Display history refactor (#691)

* Create DisplayHistory

* Change arguments for _setContentTermsOrKanji

* Set up history-driven content updates

* Use new history only

* Load definitions if missing

* Refactor definitions getting

* Add support for wildcards

* Move definitions setup

* Add events

* Allow state change even if there is no history state

* Update search page to use history

* Fix history overwriting

* Fix search page not seeing state chang events during prepare

* Update state if necessary

* Don't reassign query text if the same

* Remove DisplayContext

* Initialize with real history state

* Track URL

* Update DisplayHistory to support pseudo-history

* Configure history settings on search page

* Fix state

* Use full URL

* Change data format of setContent

* Rename details to content

* Update event arguments

* Fix animation

* Remove old state changes

* Clear content properly

* Remove set/clear content overrides

* Fix setting up event listeners for content clear

* Make clearContent private

* Make focus opt-in

* Validate source

* Add unloaded type

* Generalize content params

* Update how extension unload content is assigned

* Restore query blurring

1 files changed, 0 insertions, 55 deletions

diff --git a/ext/mixed/js/display-context.js b/ext/mixed/js/display-context.js
deleted file mode 100644
index 2322974a..00000000
--- a/ext/mixed/js/display-context.js
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2019-2020  Yomichan Authors
- *
- * 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 <https://www.gnu.org/licenses/>.
- */
-
-
-class DisplayContext {
-    constructor(type, source, definitions, context) {
-        this.type = type;
-        this.source = source;
-        this.definitions = definitions;
-        this.context = context;
-    }
-
-    get(key) {
-        return this.context[key];
-    }
-
-    set(key, value) {
-        this.context[key] = value;
-    }
-
-    update(data) {
-        Object.assign(this.context, data);
-    }
-
-    get previous() {
-        return this.context.previous;
-    }
-
-    get next() {
-        return this.context.next;
-    }
-
-    static push(self, type, source, definitions, context) {
-        const newContext = new DisplayContext(type, source, definitions, context);
-        if (self !== null) {
-            newContext.update({previous: self});
-            self.update({next: newContext});
-        }
-        return newContext;
-    }
-}