/library/platform/HistorySafari.py
Python | 62 lines | 62 code | 0 blank | 0 comment | 0 complexity | 7705162071241f085e1d24affadbc1e6 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- def init():
- JS("""
- // Check for existence of the history frame.
- var historyFrame = $doc.getElementById('__pygwt_historyFrame');
- if (!historyFrame)
- return false;
- // Get the initial token from the url's hash component.
- var hash = $wnd.location.hash;
- if (hash.length > 0)
- $wnd.__historyToken = decodeURIComponent(hash.substring(1));
- else
- $wnd.__historyToken = '';
- // Initialize the history iframe. If '__historyToken' already exists, then
- // we're probably backing into the app, so _don't_ set the iframe's location.
- var tokenElement = null;
- if (historyFrame.contentWindow) {
- var doc = historyFrame.contentWindow.document;
- tokenElement = doc ? doc.getElementById('__historyToken') : null;
- }
- if (tokenElement)
- $wnd.__historyToken = tokenElement.value;
- else
- historyFrame.src = 'history.html?' + encodeURIComponent($wnd.__historyToken);
- // Expose the '__onHistoryChanged' function, which will be called by
- // the history frame when it loads.
- $wnd.__onHistoryChanged = function(token) {
- // Change the URL and notify the application that its history frame
- // is changing.
- if (token != $wnd.__historyToken) {
- $wnd.__historyToken = token;
- // TODO(jgw): fix the bookmark update, if possible. The following code
- // screws up the browser by (a) making it pretend that it's loading the
- // page indefinitely, and (b) causing all text to disappear (!)
- // var base = $wnd.location.href;
- // var hashIdx = base.indexOf('#');
- // if (hashIdx != -1)
- // base = base.substring(0, hashIdx);
- // $wnd.location.replace(base + '#' + token);
- // TODO - move init back into History
- // this.onHistoryChanged(token);
- var h = new __History_History();
- h.onHistoryChanged(token);
- }
- };
- return true;
- """)
-
- class History:
- def newItem(self, historyToken):
- JS("""
- var iframe = $doc.getElementById('__pygwt_historyFrame');
- iframe.contentWindow.location.href = 'history.html?' + historyToken;
- """)