content/common/layer_tree_settings_factory.cc

// Copyright 2016 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 "content/common/layer_tree_settings_factory.h"

#include "base/strings/string_number_conversions.h"
#include "cc/base/switches.h"

namespace content {

// static
void LayerTreeSettingsFactory::SetBrowserControlsSettings(
    cc::LayerTreeSettings& settings,
    const base::CommandLine& cmd) {
  if (cmd.HasSwitch(cc::switches::kBrowserControlsShowThreshold)) {
    std::string top_threshold_str =
        cmd.GetSwitchValueASCII(cc::switches::kBrowserControlsShowThreshold);
    double show_threshold;
    if (base::StringToDouble(top_threshold_str, &show_threshold) &&
        show_threshold >= 0.f && show_threshold <= 1.f)
      settings.top_controls_show_threshold = show_threshold;
  }

  if (cmd.HasSwitch(cc::switches::kBrowserControlsHideThreshold)) {
    std::string top_threshold_str =
        cmd.GetSwitchValueASCII(cc::switches::kBrowserControlsHideThreshold);
    double hide_threshold;
    if (base::StringToDouble(top_threshold_str, &hide_threshold) &&
        hide_threshold >= 0.f && hide_threshold <= 1.f)
      settings.top_controls_hide_threshold = hide_threshold;
  }
}

}  // namespace content