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1# Copyright 2016 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file
4
5import logging
6import time
7
8from telemetry.core import exceptions
9from autotest_lib.client.bin import utils
10from autotest_lib.client.common_lib import error
11from autotest_lib.client.common_lib.cros import chrome
12
13DEFAULT_TIMEOUT = 30
14SHORT_TIMEOUT = 5
15
16
17def get_webview_contexts(browser, ext_id):
18    """Get all webview contexts for an extension.
19
20    @param browser: Telemetry browser object.
21    @param ext_id: Extension id of the kiosk app.
22    @return A list of webview contexts.
23    """
24    ext_contexts = wait_for_kiosk_ext(browser, ext_id)
25
26    for context in ext_contexts:
27        context.WaitForDocumentReadyStateToBeInteractiveOrBetter()
28        tagName = context.EvaluateJavaScript(
29            "document.querySelector('webview') ? 'WEBVIEW' : 'NOWEBVIEW'")
30        if tagName == "WEBVIEW":
31            def _webview_context():
32                try:
33                    return context.GetWebviewContexts()
34                except (chrome.Error):
35                    logging.exception(
36                        'An error occured while getting the webview contexts.')
37                return None
38
39            return utils.poll_for_condition(
40                    _webview_context,
41                    exception=error.TestFail('Webview not available.'),
42                    timeout=DEFAULT_TIMEOUT,
43                    sleep_interval=1)
44
45
46# TODO(dtosic): deprecate this method in favor of 'get_webview_contexts()'
47def get_webview_context(browser, ext_id):
48    """Get context for CFM webview.
49
50    @param browser: Telemetry browser object.
51    @param ext_id: Extension id of the kiosk app.
52    @return webview context.
53    """
54    ext_contexts = wait_for_kiosk_ext(browser, ext_id)
55
56    for context in ext_contexts:
57        context.WaitForDocumentReadyStateToBeInteractiveOrBetter()
58        tagName = context.EvaluateJavaScript(
59            "document.querySelector('webview') ? 'WEBVIEW' : 'NOWEBVIEW'")
60        if tagName == "WEBVIEW":
61            def _webview_context():
62                try:
63                    wb_contexts = context.GetWebviewContexts()
64                    if len(wb_contexts) == 1:
65                        return wb_contexts[0]
66                    if len(wb_contexts) == 2:
67                        return wb_contexts[1]
68
69                except (KeyError, chrome.Error):
70                    pass
71                return None
72            return utils.poll_for_condition(
73                    _webview_context,
74                    exception=error.TestFail('Webview not available.'),
75                    timeout=DEFAULT_TIMEOUT,
76                    sleep_interval=1)
77
78
79def wait_for_kiosk_ext(browser, ext_id):
80    """Wait for kiosk extension launch.
81
82    @param browser: Telemetry browser object.
83    @param ext_id: Extension id of the kiosk app.
84    @return extension contexts.
85    """
86    def _kiosk_ext_contexts():
87        try:
88            ext_contexts = browser.extensions.GetByExtensionId(ext_id)
89            if len(ext_contexts) > 1:
90                return ext_contexts
91        except (AttributeError, KeyError, chrome.Error):
92            pass
93        return []
94    return utils.poll_for_condition(
95            _kiosk_ext_contexts,
96            exception=error.TestFail('Kiosk app failed to launch'),
97            timeout=DEFAULT_TIMEOUT,
98            sleep_interval=1)
99
100
101def config_riseplayer(browser, ext_id, app_config_id):
102    """
103    Configure Rise Player app with a specific display id.
104
105    Step through the configuration screen of the Rise Player app
106    which is launched within the browser and enter a display id
107    within the configuration frame to initiate media display.
108
109    @param browser: browser instance containing the Rise Player kiosk app.
110    @param ext_id: extension id of the Rise Player Kiosk App.
111    @param app_config_id: display id for the Rise Player app .
112
113    """
114    if not app_config_id:
115        raise error.TestFail(
116                'Error in configuring Rise Player: app_config_id is None')
117    config_js = """
118                var frameId = 'btn btn-primary display-register-button'
119                document.getElementsByClassName(frameId)[0].click();
120                $( "input:text" ).val("%s");
121                document.getElementsByClassName(frameId)[4].click();
122                """ % app_config_id
123
124    kiosk_webview_context = get_webview_context(
125            browser, ext_id)
126    # Wait for the configuration frame to load.
127    time.sleep(SHORT_TIMEOUT)
128    kiosk_webview_context.ExecuteJavaScript(config_js)
129    # TODO (krishnargv): Find a way to verify that content is playing
130    #                    within the RisePlayer app.
131    verify_app_config_id = """
132            /rvashow.*.display&id=%s.*/.test(location.href)
133            """ % app_config_id
134    #Verify that Risepplayer successfully validates the display id.
135    try:
136        kiosk_webview_context.WaitForJavaScriptCondition(
137                verify_app_config_id,
138                timeout=DEFAULT_TIMEOUT)
139    except exceptions.TimeoutException:
140        raise error.TestFail('Error in configuring Rise Player with id: %s'
141                             % app_config_id)
142