| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.client.api; |
| |
| import com.google.gerrit.client.rpc.Natives; |
| import com.google.gerrit.client.ui.Screen; |
| import com.google.gwt.core.client.JavaScriptObject; |
| import com.google.gwt.core.client.JsArray; |
| import com.google.gwt.core.client.JsArrayString; |
| import com.google.gwt.dom.client.Element; |
| |
| /** Screen contributed by a plugin. */ |
| public class ExtensionScreen extends Screen { |
| private Context ctx; |
| |
| public ExtensionScreen(String token) { |
| if (token.contains("?")) { |
| token = token.substring(0, token.indexOf('?')); |
| } |
| String name; |
| String rest; |
| int s = token.indexOf('/'); |
| if (0 < s) { |
| name = token.substring(0, s); |
| rest = token.substring(s + 1); |
| } else { |
| name = token; |
| rest = ""; |
| } |
| ctx = create(name, rest); |
| } |
| |
| private Context create(String name, String rest) { |
| for (Definition def : Natives.asList(Definition.get(name))) { |
| JsArrayString m = def.match(rest); |
| if (m != null) { |
| return Context.create(def, this, m); |
| } |
| } |
| return null; |
| } |
| |
| public boolean isFound() { |
| return ctx != null; |
| } |
| |
| @Override |
| protected void onLoad() { |
| super.onLoad(); |
| setHeaderVisible(false); |
| ctx.onLoad(); |
| } |
| |
| @Override |
| protected void onUnload() { |
| super.onUnload(); |
| for (JavaScriptObject u : Natives.asList(ctx.unload())) { |
| ApiGlue.invoke(u); |
| } |
| } |
| |
| static class Definition extends JavaScriptObject { |
| static final JavaScriptObject TYPE = init(); |
| private static native JavaScriptObject init() /*-{ |
| function ScreenDefinition(r, c) { |
| this.pattern = r; |
| this.onLoad = c; |
| }; |
| return ScreenDefinition; |
| }-*/; |
| |
| static native JsArray<Definition> get(String n) |
| /*-{ return $wnd.Gerrit.screens[n] || [] }-*/; |
| |
| final native JsArrayString match(String t) |
| /*-{ |
| var p = this.pattern; |
| if (p instanceof $wnd.RegExp) { |
| var m = p.exec(t); |
| return m && m[0] == t ? m : null; |
| } |
| return p == t ? [t] : null; |
| }-*/; |
| |
| protected Definition() { |
| } |
| } |
| |
| static class Context extends JavaScriptObject { |
| static final Context create( |
| Definition def, |
| ExtensionScreen view, |
| JsArrayString match) { |
| return create(TYPE, def, view, view.getBody().getElement(), match); |
| } |
| |
| final native void onLoad() /*-{ this._d.onLoad(this) }-*/; |
| final native JsArray<JavaScriptObject> unload() /*-{ return this._u }-*/; |
| |
| private static final native Context create( |
| JavaScriptObject T, |
| Definition d, |
| ExtensionScreen s, |
| Element e, |
| JsArrayString m) |
| /*-{ return new T(d,s,e,m) }-*/; |
| |
| private static final JavaScriptObject TYPE = init(); |
| private static final native JavaScriptObject init() /*-{ |
| var T = function(d,s,e,m) { |
| this._d = d; |
| this._s = s; |
| this._u = []; |
| this.body = e; |
| this.token = m[0]; |
| this.token_match = m; |
| }; |
| T.prototype = { |
| setTitle: function(t){this._s.@com.google.gerrit.client.ui.Screen::setPageTitle(Ljava/lang/String;)(t)}, |
| setWindowTitle: function(t){this._s.@com.google.gerrit.client.ui.Screen::setWindowTitle(Ljava/lang/String;)(t)}, |
| show: function(){$entry(this._s.@com.google.gwtexpui.user.client.View::display()())}, |
| onUnload: function(f){this._u.push(f)}, |
| }; |
| return T; |
| }-*/; |
| |
| protected Context() { |
| } |
| } |
| } |