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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/wayland/host/xdg_surface.h"
#include <xdg-shell-client-protocol.h>
#include "base/logging.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
#include "ui/ozone/platform/wayland/host/wayland_window.h"
namespace ui {
XdgSurface::XdgSurface(WaylandWindow* wayland_window,
WaylandConnection* connection)
: wayland_window_(wayland_window), connection_(connection) {}
XdgSurface::~XdgSurface() {
is_configured_ = false;
connection_->window_manager()->NotifyWindowConfigured(wayland_window_);
}
bool XdgSurface::Initialize() {
CHECK(connection_->shell()) << "No xdg-shell protocol available.";
xdg_surface_.reset(xdg_wm_base_get_xdg_surface(
connection_->shell(), wayland_window_->root_surface()->surface()));
if (!xdg_surface_) {
LOG(ERROR) << "Failed to create xdg_surface";
return false;
}
static constexpr xdg_surface_listener kXdgSurfaceListener = {
.configure = &OnConfigure,
};
xdg_surface_add_listener(xdg_surface_.get(), &kXdgSurfaceListener, this);
connection_->Flush();
return true;
}
void XdgSurface::AckConfigure(uint32_t serial) {
// We must not ack any serial more than once, so check for that here.
DCHECK_LE(last_acked_serial_, serial);
if (serial == last_acked_serial_) {
return;
}
last_acked_serial_ = serial;
DCHECK(xdg_surface_);
xdg_surface_ack_configure(xdg_surface_.get(), serial);
is_configured_ = true;
connection_->window_manager()->NotifyWindowConfigured(wayland_window_);
}
bool XdgSurface::IsConfigured() {
return is_configured_;
}
void XdgSurface::SetWindowGeometry(const gfx::Rect& bounds) {
DCHECK(xdg_surface_);
CHECK(!bounds.IsEmpty()) << "The xdg-shell protocol specification forbids "
"empty bounds (zero width or height). bounds="
<< bounds.ToString();
xdg_surface_set_window_geometry(xdg_surface_.get(), bounds.x(), bounds.y(),
bounds.width(), bounds.height());
}
// static
void XdgSurface::OnConfigure(void* data,
struct xdg_surface* surface,
uint32_t serial) {
auto* self = static_cast<XdgSurface*>(data);
DCHECK(self);
// Calls to HandleSurfaceConfigure() might end up hiding the enclosing
// toplevel window, and deleting this object.
auto weak_window = self->wayland_window_->AsWeakPtr();
weak_window->HandleSurfaceConfigure(serial);
if (!weak_window) {
return;
}
weak_window->OnSurfaceConfigureEvent();
}
} // namespace ui
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