chrome/browser/chromeos/login/ui/proxy_settings_dialog.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 "chrome/browser/chromeos/login/ui/proxy_settings_dialog.h"
   6
   7 #include "base/strings/stringprintf.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/chrome_notification_types.h"
  10 #include "chrome/browser/chromeos/login/helper.h"
  11 #include "chrome/common/url_constants.h"
  12 #include "chrome/grit/generated_resources.h"
  13 #include "chromeos/network/network_state.h"
  14 #include "chromeos/network/network_type_pattern.h"
  15 #include "content/public/browser/browser_context.h"
  16 #include "content/public/browser/browser_thread.h"
  17 #include "content/public/browser/notification_service.h"
  18 #include "net/base/escape.h"
  19 #include "third_party/cros_system_api/dbus/service_constants.h"
  20 #include "ui/base/l10n/l10n_util.h"
  21 #include "ui/gfx/geometry/rect.h"
  22 #include "ui/gfx/geometry/size.h"
  23
  24 namespace {
  25
  26 // Hints for size of proxy settings dialog.
  27 const int kProxySettingsDialogReasonableWidth = 626;
  28 const int kProxySettingsDialogReasonableHeight = 525;
  29 const float kProxySettingsDialogReasonableWidthRatio = 0.4f;
  30 const float kProxySettingsDialogReasonableHeightRatio = 0.4f;
  31
  32 const char kProxySettingsURLParam[] = "?network=%s";
  33
  34 int CalculateSize(int screen_size, int min_comfortable, float desired_ratio) {
  35   int desired_size = static_cast<int>(desired_ratio * screen_size);
  36   desired_size = std::max(min_comfortable, desired_size);
  37   return std::min(screen_size, desired_size);
  38 }
  39
  40 GURL GetURLForProxySettings(const std::string& service_path) {
  41   std::string url(chrome::kChromeUIProxySettingsURL);
  42   url += base::StringPrintf(
  43       kProxySettingsURLParam,
  44       net::EscapeUrlEncodedData(service_path, true).c_str());
  45   return GURL(url);
  46 }
  47
  48 }  // namespace
  49
  50 namespace chromeos {
  51
  52 // static
  53 int ProxySettingsDialog::instance_count_ = 0;
  54
  55 ProxySettingsDialog::ProxySettingsDialog(
  56     content::BrowserContext* browser_context,
  57     const NetworkState& network,
  58     LoginWebDialog::Delegate* delegate,
  59     gfx::NativeWindow window)
  60     : LoginWebDialog(browser_context,
  61                      delegate,
  62                      window,
  63                      base::string16(),
  64                      GetURLForProxySettings(network.path())) {
  65   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  66   ++instance_count_;
  67
  68   gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
  69   SetDialogSize(CalculateSize(screen_bounds.width(),
  70                               kProxySettingsDialogReasonableWidth,
  71                               kProxySettingsDialogReasonableWidthRatio),
  72                 CalculateSize(screen_bounds.height(),
  73                               kProxySettingsDialogReasonableHeight,
  74                               kProxySettingsDialogReasonableHeightRatio));
  75
  76   std::string network_name = network.name();
  77   if (network_name.empty() && network.Matches(NetworkTypePattern::Ethernet())) {
  78     network_name =
  79         l10n_util::GetStringUTF8(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
  80   }
  81
  82   SetDialogTitle(l10n_util::GetStringFUTF16(IDS_PROXY_PAGE_TITLE_FORMAT,
  83                                             base::ASCIIToUTF16(network_name)));
  84 }
  85
  86 ProxySettingsDialog::~ProxySettingsDialog() {
  87   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  88   --instance_count_;
  89 }
  90
  91 void ProxySettingsDialog::OnDialogClosed(const std::string& json_retval) {
  92   LoginWebDialog::OnDialogClosed(json_retval);
  93   content::NotificationService::current()->Notify(
  94     chrome::NOTIFICATION_LOGIN_PROXY_CHANGED,
  95     content::NotificationService::AllSources(),
  96     content::NotificationService::NoDetails());
  97 }
  98
  99 bool ProxySettingsDialog::IsShown() {
 100   return instance_count_ > 0;
 101 }
 102
 103 }  // namespace chromeos