search: Merge SearchSystem with SearchResults

The complexities of tracking these two things separately, with the
display on one half, and the searching on the other half, is difficult
to manage. Squash it all together.
This commit is contained in:
Jasper St. Pierre 2014-09-11 13:45:51 -06:00
parent b9b4886a6f
commit 03177dc474

View File

@ -24,108 +24,6 @@ const SEARCH_PROVIDERS_SCHEMA = 'org.gnome.desktop.search-providers';
const MAX_LIST_SEARCH_RESULTS_ROWS = 3;
const MAX_GRID_SEARCH_RESULTS_ROWS = 1;
const SearchSystem = new Lang.Class({
Name: 'SearchSystem',
_init: function() {
this._providers = [];
this._registerProvider(new AppDisplay.AppSearchProvider());
this._searchSettings = new Gio.Settings({ schema_id: SEARCH_PROVIDERS_SCHEMA });
this._searchSettings.connect('changed::enabled', Lang.bind(this, this._reloadRemoteProviders));
this._searchSettings.connect('changed::disabled', Lang.bind(this, this._reloadRemoteProviders));
this._searchSettings.connect('changed::disable-external', Lang.bind(this, this._reloadRemoteProviders));
this._searchSettings.connect('changed::sort-order', Lang.bind(this, this._reloadRemoteProviders));
this._reloadRemoteProviders();
this._cancellable = new Gio.Cancellable();
},
addProvider: function(provider) {
this._providers.push(provider);
this.emit('providers-changed');
},
_reloadRemoteProviders: function() {
let remoteProviders = this._providers.filter(function(provider) {
return provider.isRemoteProvider;
});
remoteProviders.forEach(Lang.bind(this, function(provider) {
this._unregisterProvider(provider);
}));
RemoteSearch.loadRemoteSearchProviders(Lang.bind(this, function(providers) {
providers.forEach(Lang.bind(this, this._registerProvider));
}));
this.emit('providers-changed');
},
_registerProvider: function (provider) {
this._providers.push(provider);
},
_unregisterProvider: function (provider) {
let index = this._providers.indexOf(provider);
this._providers.splice(index, 1);
if (provider.display)
provider.display.destroy();
},
getProviders: function() {
return this._providers;
},
getTerms: function() {
return this._terms;
},
reset: function() {
this._terms = [];
this._results = {};
},
_gotResults: function(results, provider) {
this._results[provider.id] = results;
this.emit('search-updated', provider, results);
},
setTerms: function(terms) {
this._cancellable.cancel();
this._cancellable.reset();
let previousResults = this._results;
let previousTerms = this._terms;
this.reset();
if (!terms)
return;
let searchString = terms.join(' ');
let previousSearchString = previousTerms.join(' ');
if (searchString == previousSearchString)
return;
let isSubSearch = false;
if (previousTerms.length > 0)
isSubSearch = searchString.indexOf(previousSearchString) == 0;
this._terms = terms;
this._providers.forEach(Lang.bind(this, function(provider) {
let previousProviderResults = previousResults[provider.id];
if (isSubSearch && previousProviderResults)
provider.getSubsearchResultSet(previousProviderResults, terms, Lang.bind(this, this._gotResults, provider), this._cancellable);
else
provider.getInitialResultSet(terms, Lang.bind(this, this._gotResults, provider), this._cancellable);
}));
}
});
Signals.addSignalMethods(SearchSystem.prototype);
const MaxWidthBin = new Lang.Class({
Name: 'MaxWidthBin',
Extends: St.Bin,
@ -504,10 +402,76 @@ const SearchResults = new Lang.Class({
this._highlightDefault = false;
this._defaultResult = null;
this._searchSystem = new SearchSystem();
this._searchSystem.connect('search-updated', Lang.bind(this, this._updateResults));
this._searchSystem.connect('providers-changed', Lang.bind(this, this._updateProviderDisplays));
this._updateProviderDisplays();
this._providers = [];
this._registerProvider(new AppDisplay.AppSearchProvider());
this._searchSettings = new Gio.Settings({ schema: SEARCH_PROVIDERS_SCHEMA });
this._searchSettings.connect('changed::disabled', Lang.bind(this, this._reloadRemoteProviders));
this._searchSettings.connect('changed::disable-external', Lang.bind(this, this._reloadRemoteProviders));
this._searchSettings.connect('changed::sort-order', Lang.bind(this, this._reloadRemoteProviders));
this._reloadRemoteProviders();
this._cancellable = new Gio.Cancellable();
},
_reloadRemoteProviders: function() {
let remoteProviders = this._providers.filter(function(provider) {
return provider.isRemoteProvider;
});
remoteProviders.forEach(Lang.bind(this, function(provider) {
this._unregisterProvider(provider);
}));
RemoteSearch.loadRemoteSearchProviders(Lang.bind(this, function(providers) {
providers.forEach(Lang.bind(this, this._registerProvider));
}));
},
_registerProvider: function (provider) {
this._providers.push(provider);
this._ensureProviderDisplay(provider);
},
_unregisterProvider: function (provider) {
let index = this._providers.indexOf(provider);
this._providers.splice(index, 1);
if (provider.display)
provider.display.destroy();
},
_gotResults: function(results, provider) {
this._results[provider.id] = results;
this._updateResults(provider, results);
},
setTerms: function(terms) {
this._cancellable.cancel();
this._cancellable.reset();
if (!terms)
return;
let searchString = terms.join(' ');
let previousSearchString = this._terms.join(' ');
if (searchString == previousSearchString)
return;
let isSubSearch = false;
if (this._terms.length > 0)
isSubSearch = searchString.indexOf(previousSearchString) == 0;
this._terms = terms;
this._results = {};
this._providers.forEach(Lang.bind(this, function(provider) {
let previousProviderResults = previousResults[provider.id];
if (isSubSearch && previousProviderResults)
provider.getSubsearchResultSet(previousProviderResults, terms, Lang.bind(this, this._gotResults, provider), this._cancellable);
else
provider.getInitialResultSet(terms, Lang.bind(this, this._gotResults, provider), this._cancellable);
}));
},
_onPan: function(action) {
@ -536,18 +500,15 @@ const SearchResults = new Lang.Class({
provider.display = providerDisplay;
},
_updateProviderDisplays: function() {
this._searchSystem.getProviders().forEach(Lang.bind(this, this._ensureProviderDisplay));
},
_clearDisplay: function() {
this._searchSystem.getProviders().forEach(function(provider) {
this._providers.forEach(function(provider) {
provider.display.clear();
});
},
reset: function() {
this._searchSystem.reset();
this._terms = [];
this._results = {};
this._statusBin.hide();
this._clearDisplay();
this._defaultResult = null;
@ -559,14 +520,10 @@ const SearchResults = new Lang.Class({
this._statusBin.show();
},
setTerms: function(terms) {
this._searchSystem.setTerms(terms);
},
_maybeSetInitialSelection: function() {
let newDefaultResult = null;
let providers = this._searchSystem.getProviders();
let providers = this._providers;
for (let i = 0; i < providers.length; i++) {
let provider = providers[i];
let display = provider.display;
@ -590,7 +547,7 @@ const SearchResults = new Lang.Class({
},
_updateStatusText: function () {
let haveResults = this._searchSystem.getProviders().some(function(provider) {
let haveResults = this._providers.some(function(provider) {
let display = provider.display;
return (display.getFirstResult() != null);
});
@ -603,8 +560,8 @@ const SearchResults = new Lang.Class({
}
},
_updateResults: function(searchSystem, provider, results) {
let terms = searchSystem.getTerms();
_updateResults: function(provider, results) {
let terms = this._terms;
let display = provider.display;
display.updateSearch(results, terms, Lang.bind(this, function() {