protocol: Add agl-shell-desktop protocol

Protocol intented for use by regular XDG application which want to
tell the compositor to activate another application. This mimics
the activate_app request from agl-shell, and assumes the application is
already started.

Bug-AGL: SPEC-3252

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: I1f7bd1d8d2f7d8f1eedf710aef1bf1046846f9be

1 files changed, 47 insertions, 0 deletions

diff --git a/protocol/agl-shell-desktop.xml b/protocol/agl-shell-desktop.xml
new file mode 100644
index 0000000..076b4f2
--- /dev/null
+++ b/protocol/agl-shell-desktop.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="agl_shell_desktop">
+  <copyright>
+    Copyright © 2020 Collabora, Ltd.
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice (including the next
+    paragraph) shall be included in all copies or substantial portions of the
+    Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+  </copyright>
+  <interface name="agl_shell_desktop" version="1">
+    <description summary="Private extension to allow applications activate other apps">
+      This extension can be used by regular application to instruct to compositor
+      to activate or switch to other running (regular) applications. The client
+      is responsbile for filtering their own app_id when receiving application id.
+
+      Note that other (regular) applications can bind to this interface and there is
+      no mechanism to place to restrict or limit that.
+    </description>
+
+    <request name="activate_app">
+      <description summary="make client current window">
+        Ask the compositor to make a toplevel to become the current/focused
+        window for window management purposes.
+
+        See xdg_toplevel.set_app_id from the xdg-shell protocol for a
+        description of app_id.
+      </description>
+      <arg name="app_id" type="string"/>
+      <arg name="output" type="object" interface="wl_output"/>
+    </request>
+  </interface>
+</protocol>