ash: Get output info from chromeos instead of XRandR.

ash/display/display_util_x11.cc

-// Copyright 2013 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 "ash/display/display_util_x11.h"
-
-#include <algorithm>
-#include <map>
-#include <X11/extensions/Xrandr.h>
-
-#include "ash/display/display_info.h"
-#include "base/logging.h"
-#include "chromeos/display/output_util.h"
-
-namespace ash {
-namespace internal {
-namespace {
-
-// A list of bogus sizes in mm that X detects that should be ignored.
-// See crbug.com/136533. The first element maintains the minimum
-// size required to be valid size.
-const unsigned long kInvalidDisplaySizeList[][2] = {
-  {40, 30},
-  {50, 40},
-  {160, 90},
-  {160, 100},
-};
-
-// Resolution list are sorted by the area in pixels and the larger
-// one comes first.
-struct ResolutionSorter {
-  bool operator()(const Resolution& a, const Resolution& b) {
-    return a.size.width() * a.size.height() > b.size.width() * b.size.height();
-  }
-};
-
-}  // namespace
-
-bool ShouldIgnoreSize(unsigned long mm_width, unsigned long mm_height) {
-  // Ignore if the reported display is smaller than minimum size.
-  if (mm_width <= kInvalidDisplaySizeList[0][0] ||
-      mm_height <= kInvalidDisplaySizeList[0][1]) {
-    LOG(WARNING) << "Smaller than minimum display size";
-    return true;
-  }
-  for (unsigned long i = 1 ; i < arraysize(kInvalidDisplaySizeList); ++i) {
-    const unsigned long* size = kInvalidDisplaySizeList[i];
-    if (mm_width == size[0] && mm_height == size[1]) {
-      LOG(WARNING) << "Black listed display size detected:"
-                   << size[0] << "x" << size[1];
-      return true;
-    }
-  }
-  return false;
-}
-
-std::vector<Resolution> GetResolutionList(
-    XRRScreenResources* screen_resources,
-    XRROutputInfo* output_info) {
-  typedef std::map<std::pair<int,int>, Resolution> ResolutionMap;
-
-  ResolutionMap resolution_map;
-
-  for (int i = 0; i < output_info->nmode; i++) {
-    RRMode mode = output_info->modes[i];
-    const XRRModeInfo* info = chromeos::FindXRRModeInfo(screen_resources, mode);
-    DCHECK(info);
-    // Just ignore bad entry on Release build.
-    if (!info)
-      continue;
-    ResolutionMap::key_type size = std::make_pair(info->width, info->height);
-    bool interlaced = (info->modeFlags & RR_Interlace) != 0;
-
-    ResolutionMap::iterator iter = resolution_map.find(size);
-
-    // Add new resolution if it's new size or override interlaced mode.
-    if (iter == resolution_map.end()) {
-      resolution_map.insert(ResolutionMap::value_type(
-          size,
-          Resolution(gfx::Size(info->width, info->height), interlaced)));
-    } else if (iter->second.interlaced && !interlaced) {
-      iter->second.interlaced = false;
-    }
-  }
-
-  std::vector<Resolution> resolution_list;
-  for (ResolutionMap::const_iterator iter = resolution_map.begin();
-       iter != resolution_map.end();
-       ++iter) {
-    resolution_list.push_back(iter->second);
-  }
-  std::sort(resolution_list.begin(), resolution_list.end(), ResolutionSorter());
-  return resolution_list;
-}
-
-}  // namespace internal
-}  // namespace ash