ui/ozone/common/display_util.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/common/display_util.h"
   6
   7 #include "base/command_line.h"
   8 #include "ui/display/types/display_mode.h"
   9 #include "ui/display/types/display_snapshot.h"
  10 #include "ui/ozone/public/ozone_switches.h"
  11
  12 namespace ui {
  13
  14 namespace {
  15
  16 const int64_t kDummyDisplayId = 1;
  17
  18 }  // namespace
  19
  20 FindDisplayById::FindDisplayById(int64_t display_id) : display_id_(display_id) {
  21 }
  22
  23 bool FindDisplayById::operator()(const DisplaySnapshot_Params& display) const {
  24   return display.display_id == display_id_;
  25 }
  26
  27 DisplayMode_Params GetDisplayModeParams(const DisplayMode& mode) {
  28   DisplayMode_Params params;
  29   params.size = mode.size();
  30   params.is_interlaced = mode.is_interlaced();
  31   params.refresh_rate = mode.refresh_rate();
  32
  33   return params;
  34 }
  35
  36 DisplaySnapshot_Params GetDisplaySnapshotParams(
  37     const DisplaySnapshot& display) {
  38   DisplaySnapshot_Params params;
  39   params.display_id = display.display_id();
  40   params.origin = display.origin();
  41   params.physical_size = display.physical_size();
  42   params.type = display.type();
  43   params.is_aspect_preserving_scaling = display.is_aspect_preserving_scaling();
  44   params.has_overscan = display.has_overscan();
  45   params.display_name = display.display_name();
  46   for (size_t i = 0; i < display.modes().size(); ++i)
  47     params.modes.push_back(GetDisplayModeParams(*display.modes()[i]));
  48
  49   params.has_current_mode = display.current_mode() != NULL;
  50   if (params.has_current_mode)
  51     params.current_mode = GetDisplayModeParams(*display.current_mode());
  52
  53   params.has_native_mode = display.native_mode() != NULL;
  54   if (params.has_native_mode)
  55     params.native_mode = GetDisplayModeParams(*display.native_mode());
  56
  57   params.string_representation = display.ToString();
  58
  59   return params;
  60 }
  61
  62 DisplaySnapshot_Params CreateSnapshotFromCommandLine() {
  63   DisplaySnapshot_Params display_param;
  64
  65   CommandLine* cmd = CommandLine::ForCurrentProcess();
  66   std::string spec =
  67       cmd->GetSwitchValueASCII(switches::kOzoneInitialDisplayBounds);
  68   std::string physical_spec =
  69       cmd->GetSwitchValueASCII(switches::kOzoneInitialDisplayPhysicalSizeMm);
  70
  71   if (spec.empty())
  72     return display_param;
  73
  74   int width = 0;
  75   int height = 0;
  76   if (sscanf(spec.c_str(), "%dx%d", &width, &height) < 2)
  77     return display_param;
  78
  79   if (width == 0 || height == 0)
  80     return display_param;
  81
  82   int physical_width = 0;
  83   int physical_height = 0;
  84   sscanf(physical_spec.c_str(), "%dx%d", &physical_width, &physical_height);
  85
  86   DisplayMode_Params mode_param;
  87   mode_param.size = gfx::Size(width, height);
  88   mode_param.refresh_rate = 60;
  89
  90   display_param.display_id = kDummyDisplayId;
  91   display_param.modes.push_back(mode_param);
  92   display_param.type = DISPLAY_CONNECTION_TYPE_INTERNAL;
  93   display_param.physical_size = gfx::Size(physical_width, physical_height);
  94   display_param.has_current_mode = true;
  95   display_param.current_mode = mode_param;
  96   display_param.has_native_mode = true;
  97   display_param.native_mode = mode_param;
  98
  99   return display_param;
 100 }
 101
 102 }  // namespace ui