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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wayland/wayland_display.h"
#include <string.h>
#include <wayland-client.h>
#include "ui/wayland/wayland_buffer.h"
#include "ui/wayland/wayland_input_device.h"
#include "ui/wayland/wayland_screen.h"
#include "ui/wayland/wayland_window.h"
namespace ui {
// static
WaylandDisplay* WaylandDisplay::Connect(char* name) {
WaylandDisplay* display = new WaylandDisplay(name);
if (!display->display_) {
delete display;
return NULL;
}
wl_display_set_user_data(display->display_, display);
// Register the display initialization handler and iterate over the initial
// connection events sent by the server. This is required since the display
// will send registration events needed to initialize everything else. This
// will create the compositor, etc.., which are required in creating
// a drawing context.
wl_display_add_global_listener(display->display_,
WaylandDisplay::DisplayHandleGlobal,
display);
wl_display_iterate(display->display_, WL_DISPLAY_READABLE);
return display;
}
// static
WaylandDisplay* WaylandDisplay::GetDisplay(wl_display* display) {
return static_cast<WaylandDisplay*>(wl_display_get_user_data(display));
}
WaylandDisplay::WaylandDisplay(char* name) : display_(NULL),
compositor_(NULL),
shell_(NULL),
shm_(NULL) {
display_ = wl_display_connect(name);
}
WaylandDisplay::~WaylandDisplay() {
if (display_)
wl_display_destroy(display_);
if (compositor_)
wl_compositor_destroy(compositor_);
if (shell_)
wl_shell_destroy(shell_);
if (shm_)
wl_shm_destroy(shm_);
for (std::list<WaylandInputDevice*>::iterator i = input_list_.begin();
i != input_list_.end(); ++i) {
delete *i;
}
for (std::list<WaylandScreen*>::iterator i = screen_list_.begin();
i != screen_list_.end(); ++i) {
delete *i;
}
}
wl_surface* WaylandDisplay::CreateSurface() {
return wl_compositor_create_surface(compositor_);
}
void WaylandDisplay::SetCursor(WaylandBuffer* buffer,
int32_t x, int32_t y) {
// Currently there is no way of knowing which input device should have the
// buffer attached, so we just attach to every input device.
for (std::list<WaylandInputDevice*>::iterator i = input_list_.begin();
i != input_list_.end(); ++i) {
(*i)->Attach(buffer->buffer(), x, y);
}
}
std::list<WaylandScreen*> WaylandDisplay::GetScreenList() const {
return screen_list_;
}
// static
void WaylandDisplay::DisplayHandleGlobal(wl_display* display,
uint32_t id,
const char* interface,
uint32_t version,
void* data) {
WaylandDisplay* disp = static_cast<WaylandDisplay*>(data);
static const wl_shell_listener kShellListener = {
WaylandDisplay::ShellHandleConfigure,
};
if (strcmp(interface, "wl_compositor") == 0) {
disp->compositor_ = static_cast<wl_compositor*>(
wl_display_bind(display, id, &wl_compositor_interface));
} else if (strcmp(interface, "wl_output") == 0) {
WaylandScreen* screen = new WaylandScreen(disp, id);
disp->screen_list_.push_back(screen);
} else if (strcmp(interface, "wl_input_device") == 0) {
WaylandInputDevice *input_device = new WaylandInputDevice(display, id);
disp->input_list_.push_back(input_device);
} else if (strcmp(interface, "wl_shell") == 0) {
disp->shell_ = static_cast<wl_shell*>(
wl_display_bind(display, id, &wl_shell_interface));
wl_shell_add_listener(disp->shell_, &kShellListener, disp);
} else if (strcmp(interface, "wl_shm") == 0) {
disp->shm_ = static_cast<wl_shm*>(
wl_display_bind(display, id, &wl_shm_interface));
}
}
// static
void WaylandDisplay::ShellHandleConfigure(void* data,
wl_shell* shell,
uint32_t time,
uint32_t edges,
wl_surface* surface,
int32_t width,
int32_t height) {
WaylandWindow* window = static_cast<WaylandWindow*>(
wl_surface_get_user_data(surface));
window->Configure(time, edges, 0, 0, width, height);
}
} // namespace ui
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