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      1 // Copyright (c) 2012 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/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 "chromeos/network/network_state.h"
     13 #include "chromeos/network/shill_property_util.h"
     14 #include "content/public/browser/browser_thread.h"
     15 #include "content/public/browser/notification_service.h"
     16 #include "grit/generated_resources.h"
     17 #include "net/base/escape.h"
     18 #include "third_party/cros_system_api/dbus/service_constants.h"
     19 #include "ui/base/l10n/l10n_util.h"
     20 #include "ui/gfx/rect.h"
     21 #include "ui/gfx/size.h"
     22 
     23 namespace {
     24 
     25 // Hints for size of proxy settings dialog.
     26 const int kProxySettingsDialogReasonableWidth = 626;
     27 const int kProxySettingsDialogReasonableHeight = 525;
     28 const float kProxySettingsDialogReasonableWidthRatio = 0.4f;
     29 const float kProxySettingsDialogReasonableHeightRatio = 0.4f;
     30 
     31 const char* kProxySettingsURLParam = "?network=%s";
     32 
     33 int CalculateSize(int screen_size, int min_comfortable, float desired_ratio) {
     34   int desired_size = static_cast<int>(desired_ratio * screen_size);
     35   desired_size = std::max(min_comfortable, desired_size);
     36   return std::min(screen_size, desired_size);
     37 }
     38 
     39 GURL GetURLForProxySettings(const std::string& service_path) {
     40   std::string url(chrome::kChromeUIProxySettingsURL);
     41   url += base::StringPrintf(
     42       kProxySettingsURLParam,
     43       net::EscapeUrlEncodedData(service_path, true).c_str());
     44   return GURL(url);
     45 }
     46 
     47 }  // namespace
     48 
     49 namespace chromeos {
     50 
     51 // static
     52 int ProxySettingsDialog::instance_count_ = 0;
     53 
     54 ProxySettingsDialog::ProxySettingsDialog(const NetworkState& network,
     55                                          LoginWebDialog::Delegate* delegate,
     56                                          gfx::NativeWindow window)
     57     : LoginWebDialog(delegate,
     58                      window,
     59                      base::string16(),
     60                      GetURLForProxySettings(network.path()),
     61                      LoginWebDialog::STYLE_BUBBLE) {
     62   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
     63   ++instance_count_;
     64 
     65   gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
     66   SetDialogSize(CalculateSize(screen_bounds.width(),
     67                               kProxySettingsDialogReasonableWidth,
     68                               kProxySettingsDialogReasonableWidthRatio),
     69                 CalculateSize(screen_bounds.height(),
     70                               kProxySettingsDialogReasonableHeight,
     71                               kProxySettingsDialogReasonableHeightRatio));
     72 
     73   std::string network_name = network.name();
     74   if (network_name.empty() && network.Matches(NetworkTypePattern::Ethernet())) {
     75     network_name =
     76         l10n_util::GetStringUTF8(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
     77   }
     78 
     79   SetDialogTitle(l10n_util::GetStringFUTF16(IDS_PROXY_PAGE_TITLE_FORMAT,
     80                                             ASCIIToUTF16(network_name)));
     81 }
     82 
     83 ProxySettingsDialog::~ProxySettingsDialog() {
     84   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
     85   --instance_count_;
     86 }
     87 
     88 void ProxySettingsDialog::OnDialogClosed(const std::string& json_retval) {
     89   LoginWebDialog::OnDialogClosed(json_retval);
     90   content::NotificationService::current()->Notify(
     91     chrome::NOTIFICATION_LOGIN_PROXY_CHANGED,
     92     content::NotificationService::AllSources(),
     93     content::NotificationService::NoDetails());
     94 }
     95 
     96 bool ProxySettingsDialog::IsShown() {
     97   return instance_count_ > 0;
     98 }
     99 
    100 }  // namespace chromeos
    101