {
m.callErrorCallback(window, "Error converting result to json: %s", callID, err)
return
}
m.callCallback(window, callID, string(jsonResult), true)
}()
m.ok(rw)
default: default:
m.httpError(rw, "Unknown dialog method: %s", method) m.httpError(rw, "Unknown dialog method: %s", method)
} }

1
v3/pkg/application/options_application.go
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@ -18,6 +18,7 @@ type Options struct {
CustomLoggers []logger.Output CustomLoggers []logger.Output
} }
Assets AssetOptions Assets AssetOptions
Plugins map[string]Plugin
} }
// AssetOptions defines the configuration of the AssetServer. // AssetOptions defines the configuration of the AssetServer.

40
v3/pkg/application/plugins.go Normal file
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@ -0,0 +1,40 @@
package application
import (
"fmt"
)
type Plugin interface {
Name() string
Init(app *App) error
Call(args []any) (any, error)
}
type PluginManager struct {
plugins map[string]Plugin
}
func NewPluginManager(plugins map[string]Plugin) *PluginManager {
return &PluginManager{
plugins: plugins,
}
}
func (p *PluginManager) Init() error {
for _, plugin := range p.plugins {
err := plugin.Init(globalApplication)
if err != nil {
return err
}
globalApplication.info("Plugin '%s' initialised", plugin.Name())
}
return nil
}
func (p *PluginManager) Call(name string, args []any) (any, error) {
plugin, ok := p.plugins[name]
if !ok {
return nil, fmt.Errorf("plugin '%s' not found", name)
}
return plugin.Call(args)
}