1 files changed, 131 insertions, 0 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
new file mode 100644
index 00000000..6b3acaa9
--- /dev/null
+++ b/ext/bg/js/backend.js
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class Backend {
+    constructor() {
+        this.translator = new Translator();
+        this.anki = new AnkiNull();
+        this.options = null;
+    }
+
+    async prepare() {
+        await this.translator.prepare();
+        await apiOptionsSet(await optionsLoad());
+
+        chrome.commands.onCommand.addListener(this.onCommand.bind(this));
+        chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
+
+        if (this.options.general.showGuide) {
+            chrome.tabs.create({url: chrome.extension.getURL('/bg/guide.html')});
+        }
+    }
+
+    onOptionsUpdated(options) {
+        this.options = utilIsolate(options);
+
+        if (!options.general.enable) {
+            chrome.browserAction.setBadgeBackgroundColor({color: '#555555'});
+            chrome.browserAction.setBadgeText({text: 'off'});
+        } else if (!dictConfigured(options)) {
+            chrome.browserAction.setBadgeBackgroundColor({color: '#f0ad4e'});
+            chrome.browserAction.setBadgeText({text: '!'});
+        } else {
+            chrome.browserAction.setBadgeText({text: ''});
+        }
+
+        if (options.anki.enable) {
+            this.anki = new AnkiConnect(options.anki.server);
+        } else {
+            this.anki = new AnkiNull();
+        }
+
+        chrome.tabs.query({}, tabs => {
+            for (const tab of tabs) {
+                chrome.tabs.sendMessage(tab.id, {action: 'optionsSet', params: options}, () => null);
+            }
+        });
+    }
+
+    onCommand(command) {
+        apiCommandExec(command);
+    }
+
+    onMessage({action, params}, sender, callback) {
+        const forward = (promise, callback) => {
+            return promise.then(result => {
+                callback({result});
+            }).catch(error => {
+                callback({error});
+            });
+        };
+
+        const handlers = {
+            optionsGet: ({callback}) => {
+                forward(apiOptionsGet(), callback);
+            },
+
+            optionsSet: ({options, callback}) => {
+                forward(apiOptionsSet(options), callback);
+            },
+
+            kanjiFind: ({text, callback}) => {
+                forward(apiKanjiFind(text), callback);
+            },
+
+            termsFind: ({text, callback}) => {
+                forward(apiTermsFind(text), callback);
+            },
+
+            definitionAdd: ({definition, mode, callback}) => {
+                forward(apiDefinitionAdd(definition, mode), callback);
+            },
+
+            definitionsAddable: ({definitions, modes, callback}) => {
+                forward(apiDefinitionsAddable(definitions, modes), callback);
+            },
+
+            noteView: ({noteId}) => {
+                forward(apiNoteView(noteId), callback);
+            },
+
+            templateRender: ({template, data, callback}) => {
+                forward(apiTemplateRender(template, data), callback);
+            },
+
+            commandExec: ({command, callback}) => {
+                forward(apiCommandExec(command), callback);
+            },
+
+            audioGetUrl: ({definition, source, callback}) => {
+                forward(apiAudioGetUrl(definition, source), callback);
+            }
+        };
+
+        const handler = handlers[action];
+        if (handler) {
+            params.callback = callback;
+            handler(params);
+        }
+
+        return true;
+    }
+}
+
+window.yomichan_backend = new Backend();
+window.yomichan_backend.prepare();