this commit is too big

chatterino.pro

@@ -9,7 +9,6 @@ message(----)
 QT                += widgets core gui network multimedia svg
 CONFIG            += communi
 COMMUNI           += core model util
-CONFIG            += c++14
 INCLUDEPATH       += src/
 TARGET             = chatterino
 TEMPLATE           = app
@@ -17,6 +16,16 @@ DEFINES           += QT_DEPRECATED_WARNINGS
 PRECOMPILED_HEADER = src/PrecompiledHeader.hpp
 CONFIG            += precompile_header
 
+win32-msvc* {
+    QMAKE_CXXFLAGS = /std=c++17
+} else {
+    QMAKE_CXXFLAGS = -std=c++17
+}
+
+debug {
+    DEFINES += QT_DEBUG
+}
+
 useBreakpad {
     LIBS += -L$$PWD/lib/qBreakpad/handler/build
     include(lib/qBreakpad/qBreakpad.pri)
@@ -132,9 +141,7 @@ SOURCES += \
     src/messages/MessageBuilder.cpp \
     src/messages/MessageColor.cpp \
     src/messages/MessageElement.cpp \
-    src/providers/bttv/BttvEmotes.cpp \
     src/providers/emoji/Emojis.cpp \
-    src/providers/ffz/FfzEmotes.cpp \
     src/providers/irc/AbstractIrcServer.cpp \
     src/providers/irc/IrcAccount.cpp \
     src/providers/irc/IrcChannel2.cpp \
@@ -232,7 +239,21 @@ SOURCES += \
     src/widgets/dialogs/UpdateDialog.cpp \
     src/widgets/settingspages/IgnoresPage.cpp \
     src/providers/twitch/PubsubClient.cpp \
-    src/providers/twitch/TwitchApi.cpp
+    src/providers/twitch/TwitchApi.cpp \
+    src/messages/Emote.cpp \
+    src/messages/EmoteMap.cpp \
+    src/messages/ImageSet.cpp \
+    src/providers/bttv/BttvEmotes.cpp \
+    src/providers/ffz/FfzEmotes.cpp \
+    src/autogenerated/ResourcesAutogen.cpp \
+    src/singletons/Badges.cpp \
+    src/providers/twitch/TwitchBadges.cpp \
+    src/providers/chatterino/ChatterinoBadges.cpp \
+    src/providers/twitch/TwitchParseCheerEmotes.cpp \
+    src/providers/bttv/LoadBttvChannelEmote.cpp \
+    src/util/JsonQuery.cpp \
+    src/RunGui.cpp \
+    src/BrowserExtension.cpp
 
 HEADERS  += \
     src/Application.hpp \
@@ -292,9 +313,7 @@ HEADERS  += \
     src/messages/MessageParseArgs.hpp \
     src/messages/Selection.hpp \
     src/PrecompiledHeader.hpp \
-    src/providers/bttv/BttvEmotes.hpp \
     src/providers/emoji/Emojis.hpp \
-    src/providers/ffz/FfzEmotes.hpp \
     src/providers/irc/AbstractIrcServer.hpp \
     src/providers/irc/IrcAccount.hpp \
     src/providers/irc/IrcChannel2.hpp \
@@ -413,10 +432,28 @@ HEADERS  += \
     src/widgets/dialogs/UpdateDialog.hpp \
     src/widgets/settingspages/IgnoresPage.hpp \
     src/providers/twitch/PubsubClient.hpp \
-    src/providers/twitch/TwitchApi.hpp
+    src/providers/twitch/TwitchApi.hpp \
+    src/messages/Emote.hpp \
+    src/messages/EmoteMap.hpp \
+    src/messages/EmoteCache.hpp \
+    src/messages/ImageSet.hpp \
+    src/common/Outcome.hpp \
+    src/providers/bttv/BttvEmotes.hpp \
+    src/providers/ffz/FfzEmotes.hpp \
+    src/autogenerated/ResourcesAutogen.hpp \
+    src/singletons/Badges.hpp \
+    src/providers/twitch/TwitchBadges.hpp \
+    src/providers/chatterino/ChatterinoBadges.hpp \
+    src/common/Aliases.hpp \
+    src/providers/twitch/TwitchParseCheerEmotes.hpp \
+    src/providers/bttv/LoadBttvChannelEmote.hpp \
+    src/util/JsonQuery.hpp \
+    src/RunGui.hpp \
+    src/BrowserExtension.hpp
 
 RESOURCES += \ 
     resources/resources.qrc \
+    resources/resources_autogenerated.qrc
 
 DISTFILES +=
 

resources/_generate_resources.py

@@ -0,0 +1,38 @@
+resources_header = \
+'''<RCC>
+  <qresource prefix="/">'''
+
+resources_footer = \
+'''  </qresource>
+</RCC>'''
+
+header_header = \
+'''#include <QPixmap>
+#include "common/Singleton.hpp"
+
+namespace chatterino {
+
+class Resources2 : public Singleton {
+public:
+    Resources2();
+
+'''
+
+header_footer = \
+'''};
+
+}  // namespace chatterino'''
+
+source_header = \
+'''#include "ResourcesAutogen.hpp"
+
+namespace chatterino {
+
+Resources2::Resources2()
+{
+'''
+
+source_footer = \
+'''}
+
+}  // namespace chatterino'''

resources/generate_resources.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+from pathlib import Path
+
+from _generate_resources import *
+
+ignored_files = ['qt.conf', 'resources.qrc', 'resources_autogenerated.qrc', 'windows.rc',
+        'generate_resources.py', '_generate_resources.py']
+ignored_directories = ['__pycache__']
+
+def isNotIgnored(file):
+    return str(file) not in ignored_files
+
+all_files = list(filter(isNotIgnored, \
+    filter(Path.is_file, Path('.').glob('**/*'))))
+image_files = list(filter(isNotIgnored, \
+    filter(Path.is_file, Path('.').glob('**/*.png'))))
+
+with open('./resources_autogenerated.qrc', 'w') as out:
+    out.write(resources_header)
+    for file in all_files:
+        out.write(f"    <file>{str(file)}</file>\n")
+    out.write(resources_footer)
+
+with open('../src/autogenerated/ResourcesAutogen.cpp', 'w') as out:
+    out.write(source_header)
+    for file in sorted(image_files):
+        var_name = str(file.with_suffix("")).replace("/",".")
+        out.write(f'    this->{var_name}')
+        out.write(f' = QPixmap(":/{file}");\n')
+    out.write(source_footer)
+
+def writeHeader(out, name, element, indent):
+    if isinstance(element, dict):
+        if name != "":
+            out.write(f"{indent}struct {{\n")
+        for (key, value) in element.items():
+            writeHeader(out, key, value, indent + '    ')
+        if name != "":
+            out.write(f"{indent}}} {name};\n");
+    else:
+        out.write(f"{indent}QPixmap {element};\n")
+
+with open('../src/autogenerated/ResourcesAutogen.hpp', 'w') as out:
+    out.write(header_header)
+
+    elements = {}
+    for file in sorted(image_files):
+        elements_ref = elements
+        directories = str(file).split('/')[:-1]
+        filename = file.stem
+        for directory in directories:
+            if directory not in elements_ref:
+                if directory not in ignored_directories:
+                    elements_ref[directory] = {}
+            elements_ref = elements_ref[directory]
+        elements_ref[filename] = filename
+
+    writeHeader(out, "", elements, '')
+
+    out.write(header_footer)
+

resources/resources.qrc

@@ -1,81 +1,4 @@
 <RCC>
-    <qresource prefix="/">
-        <file>images/AppearanceEditorPart_16x.png</file>
-        <file>images/BrowserLink_16x.png</file>
-        <file>images/cheer1.png</file>
-        <file>images/cheer100.png</file>
-        <file>images/cheer1000.png</file>
-        <file>images/cheer10000.png</file>
-        <file>images/cheer100000.png</file>
-        <file>images/cheer5000.png</file>
-        <file>images/verified.png</file>
-        <file>images/CopyLongTextToClipboard_16x.png</file>
-        <file>images/CustomActionEditor_16x.png</file>
-        <file>images/Emoji_Color_1F60A_19.png</file>
-        <file>images/Filter_16x.png</file>
-        <file>images/format_Bold_16xLG.png</file>
-        <file>images/Message_16xLG.png</file>
-        <file>images/settings.png</file>
-        <file>images/tool_moreCollapser_off16.png</file>
-        <file>images/twitchprime_bg.png</file>
-        <file>qss/settings.qss</file>
-        <file>images/admin_bg.png</file>
-        <file>images/broadcaster_bg.png</file>
-        <file>images/globalmod_bg.png</file>
-        <file>images/moderator_bg.png</file>
-        <file>images/staff_bg.png</file>
-        <file>images/turbo_bg.png</file>
-        <file>emojidata.txt</file>
-        <file>images/button_ban.png</file>
-        <file>images/button_timeout.png</file>
-        <file>images/StatusAnnotations_Blocked_16xLG_color.png</file>
-        <file>images/UserProfile_22x.png</file>
-        <file>images/VSO_Link_blue_16x.png</file>
-        <file>sounds/ping2.wav</file>
-        <file>images/subscriber.png</file>
-        <file>images/collapse.png</file>
-        <file>images/emote.svg</file>
-        <file>images/notifications.svg</file>
-        <file>images/behave.svg</file>
-        <file>images/theme.svg</file>
-        <file>images/accounts.svg</file>
-        <file>images/chatterino2.icns</file>
-        <file>images/icon.png</file>
-        <file>images/commands.svg</file>
-        <file>images/aboutlogo.png</file>
-        <file>images/about.svg</file>
-        <file>images/moderatormode_disabled.png</file>
-        <file>images/moderatormode_enabled.png</file>
-        <file>images/split/splitdown.png</file>
-        <file>images/split/splitleft.png</file>
-        <file>images/split/splitright.png</file>
-        <file>images/split/splitup.png</file>
-        <file>images/split/splitmove.png</file>
-        <file>licenses/boost_boost.txt</file>
-        <file>licenses/fmt_bsd2.txt</file>
-        <file>licenses/libcommuni_BSD3.txt</file>
-        <file>licenses/openssl.txt</file>
-        <file>licenses/pajlada_settings.txt</file>
-        <file>licenses/pajlada_signals.txt</file>
-        <file>licenses/qt_lgpl-3.0.txt</file>
-        <file>licenses/rapidjson.txt</file>
-        <file>licenses/websocketpp.txt</file>
-        <file>emoji.json</file>
-        <file>images/buttons/ban.png</file>
-        <file>images/buttons/mod.png</file>
-        <file>images/buttons/unban.png</file>
-        <file>images/buttons/unmod.png</file>
-        <file>images/emote_dark.svg</file>
-        <file>tlds.txt</file>
-        <file>images/menu_black.png</file>
-        <file>images/menu_white.png</file>
-        <file>contributors.txt</file>
-        <file>avatars/fourtf.png</file>
-        <file>avatars/pajlada.png</file>
-        <file>images/download_update.png</file>
-        <file>images/download_update_error.png</file>
-		<file>images/pajaDank.png</file>
-    </qresource>
   <qresource prefix="/qt/etc">
     <file>qt.conf</file>
   </qresource>

resources/resources_autogenerated.qrc

@@ -0,0 +1,64 @@
+<RCC>
+  <qresource prefix="/">    <file>pajaDank.png</file>
+    <file>icon.png</file>
+    <file>emojidata.txt</file>
+    <file>contributors.txt</file>
+    <file>error.png</file>
+    <file>emoji.json</file>
+    <file>icon.ico</file>
+    <file>tlds.txt</file>
+    <file>chatterino2.icns</file>
+    <file>qss/settings.qss</file>
+    <file>__pycache__/_generate_resources.cpython-36.pyc</file>
+    <file>licenses/fmt_bsd2.txt</file>
+    <file>licenses/openssl.txt</file>
+    <file>licenses/pajlada_settings.txt</file>
+    <file>licenses/qt_lgpl-3.0.txt</file>
+    <file>licenses/pajlada_signals.txt</file>
+    <file>licenses/rapidjson.txt</file>
+    <file>licenses/websocketpp.txt</file>
+    <file>licenses/boost_boost.txt</file>
+    <file>licenses/libcommuni_BSD3.txt</file>
+    <file>settings/aboutlogo.png</file>
+    <file>settings/behave.svg</file>
+    <file>settings/accounts.svg</file>
+    <file>settings/about.svg</file>
+    <file>settings/notifications.svg</file>
+    <file>settings/commands.svg</file>
+    <file>settings/theme.svg</file>
+    <file>split/up.png</file>
+    <file>split/left.png</file>
+    <file>split/move.png</file>
+    <file>split/right.png</file>
+    <file>split/down.png</file>
+    <file>buttons/unban.png</file>
+    <file>buttons/menuDark.png</file>
+    <file>buttons/mod.png</file>
+    <file>buttons/emote.svg</file>
+    <file>buttons/modModeEnabled2.png</file>
+    <file>buttons/ban.png</file>
+    <file>buttons/unmod.png</file>
+    <file>buttons/emoteDark.svg</file>
+    <file>buttons/updateError.png</file>
+    <file>buttons/modModeDisabled.png</file>
+    <file>buttons/modModeDisabled2.png</file>
+    <file>buttons/modModeEnabled.png</file>
+    <file>buttons/menuLight.png</file>
+    <file>buttons/update.png</file>
+    <file>buttons/timeout.png</file>
+    <file>buttons/banRed.png</file>
+    <file>sounds/ping2.wav</file>
+    <file>twitch/prime.png</file>
+    <file>twitch/verified.png</file>
+    <file>twitch/admin.png</file>
+    <file>twitch/subscriber.png</file>
+    <file>twitch/turbo.png</file>
+    <file>twitch/moderator.png</file>
+    <file>twitch/globalmod.png</file>
+    <file>twitch/cheer1.png</file>
+    <file>twitch/broadcaster.png</file>
+    <file>twitch/staff.png</file>
+    <file>avatars/fourtf.png</file>
+    <file>avatars/pajlada.png</file>
+  </qresource>
+</RCC>

src/Application.cpp

@@ -6,9 +6,10 @@
 #include "controllers/ignores/IgnoreController.hpp"
 #include "controllers/moderationactions/ModerationActions.hpp"
 #include "controllers/taggedusers/TaggedUsersController.hpp"
+#include "providers/bttv/BttvEmotes.hpp"
+#include "providers/ffz/FfzEmotes.hpp"
 #include "providers/twitch/PubsubClient.hpp"
 #include "providers/twitch/TwitchServer.hpp"
-#include "singletons/Emotes.hpp"
 #include "singletons/Fonts.hpp"
 #include "singletons/Logging.hpp"
 #include "singletons/NativeMessaging.hpp"
@@ -24,69 +25,75 @@
 
 namespace chatterino {
 
-static std::atomic<bool> isAppConstructed{false};
 static std::atomic<bool> isAppInitialized{false};
 
-static Application *staticApp = nullptr;
+Application *Application::instance = nullptr;
 
 // this class is responsible for handling the workflow of Chatterino
 // It will create the instances of the major classes, and connect their signals to each other
 
-Application::Application(int _argc, char **_argv)
-    : argc_(_argc)
-    , argv_(_argv)
+Application::Application(Settings &_settings, Paths &_paths)
+    : settings(&_settings)
+    , paths(&_paths)
+    , resources(&this->emplace<Resources2>())
+
+    , themes(&this->emplace<Theme>())
+    , fonts(&this->emplace<Fonts>())
+    , emotes(&this->emplace<Emotes>())
+    , windows(&this->emplace<WindowManager>())
+
+    , accounts(&this->emplace<AccountController>())
+    , commands(&this->emplace<CommandController>())
+    , highlights(&this->emplace<HighlightController>())
+    , ignores(&this->emplace<IgnoreController>())
+    , taggedUsers(&this->emplace<TaggedUsersController>())
+    , moderationActions(&this->emplace<ModerationActions>())
+    , twitch2(&this->emplace<TwitchServer>())
+    , logging(&this->emplace<Logging>())
 {
-    getSettings()->initialize();
-    getSettings()->load();
-}
+    this->instance = this;
 
-void Application::construct()
-{
-    assert(isAppConstructed == false);
-    isAppConstructed = true;
+    this->fonts->fontChanged.connect([this]() { this->windows->layoutChannelViews(); });
 
-    // 1. Instantiate all classes
-    this->settings = getSettings();
-    this->paths = getPaths();
-
-    this->addSingleton(this->themes = new Theme);
-    this->addSingleton(this->windows = new WindowManager);
-    this->addSingleton(this->logging = new Logging);
-    this->addSingleton(this->commands = new CommandController);
-    this->addSingleton(this->highlights = new HighlightController);
-    this->addSingleton(this->ignores = new IgnoreController);
-    this->addSingleton(this->taggedUsers = new TaggedUsersController);
-    this->addSingleton(this->accounts = new AccountController);
-    this->addSingleton(this->emotes = new Emotes);
-    this->addSingleton(this->fonts = new Fonts);
-    this->addSingleton(this->resources = new Resources);
-    this->addSingleton(this->moderationActions = new ModerationActions);
-
-    this->addSingleton(this->twitch2 = new TwitchServer);
     this->twitch.server = this->twitch2;
     this->twitch.pubsub = this->twitch2->pubsub;
 }
 
-void Application::instantiate(int argc, char **argv)
-{
-    assert(staticApp == nullptr);
-
-    staticApp = new Application(argc, argv);
-}
-
-void Application::initialize()
+void Application::initialize(Settings &settings, Paths &paths)
 {
     assert(isAppInitialized == false);
     isAppInitialized = true;
 
-    // 2. Initialize/load classes
-    for (Singleton *singleton : this->singletons_) {
-        singleton->initialize(*this);
+    for (auto &singleton : this->singletons_) {
+        singleton->initialize(settings, paths);
     }
 
-    // XXX
     this->windows->updateWordTypeMask();
 
+    this->initNm();
+    this->initPubsub();
+}
+
+int Application::run(QApplication &qtApp)
+{
+    assert(isAppInitialized);
+
+    this->twitch.server->connect();
+
+    this->windows->getMainWindow().show();
+
+    return qtApp.exec();
+}
+
+void Application::save()
+{
+    for (auto &singleton : this->singletons_) {
+        singleton->save();
+    }
+}
+
+void Application::initNm()
+{
 #ifdef Q_OS_WIN
 #ifdef QT_DEBUG
 #ifdef C_DEBUG_NM
@@ -98,7 +105,10 @@ void Application::initialize()
     this->nativeMessaging->openGuiMessageQueue();
 #endif
 #endif
+}
 
+void Application::initPubsub()
+{
     this->twitch.pubsub->signals_.whisper.sent.connect([](const auto &msg) {
         Log("WHISPER SENT LOL");  //
     });
@@ -197,39 +207,11 @@ void Application::initialize()
     RequestModerationActions();
 }
 
-int Application::run(QApplication &qtApp)
-{
-    // Start connecting to the IRC Servers (Twitch only for now)
-    this->twitch.server->connect();
-
-    // Show main window
-    this->windows->getMainWindow().show();
-
-    return qtApp.exec();
-}
-
-void Application::save()
-{
-    for (Singleton *singleton : this->singletons_) {
-        singleton->save();
-    }
-}
-
-void Application::addSingleton(Singleton *singleton)
-{
-    this->singletons_.push_back(singleton);
-}
-
 Application *getApp()
 {
-    assert(staticApp != nullptr);
+    assert(Application::instance != nullptr);
 
-    return staticApp;
-}
-
-bool appInitialized()
-{
-    return isAppInitialized;
+    return Application::instance;
 }
 
 }  // namespace chatterino

src/Application.hpp

@@ -1,13 +1,13 @@
 #pragma once
 
+#include "common/Singleton.hpp"
 #include "singletons/Resources.hpp"
 
 #include <QApplication>
+#include <memory>
 
 namespace chatterino {
 
-class Singleton;
-
 class TwitchServer;
 class PubSub;
 
@@ -24,45 +24,47 @@ class Logging;
 class Paths;
 class AccountManager;
 class Emotes;
-class NativeMessaging;
 class Settings;
 class Fonts;
 class Resources;
 
 class Application
 {
-    Application(int _argc, char **_argv);
+    std::vector<std::unique_ptr<Singleton>> singletons_;
+    int argc_;
+    char **argv_;
 
 public:
-    static void instantiate(int argc_, char **argv_);
+    static Application *instance;
 
-    ~Application() = delete;
+    Application(Settings &settings, Paths &paths);
 
-    void construct();
-    void initialize();
+    void initialize(Settings &settings, Paths &paths);
     void load();
+    void save();
 
     int run(QApplication &qtApp);
 
     friend void test();
 
-    Settings *settings = nullptr;
-    Paths *paths = nullptr;
+    Settings *const settings = nullptr;
+    Paths *const paths = nullptr;
+    Resources2 *const resources;
 
-    Theme *themes = nullptr;
-    WindowManager *windows = nullptr;
-    Logging *logging = nullptr;
-    CommandController *commands = nullptr;
-    HighlightController *highlights = nullptr;
-    IgnoreController *ignores = nullptr;
-    TaggedUsersController *taggedUsers = nullptr;
-    AccountController *accounts = nullptr;
-    Emotes *emotes = nullptr;
-    NativeMessaging *nativeMessaging = nullptr;
-    Fonts *fonts = nullptr;
-    Resources *resources = nullptr;
-    ModerationActions *moderationActions = nullptr;
-    TwitchServer *twitch2 = nullptr;
+    Theme *const themes = nullptr;
+    Fonts *const fonts = nullptr;
+    Emotes *const emotes = nullptr;
+    WindowManager *const windows = nullptr;
+
+    AccountController *const accounts = nullptr;
+    CommandController *const commands = nullptr;
+    HighlightController *const highlights = nullptr;
+    IgnoreController *const ignores = nullptr;
+    TaggedUsersController *const taggedUsers = nullptr;
+    ModerationActions *const moderationActions = nullptr;
+    TwitchServer *const twitch2 = nullptr;
+
+    [[deprecated]] Logging *const logging = nullptr;
 
     /// Provider-specific
     struct {
@@ -70,22 +72,20 @@ public:
         [[deprecated("use twitch2->pubsub instead")]] PubSub *pubsub = nullptr;
     } twitch;
 
-    void save();
-
-    // Special application mode that only initializes the native messaging host
-    static void runNativeMessagingHost();
-
 private:
     void addSingleton(Singleton *singleton);
+    void initPubsub();
+    void initNm();
 
-    int argc_;
-    char **argv_;
-
-    std::vector<Singleton *> singletons_;
+    template <typename T, typename = std::enable_if_t<std::is_base_of<Singleton, T>::value>>
+    T &emplace()
+    {
+        auto t = new T;
+        this->singletons_.push_back(std::unique_ptr<T>(t));
+        return *t;
+    }
 };
 
 Application *getApp();
 
-bool appInitialized();
-
 }  // namespace chatterino

src/BrowserExtension.cpp

@@ -0,0 +1,88 @@
+#include "BrowserExtension.hpp"
+
+#include "singletons/NativeMessaging.hpp"
+
+#include <QStringList>
+#include <QTimer>
+#include <fstream>
+#include <iostream>
+#include <memory>
+
+#ifdef Q_OS_WIN
+#include <fcntl.h>
+#include <io.h>
+#include <stdio.h>
+#endif
+
+namespace chatterino {
+
+namespace {
+void initFileMode()
+{
+#ifdef Q_OS_WIN
+    _setmode(_fileno(stdin), _O_BINARY);
+    _setmode(_fileno(stdout), _O_BINARY);
+#endif
+}
+
+void runLoop(NativeMessagingClient &client)
+{
+    while (true) {
+        char size_c[4];
+        std::cin.read(size_c, 4);
+
+        if (std::cin.eof()) {
+            break;
+        }
+
+        uint32_t size = *reinterpret_cast<uint32_t *>(size_c);
+
+#if 0
+    bool bigEndian = isBigEndian();
+        // To avoid breaking strict-aliasing rules and potentially inducing undefined behaviour, the following code can be run instead
+        uint32_t size = 0;
+        if (bigEndian) {
+            size = size_c[3] | static_cast<uint32_t>(size_c[2]) << 8 |
+                   static_cast<uint32_t>(size_c[1]) << 16 | static_cast<uint32_t>(size_c[0]) << 24;
+        } else {
+            size = size_c[0] | static_cast<uint32_t>(size_c[1]) << 8 |
+                   static_cast<uint32_t>(size_c[2]) << 16 | static_cast<uint32_t>(size_c[3]) << 24;
+        }
+#endif
+
+        std::unique_ptr<char[]> b(new char[size + 1]);
+        std::cin.read(b.get(), size);
+        *(b.get() + size) = '\0';
+
+        client.sendMessage(QByteArray::fromRawData(b.get(), static_cast<int32_t>(size)));
+    }
+}
+}  // namespace
+
+bool shouldRunBrowserExtensionHost(const QStringList &args)
+{
+    return args.size() > 0 &&
+           (args[0].startsWith("chrome-extension://") || args[0].endsWith(".json"));
+}
+
+void runBrowserExtensionHost()
+{
+    initFileMode();
+
+    std::atomic<bool> ping(false);
+
+    QTimer timer;
+    QObject::connect(&timer, &QTimer::timeout, [&ping] {
+        if (!ping.exchange(false)) {
+            _Exit(0);
+        }
+    });
+    timer.setInterval(11000);
+    timer.start();
+
+    NativeMessagingClient client;
+
+    runLoop(client);
+}
+
+}  // namespace chatterino

src/BrowserExtension.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+class QStringList;
+
+namespace chatterino {
+
+bool shouldRunBrowserExtensionHost(const QStringList &args);
+void runBrowserExtensionHost();
+
+}  // namespace chatterino

src/RunGui.cpp

@@ -0,0 +1,130 @@
+#include "RunGui.hpp"
+
+#include <QApplication>
+#include <QFile>
+#include <QPalette>
+#include <QStyleFactory>
+
+#include "Application.hpp"
+#include "common/NetworkManager.hpp"
+#include "singletons/Paths.hpp"
+#include "singletons/Updates.hpp"
+#include "widgets/dialogs/LastRunCrashDialog.hpp"
+
+#ifdef C_USE_BREAKPAD
+#include <QBreakpadHandler.h>
+#endif
+
+// void initQt();
+// void installCustomPalette();
+// void showLastCrashDialog();
+// void createRunningFile(const QString &path);
+// void removeRunningFile(const QString &path);
+
+namespace chatterino {
+namespace {
+void installCustomPalette()
+{
+    // borrowed from
+    // https://stackoverflow.com/questions/15035767/is-the-qt-5-dark-fusion-theme-available-for-windows
+    QPalette darkPalette = qApp->palette();
+
+    darkPalette.setColor(QPalette::Window, QColor(22, 22, 22));
+    darkPalette.setColor(QPalette::WindowText, Qt::white);
+    darkPalette.setColor(QPalette::Text, Qt::white);
+    darkPalette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
+    darkPalette.setColor(QPalette::Base, QColor("#333"));
+    darkPalette.setColor(QPalette::AlternateBase, QColor("#444"));
+    darkPalette.setColor(QPalette::ToolTipBase, Qt::white);
+    darkPalette.setColor(QPalette::ToolTipText, Qt::white);
+    darkPalette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
+    darkPalette.setColor(QPalette::Dark, QColor(35, 35, 35));
+    darkPalette.setColor(QPalette::Shadow, QColor(20, 20, 20));
+    darkPalette.setColor(QPalette::Button, QColor(70, 70, 70));
+    darkPalette.setColor(QPalette::ButtonText, Qt::white);
+    darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
+    darkPalette.setColor(QPalette::BrightText, Qt::red);
+    darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
+    darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
+    darkPalette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
+    darkPalette.setColor(QPalette::HighlightedText, Qt::white);
+    darkPalette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
+
+    qApp->setPalette(darkPalette);
+}
+
+void initQt()
+{
+    // set up the QApplication flags
+    QApplication::setAttribute(Qt::AA_Use96Dpi, true);
+#ifdef Q_OS_WIN32
+    QApplication::setAttribute(Qt::AA_DisableHighDpiScaling, true);
+#endif
+
+    QApplication::setStyle(QStyleFactory::create("Fusion"));
+
+    installCustomPalette();
+}
+
+void showLastCrashDialog()
+{
+#ifndef C_DISABLE_CRASH_DIALOG
+    LastRunCrashDialog dialog;
+
+    switch (dialog.exec()) {
+        case QDialog::Accepted: {
+        }; break;
+        default: {
+            _exit(0);
+        }
+    }
+#endif
+}
+
+void createRunningFile(const QString &path)
+{
+    QFile runningFile(path);
+
+    runningFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
+    runningFile.flush();
+    runningFile.close();
+}
+
+void removeRunningFile(const QString &path)
+{
+    QFile::remove(path);
+}
+}  // namespace
+
+void runGui(QApplication &a, Paths &paths, Settings &settings)
+{
+    chatterino::NetworkManager::init();
+    chatterino::Updates::getInstance().checkForUpdates();
+
+#ifdef C_USE_BREAKPAD
+    QBreakpadInstance.setDumpPath(app->paths->settingsFolderPath + "/Crashes");
+#endif
+
+    // Running file
+    auto runningPath = paths.miscDirectory + "/running_" + paths.applicationFilePathHash;
+
+    if (QFile::exists(runningPath)) {
+        showLastCrashDialog();
+    } else {
+        createRunningFile(runningPath);
+    }
+
+    Application app(settings, paths);
+    app.initialize(settings, paths);
+    app.run(a);
+    app.save();
+
+    removeRunningFile(runningPath);
+
+    pajlada::Settings::SettingManager::gSave();
+
+    chatterino::NetworkManager::deinit();
+
+    _exit(0);
+}
+}  // namespace chatterino

src/RunGui.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+class QApplication;
+
+namespace chatterino {
+class Paths;
+class Settings;
+
+void runGui(QApplication &a, Paths &paths, Settings &settings);
+}  // namespace chatterino

src/autogenerated/ResourcesAutogen.cpp

@@ -0,0 +1,44 @@
+#include "ResourcesAutogen.hpp"
+
+namespace chatterino {
+
+Resources2::Resources2()
+{
+    this->avatars.fourtf = QPixmap(":/avatars/fourtf.png");
+    this->avatars.pajlada = QPixmap(":/avatars/pajlada.png");
+    this->buttons.ban = QPixmap(":/buttons/ban.png");
+    this->buttons.banRed = QPixmap(":/buttons/banRed.png");
+    this->buttons.menuDark = QPixmap(":/buttons/menuDark.png");
+    this->buttons.menuLight = QPixmap(":/buttons/menuLight.png");
+    this->buttons.mod = QPixmap(":/buttons/mod.png");
+    this->buttons.modModeDisabled = QPixmap(":/buttons/modModeDisabled.png");
+    this->buttons.modModeDisabled2 = QPixmap(":/buttons/modModeDisabled2.png");
+    this->buttons.modModeEnabled = QPixmap(":/buttons/modModeEnabled.png");
+    this->buttons.modModeEnabled2 = QPixmap(":/buttons/modModeEnabled2.png");
+    this->buttons.timeout = QPixmap(":/buttons/timeout.png");
+    this->buttons.unban = QPixmap(":/buttons/unban.png");
+    this->buttons.unmod = QPixmap(":/buttons/unmod.png");
+    this->buttons.update = QPixmap(":/buttons/update.png");
+    this->buttons.updateError = QPixmap(":/buttons/updateError.png");
+    this->error = QPixmap(":/error.png");
+    this->icon = QPixmap(":/icon.png");
+    this->pajaDank = QPixmap(":/pajaDank.png");
+    this->settings.aboutlogo = QPixmap(":/settings/aboutlogo.png");
+    this->split.down = QPixmap(":/split/down.png");
+    this->split.left = QPixmap(":/split/left.png");
+    this->split.move = QPixmap(":/split/move.png");
+    this->split.right = QPixmap(":/split/right.png");
+    this->split.up = QPixmap(":/split/up.png");
+    this->twitch.admin = QPixmap(":/twitch/admin.png");
+    this->twitch.broadcaster = QPixmap(":/twitch/broadcaster.png");
+    this->twitch.cheer1 = QPixmap(":/twitch/cheer1.png");
+    this->twitch.globalmod = QPixmap(":/twitch/globalmod.png");
+    this->twitch.moderator = QPixmap(":/twitch/moderator.png");
+    this->twitch.prime = QPixmap(":/twitch/prime.png");
+    this->twitch.staff = QPixmap(":/twitch/staff.png");
+    this->twitch.subscriber = QPixmap(":/twitch/subscriber.png");
+    this->twitch.turbo = QPixmap(":/twitch/turbo.png");
+    this->twitch.verified = QPixmap(":/twitch/verified.png");
+}
+
+}  // namespace chatterino

src/autogenerated/ResourcesAutogen.hpp

@@ -0,0 +1,57 @@
+#include <QPixmap>
+#include "common/Singleton.hpp"
+
+namespace chatterino {
+
+class Resources2 : public Singleton {
+public:
+    Resources2();
+
+    struct {
+        QPixmap fourtf;
+        QPixmap pajlada;
+    } avatars;
+    struct {
+        QPixmap ban;
+        QPixmap banRed;
+        QPixmap menuDark;
+        QPixmap menuLight;
+        QPixmap mod;
+        QPixmap modModeDisabled;
+        QPixmap modModeDisabled2;
+        QPixmap modModeEnabled;
+        QPixmap modModeEnabled2;
+        QPixmap timeout;
+        QPixmap unban;
+        QPixmap unmod;
+        QPixmap update;
+        QPixmap updateError;
+    } buttons;
+    QPixmap error;
+    QPixmap icon;
+    QPixmap pajaDank;
+    struct {
+        QPixmap aboutlogo;
+    } settings;
+    struct {
+        QPixmap down;
+        QPixmap left;
+        QPixmap move;
+        QPixmap right;
+        QPixmap up;
+    } split;
+    struct {
+        QPixmap admin;
+        QPixmap broadcaster;
+        QPixmap cheer1;
+        QPixmap globalmod;
+        QPixmap moderator;
+        QPixmap prime;
+        QPixmap staff;
+        QPixmap subscriber;
+        QPixmap turbo;
+        QPixmap verified;
+    } twitch;
+};
+
+}  // namespace chatterino

src/common/Aliases.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <QHash>
+#include <QString>
+#include <functional>
+
+#define QStringAlias(name)                                 \
+    namespace chatterino {                                 \
+    struct name {                                          \
+        QString string;                                    \
+        bool operator==(const name &other) const           \
+        {                                                  \
+            return this->string == other.string;           \
+        }                                                  \
+        bool operator!=(const name &other) const           \
+        {                                                  \
+            return this->string != other.string;           \
+        }                                                  \
+    };                                                     \
+    } /* namespace chatterino */                           \
+    namespace std {                                        \
+    template <>                                            \
+    struct hash<chatterino::name> {                        \
+        size_t operator()(const chatterino::name &s) const \
+        {                                                  \
+            return qHash(s.string);                        \
+        }                                                  \
+    };                                                     \
+    } /* namespace std */
+
+QStringAlias(UserName);
+QStringAlias(UserId);
+QStringAlias(Url);
+QStringAlias(Tooltip);

src/common/Channel.cpp

@@ -17,9 +17,9 @@
 
 namespace chatterino {
 
-Channel::Channel(const QString &_name, Type type)
-    : name(_name)
-    , completionModel(this->name)
+Channel::Channel(const QString &name, Type type)
+    : completionModel(name)
+    , name_(name)
     , type_(type)
 {
     QObject::connect(&this->clearCompletionModelTimer_, &QTimer::timeout, [this]() {
@@ -38,6 +38,11 @@ Channel::Type Channel::getType() const
     return this->type_;
 }
 
+const QString &Channel::getName() const
+{
+    return this->name_;
+}
+
 bool Channel::isTwitchChannel() const
 {
     return this->type_ >= Type::Twitch && this->type_ < Type::TwitchEnd;
@@ -45,7 +50,7 @@ bool Channel::isTwitchChannel() const
 
 bool Channel::isEmpty() const
 {
-    return this->name.isEmpty();
+    return this->name_.isEmpty();
 }
 
 LimitedQueueSnapshot<MessagePtr> Channel::getMessageSnapshot()
@@ -66,7 +71,7 @@ void Channel::addMessage(MessagePtr message)
 
     // FOURTF: change this when adding more providers
     if (this->isTwitchChannel()) {
-        app->logging->addMessage(this->name, message);
+        app->logging->addMessage(this->name_, message);
     }
 
     if (this->messages_.pushBack(message, deleted)) {

src/common/Channel.hpp

@@ -41,6 +41,7 @@ public:
     pajlada::Signals::NoArgSignal destroyed;
 
     Type getType() const;
+    const QString &getName() const;
     bool isTwitchChannel() const;
     virtual bool isEmpty() const;
     LimitedQueueSnapshot<MessagePtr> getMessageSnapshot();
@@ -52,7 +53,6 @@ public:
     void replaceMessage(MessagePtr message, MessagePtr replacement);
     virtual void addRecentChatter(const std::shared_ptr<Message> &message);
 
-    QString name;
     QStringList modList;
 
     virtual bool canSendMessage() const;
@@ -72,6 +72,7 @@ protected:
     virtual void onConnected();
 
 private:
+    const QString name_;
     LimitedQueue<MessagePtr> messages_;
     Type type_;
     QTimer clearCompletionModelTimer_;

src/common/Common.hpp

@@ -1,9 +1,13 @@
 #pragma once
 
+#include "common/Aliases.hpp"
+#include "common/Outcome.hpp"
+#include "common/ProviderId.hpp"
 #include "debug/Log.hpp"
 
 #include <QString>
 #include <QWidget>
+#include <boost/optional.hpp>
 #include <boost/preprocessor.hpp>
 
 #include <string>
@@ -27,14 +31,18 @@ const Qt::KeyboardModifiers showResizeHandlesModifiers = Qt::ControlModifier;
 
 static const char *ANONYMOUS_USERNAME_LABEL ATTR_UNUSED = " - anonymous - ";
 
-#define return_if(condition) \
-    if ((condition)) {       \
-        return;              \
+template <typename T>
+std::weak_ptr<T> weakOf(T *element)
+{
+    return element->shared_from_this();
 }
 
-#define return_unless(condition) \
-    if (!(condition)) {          \
-        return;                  \
-    }
+template <class... Ts>
+struct overloaded : Ts... {
+    using Ts::operator()...;
+};
+
+template <class... Ts>
+overloaded(Ts...)->overloaded<Ts...>;
 
 }  // namespace chatterino

src/common/CompletionModel.cpp

@@ -2,8 +2,10 @@
 
 #include "Application.hpp"
 #include "common/Common.hpp"
+#include "controllers/accounts/AccountController.hpp"
 #include "controllers/commands/CommandController.hpp"
 #include "debug/Log.hpp"
+#include "providers/twitch/TwitchServer.hpp"
 #include "singletons/Emotes.hpp"
 
 #include <QtAlgorithms>
@@ -107,41 +109,45 @@ void CompletionModel::refresh()
     auto app = getApp();
 
     // User-specific: Twitch Emotes
-    // TODO: Fix this so it properly updates with the proper api. oauth token needs proper scope
-    for (const auto &m : app->emotes->twitch.emotes) {
-        for (const auto &emoteName : m.second.emoteCodes) {
+    if (auto account = app->accounts->twitch.getCurrent()) {
+        for (const auto &emote : account->accessEmotes()->allEmoteNames) {
             // XXX: No way to discern between a twitch global emote and sub emote right now
-            this->addString(emoteName, TaggedString::Type::TwitchGlobalEmote);
+            this->addString(emote.string, TaggedString::Type::TwitchGlobalEmote);
         }
     }
 
-    // Global: BTTV Global Emotes
-    std::vector<QString> &bttvGlobalEmoteCodes = app->emotes->bttv.globalEmoteCodes;
-    for (const auto &m : bttvGlobalEmoteCodes) {
-        this->addString(m, TaggedString::Type::BTTVGlobalEmote);
-    }
+    //    // Global: BTTV Global Emotes
+    //    std::vector<QString> &bttvGlobalEmoteCodes = app->emotes->bttv.globalEmoteNames_;
+    //    for (const auto &m : bttvGlobalEmoteCodes) {
+    //        this->addString(m, TaggedString::Type::BTTVGlobalEmote);
+    //    }
 
-    // Global: FFZ Global Emotes
-    std::vector<QString> &ffzGlobalEmoteCodes = app->emotes->ffz.globalEmoteCodes;
-    for (const auto &m : ffzGlobalEmoteCodes) {
-        this->addString(m, TaggedString::Type::FFZGlobalEmote);
-    }
+    //    // Global: FFZ Global Emotes
+    //    std::vector<QString> &ffzGlobalEmoteCodes = app->emotes->ffz.globalEmoteCodes;
+    //    for (const auto &m : ffzGlobalEmoteCodes) {
+    //        this->addString(m, TaggedString::Type::FFZGlobalEmote);
+    //    }
 
-    // Channel-specific: BTTV Channel Emotes
-    std::vector<QString> &bttvChannelEmoteCodes =
-        app->emotes->bttv.channelEmoteCodes[this->channelName_];
-    for (const auto &m : bttvChannelEmoteCodes) {
-        this->addString(m, TaggedString::Type::BTTVChannelEmote);
-    }
+    // Channel emotes
+    if (auto channel = dynamic_cast<TwitchChannel *>(
+            getApp()->twitch2->getChannelOrEmptyByID(this->channelName_).get())) {
+        auto bttv = channel->accessBttvEmotes();
+        //        auto it = bttv->begin();
+        //        for (const auto &emote : *bttv) {
+        //        }
+        //            std::vector<QString> &bttvChannelEmoteCodes =
+        //                app->emotes->bttv.channelEmoteName_[this->channelName_];
+        //        for (const auto &m : bttvChannelEmoteCodes) {
+        //            this->addString(m, TaggedString::Type::BTTVChannelEmote);
+        //        }
 
         // Channel-specific: FFZ Channel Emotes
-    std::vector<QString> &ffzChannelEmoteCodes =
-        app->emotes->ffz.channelEmoteCodes[this->channelName_];
-    for (const auto &m : ffzChannelEmoteCodes) {
-        this->addString(m, TaggedString::Type::FFZChannelEmote);
+        for (const auto &emote : *channel->accessFfzEmotes()) {
+            this->addString(emote.second->name.string, TaggedString::Type::FFZChannelEmote);
+        }
     }
 
-    // Global: Emojis
+    // Emojis
     const auto &emojiShortCodes = app->emotes->emojis.shortCodes;
     for (const auto &m : emojiShortCodes) {
         this->addString(":" + m + ":", TaggedString::Type::Emoji);

src/common/CompletionModel.hpp

@@ -10,6 +10,8 @@
 
 namespace chatterino {
 
+class TwitchChannel;
+
 class CompletionModel : public QAbstractListModel
 {
     struct TaggedString {

src/common/Emotemap.cpp

@@ -5,42 +5,42 @@
 
 namespace chatterino {
 
-EmoteData::EmoteData(Image *image)
-    : image1x(image)
-{
-}
+// EmoteData::EmoteData(Image *image)
+//    : image1x(image)
+//{
+//}
 
-// Emotes must have a 1x image to be valid
-bool EmoteData::isValid() const
-{
-    return this->image1x != nullptr;
-}
+//// Emotes must have a 1x image to be valid
+// bool EmoteData::isValid() const
+//{
+//    return this->image1x != nullptr;
+//}
 
-Image *EmoteData::getImage(float scale) const
-{
-    int quality = getApp()->settings->preferredEmoteQuality;
+// Image *EmoteData::getImage(float scale) const
+//{
+//    int quality = getApp()->settings->preferredEmoteQuality;
 
-    if (quality == 0) {
-        scale *= getApp()->settings->emoteScale.getValue();
-        quality = [&] {
-            if (scale <= 1)
-                return 1;
-            if (scale <= 2)
-                return 2;
-            return 3;
-        }();
-    }
+//    if (quality == 0) {
+//        scale *= getApp()->settings->emoteScale.getValue();
+//        quality = [&] {
+//            if (scale <= 1)
+//                return 1;
+//            if (scale <= 2)
+//                return 2;
+//            return 3;
+//        }();
+//    }
 
-    Image *_image;
-    if (quality == 3 && this->image3x != nullptr) {
-        _image = this->image3x;
-    } else if (quality >= 2 && this->image2x != nullptr) {
-        _image = this->image2x;
-    } else {
-        _image = this->image1x;
-    }
+//    Image *_image;
+//    if (quality == 3 && this->image3x != nullptr) {
+//        _image = this->image3x;
+//    } else if (quality >= 2 && this->image2x != nullptr) {
+//        _image = this->image2x;
+//    } else {
+//        _image = this->image1x;
+//    }
 
-    return _image;
-}
+//    return _image;
+//}
 
 }  // namespace chatterino

src/common/Emotemap.hpp

@@ -5,23 +5,23 @@
 
 namespace chatterino {
 
-struct EmoteData {
-    EmoteData() = default;
+// struct EmoteData {
+//    EmoteData() = default;
 
-    EmoteData(Image *image);
+//    EmoteData(Image *image);
 
-    // Emotes must have a 1x image to be valid
-    bool isValid() const;
-    Image *getImage(float scale) const;
+//    // Emotes must have a 1x image to be valid
+//    bool isValid() const;
+//    Image *getImage(float scale) const;
 
-    // Link to the emote page i.e. https://www.frankerfacez.com/emoticon/144722-pajaCringe
-    QString pageLink;
+//    // Link to the emote page i.e. https://www.frankerfacez.com/emoticon/144722-pajaCringe
+//    QString pageLink;
 
-    Image *image1x = nullptr;
-    Image *image2x = nullptr;
-    Image *image3x = nullptr;
-};
+//    Image *image1x = nullptr;
+//    Image *image2x = nullptr;
+//    Image *image3x = nullptr;
+//};
 
-using EmoteMap = ConcurrentMap<QString, EmoteData>;
+// using EmoteMap = ConcurrentMap<QString, EmoteData>;
 
 }  // namespace chatterino

src/common/NetworkCommon.hpp

@@ -2,13 +2,15 @@
 
 #include <functional>
 
+#include "Common.hpp"
+
 class QNetworkReply;
 
 namespace chatterino {
 
 class NetworkResult;
 
-using NetworkSuccessCallback = std::function<bool(NetworkResult)>;
+using NetworkSuccessCallback = std::function<Outcome(NetworkResult)>;
 using NetworkErrorCallback = std::function<bool(int)>;
 using NetworkReplyCreatedCallback = std::function<void(QNetworkReply *)>;
 

src/common/NetworkRequest.cpp

@@ -129,7 +129,7 @@ void NetworkRequest::execute()
     }
 }
 
-bool NetworkRequest::tryLoadCachedFile()
+Outcome NetworkRequest::tryLoadCachedFile()
 {
     auto app = getApp();
 
@@ -137,24 +137,24 @@ bool NetworkRequest::tryLoadCachedFile()
 
     if (!cachedFile.exists()) {
         // File didn't exist
-        return false;
+        return Failure;
     }
 
     if (!cachedFile.open(QIODevice::ReadOnly)) {
         // File could not be opened
-        return false;
+        return Failure;
     }
 
     QByteArray bytes = cachedFile.readAll();
     NetworkResult result(bytes);
 
-    bool success = this->data->onSuccess_(result);
+    auto outcome = this->data->onSuccess_(result);
 
     cachedFile.close();
 
     // XXX: If success is false, we should invalidate the cache file somehow/somewhere
 
-    return success;
+    return outcome;
 }
 
 void NetworkRequest::doRequest()

src/common/NetworkRequest.hpp

@@ -33,7 +33,7 @@ public:
 
     explicit NetworkRequest(const std::string &url,
                             NetworkRequestType requestType = NetworkRequestType::Get);
-    NetworkRequest(QUrl url, NetworkRequestType requestType = NetworkRequestType::Get);
+    explicit NetworkRequest(QUrl url, NetworkRequestType requestType = NetworkRequestType::Get);
 
     ~NetworkRequest();
 
@@ -58,7 +58,7 @@ private:
     // Returns true if the file was successfully loaded from cache
     // Returns false if the cache file either didn't exist, or it contained "invalid" data
     // "invalid" is specified by the onSuccess callback
-    bool tryLoadCachedFile();
+    Outcome tryLoadCachedFile();
 
     void doRequest();
 

src/common/NetworkResult.cpp

@@ -38,7 +38,7 @@ rapidjson::Document NetworkResult::parseRapidJson() const
     return ret;
 }
 
-QByteArray NetworkResult::getData() const
+const QByteArray &NetworkResult::getData() const
 {
     return this->data_;
 }

src/common/NetworkResult.hpp

@@ -7,14 +7,15 @@ namespace chatterino {
 
 class NetworkResult
 {
-    QByteArray data_;
-
 public:
     NetworkResult(const QByteArray &data);
 
     QJsonObject parseJson() const;
     rapidjson::Document parseRapidJson() const;
-    QByteArray getData() const;
+    const QByteArray &getData() const;
+
+private:
+    QByteArray data_;
 };
 
 }  // namespace chatterino

src/common/NullablePtr.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <type_traits>
+
 namespace chatterino {
 
 template <typename T>
@@ -23,7 +25,7 @@ public:
         return element_;
     }
 
-    T &operator*() const
+    typename std::add_lvalue_reference<T>::type &operator*() const
     {
         assert(this->hasElement());
 
@@ -52,6 +54,17 @@ public:
         return this->hasElement();
     }
 
+    bool operator!() const
+    {
+        return !this->hasElement();
+    }
+
+    template <typename X = T, typename = std::enable_if_t<!std::is_const<X>::value>>
+    operator NullablePtr<const T>() const
+    {
+        return NullablePtr<const T>(this->element_);
+    }
+
 private:
     T *element_;
 };

src/common/Outcome.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+namespace chatterino {
+
+struct SuccessTag {
+};
+
+struct FailureTag {
+};
+
+const SuccessTag Success{};
+const FailureTag Failure{};
+
+class Outcome
+{
+public:
+    Outcome(SuccessTag)
+        : success_(true)
+    {
+    }
+
+    Outcome(FailureTag)
+        : success_(false)
+    {
+    }
+
+    explicit operator bool() const
+    {
+        return this->success_;
+    }
+
+    bool operator!() const
+    {
+        return !this->success_;
+    }
+
+    bool operator==(const Outcome &other) const
+    {
+        return this->success_ == other.success_;
+    }
+
+    bool operator!=(const Outcome &other) const
+    {
+        return !this->operator==(other);
+    }
+
+private:
+    bool success_;
+};
+
+}  // namespace chatterino

src/common/Singleton.hpp

@@ -4,14 +4,18 @@
 
 namespace chatterino {
 
-class Application;
+class Settings;
+class Paths;
 
 class Singleton : boost::noncopyable
 {
 public:
-    virtual void initialize(Application &app)
+    virtual ~Singleton() = default;
+
+    virtual void initialize(Settings &settings, Paths &paths)
     {
-        (void)(app);
+        (void)(settings);
+        (void)(paths);
     }
 
     virtual void save()

src/common/UniqueAccess.hpp

@@ -1,12 +1,13 @@
 #pragma once
 
+#include <boost/noncopyable.hpp>
 #include <mutex>
 #include <type_traits>
 
 namespace chatterino {
 
 template <typename T>
-class AccessGuard
+class AccessGuard : boost::noncopyable
 {
 public:
     AccessGuard(T &element, std::mutex &mutex)
@@ -21,31 +22,16 @@ public:
         this->mutex_.unlock();
     }
 
-    const T *operator->() const
+    T *operator->() const
     {
         return &this->element_;
     }
 
-    T *operator->()
-    {
-        return &this->element_;
-    }
-
-    const T &operator*() const
+    T &operator*() const
     {
         return this->element_;
     }
 
-    T &operator*()
-    {
-        return this->element_;
-    }
-
-    T clone() const
-    {
-        return T(this->element_);
-    }
-
 private:
     T &element_;
     std::mutex &mutex_;
@@ -55,7 +41,7 @@ template <typename T>
 class UniqueAccess
 {
 public:
-    template <typename X = decltype(T())>
+//    template <typename X = decltype(T())>
     UniqueAccess()
         : element_(T())
     {
@@ -83,14 +69,15 @@ public:
         return *this;
     }
 
-    AccessGuard<T> access()
+    AccessGuard<T> access() const
     {
         return AccessGuard<T>(this->element_, this->mutex_);
     }
 
-    const AccessGuard<T> access() const
+    template <typename X = T, typename = std::enable_if_t<!std::is_const_v<X>>>
+    AccessGuard<const X> accessConst() const
     {
-        return AccessGuard<T>(this->element_, this->mutex_);
+        return AccessGuard<const T>(this->element_, this->mutex_);
     }
 
 private:

src/controllers/accounts/AccountController.cpp

@@ -33,7 +33,7 @@ AccountController::AccountController()
     });
 }
 
-void AccountController::initialize(Application &app)
+void AccountController::initialize(Settings &settings, Paths &paths)
 {
     this->twitch.load();
 }

src/controllers/accounts/AccountController.hpp

@@ -11,16 +11,19 @@
 
 namespace chatterino {
 
+class Settings;
+class Paths;
+
 class AccountModel;
 
-class AccountController : public Singleton
+class AccountController final : public Singleton
 {
 public:
     AccountController();
 
     AccountModel *createModel(QObject *parent);
 
-    virtual void initialize(Application &app) override;
+    virtual void initialize(Settings &settings, Paths &paths) override;
 
     TwitchAccountManager twitch;
 

src/controllers/commands/CommandController.cpp

@@ -11,6 +11,7 @@
 #include "providers/twitch/TwitchServer.hpp"
 #include "singletons/Paths.hpp"
 #include "singletons/Settings.hpp"
+#include "util/CombinePath.hpp"
 #include "widgets/dialogs/LogsPopup.hpp"
 
 #include <QApplication>
@@ -44,15 +45,14 @@ CommandController::CommandController()
     this->items.itemRemoved.connect(addFirstMatchToMap);
 }
 
-void CommandController::initialize(Application &app)
+void CommandController::initialize(Settings &, Paths &paths)
 {
-    this->load();
+    this->load(paths);
 }
 
-void CommandController::load()
+void CommandController::load(Paths &paths)
 {
-    auto app = getApp();
-    this->filePath_ = app->paths->settingsDirectory + "/commands.txt";
+    this->filePath_ = combinePath(paths.settingsDirectory, "commands.txt");
 
     QFile textFile(this->filePath_);
     if (!textFile.open(QIODevice::ReadOnly)) {

src/controllers/commands/CommandController.hpp

@@ -10,11 +10,14 @@
 #include "controllers/commands/Command.hpp"
 
 namespace chatterino {
+
+class Settings;
+class Paths;
 class Channel;
 
 class CommandModel;
 
-class CommandController : public Singleton
+class CommandController final : public Singleton
 {
 public:
     CommandController();
@@ -22,7 +25,7 @@ public:
     QString execCommand(const QString &text, std::shared_ptr<Channel> channel, bool dryRun);
     QStringList getDefaultTwitchCommandList();
 
-    virtual void initialize(Application &app) override;
+    virtual void initialize(Settings &settings, Paths &paths) override;
     virtual void save() override;
 
     CommandModel *createModel(QObject *parent);
@@ -30,7 +33,7 @@ public:
     UnsortedSignalVector<Command> items;
 
 private:
-    void load();
+    void load(Paths &paths);
 
     QMap<QString, Command> commandsMap_;
 

src/controllers/highlights/HighlightController.cpp

@@ -12,7 +12,7 @@ HighlightController::HighlightController()
 {
 }
 
-void HighlightController::initialize(Application &app)
+void HighlightController::initialize(Settings &settings, Paths &paths)
 {
     assert(!this->initialized_);
     this->initialized_ = true;

src/controllers/highlights/HighlightController.hpp

@@ -10,16 +10,19 @@
 
 namespace chatterino {
 
+class Settings;
+class Paths;
+
 class UserHighlightModel;
 class HighlightModel;
 class HighlightBlacklistModel;
 
-class HighlightController : public Singleton
+class HighlightController final : public Singleton
 {
 public:
     HighlightController();
 
-    virtual void initialize(Application &app) override;
+    virtual void initialize(Settings &settings, Paths &paths) override;
 
     UnsortedSignalVector<HighlightPhrase> phrases;
     UnsortedSignalVector<HighlightBlacklistUser> blacklistedUsers;

src/controllers/ignores/IgnoreController.cpp

@@ -7,7 +7,7 @@
 
 namespace chatterino {
 
-void IgnoreController::initialize(Application &)
+void IgnoreController::initialize(Settings &, Paths &)
 {
     assert(!this->initialized_);
     this->initialized_ = true;