Initial external webview webapps on Linux.

Telegram/SourceFiles/settings/settings_experimental.cpp

@@ -21,6 +21,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/labels.h"
 #include "ui/vertical_list.h"
 #include "ui/gl/gl_detection.h"
+#include "ui/chat/attach/attach_bot_webview.h"
 #include "ui/chat/chat_style_radius.h"
 #include "ui/controls/compose_ai_button_factory.h"
 #include "base/options.h"
@@ -251,6 +252,7 @@ void SetupExperimental(
 	addToggle(Info::Profile::kOptionShowPeerIdBelowAbout);
 	addToggle(Info::Profile::kOptionShowChannelJoinedBelowAbout);
 	addToggle(Ui::kOptionUseSmallMsgBubbleRadius);
+	addToggle(Ui::BotWebView::kOptionLinuxExternalBotWebApps);
 	addToggle(Media::Player::kOptionDisableAutoplayNext);
 	addToggle(Webview::kOptionWebviewDebugEnabled);
 	addToggle(Webview::kOptionWebviewLegacyEdge);

Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.h

@@ -31,6 +31,8 @@ using LayerOptions = base::flags<LayerOption>;
 
 namespace Webview {
 struct Available;
+struct PopupArgs;
+struct PopupResult;
 } // namespace Webview
 
 namespace Ui::Text {
@@ -39,6 +41,8 @@ struct MarkedContext;
 
 namespace Ui::BotWebView {
 
+extern const char kOptionLinuxExternalBotWebApps[];
+
 struct DownloadsProgress;
 struct DownloadsEntry;
 enum class DownloadsAction;
@@ -171,6 +175,20 @@ private:
 	bool showWebview(Args &&args, const Webview::ThemeParams &params);
 
 	bool createWebview(const Webview::ThemeParams &params);
+	void installExternalShellDocument();
+	void sendExternalShellBootstrap();
+	void sendExternalShellMethod(
+		const QByteArray &method,
+		const QJsonObject &data);
+	void sendExternalShellEvent(
+		const QString &event,
+		const QByteArray &data);
+	void sendExternalShellButton(
+		const char *name,
+		const QJsonObject &args);
+	void sendExternalShellChrome();
+	void setExternalShellBlocked(bool blocked);
+	Webview::PopupResult showBlockingPopup(Webview::PopupArgs &&args);
 	void createWebviewBottom();
 	void showWebviewProgress();
 	void hideWebviewProgress();
@@ -238,14 +256,24 @@ private:
 	[[nodiscard]] QRect progressRect() const;
 	void setupProgressGeometry();
 	void layoutButtons();
+	void finishExternalBox(not_null<SeparatePanel*> panel);
 
 	Webview::StorageId _storageId;
 	const not_null<Delegate*> _delegate;
+	QString _externalUrl;
+	QString _externalTitle;
+	int _externalBlockCount = 0;
 	bool _closeNeedConfirmation = false;
 	bool _hasSettingsButton = false;
+	bool _externalShell = false;
+	bool _externalShellBootstrapped = false;
+	bool _externalBackVisible = false;
 	MenuButtons _menuButtons = {};
+	std::unique_ptr<RpWidget> _externalPanelParent;
 	std::unique_ptr<SeparatePanel> _widget;
 	std::unique_ptr<WebviewWithLifetime> _webview;
+	std::vector<std::unique_ptr<SeparatePanel>> _externalBoxes;
+	std::unique_ptr<RpWidget> _externalWebviewParent;
 	std::unique_ptr<RpWidget> _webviewBottom;
 	QPointer<FlatLabel> _webviewBottomLabel;
 	rpl::variable<QString> _bottomText;