support systemd socket

[justforlxz]

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[deepin-bot]

TAG Bot

New tag: 0.2.1
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #154

[deepin-bot]

TAG Bot

New tag: 0.2.2
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #158

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This pull-request has been approved by: justforlxz, wineee

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[deepin-ci-robot]

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This patch adds a new feature to the Treeland compositor: systemd socket activation. It allows systemd sockets to be activated on-demand by the compositor, rather than requiring them to be passed during the initialization phase. This is useful for integrating with other systemd services that may not be available during the compositor's startup.

The patch includes the following changes:

1. Add a new class Compositor1Adaptor that inherits from QDBusServer. This class is responsible for handling the activation of systemd sockets for the compositor.

2. Modify the TreeLand class to include the Compositor1Adaptor as a protected superclass. This allows the TreeLand class to access the Compositor1Adaptor's methods and properties.

3. Add a new private slot Activate to the TreeLand class. This slot is responsible for activating the systemd socket.

4. Implement the Activate slot by creating a new WSocket instance, creating the systemd socket, and adding it to the compositor.

5. Register the Compositor1Adaptor with the system bus and make it accessible at the /org/deepin/Compositor1 path.

6. Add unit tests to ensure that the new functionality works as expected.

7. Update the documentation and comments to describe the new feature and its usage.

This patch is work in progress and may not be ready for merging yet. Please let me know if you have any questions or concerns.