[wam][cef] Add the CEF recipe

This change makes it possible to build applications that depend on
libcef, and also adds a few changes picked from our previous
implementation that enables the applications to communicate with the
agl-compositor.

Bug-AGL: SPEC-3872

Signed-off-by: Roger Zanoni <rzanoni@igalia.com>
Change-Id: I215138b8f5d63da84ada2f8c006f4025f0b3fafb

1 files changed, 347 insertions, 0 deletions

diff --git a/recipes-wam/cef/files/chromium/0009-Start-using-agl-shell-version-4.patch b/recipes-wam/cef/files/chromium/0009-Start-using-agl-shell-version-4.patch
new file mode 100644
index 000000000..1cf91430d
--- /dev/null
+++ b/recipes-wam/cef/files/chromium/0009-Start-using-agl-shell-version-4.patch
@@ -0,0 +1,347 @@
+From 87e8811a2fc95b57f958e2bdfe5f3e434ecbff1e Mon Sep 17 00:00:00 2001
+From: Roger Zanoni <rzanoni@igalia.com>
+Date: Sun, 2 Jul 2023 11:11:07 +0200
+Subject: [PATCH 9/9] Start using agl-shell version 4
+
+---
+ ui/aura/agl/window_tree_host_agl.h            |   1 +
+ ui/aura/agl/window_tree_host_platform_agl.cc  |   4 +
+ ui/aura/agl/window_tree_host_platform_agl.h   |   1 +
+ .../extensions/agl/host/agl_shell_wrapper.cc  |   9 +
+ .../extensions/agl/host/agl_shell_wrapper.h   |   1 +
+ .../agl/host/wayland_extensions_agl_impl.cc   |   2 +-
+ .../extensions/agl/host/wayland_window_agl.cc |  10 +
+ .../extensions/agl/host/wayland_window_agl.h  |   1 +
+ .../extensions/agl/protocol/agl-shell.xml     | 185 +++++++++++++++++-
+ ui/platform_window/agl/platform_window_agl.h  |   1 +
+ 10 files changed, 213 insertions(+), 2 deletions(-)
+
+diff --git a/ui/aura/agl/window_tree_host_agl.h b/ui/aura/agl/window_tree_host_agl.h
+index b9aa451c8332e..c5213f75e623e 100644
+--- a/ui/aura/agl/window_tree_host_agl.h
++++ b/ui/aura/agl/window_tree_host_agl.h
+@@ -36,6 +36,7 @@ class AURA_EXPORT WindowTreeHostAgl {
+   virtual void SetAglBackground() {}
+   virtual void SetAglPanel(uint32_t edge) {}
+   virtual bool IsSurfaceConfigured() const { return false; }
++  virtual void SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {}
+ };
+ 
+ }  // namespace aura
+diff --git a/ui/aura/agl/window_tree_host_platform_agl.cc b/ui/aura/agl/window_tree_host_platform_agl.cc
+index 67190e1da6973..b9bae3f3b9bdc 100644
+--- a/ui/aura/agl/window_tree_host_platform_agl.cc
++++ b/ui/aura/agl/window_tree_host_platform_agl.cc
+@@ -51,4 +51,8 @@ bool WindowTreeHostPlatformAgl::IsSurfaceConfigured() const {
+   return window_tree_host_platform_->platform_window()->IsSurfaceConfigured();
+ }
+ 
++void WindowTreeHostPlatformAgl::SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
++  window_tree_host_platform_->platform_window()->SetupActivationArea(x, y, width, height);
++}
++
+ }  // namespace aura
+diff --git a/ui/aura/agl/window_tree_host_platform_agl.h b/ui/aura/agl/window_tree_host_platform_agl.h
+index e5a29fa1bfca3..30e160736e327 100644
+--- a/ui/aura/agl/window_tree_host_platform_agl.h
++++ b/ui/aura/agl/window_tree_host_platform_agl.h
+@@ -42,6 +42,7 @@ class AURA_EXPORT WindowTreeHostPlatformAgl : public aura::WindowTreeHost {
+   void SetAglBackground() override;
+   void SetAglPanel(uint32_t edge) override;
+   bool IsSurfaceConfigured() const override;
++  void SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) override;
+ 
+  private:
+   aura::WindowTreeHostPlatform* window_tree_host_platform_;
+diff --git a/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.cc b/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.cc
+index c74fa5d9cd221..0d5d79c4738df 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.cc
++++ b/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.cc
+@@ -110,4 +110,13 @@ bool AglShellWrapper::WaitUntilBoundOk() {
+   return bound_ok_;
+ }
+ 
++void AglShellWrapper::SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
++#ifdef AGL_SHELL_SET_ACTIVATE_REGION_SINCE_VERSION
++  wl_output* output =
++    connection_->wayland_output_manager()->GetPrimaryOutput()->get_output();
++  agl_shell_set_activate_region(agl_shell_.get(), output, x, y,
++                                width, height);
++#endif
++}
++
+ }  // namespace ui
+diff --git a/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.h b/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.h
+index 2ab765883057e..1c2074e1b4306 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.h
++++ b/ui/ozone/platform/wayland/extensions/agl/host/agl_shell_wrapper.h
+@@ -39,6 +39,7 @@ class AglShellWrapper {
+   void SetAglPanel(WaylandWindow* window, uint32_t edge);
+   void SetAglBackground(WaylandWindow* window);
+   void SetAglReady();
++  void SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height);
+   bool WaitUntilBoundOk();
+ 
+   static void AglShellBoundOk(void* data, struct agl_shell*);
+diff --git a/ui/ozone/platform/wayland/extensions/agl/host/wayland_extensions_agl_impl.cc b/ui/ozone/platform/wayland/extensions/agl/host/wayland_extensions_agl_impl.cc
+index 075b3010ea8a1..8f9d938cdd1f6 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/host/wayland_extensions_agl_impl.cc
++++ b/ui/ozone/platform/wayland/extensions/agl/host/wayland_extensions_agl_impl.cc
+@@ -32,7 +32,7 @@ namespace ui {
+ namespace {
+ 
+ constexpr uint32_t kMinAglShellExtensionVersion = 1;
+-constexpr uint32_t kMaxAglShellExtensionVersion = 3;
++constexpr uint32_t kMaxAglShellExtensionVersion = 4;
+ 
+ }  // namespace
+ 
+diff --git a/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.cc b/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.cc
+index 97b21ae537658..f92406d455de1 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.cc
++++ b/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.cc
+@@ -83,4 +83,14 @@ void WaylandWindowAgl::SetAglPanel(uint32_t edge) {
+   connection()->ScheduleFlush();
+ }
+ 
++void WaylandWindowAgl::SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
++  if (!agl_extensions_->GetAglShell()) {
++    LOG(ERROR) << "Agl shell wrapper is not created";
++    return;
++  }
++
++  agl_extensions_->GetAglShell()->SetupActivationArea(x, y, width, height);
++  connection()->ScheduleFlush();
++}
++
+ }  // namespace ui
+diff --git a/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.h b/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.h
+index b2a922604c001..d21d2d9387215 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.h
++++ b/ui/ozone/platform/wayland/extensions/agl/host/wayland_window_agl.h
+@@ -39,6 +39,7 @@ class WaylandWindowAgl : public WaylandToplevelWindow {
+   void SetAglReady() override;
+   void SetAglBackground() override;
+   void SetAglPanel(uint32_t edge) override;
++  void SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) override;
+ 
+  private:
+   WaylandExtensionsAgl* agl_extensions_;
+diff --git a/ui/ozone/platform/wayland/extensions/agl/protocol/agl-shell.xml b/ui/ozone/platform/wayland/extensions/agl/protocol/agl-shell.xml
+index ad5553d61f189..e010a80808c69 100644
+--- a/ui/ozone/platform/wayland/extensions/agl/protocol/agl-shell.xml
++++ b/ui/ozone/platform/wayland/extensions/agl/protocol/agl-shell.xml
+@@ -22,7 +22,7 @@
+     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+     DEALINGS IN THE SOFTWARE.
+   </copyright>
+-  <interface name="agl_shell" version="3">
++  <interface name="agl_shell" version="8">
+     <description summary="user interface for Automotive Grade Linux platform">
+       Starting with version 2 of the protocol, the client is required to wait
+       for the 'bound_ok' or 'bound_fail' events in order to proceed further.
+@@ -174,6 +174,189 @@
+       <arg name="state" type="uint" enum="app_state"/>
+     </event>
+ 
++    <request name="set_activate_region" since="4">
++      <description summary="sets a specific region to activate">
++      A hint for the compositor to use a custom area, rather than
++      inferring the activation area. If any panels are used
++      the compositor computes the activation area by subtracting the
++      panels geometry area. If no panels are used then the entire output
++      is being used. This request changes that as to hint the compositor
++      to use the supplied rectangle and ignore any potential panels
++      that might been set-up previously.
+ 
++      In order for this request to take effect it will need to happen
++      before the 'ready' request in order for the compositor to make use of it.
++      Note that any 'set_panel' request be will not be honored, if this request
++      has been called.
++
++      The x and y coordinates use the top-left corner as the origin. The
++      rectangle area shouldn't exceed the output area, while an area smaller
++      than the output, would basically result in showing up the background
++      surface.
++      </description>
++      <arg name="output" type="object" interface="wl_output"/>
++      <arg name="x" type="int" summary="x position of rectangle"/>
++      <arg name="y" type="int" summary="y position of rectangle"/>
++      <arg name="width" type="int" summary="width of rectangle"/>
++      <arg name="height" type="int" summary="height of rectangle"/>
++    </request>
++
++    <request name="deactivate_app" since="5">
++      <description summary="de-activate/hide window identified by app_id">
++        Ask the compositor to hide the toplevel window for window
++        management purposes. Depending on the window role, this request
++        will either display the previously active window (or the background
++        in case there's no previously active surface) or temporarily (or
++        until a 'activate_app' is called upon) hide the surface.
++
++        All the surfaces are identifiable by using the app_id, and no actions
++        are taken in case the app_id is not/was not present.
++
++        See xdg_toplevel.set_app_id from the xdg-shell protocol for a
++        description of app_id.
++      </description>
++      <arg name="app_id" type="string"/>
++    </request>
++
++    <request name="set_app_float" since="6">
++      <description summary="set the window identified by app_id as float">
++        Makes the application identified by app_id as floating. If the
++        application's window is already mapped, in a maximized, normal state,
++        it would transition to the float state.
++
++        For applications that want to modify their own state, this request
++        must be done before the initial surface commit in order to take effect.
++
++        If the application is already in floating state, this request wouldn't
++        do anything.
++
++        There's no persistence of this request, once the application terminated
++        you'll to issue this request again for that particular app_id.
++
++        The x, and y values would be initial position of the window where the
++        window surface will be placed.
++
++        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="x" type="int" summary="x position"/>
++      <arg name="y" type="int" summary="y position"/>
++    </request>
++
++    <request name="set_app_normal" since="6">
++      <description summary="set the window identified by app_id as normally started">
++      Returns the application identified by app_id as it was in the normal state.
++      This is useful to come back from other states to the maximized state, the
++      normal state applications are started.
++      </description>
++      <arg name="app_id" type="string"/>
++    </request>
++
++    <request name="set_app_fullscreen" since="7">
++      <description summary="">
++        Makes the application identified by app_id as fullscreen. If the
++        application's window is already mapped, in a maximized, normal state,
++        it would transition to the fullscreen state.
++
++        For applications that want to modify their own state, this request
++        must be done before the initial surface commit in order to take effect.
++
++        If the application is already in fullscreen state, this request wouldn't
++        do anything.
++
++        There's no persistence of this request, once the application terminated
++        you'll to issue this request again for that particular app_id.
++
++        See xdg_toplevel.set_app_id from the xdg-shell protocol for a
++        description of app_id.
++      </description>
++      <arg name="app_id" type="string"/>
++    </request>
++
++    <request name="set_app_output" since="8">
++      <description summary="Assign an application to a particular output">
++        This would allow the compositor to place an application on a particular
++        output, if that output is indeed available. This can happen before
++        application is started which would make the application start on that
++        particular output. If the application is already started it would
++        move the application to that output.
++
++        There's no persistence of this request, once the application terminated
++        you'll need to issue this request again for that particular app_id.
++
++        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>
++
++    <event name="app_on_output" since="8">
++      <description summary="Event sent as a reponse to set_app_output">
++        Clients can use this event to be notified when an application
++        wants to be displayed on a certain output. This event is sent in
++        response to the set_app_output request.
++
++        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_name" type="string"/>
++    </event>
++  </interface>
++
++  <interface name="agl_shell_ext" version="1">
++    <description summary="extended user interface for Automotive Grade Linux platform">
++      This interface allows another client bind to the agl_shell interface,
++      while there's another shell client already present.
++
++      The client should first bind to this interface and then inform the
++      compositor with the 'doas_shell_client' request and it wants to bind to
++      the agl_shell interface. The client is still expected, if using a new
++      version of the agl_shell interface, to wait for the 'bound_ok' and
++      'bound_fail' events before issueing any other requests/events.
++
++      Note that this interface has its limitations, and the compositor would
++      still refuse the act for 'set_panel' or 'set_background' requests
++      of the agl_shell interface if there's already a client that used them.
++
++      Any other requests or events should be delievered and handled as it would
++      a client bound to the agl_shell interface.
++    </description>
++
++    <enum name="doas_shell_client_status">
++      <entry name="success" value="0"/>
++      <entry name="failed" value="1"/>
++    </enum>
++
++    <request name="destroy" type="destructor">
++      <description summary="destroys the factory object">
++        Call the destructor once you're ready with agl_shell_ext interface.
++        This would reset the state and would make any requests made
++        on the agl_shell interface be terminated. The client would need 
++        to bind again the agl_shell_ext and issue a 'doas_shell_client'
++        request.
++      </description>
++    </request>
++
++    <request name="doas_shell_client">
++      <description summary="Informs the compositor it wants to bind to the
++      agl_shell interface">
++        Prior to binding to agl_shell interface, this request would inform
++        the compositor that it wants to gain access the agl_shell interface.
++        The client is expected to wait for 'doas_shell_client_done' event and 
++        check for a successful status before going further with binding to
++        the agl_shell interface.
++      </description>
++    </request>
++
++    <event name="doas_done">
++      <description summary="event sent as a reply to doas_shell_client">
++        The client should check the status event to verify that the
++        compositor was able to handle the request.
++      </description>
++      <arg name="status" type="uint" enum="doas_shell_client_status"/>
++    </event>
+   </interface>
+ </protocol>
+diff --git a/ui/platform_window/agl/platform_window_agl.h b/ui/platform_window/agl/platform_window_agl.h
+index cab1f42272772..b1a6150fff950 100644
+--- a/ui/platform_window/agl/platform_window_agl.h
++++ b/ui/platform_window/agl/platform_window_agl.h
+@@ -30,6 +30,7 @@ class PlatformWindowAgl {
+   virtual void SetAglBackground() {}
+   virtual void SetAglPanel(uint32_t edge) {}
+   virtual bool IsSurfaceConfigured() { return false; }
++  virtual void SetupActivationArea(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {}
+ };
+ 
+ }  // namespace ui
+-- 
+2.39.2
+