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This is a proof of concept for replacing ui/views code with Sky instead. erg says this will allow him to delete 10s of thousands of LOC from mojo. Mojo does not yet expose the current binary's URL: https://docs.google.com/a/chromium.org/document/d/1AQ2y6ekzvbdaMF5WrUQmneyXJnke-MnYYL4Gz1AKDos So I've worked around that by passing the url of the binary via the helper script. I discovered several bugs in the wm_flow code including that it doesn't handle view resizes (during embiggen). Related, I discovered that every time a new window is made it drops the connections to the embedded.cc app from the previous window, since the ViewManagerDelegate is incorrectly implemented as part of the ApplicationDelegate on both app.cc and embedded.cc. We'd need to split out a separate per-view object in both of those apps to handle the ViewManagerDelegate calls. There are some changes to logging during loading as well as the CopyToFile helper to have better error reporting. I hit several issues early on trying to get mojo to load the http: urls correctly, including eventually running out of disk space on my /tmp and mojo then silently failing to launch the app (due to mojo never clearing its caches crbug.com/446302). I had to re-write the mojo_demo.sh script in python as well as split the sky_server handling code out of skydb into a separate python module in order to cleanly launch sky_server. We could use a separate server if we wanted to but the primary benefit of sky_server is that it sets up the proper url->disk mappings into the generated file directories, etc. BUG=443439 R=abarth@chromium.org Review URL: https://codereview.chromium.org/817573003
96 lines
3.0 KiB
Python
Executable File
96 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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from skypy.paths import Paths
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from skypy.skyserver import SkyServer
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import argparse
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import logging
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import os
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import skypy.configuration as configuration
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import subprocess
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import urlparse
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SUPPORTED_MIME_TYPES = [
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'text/html',
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'text/sky',
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'text/plain',
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]
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HTTP_PORT = 9999
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class SkyDebugger(object):
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def __init__(self):
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self.paths = None
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def _server_root_and_url_from_path_arg(self, url_or_path):
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# This is already a valid url we don't need a local server.
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if urlparse.urlparse(url_or_path).scheme:
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return None, url_or_path
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path = os.path.abspath(url_or_path)
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if os.path.commonprefix([path, self.paths.src_root]) == self.paths.src_root:
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server_root = self.paths.src_root
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else:
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server_root = os.path.dirname(path)
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logging.warn(
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'%s is outside of mojo root, using %s as server root' %
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(path, server_root))
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local_url = SkyServer.url_for_path(HTTP_PORT, server_root, path)
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return server_root, local_url
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def _in_chromoting(self):
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return os.environ.get('CHROME_REMOTE_DESKTOP_SESSION', False)
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def main(self):
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logging.basicConfig(level=logging.INFO)
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parser = argparse.ArgumentParser(description='Sky launcher/debugger')
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parser.add_argument('--gdb', action='store_true')
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parser.add_argument('--use-osmesa', action='store_true',
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default=self._in_chromoting())
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parser.add_argument('url_or_path', nargs='?', type=str)
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configuration.add_arguments(parser)
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args = parser.parse_args()
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self.paths = Paths(os.path.join('out', args.configuration))
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content_handlers = ['%s,%s' % (mime_type, 'mojo:sky_viewer')
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for mime_type in SUPPORTED_MIME_TYPES]
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shell_command = [
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self.paths.mojo_shell_path,
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'--v=1',
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'--content-handlers=%s' % ','.join(content_handlers),
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'--url-mappings=mojo:window_manager=mojo:sky_debugger',
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'mojo:window_manager',
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]
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if args.use_osmesa:
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shell_command.append('--args-for=mojo:native_viewport_service --use-osmesa')
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server_root = None
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if args.url_or_path:
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# Check if we need a local server for the url/path arg:
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server_root, url = \
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self._server_root_and_url_from_path_arg(args.url_or_path)
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prompt_args = '--args-for=mojo:sky_debugger_prompt %s' % url
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shell_command.append(prompt_args)
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if args.gdb:
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shell_command = ['gdb', '--args'] + shell_command
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if server_root:
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with SkyServer(self.paths, HTTP_PORT, args.configuration,
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server_root):
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subprocess.check_call(shell_command)
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else:
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subprocess.check_call(shell_command)
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if __name__ == '__main__':
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SkyDebugger().main()
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