Export panel minimizes to a top bar, like a Call.

Telegram/SourceFiles/mainwidget.cpp

@@ -69,7 +69,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/qthelp_regex.h"
 #include "base/qthelp_url.h"
 #include "base/flat_set.h"
-#include "window/player_wrap_widget.h"
+#include "window/window_top_bar_wrap.h"
 #include "window/notifications_manager.h"
 #include "window/window_slide_animation.h"
 #include "window/window_controller.h"
@@ -79,6 +79,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/update_checker.h"
 #include "calls/calls_instance.h"
 #include "calls/calls_top_bar.h"
+#include "export/view/export_view_top_bar.h"
+#include "export/view/export_view_panel_controller.h"
 #include "auth_session.h"
 #include "storage/storage_facade.h"
 #include "storage/storage_shared_media.h"
@@ -269,6 +271,12 @@ MainWidget::MainWidget(
 		}
 	});
 	subscribe(Auth().calls().currentCallChanged(), [this](Calls::Call *call) { setCurrentCall(call); });
+
+	Auth().data().currentExportView(
+	) | rpl::start_with_next([=](Export::View::PanelController *view) {
+		setCurrentExportView(view);
+	}, lifetime());
+
 	subscribe(_controller->dialogsListFocused(), [this](bool) {
 		updateDialogsWidthAnimated();
 	});
@@ -1578,7 +1586,7 @@ void MainWidget::createPlayer() {
 		return;
 	}
 	if (!_player) {
-		_player.create(this);
+		_player.create(this, object_ptr<Media::Player::Widget>(this));
 		rpl::merge(
 			_player->heightValue() | rpl::map([] { return true; }),
 			_player->shownValue()
@@ -1645,6 +1653,7 @@ void MainWidget::setCurrentCall(Calls::Call *call) {
 
 void MainWidget::createCallTopBar() {
 	Expects(_currentCall != nullptr);
+
 	_callTopBar.create(this, object_ptr<Calls::TopBar>(this, _currentCall));
 	_callTopBar->heightValue(
 	) | rpl::start_with_next([this](int value) {
@@ -1679,6 +1688,74 @@ void MainWidget::callTopBarHeightUpdated(int callTopBarHeight) {
 	}
 }
 
+void MainWidget::setCurrentExportView(Export::View::PanelController *view) {
+	_currentExportView = view;
+	if (_currentExportView) {
+		_currentExportView->progressState(
+		) | rpl::start_with_next([=](Export::View::Content &&data) {
+			if (data.rows.empty()) {
+				destroyExportTopBar();
+			} else if (!_exportTopBar) {
+				createExportTopBar(std::move(data));
+			} else {
+				_exportTopBar->entity()->updateData(std::move(data));
+			}
+		}, _currentExportView->lifetime());
+	} else {
+		destroyExportTopBar();
+	}
+}
+
+void MainWidget::createExportTopBar(Export::View::Content &&data) {
+	_exportTopBar.create(
+		this,
+		object_ptr<Export::View::TopBar>(this, std::move(data)));
+	rpl::merge(
+		_exportTopBar->heightValue() | rpl::map([] { return true; }),
+		_exportTopBar->shownValue()
+	) | rpl::start_with_next([=] {
+		exportTopBarHeightUpdated();
+	}, _exportTopBar->lifetime());
+	_exportTopBar->entity()->clicks(
+	) | rpl::start_with_next([=] {
+		if (_currentExportView) {
+			_currentExportView->activatePanel();
+		}
+	}, _exportTopBar->lifetime());
+	orderWidgets();
+	if (_a_show.animating()) {
+		_exportTopBar->show(anim::type::instant);
+		_exportTopBar->setVisible(false);
+	} else {
+		_exportTopBar->hide(anim::type::instant);
+		_exportTopBar->show(anim::type::normal);
+		_exportTopBarHeight = _contentScrollAddToY = _exportTopBar->contentHeight();
+		updateControlsGeometry();
+	}
+}
+
+void MainWidget::destroyExportTopBar() {
+	if (_exportTopBar) {
+		_exportTopBar->hide(anim::type::normal);
+	}
+}
+
+void MainWidget::exportTopBarHeightUpdated() {
+	if (!_exportTopBar) {
+		// Player could be already "destroyDelayed", but still handle events.
+		return;
+	}
+	const auto exportTopBarHeight = _exportTopBar->contentHeight();
+	if (exportTopBarHeight != _exportTopBarHeight) {
+		_contentScrollAddToY += exportTopBarHeight - _exportTopBarHeight;
+		_exportTopBarHeight = exportTopBarHeight;
+		updateControlsGeometry();
+	}
+	if (!_exportTopBarHeight && _exportTopBar->isHidden()) {
+		_exportTopBar.destroyDelayed();
+	}
+}
+
 void MainWidget::documentLoadProgress(FileLoader *loader) {
 	if (auto documentId = loader ? loader->objId() : 0) {
 		documentLoadProgress(Auth().data().document(documentId));
@@ -2560,12 +2637,15 @@ void MainWidget::showBackFromStack(
 
 void MainWidget::orderWidgets() {
 	_dialogs->raise();
-	if (_callTopBar) {
-		_callTopBar->raise();
-	}
 	if (_player) {
 		_player->raise();
 	}
+	if (_exportTopBar) {
+		_exportTopBar->raise();
+	}
+	if (_callTopBar) {
+		_callTopBar->raise();
+	}
 	if (_playerVolume) {
 		_playerVolume->raise();
 	}
@@ -2767,7 +2847,7 @@ void MainWidget::paintEvent(QPaintEvent *e) {
 }
 
 int MainWidget::getMainSectionTop() const {
-	return _callTopBarHeight + _playerHeight;
+	return _callTopBarHeight + _exportTopBarHeight + _playerHeight;
 }
 
 int MainWidget::getThirdSectionTop() const {
@@ -2916,9 +2996,13 @@ void MainWidget::updateControlsGeometry() {
 			_callTopBar->resizeToWidth(dialogsWidth);
 			_callTopBar->moveToLeft(0, 0);
 		}
+		if (_exportTopBar) {
+			_exportTopBar->resizeToWidth(dialogsWidth);
+			_exportTopBar->moveToLeft(0, _callTopBarHeight);
+		}
 		if (_player) {
 			_player->resizeToWidth(dialogsWidth);
-			_player->moveToLeft(0, _callTopBarHeight);
+			_player->moveToLeft(0, _callTopBarHeight + _exportTopBarHeight);
 		}
 		auto mainSectionGeometry = QRect(
 			0,
@@ -2954,9 +3038,15 @@ void MainWidget::updateControlsGeometry() {
 			_callTopBar->resizeToWidth(mainSectionWidth);
 			_callTopBar->moveToLeft(dialogsWidth, 0);
 		}
+		if (_exportTopBar) {
+			_exportTopBar->resizeToWidth(mainSectionWidth);
+			_exportTopBar->moveToLeft(dialogsWidth, _callTopBarHeight);
+		}
 		if (_player) {
 			_player->resizeToWidth(mainSectionWidth);
-			_player->moveToLeft(dialogsWidth, _callTopBarHeight);
+			_player->moveToLeft(
+				dialogsWidth,
+				_callTopBarHeight + _exportTopBarHeight);
 		}
 		_history->setGeometryToLeft(dialogsWidth, mainSectionTop, mainSectionWidth, height() - mainSectionTop);
 		if (_hider) {