React Plugin install dialog (closes #75)

backend/browser.py

@@ -80,10 +80,13 @@ class PluginBrowser:
     async def request_plugin_install(self, artifact, version, hash):
         request_id = str(time())
         self.install_requests[request_id] = PluginInstallContext(artifact, version, hash)
-        tab = await get_tab("QuickAccess")
+        tab = await get_tab("SP")
         await tab.open_websocket()
-        await tab.evaluate_js(f"addPluginInstallPrompt('{artifact}', '{version}', '{request_id}')")
+        await tab.evaluate_js(f"DeckyPluginLoader.addPluginInstallPrompt('{artifact}', '{version}', '{request_id}')")
     
     async def confirm_plugin_install(self, request_id):
         request = self.install_requests.pop(request_id)
-        await self._install(request.gh_url, request.version, request.hash)
+        await self._install(request.gh_url, request.version, request.hash)
+
+    def cancel_plugin_install(self, request_id):
+        self.install_requests.pop(request_id)

backend/utilities.py

@@ -12,6 +12,7 @@ class Utilities:
         self.util_methods = {
             "ping": self.ping,
             "http_request": self.http_request,
+            "cancel_plugin_install": self.cancel_plugin_install,
             "confirm_plugin_install": self.confirm_plugin_install,
             "execute_in_tab": self.execute_in_tab,
             "inject_css_into_tab": self.inject_css_into_tab,
@@ -26,8 +27,7 @@ class Utilities:
     async def _handle_server_method_call(self, request):
         method_name = request.match_info["method_name"]
         try:
-            method_info = await request.json()
-            args = method_info["args"]
+            args = await request.json()
         except JSONDecodeError:
             args = {}
         res = {}
@@ -43,6 +43,9 @@ class Utilities:
     async def confirm_plugin_install(self, request_id):
         return await self.context.plugin_browser.confirm_plugin_install(request_id)
 
+    def cancel_plugin_install(self, request_id):
+        return self.context.plugin_browser.cancel_plugin_install(request_id)
+
     async def http_request(self, method="", url="", **kwargs):
         async with ClientSession() as web:
             async with web.request(method, url, **kwargs) as res: