Mercurial > libervia-desktop-kivy
diff src/cagou/plugins/plugin_upload_android_gallery.py @ 88:3dc526bb4a5a
upload: plugin android gallery, first draft:
- added "external" key in PLUGIN_INFO which indicate that a plugin doesn't create a widget when set to True
- callback and cancel_cb method in UploadMenu now use a cleaning_cb arguments which can be None. If set, the callback will be called without argument once the file is uploaded
- the AndroidGallery plugin looks for images on Android, then save the content to a temporary file an upload it, then clean the file. This plugin is only active on android platform.
author | Goffi <goffi@goffi.org> |
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date | Sun, 25 Dec 2016 22:53:50 +0100 |
parents | |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cagou/plugins/plugin_upload_android_gallery.py Sun Dec 25 22:53:50 2016 +0100 @@ -0,0 +1,94 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# Cagou: desktop/mobile frontend for Salut à Toi XMPP client +# Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. + +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +from sat.core import log as logging +log = logging.getLogger(__name__) +from sat.core.i18n import _ +import sys +import tempfile +import os +import os.path +if sys.platform=="android": + from jnius import autoclass + from android import activity, mActivity + + Intent = autoclass('android.content.Intent') + OpenableColumns = autoclass('android.provider.OpenableColumns') + PHOTO_GALLERY = 1 + RESULT_OK = -1 + + + +PLUGIN_INFO = { + "name": _(u"photo"), + "main": "AndroidGallery", + "platforms": ('android',), + "external": True, + "description": _(u"upload a photo from photo gallery"), +} + + +class AndroidGallery(object): + + def __init__(self, callback, cancel_cb): + self.callback = callback + self.cancel_cb = cancel_cb + activity.bind(on_activity_result=self.on_activity_result) + intent = Intent() + intent.setType('image/*') + intent.setAction(Intent.ACTION_GET_CONTENT) + mActivity.startActivityForResult(intent, PHOTO_GALLERY); + + def on_activity_result(self, requestCode, resultCode, data): + # TODO: move file dump to a thread or use async callbacks during file writting + if requestCode == PHOTO_GALLERY and resultCode == RESULT_OK: + if data is None: + log.warning(u"No data found in activity result") + self.cancel_cb(self, None) + return + uri = data.getData() + + # we get filename in the way explained at https://developer.android.com/training/secure-file-sharing/retrieve-info.html + cursor = mActivity.getContentResolver().query(uri, None, None, None, None ) + name_idx = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME) + cursor.moveToFirst() + filename = cursor.getString(name_idx) + + # we save data in a temporary file that we send to callback + # the file will be removed once upload is done (or if an error happens) + input_stream = mActivity.getContentResolver().openInputStream(uri) + tmp_dir = tempfile.mkdtemp() + tmp_file = os.path.join(tmp_dir, filename) + def cleaning(): + os.unlink(tmp_file) + os.rmdir(tmp_dir) + log.debug(u'temporary file cleaned') + buff = bytearray(4096) + with open(tmp_file, 'wb') as f: + while True: + ret = input_stream.read(buff, 0, 4096) + if ret != -1: + f.write(buff) + else: + break + input_stream.close() + self.callback(tmp_file, cleaning) + else: + self.cancel_cb(self, None)