file control callback added, screenshots added

src/callbacks.py

@@ -177,8 +177,8 @@ def file_chunk_request(tox, friend_number, file_number, position, size, user_dat
 
 
 def file_recv_control(tox, friend_number, file_number, file_control, user_data):
-    # TODO: process
-    pass
+    if file_control == TOX_FILE_CONTROL['CANCEL']:
+        Profile.get_instance().cancel_transfer(friend_number, file_number, True)
 
 # -----------------------------------------------------------------------------------------------------------------
 # Callbacks - initialization

src/file_transfers.py

@@ -50,6 +50,10 @@ class FileTransfer(QtCore.QObject):
         self._file.close()
         self._state_changed.signal.emit(self.state, self._done / self._size)
 
+    def cancelled(self):
+        self._file.close()
+        self._state_changed.signal.emit(TOX_FILE_CONTROL['CANCEL'], self._done / self._size)
+
     def send_control(self, control):
         if self._tox.file_control(self._friend_number, self._file_number, control):
             self.state = control
@@ -62,6 +66,10 @@ class FileTransfer(QtCore.QObject):
         # TODO implement or not implement
         pass
 
+# -----------------------------------------------------------------------------------------------------------------
+# Send file
+# -----------------------------------------------------------------------------------------------------------------
+
 
 class SendTransfer(FileTransfer):
 
@@ -99,6 +107,28 @@ class SendAvatar(SendTransfer):
         super(SendAvatar, self).__init__(path, tox, friend_number, TOX_FILE_KIND['AVATAR'], hash)
 
 
+class SendFromBuffer(FileTransfer):
+
+    def __init__(self, tox, friend_number, data, file_name):
+        super(SendFromBuffer, self).__init__(None, tox, friend_number, len(data))
+        self._data = data
+        self._file_number = tox.file_send(friend_number, TOX_FILE_KIND['DATA'], len(data), None, file_name)
+
+    def send_chunk(self, position, size):
+        if size:
+            data = self._data[position:position + size]
+            self._tox.file_send_chunk(self._friend_number, self._file_number, position, data)
+            self._done += size
+            self._state_changed.signal.emit(self.state, self._done / self._size)
+        else:
+            self.state = TOX_FILE_TRANSFER_STATE['FINISHED']
+            self._state_changed.signal.emit(self.state, 1)
+
+# -----------------------------------------------------------------------------------------------------------------
+# Receive file
+# -----------------------------------------------------------------------------------------------------------------
+
+
 class ReceiveTransfer(FileTransfer):
 
     def __init__(self, path, tox, friend_number, size, file_number):

src/mainscreen.py

@@ -298,7 +298,6 @@ class MainWindow(QtGui.QMainWindow):
                 self.profile.send_file(name[0])
 
     def send_screenshot(self):
-        # TODO: add screenshots support
         if self.profile.is_active_online():  # active friend exists and online
             self.sw = ScreenShotWindow()
             self.sw.show()
@@ -375,7 +374,7 @@ class MainWindow(QtGui.QMainWindow):
 
 
 class ScreenShotWindow(QtGui.QWidget):
-    # TODO: send raw data and make window semi-transparent
+    # TODO: make window semi-transparent
     def __init__(self):
         super(ScreenShotWindow, self).__init__()
         self.rubberband = QtGui.QRubberBand(QtGui.QRubberBand.Rectangle, self)
@@ -407,8 +406,11 @@ class ScreenShotWindow(QtGui.QWidget):
                                          rect.y(),
                                          rect.width(),
                                          rect.height())
-            image = p.toImage()
-            print len(image.bits())
+            byte_array = QtCore.QByteArray()
+            buffer = QtCore.QBuffer(byte_array)
+            buffer.open(QtCore.QIODevice.WriteOnly)
+            p.save(buffer, 'PNG')
+            Profile.get_instance().send_screenshot(''.join(byte_array[i] for i in xrange(byte_array.length())))
             self.close()
 
 

src/profile.py

@@ -736,15 +736,19 @@ class Profile(Contact, Singleton):
         friend = self.get_friend_by_number(friend_number)
         if settings['allow_auto_accept'] and friend.tox_id in settings['auto_accept_from_friends']:
             path = settings['auto_accept_path'] or curr_directory()
+            # TODO: check if file exists
             item = self.create_file_transfer_item(file_name.decode('utf-8'), size, friend_number, file_number, False)
             self.accept_transfer(item, path + '/' + file_name.decode('utf-8'), friend_number, file_number)
         else:
             self.create_file_transfer_item(file_name.decode('utf-8'), size, friend_number, file_number, True)
 
-    def cancel_transfer(self, friend_number, file_number):
+    def cancel_transfer(self, friend_number, file_number, already_cancelled=False):
         if (friend_number, file_number) in self._file_transfers:
             tr = self._file_transfers[(friend_number, file_number)]
-            tr.cancel()
+            if not already_cancelled:
+                tr.cancel()
+            else:
+                tr.cancelled()
             del self._file_transfers[(friend_number, file_number)]
 
     def accept_transfer(self, item, path, friend_number, file_number, size):
@@ -783,6 +787,13 @@ class Profile(Contact, Singleton):
         sa = SendAvatar(avatar_path, self._tox, friend_number)
         self._file_transfers[(friend_number, sa.get_file_number())] = sa
 
+    def send_screenshot(self, data):
+        friend_number = self.get_active_number()
+        st = SendFromBuffer(self._tox, friend_number, data, 'toxygen_inline.png')
+        self._file_transfers[(friend_number, st.get_file_number())] = st
+        item = self.create_file_transfer_item('toxygen_inline.png', len(data), friend_number, st.get_file_number(), False)
+        st.set_state_changed_handler(item.update)
+
     def send_file(self, path):
         friend_number = self.get_active_number()
         st = SendTransfer(path, self._tox, friend_number)