Marco Trevisan (Treviño) has proposed merging ~3v1n0/ubuntu/+source/gnome-shell:ubuntu/bionic-xubuntu-cancel-search into ~ubuntu-desktop/ubuntu/+source/gnome-shell:ubuntu/bionic.
Requested reviews: Iain Lane (laney) Related bugs: Bug #1756826 in nautilus (Ubuntu): "hangs when remote search provider performs expensive operation" https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1756826 For more details, see: https://code.launchpad.net/~3v1n0/ubuntu/+source/gnome-shell/+git/gnome-shell/+merge/358477 Reproposing after the revert... -- Your team Ubuntu Desktop is subscribed to branch ~ubuntu-desktop/ubuntu/+source/gnome-shell:ubuntu/bionic.
diff --git a/debian/changelog b/debian/changelog index 2d2d1df..526692c 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,14 @@ +gnome-shell (3.28.3-0ubuntu0.18.04.4) UNRELEASED; urgency=medium + + * d/p/search-Cancel-search-provider-operations-on-clear.patch, + d/p/search-Ignore-search-provider-results-metas-if-search-is-.patch, + d/p/viewSelector-Cancel-search-on-overview-hidden.patch, + d/p/ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch: + - Add support for cancelling remote search providers when the overlay + is closed (and actually stop searches when requested from UI, LP: #1756826) + + -- Marco Trevisan (Treviño) <ma...@ubuntu.com> Thu, 08 Nov 2018 01:15:02 -0500 + gnome-shell (3.28.3-0ubuntu0.18.04.3) bionic; urgency=medium * debian/ubuntu.css: diff --git a/debian/patches/search-Cancel-search-provider-operations-on-clear.patch b/debian/patches/search-Cancel-search-provider-operations-on-clear.patch new file mode 100644 index 0000000..052ee8a --- /dev/null +++ b/debian/patches/search-Cancel-search-provider-operations-on-clear.patch @@ -0,0 +1,29 @@ +From: =?utf-8?b?Ik1hcmNvIFRyZXZpc2FuIChUcmV2acOxbyki?= <m...@3v1n0.net> +Date: Thu, 23 Aug 2018 18:14:38 +0200 +Subject: search: Cancel search provider operations on clear + +Ensure that the search provider operations (just getResultMetas requests in the +current implementation) in progress are properly cancelled when we clear the UI, +otherwise returned results might still be added when not needed. + +This is triggered for each provider by the SearchResults reset. + +Bug-GNOME: https://gitlab.gnome.org/GNOME/gnome-shell/issues/183 +Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/bionic/+source/gnome-shell/+bug/1756826 +Forwarded: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/205 +--- + js/ui/search.js | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/js/ui/search.js b/js/ui/search.js +index 1fb54b4..804be95 100644 +--- a/js/ui/search.js ++++ b/js/ui/search.js +@@ -192,6 +192,7 @@ var SearchResultsBase = new Lang.Class({ + }, + + clear() { ++ this._cancellable.cancel(); + for (let resultId in this._resultDisplays) + this._resultDisplays[resultId].actor.destroy(); + this._resultDisplays = {}; diff --git a/debian/patches/search-Ignore-search-provider-results-metas-if-search-is-.patch b/debian/patches/search-Ignore-search-provider-results-metas-if-search-is-.patch new file mode 100644 index 0000000..27645a5 --- /dev/null +++ b/debian/patches/search-Ignore-search-provider-results-metas-if-search-is-.patch @@ -0,0 +1,30 @@ +From: =?utf-8?b?Ik1hcmNvIFRyZXZpc2FuIChUcmV2acOxbyki?= <m...@3v1n0.net> +Date: Thu, 30 Aug 2018 07:11:24 +0200 +Subject: search: Ignore search provider results metas if search is cancelled + +Call updateSearch callback with no results when the search provider has been +cancelled, without doing any logging. + +Bug-GNOME: https://gitlab.gnome.org/GNOME/gnome-shell/issues/183 +Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/bionic/+source/gnome-shell/+bug/1756826 +Forwarded: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/205 +--- + js/ui/search.js | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/js/ui/search.js b/js/ui/search.js +index 804be95..dd4bfad 100644 +--- a/js/ui/search.js ++++ b/js/ui/search.js +@@ -227,8 +227,9 @@ var SearchResultsBase = new Lang.Class({ + + this.provider.getResultMetas(metasNeeded, metas => { + if (metas.length != metasNeeded.length) { +- log('Wrong number of result metas returned by search provider ' + this.provider.id + +- ': expected ' + metasNeeded.length + ' but got ' + metas.length); ++ if (!this._cancellable.is_cancelled()) ++ log(`Wrong number of result metas returned by search provider ${this.provider.id}` + ++ `: expected ${metasNeeded.length} but got ${metas.length}`); + callback(false); + return; + } diff --git a/debian/patches/series b/debian/patches/series index 6a12345..02a323d 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -25,3 +25,7 @@ popupMenu-Don-t-handle-key-presses-directly-if-there-are-.patch st-button-Ignore-pointer-emulated-touch-events.patch st-scroll-view-Handle-the-case-where-scrollbars-are-NULL.patch st-scroll-view-Remove-scrollbars-references-on-dispose.patch +viewSelector-Cancel-search-on-overview-hidden.patch +search-Cancel-search-provider-operations-on-clear.patch +search-Ignore-search-provider-results-metas-if-search-is-.patch +ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch diff --git a/debian/patches/ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch b/debian/patches/ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch new file mode 100644 index 0000000..94a1d42 --- /dev/null +++ b/debian/patches/ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch @@ -0,0 +1,167 @@ +From: =?utf-8?b?Ik1hcmNvIFRyZXZpc2FuIChUcmV2acOxbyki?= <m...@3v1n0.net> +Date: Thu, 23 Aug 2018 20:00:57 +0200 +Subject: search: call XUbuntuCancel method on providers when no data is + needed + +Add XUbuntuCancel method to search providers and call it when a search provider +is still doing operations. +Ignore the result when the method does not exist or is cancelled. + +This will allow to stop operations on providers. + +Fixes LP: #1756826 + +Bug-GNOME: https://gitlab.gnome.org/GNOME/gnome-shell/issues/183 +Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/bionic/+source/gnome-shell/+bug/1756826 +Forwarded: not-needed +--- + data/org.gnome.ShellSearchProvider.xml | 6 ++++++ + data/org.gnome.ShellSearchProvider2.xml | 6 ++++++ + js/ui/remoteSearch.js | 15 +++++++++++++++ + js/ui/search.js | 34 +++++++++++++++++++++++++++++++++ + 4 files changed, 61 insertions(+) + +diff --git a/data/org.gnome.ShellSearchProvider.xml b/data/org.gnome.ShellSearchProvider.xml +index 78ad305..393cb01 100644 +--- a/data/org.gnome.ShellSearchProvider.xml ++++ b/data/org.gnome.ShellSearchProvider.xml +@@ -69,5 +69,11 @@ + <method name="ActivateResult"> + <arg type="s" name="identifier" direction="in" /> + </method> ++ ++ <!-- ++ XUbuntuCancel: ++ Cancel the current search operation ++ --> ++ <method name="XUbuntuCancel" /> + </interface> + </node> +diff --git a/data/org.gnome.ShellSearchProvider2.xml b/data/org.gnome.ShellSearchProvider2.xml +index 9502340..8141bc0 100644 +--- a/data/org.gnome.ShellSearchProvider2.xml ++++ b/data/org.gnome.ShellSearchProvider2.xml +@@ -83,5 +83,11 @@ + <arg type="as" name="terms" direction="in" /> + <arg type="u" name="timestamp" direction="in" /> + </method> ++ ++ <!-- ++ XUbuntuCancel: ++ Cancel the current search operation ++ --> ++ <method name="XUbuntuCancel" /> + </interface> + </node> +diff --git a/js/ui/remoteSearch.js b/js/ui/remoteSearch.js +index c6c5a29..8de6148 100644 +--- a/js/ui/remoteSearch.js ++++ b/js/ui/remoteSearch.js +@@ -30,6 +30,7 @@ const SearchProviderIface = '<node> \ + <method name="ActivateResult"> \ + <arg type="s" direction="in" /> \ + </method> \ ++<method name="XUbuntuCancel" /> \ + </interface> \ + </node>'; + +@@ -57,6 +58,7 @@ const SearchProvider2Iface = '<node> \ + <arg type="as" direction="in" /> \ + <arg type="u" direction="in" /> \ + </method> \ ++<method name="XUbuntuCancel" /> \ + </interface> \ + </node>'; + +@@ -310,6 +312,19 @@ var RemoteSearchProvider = new Lang.Class({ + cancellable); + }, + ++ XUbuntuCancel(cancellable, callback) { ++ this.proxy.XUbuntuCancelRemote((results, error) => { ++ if (error && ++ !error.matches(Gio.DBusError, Gio.DBusError.UNKNOWN_METHOD) && ++ !error.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED)) { ++ log('Received error from DBus search provider %s during XUbuntuCancel: %s'.format(this.id, String(error))); ++ } else if (callback && !error) { ++ callback(); ++ } ++ }, ++ cancellable); ++ }, ++ + activateResult(id) { + this.proxy.ActivateResultRemote(id); + }, +diff --git a/js/ui/search.js b/js/ui/search.js +index dd4bfad..629664e 100644 +--- a/js/ui/search.js ++++ b/js/ui/search.js +@@ -225,7 +225,9 @@ var SearchResultsBase = new Lang.Class({ + this._cancellable.cancel(); + this._cancellable.reset(); + ++ this.provider.resultsMetasInProgress = true; + this.provider.getResultMetas(metasNeeded, metas => { ++ this.provider.resultsMetasInProgress = this._cancellable.is_cancelled(); + if (metas.length != metasNeeded.length) { + if (!this._cancellable.is_cancelled()) + log(`Wrong number of result metas returned by search provider ${this.provider.id}` + +@@ -450,6 +452,10 @@ var SearchResults = new Lang.Class({ + + this._searchTimeoutId = 0; + this._cancellable = new Gio.Cancellable(); ++ this._searchCancelCancellable = new Gio.Cancellable(); ++ this._cancellable.connect(() => { ++ this._cancelSearchProviderRequest(); ++ }); + + this._registerProvider(new AppDisplay.AppSearchProvider()); + this._reloadRemoteProviders(); +@@ -491,11 +497,32 @@ var SearchResults = new Lang.Class({ + } + }, + ++ _cancelSearchProviderRequest() { ++ if (this._terms.length != 0 || this._searchCancelTimeoutId > 0) ++ return; ++ ++ this._searchCancelTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, 100, () => { ++ this._providers.forEach(provider => { ++ if (provider.isRemoteProvider && ++ (provider.searchInProgress || provider.resultsMetasInProgress)) { ++ provider.XUbuntuCancel(this._searchCancelCancellable, () => { ++ provider.searchInProgress = false; ++ provider.resultsMetasInProgress = false; ++ }); ++ } ++ }); ++ ++ delete this._searchCancelTimeoutId; ++ return GLib.SOURCE_REMOVE; ++ }); ++ }, ++ + _reset() { + this._terms = []; + this._results = {}; + this._clearDisplay(); + this._clearSearchTimeout(); ++ this._cancelSearchProviderRequest(); + this._defaultResult = null; + this._startingSearch = false; + +@@ -562,6 +589,13 @@ var SearchResults = new Lang.Class({ + if (this._terms.length > 0) + isSubSearch = searchString.indexOf(previousSearchString) == 0; + ++ this._searchCancelCancellable.cancel(); ++ this._searchCancelCancellable.reset(); ++ if (this._searchCancelTimeoutId > 0) { ++ GLib.source_remove(this._searchCancelTimeoutId); ++ delete this._searchCancelTimeoutId; ++ } ++ + this._terms = terms; + this._isSubSearch = isSubSearch; + this._updateSearchProgress(); diff --git a/debian/patches/viewSelector-Cancel-search-on-overview-hidden.patch b/debian/patches/viewSelector-Cancel-search-on-overview-hidden.patch new file mode 100644 index 0000000..88ae73e --- /dev/null +++ b/debian/patches/viewSelector-Cancel-search-on-overview-hidden.patch @@ -0,0 +1,36 @@ +From: =?utf-8?b?Ik1hcmNvIFRyZXZpc2FuIChUcmV2acOxbyki?= <m...@3v1n0.net> +Date: Thu, 23 Aug 2018 16:11:10 +0200 +Subject: viewSelector: Cancel search on overview hidden + +Currently when the overview is hidden, any pending search is kept alive, not only +at remote search provider level (as per issue #183), but even the shell providers +proxies continue to get and process data. This happens even if this is not needed +anymore, while the UI reset is performed only next time that the overview is +shown (causing some more computation presentation time). + +In order to stop this to happen, when the overview is hidden, we have to unset +the search entry to an empty value as this would make SearchResults to have empty +terms list and that would make the proxies cancellable to be triggered (without +causing any further search to start). + +https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/205 + +Bug-GNOME: https://gitlab.gnome.org/GNOME/gnome-shell/issues/183 +Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/bionic/+source/gnome-shell/+bug/1756826 +Forwarded: https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/205 +--- + js/ui/viewSelector.js | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/js/ui/viewSelector.js b/js/ui/viewSelector.js +index 91bc222..c46afc5 100644 +--- a/js/ui/viewSelector.js ++++ b/js/ui/viewSelector.js +@@ -311,6 +311,7 @@ var ViewSelector = new Lang.Class({ + }, + + hide() { ++ this.reset(); + this._workspacesDisplay.hide(); + }, +
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