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Diffstat (limited to 'src/core/desktop_media_controller.cpp')
| -rw-r--r-- | src/core/desktop_media_controller.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/core/desktop_media_controller.cpp b/src/core/desktop_media_controller.cpp new file mode 100644 index 000000000..50ac0a40c --- /dev/null +++ b/src/core/desktop_media_controller.cpp @@ -0,0 +1,244 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#include "desktop_media_controller.h" +#include "desktop_media_controller_p.h" +#include "type_conversion.h" + +#include "base/containers/contains.h" +#include "base/functional/callback.h" +#include "chrome/browser/media/webrtc/desktop_capturer_wrapper.h" +#include "chrome/browser/media/webrtc/native_desktop_media_list.h" +#include "content/public/browser/desktop_media_id.h" + +#if QT_CONFIG(webengine_webrtc) +#include "content/public/browser/desktop_capture.h" +#endif // QT_CONFIG(webengine_webrtc) + +namespace QtWebEngineCore { +namespace { +DesktopMediaList::Type toMediaListType(DesktopMediaType type) +{ + switch (type) { + case DesktopMediaType::Screen: + return DesktopMediaList::Type::kScreen; + case DesktopMediaType::Window: + return DesktopMediaList::Type::kWindow; + default: + return DesktopMediaList::Type::kNone; + } +} + +std::unique_ptr<DesktopMediaList> createMediaList(DesktopMediaType type) +{ +#if QT_CONFIG(webengine_webrtc) + DesktopMediaList::Type listType = toMediaListType(type); + webrtc::DesktopCaptureOptions options = content::desktop_capture::CreateDesktopCaptureOptions(); + + switch (listType) { + case DesktopMediaList::Type::kScreen: { + std::unique_ptr<webrtc::DesktopCapturer> screenCapturer = + webrtc::DesktopCapturer::CreateScreenCapturer(options); + std::unique_ptr<DesktopCapturerWrapper> capturer = + std::make_unique<DesktopCapturerWrapper>(std::move(screenCapturer)); + return std::make_unique<NativeDesktopMediaList>(listType, std::move(capturer)); + } + case DesktopMediaList::Type::kWindow: { + std::unique_ptr<webrtc::DesktopCapturer> windowCapturer = + webrtc::DesktopCapturer::CreateWindowCapturer(options); + std::unique_ptr<DesktopCapturerWrapper> capturer = + std::make_unique<DesktopCapturerWrapper>(std::move(windowCapturer)); + return std::make_unique<NativeDesktopMediaList>( + listType, std::move(capturer), + !content::desktop_capture::ShouldEnumerateCurrentProcessWindows()); + } + default: { + Q_UNREACHABLE(); + } + } +#else + return nullptr; +#endif // QT_CONFIG(webengine_webrtc) +} +} // namespace + +class DesktopMediaListQtPrivate : public DesktopMediaListObserver +{ +public: + DesktopMediaListQtPrivate(DesktopMediaType type, DesktopMediaListQt *qq); + + void init(); + void startUpdating(); + const DesktopMediaList::Source& getSource(int index) const; + + void OnSourceAdded(int index) override; + void OnSourceRemoved(int index) override; + void OnSourceMoved(int old_index, int new_index) override; + void OnSourceNameChanged(int index) override; + void OnSourceThumbnailChanged(int index) override { } + void OnSourcePreviewChanged(size_t index) override { } + void OnDelegatedSourceListSelection() override { } + void OnDelegatedSourceListDismissed() override { } + + bool isInitialized; + std::unique_ptr<DesktopMediaList> mediaList; + DesktopMediaListQt *q_ptr; + Q_DECLARE_PUBLIC(DesktopMediaListQt) +}; + +DesktopMediaListQtPrivate::DesktopMediaListQtPrivate(DesktopMediaType type, DesktopMediaListQt *qq) + : isInitialized(false) + , mediaList(createMediaList(type)) + , q_ptr(qq) +{ +} + +const DesktopMediaList::Source& DesktopMediaListQtPrivate::getSource(int index) const +{ + return mediaList->GetSource(index); +} + +void DesktopMediaListQtPrivate::init() +{ + // Work around the asynchronous initialization of the source list. + // DesktopMediaList::Update populates the list and notifies the controller when it completes. + // This makes direct 'selectScreen/Window' calls possible from the frontend. + // Note: StartUpdating should be called after Update is completed as it can overwrite the + // internal cb. + base::OnceCallback<void()> onComplete = base::BindOnce( + [](DesktopMediaListQtPrivate *observer) { + observer->isInitialized = true; + Q_EMIT observer->q_ptr->initialized(); + observer->startUpdating(); + }, + this); + mediaList->Update(std::move(onComplete)); +} + +void DesktopMediaListQtPrivate::startUpdating() +{ + mediaList->StartUpdating(this); +} + +void DesktopMediaListQtPrivate::OnSourceAdded(int index) +{ + Q_Q(DesktopMediaListQt); + Q_EMIT q->sourceAdded(index); +} + +void DesktopMediaListQtPrivate::OnSourceRemoved(int index) +{ + Q_Q(DesktopMediaListQt); + Q_EMIT q->sourceRemoved(index); +} + +void DesktopMediaListQtPrivate::OnSourceMoved(int old_index, int new_index) +{ + Q_Q(DesktopMediaListQt); + Q_EMIT q->sourceMoved(old_index, new_index); +} + +void DesktopMediaListQtPrivate::OnSourceNameChanged(int index) +{ + Q_Q(DesktopMediaListQt); + Q_EMIT q->sourceNameChanged(index); +} + +DesktopMediaListQt::DesktopMediaListQt(DesktopMediaType type) + : d(new DesktopMediaListQtPrivate(type, this)) +{ +} + +DesktopMediaListQt::~DesktopMediaListQt() { } + +QString DesktopMediaListQt::getSourceName(int index) const +{ + const auto &source = d->getSource(index); + return toQt(source.name); +} + +int DesktopMediaListQt::getSourceCount() const +{ + return d->mediaList->GetSourceCount(); +} + +bool DesktopMediaListQt::isInitialized() const +{ + return d->isInitialized; +} + +DesktopMediaControllerPrivate::DesktopMediaControllerPrivate( + base::OnceCallback<void(content::DesktopMediaID)> doneCallback) + : doneCallback(std::move(doneCallback)) + , screens(new DesktopMediaListQt(DesktopMediaType::Screen)) + , windows(new DesktopMediaListQt(DesktopMediaType::Window)) +{ +} + +void DesktopMediaControllerPrivate::selectScreen(int index) +{ + const auto &source = screens->d->getSource(index); + std::move(doneCallback).Run(source.id); +} + +void DesktopMediaControllerPrivate::selectWindow(int index) +{ + const auto &source = windows->d->getSource(index); + std::move(doneCallback).Run(source.id); +} + +void DesktopMediaControllerPrivate::cancel() +{ + std::move(doneCallback).Run({}); +} + +DesktopMediaController::DesktopMediaController(DesktopMediaControllerPrivate *dd) + : d(dd) +{ + // Make sure both lists are populated before sending the request. + DesktopMediaListQt *screens = DesktopMediaController::screens(); + DesktopMediaListQt *windows = DesktopMediaController::windows(); + QObject::connect(screens, &DesktopMediaListQt::initialized, [windows, this]() { + if (windows->isInitialized()) + Q_EMIT mediaListsInitialized(); + }); + + QObject::connect(windows, &DesktopMediaListQt::initialized, [screens, this]() { + if (screens->isInitialized()) + Q_EMIT mediaListsInitialized(); + }); + + screens->d->init(); + windows->d->init(); +} + +DesktopMediaController::~DesktopMediaController() +{ +} + +void DesktopMediaController::selectScreen(int index) +{ + d->selectScreen(index); +} + +void DesktopMediaController::selectWindow(int index) +{ + d->selectWindow(index); +} + +void DesktopMediaController::cancel() +{ + d->cancel(); +} + +DesktopMediaListQt *DesktopMediaController::screens() const +{ + return d->screens.data(); +} + +DesktopMediaListQt *DesktopMediaController::windows() const +{ + return d->windows.data(); +} + +} // namespace QtWebEngineCore |