src/ozone/wayland/screen.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Copyright 2013 Intel Corporation. All rights reserved.
   3 // Use of this source code is governed by a BSD-style license that can be
   4 // found in the LICENSE file.
   5
   6 #include "ozone/wayland/screen.h"
   7
   8 #include <wayland-client.h>
   9
  10 #include "ozone/impl/ozone_display.h"
  11 #include "ozone/wayland/display.h"
  12
  13 namespace ozonewayland {
  14
  15 WaylandScreen::WaylandScreen(WaylandDisplay* display, uint32_t id)
  16     : output_(NULL) {
  17   static const wl_output_listener kOutputListener = {
  18     WaylandScreen::OutputHandleGeometry,
  19     WaylandScreen::OutputHandleMode,
  20   };
  21
  22   output_ = static_cast<wl_output*>(
  23       wl_registry_bind(display->registry(), id, &wl_output_interface, 1));
  24   wl_output_add_listener(output_, &kOutputListener, this);
  25 }
  26
  27 WaylandScreen::~WaylandScreen() {
  28   if (output_)
  29     wl_output_destroy(output_);
  30 }
  31
  32 // static
  33 void WaylandScreen::OutputHandleGeometry(void *data,
  34                                          wl_output *output,
  35                                          int32_t x,
  36                                          int32_t y,
  37                                          int32_t physical_width,
  38                                          int32_t physical_height,
  39                                          int32_t subpixel,
  40                                          const char* make,
  41                                          const char* model,
  42                                          int32_t output_transform) {
  43   WaylandScreen* screen = static_cast<WaylandScreen*>(data);
  44   gfx::Point point = gfx::Point(x, y);
  45   screen->rect_.set_origin(point);
  46 }
  47
  48 // static
  49 void WaylandScreen::OutputHandleMode(void* data,
  50                                      wl_output* wl_output,
  51                                      uint32_t flags,
  52                                      int32_t width,
  53                                      int32_t height,
  54                                      int32_t refresh) {
  55   WaylandScreen* screen = static_cast<WaylandScreen*>(data);
  56   if (flags & WL_OUTPUT_MODE_CURRENT) {
  57       screen->rect_.set_width(width);
  58       screen->rect_.set_height(height);
  59       screen->refresh_ = refresh;
  60       OzoneDisplay::GetInstance()->OnOutputSizeChanged(screen, width, height);
  61   }
  62 }
  63
  64 }  // namespace ozonewayland