From c092acf269c6981b9847ce0288d1f9f171d61155 Mon Sep 17 00:00:00 2001
From: H Lohaus <hlohaus@users.noreply.github.com>
Date: Sat, 6 Apr 2024 16:57:06 +0200
Subject: Update server

---
 g4f/gui/server/js_api.py | 95 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 g4f/gui/server/js_api.py

diff --git a/g4f/gui/server/js_api.py b/g4f/gui/server/js_api.py
new file mode 100644
index 00000000..e5550f27
--- /dev/null
+++ b/g4f/gui/server/js_api.py
@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+import logging
+import json
+import os.path
+from typing import Iterator
+from uuid import uuid4
+from functools import partial
+
+import webview
+import platformdirs
+from plyer import camera
+from plyer import filechooser
+app_storage_path = platformdirs.user_pictures_dir
+user_select_image = partial(
+    filechooser.open_file,
+    path=platformdirs.user_pictures_dir(),
+    filters=[["Image", "*.jpg", "*.jpeg", "*.png", "*.webp", "*.svg"]],
+)
+
+try:
+    from android.runnable import run_on_ui_thread
+    import android.permissions
+    from android.permissions import Permission
+    from android.permissions import _RequestPermissionsManager
+    _RequestPermissionsManager.register_callback()
+    from .android_gallery import user_select_image
+    has_android = True
+except:
+    run_on_ui_thread = lambda a : a
+    has_android = False
+
+from .api import Api
+
+class JsApi(Api):
+    def get_conversation(self, options: dict, **kwargs) -> Iterator:
+        window = webview.windows[0]
+        if hasattr(self, "image") and self.image is not None:
+            kwargs["image"] = open(self.image, "rb")
+        for message in self._create_response_stream(
+            self._prepare_conversation_kwargs(options, kwargs),
+            options.get("conversation_id"),
+            options.get('provider')
+        ):
+            if not window.evaluate_js(f"if (!this.abort) this.add_message_chunk({json.dumps(message)}); !this.abort && !this.error;"):
+                break
+        self.image = None
+        self.set_selected(None)
+
+    @run_on_ui_thread
+    def choose_image(self):
+        self.request_permissions()
+        user_select_image(
+            on_selection=self.on_image_selection
+        )
+
+    @run_on_ui_thread
+    def take_picture(self):
+        self.request_permissions()
+        filename = os.path.join(app_storage_path(), f"chat-{uuid4()}.png")
+        camera.take_picture(filename=filename, on_complete=self.on_camera)
+
+    def on_image_selection(self, filename):
+        filename = filename[0] if isinstance(filename, list) and filename else filename
+        if filename and os.path.exists(filename):
+            self.image = filename
+        else:
+            self.image = None
+        self.set_selected(None if self.image is None else "image")
+
+    def on_camera(self, filename):
+        if filename and os.path.exists(filename):
+            self.image = filename
+        else:
+            self.image = None
+        self.set_selected(None if self.image is None else "camera")
+
+    def set_selected(self, input_id: str = None):
+        window = webview.windows[0]
+        if window is not None:
+            window.evaluate_js(
+                f"document.querySelector(`.image-label.selected`)?.classList.remove(`selected`);"
+            )
+            if input_id is not None and input_id in ("image", "camera"):
+                window.evaluate_js(
+                    f'document.querySelector(`label[for="{input_id}"]`)?.classList.add(`selected`);'
+                )
+
+    def request_permissions(self):
+        if has_android:
+            android.permissions.request_permissions([
+                Permission.CAMERA,
+                Permission.READ_EXTERNAL_STORAGE,
+                Permission.WRITE_EXTERNAL_STORAGE
+            ])
\ No newline at end of file
-- 
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