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2024-02-23main-grpc: Fix iterator going invalid at destruction timeMarius Vlad1-6/+4
Apparently, erase() would make the iterator invalid so we need grab the next one to have the work correctly. Bug-AGL: SPEC-5077 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I290fa1231eb6b37ab63c5f5c0bd8fe90d4363a77
2024-02-22grpc-proxy/shell: Add sticky parameter when setting up split windowMarius Vlad4-5/+10
This allow to further customize how to handle the split window. There's no implementation in the compositor for allow this functionality to take place, but doing so can be at a later point in time. Tagging the split window as sticky should allow activation of other windows while keeping the split window always displayed. Bug-AGL: SPEC-4839 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Iae4d18d2a857497c11d0e77bf43f654e2b8ed501
2024-02-22grpc-proxy/shell: Add width for split windowMarius Vlad4-5/+6
It might be useful in the future to let clients choose how much of the window to split so allow passing that. Note that there's no actual implementation but if there's a need in the future it can be easily added so it's better to add this now. Bug-AGL: SPEC-4839 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I82f36e86f56b0a65cbacac8368b63f68df69a350
2024-02-22grpc-proxy: Extend AglShellSetSplit from gRPC proxyMarius Vlad4-5/+25
This adds an implementation for it and includes the output name, previously being missed. Bug-AGL: SPEC-4839 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I95181adebe1ff6cddf81796444774277fec28a9a
2024-02-22layout/shell: Add basic support for split windowMarius Vlad1-1/+1
This introduces a new set_split request to allow changing the tile orientation of the window. See the protocol XML for more implementation details. Of importance difference from the previous implementation is that this patch makes use of the xdg-shell protocol, such that orientation is being handled over the configure event to the client. The protocol specifies a width to allow the client to control how much of the output be assign the split window and also a sticky window functionality. Bug-AGL: SPEC-4839 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ia8b7d04a7514f55d647c3ea76b13bab51a3586aa
2024-01-02grpc-proxy: Add a prefix tag for debugging messagesMarius Vlad1-1/+1
Bug-AGL: SPEC-4977 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ib26d0b9f9d47e7d2e2d42b47a9702ba31d03f3b9
2024-01-02grpc-proxy: Re-work bound_ok/bound_fail events handlingMarius Vlad3-244/+115
This bigger patch changes the way gRPC proxy client connects to the server, more specifically how it binds to the same agl_shell interface as the shell client. I debated if this should be split into more pieces but I think it makes more sense to have contained into a single patch as it doesn't make sense to have some bits off and some bits on, as both the server and the client side need to be changed at the same time. This biggest change with this patch is to avoid a potential race condition between the gRPC proxy client and the shell-client, but also to simplify the way the gRPC client connects to the server as there aren't sufficient guards in the server to the provent various corner cases to take place. Rather than attempting to fix that, simplifying the entire bit and allow only a single agl-shell client and a sigle gRPC proxy client connected at a single time and remove any other potential clients trying to connect at all, later on. Context and usage: Both the gRPC proxy and shell-client bind to the same agl_shell interface, meaning that both use the shell-client (homescreen, flutter-ics-homescreen, flutter-auto, wam) and the gRPC proxy can issue agl_shell requests, with some minor differences -- setting background and panels which do not make sense for gRPC proxy client. The compositor can signal back to clients when a bind was OK or not with the bound_ok/bound_fail event. Previously to adding the bound_ok/bound_fail events, any other client trying to use agl_shell interface, more than once, would get a protocol violation. With the bound_ok/bound_fail events clients would instead receive this event and could theoretically act upon it. The race that this patch tries to overcome is that the gRPC client will periodically attempt to verify if there's a shell-client already connected to server by binding to agl_shell interface and waiting for bound_fail event. In case it got bound_ok, it would disconnect and attempt at latter point in time, until it got the bound_failed event, and thus signalling that there's shell client already connected, allowing to proceed further. This worked fine most of the time, depending on how fast the shell client also bind to agl_shell. For a brief period of time, it might be that shell client also gets a bound_fail, requiring it to retry at a later point in time. The disconnected/reconnect of the gRPC proxy would then complicate matters as the client resources will get overwritten. So rather than trying to try that fix that, a better approach is to simplify the way this works entirely. The change in this patch is that the gRPC proxy doesn't connect/disconnect periodically but rather it waits for the compositor to signal when it is ready to bind to agl_shell interface. That happens with the help of the doas event status, from the agl_shell_ext interface. If this event status is alright (OK) then it means the gRPC can then bind to agl_shell interface. If it gets a failed status it would just wait and then issue another doas request and continue as such forever until it got an alright status. The distinct is that in this case the gRPC proxy would not disconnect and then reconnect retrying the same thing. This change to simplify some of the assumption in server, and client side implementation would just race with the shell client when binding to the agl_shell interface. Bug-AGL: SPEC-4977 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ib74f789553d3b130ee8e61d0068e617dc2209a58
2023-11-03grpc-proxy: Use smaller waiting timeMarius Vlad1-1/+1
This would speed the time checking if agl-shell was bounded or not. Shouldn't make that much of a difference but we do not need to wait 250 ms just for testing that. Bug-AGL: SPEC-4912 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I8751c1d69898a82a415ba9b756bdfe9657ef0546
2023-11-03grpc-proxy: Start the gRPC server and waiting thread much soonerMarius Vlad3-16/+66
This change moves a bit the start-up sequence of the gRPC server and when it connects to the compositor. Changing the start-up sequence avoids waiting for the channel to change its state from disconnected to connected, and only wait for the wayland connection to take place. Otherwise, we would wait first for the wayland connection to take place, then wait for the gRPC server to start up and finally wait for the channel to be in connected state, all which would incur a massive waiting time. Moving it a bit early requires to at least verify that we have the proxy side (the wayland connection) is already set-up at that time. Bug-AGL: SPEC-4912 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ied88a917df8ff98fefa601103ce04e13c8bb21ac
2023-11-03grpc-proxy: Fix missing args LOG()Marius Vlad2-2/+2
These are not seen until enabling the DEBUG directive. Bug-AGL: SPEC-4912 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ic18c701909975978e82ef811ade416d802e567b5
2023-10-27grpc-proxy/main-grpc: Don't fall trough assuming we have a wl_displayMarius Vlad1-1/+4
Maybe the third time is a charm to avoid fall through and assume on the exit path we do have a wl_display. Bug-AGL: SPEC-4935 Reported-by: Lisandro Pérez Meyer <lpmeyer@ics.com> Tested-by: Lisandro Pérez Meyer <lpmeyer@ics.com> Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I4adef5bf72d6b1a32a218bf1cfa6c8ed4450ba48
2023-10-27grpc-proxy: Don't attempt to connect if there's no compositor runningMarius Vlad1-0/+7
Commit d8e72099ecbcad, 'grpc-proxy: Terminate thread when we're exiting', addressed a rather bigger issue to handle correctly the shutdown/restart sequence. A consequence of that is the initial issue opened in SPEC-4935 with a trace showing a protocol issue, due to fact we're supplying an invalid wl_display without being connected to the compositor. While commit d8e72099ecbcad, 'grpc-proxy: Terminate thread when we're exiting' does fix the issue and would make the underlying bug disappear let's be more pedantic and don't attempt assume we have a compositor connection when in fact we do not. Bug-AGL: SPEC-4935 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Id10dabe5178f52fa6a0cf6d70c70799c98f4b6d5
2023-10-24grpc-proxy: Terminate thread when we're exitingMarius Vlad1-0/+1
We need to be joining the thread to be able to exit properly, so let us do that. Bug-AGL: SPEC-4935 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ib4e54fcb23267b632f61c10d6ec2835c55ec2f23
2023-08-29grpc-proxy: Add dynamic scale of floating windowsMarius Vlad6-12/+50
This adds basic scaling for floating windows, sending new dimensions to the clients to resize itself. Bug-AGL: SPEC-4862 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ic693153cd704b278dcddd2514afc8dafecf8829b
2023-08-29grpc-proxy: Add dynamic floating window movementMarius Vlad6-3/+40
This adds basic movement for floating type of windows. The window needs to be a floating type for this request to work out. For the agl-shell protocol, this adds a set_app_float() request while for gRPC it adds a SetAppPosition() request. Bug-AGL: SPEC-4863 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I5ecc4257c3e84d15a8cabb183757753be37867f5
2023-04-27grpc-proxy: Added set_app_output requestMarius Vlad6-8/+75
This is identical to the remote role, but I feel this conveys more information than remote role, as remote denotes that the output is displayed on another device, which it isn't always the case (the system has multiple outputs all connected directly). This introduces two new additions to the agl-shell protocol, a request to use a different output to display/show the application and an event to inform the shell client to use as a map between the application id and its output. The event is necessary to let the shell client know which output to activate the application on. This requests implements a wrapper for gRPC that maps 1-to-1 to the agl-shell request. There's no gRPC subscription similar to the event though. Bug-AGL: SPEC-4673 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I070e9fdbafd5616f3a98415193bf846aeaee9a4a
2023-03-03grpc-proxy: Add set_app_fullscreen functionalityMarius Vlad6-2/+36
This implements set_app_fullscreen which clients can set-up before being mapped. The worthwhile change here was the fact that transitioning between fullscreen, normal, and float would cause invalid tracking of the active window when switching between these states. This would make floating operation display the incorrect active window, so in order to reconcile that, we only update the previous surface if it is different that the current active one. Otherwise this fairly similar to set_app_float. Bug-AGL: SPEC-4673 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ie912c86ff7ac38d034cf4d97b2adbc5ef47ce9d3
2023-03-01protocol: Add set_app_normal requestMarius Vlad5-0/+34
This request allows transitioning back from other roles like float/split/fullscreen to regular maximized, normal state. Bug-AGL: SPEC-4673 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Id7f04ffee193677621bd32860998457498acc388
2023-03-01protocol, grpc-proxy: Add support for set_app_floatMarius Vlad5-6/+13
Add support for setting a window as float/popup. This allows either the application itself be set-up as float, or from other gRPC clients. Bug-AGL: SPEC-4673 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ic7ee8203cd9c4dfcc51b7fc9709f35be504ae9d0
2023-03-01protocol/grpc-proxy: Add deactivate_app requestMarius Vlad2-3/+6
This request will hide the currently active window, and activate either the background or the previously active window. This request mimics the agl-shell-desktop request, actually using the same code path. It only handles regular windows and float/pop-up. Once we add other roles like fullscreen/split we can improve on this. Bug-AGL: SPEC-4673 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I593cda5d008dfc32fe5e3b079fad9450dc1a490d
2022-12-13grpc-proxy: Init gRPCsandbox/mvlad/grpc-async-cbMarius Vlad9-0/+1133
This brings in support for accessing agl-shell protocol indirectly by using a gRPC interface which bridges the communication between a particular client (the client issuing gRPC requests) and the AGL compositor which does that by re-using the same agl-shell protocol. In order to achieve that, and further more, to avoid having ifdefs code in the compositor and deal with threading, we instead resorted to using a helper client. On one side this helper implements the gRPC server API, and on the other, a wayland native client that implements the agl_shell interface. It uses the agl_shell_ext interface added previously to communicate with the compositor that it requires access to agl_shell interface as well. The helper expects that agl_shell interface was already bounded to another client before starting it so it waits until that happens and then it implements the protocol specification, for each interface. Launching the helper client automatically can be done by adding the following entry to the ini file: [shell-client-ext] command=/path/to/agl-shell-grpc-server The gRPC server implementation only handles the agl_shell interface until to this point, specifically, the activate_app request, and the events that were adedd with version 3 of the agl-shell protocol. Also the implementation uses the Reactor pattern, with Callback service that greatly simplifies the async version and avoids putting locks to to handle multiple clients. This should allow multiple clients being connected to the gRPC server and receive events / send requests. Bug-AGL: SPEC-4503 Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: Ie870da3caa138394d8dd30f9d22a5552d585d63a