chrome/browser/ui/browser_window_state.cc

   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/ui/browser_window_state.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "base/prefs/scoped_user_pref_update.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "chrome/browser/defaults.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/browser/sessions/session_service.h"
  14 #include "chrome/browser/sessions/session_service_factory.h"
  15 #include "chrome/browser/ui/browser.h"
  16 #include "chrome/browser/ui/window_sizer/window_sizer.h"
  17 #include "chrome/common/chrome_switches.h"
  18 #include "chrome/common/pref_names.h"
  19
  20 namespace chrome {
  21 namespace {
  22
  23 // Parse two comma-separated integers from str. Return true on success.
  24 bool ParseCommaSeparatedIntegers(const std::string& str,
  25                                  int* ret_num1,
  26                                  int* ret_num2) {
  27   size_t num1_size = str.find_first_of(',');
  28   if (num1_size == std::string::npos)
  29     return false;
  30
  31   size_t num2_pos = num1_size + 1;
  32   size_t num2_size = str.size() - num2_pos;
  33   int num1 = 0;
  34   int num2 = 0;
  35   if (!base::StringToInt(str.substr(0, num1_size), &num1) ||
  36       !base::StringToInt(str.substr(num2_pos, num2_size), &num2))
  37     return false;
  38
  39   *ret_num1 = num1;
  40   *ret_num2 = num2;
  41   return true;
  42 }
  43
  44 class WindowPlacementPrefUpdate : public DictionaryPrefUpdate {
  45  public:
  46   WindowPlacementPrefUpdate(PrefService* service,
  47                             const std::string& window_name)
  48       : DictionaryPrefUpdate(service, prefs::kAppWindowPlacement),
  49         window_name_(window_name) {}
  50
  51   ~WindowPlacementPrefUpdate() override {}
  52
  53   base::DictionaryValue* Get() override {
  54     base::DictionaryValue* all_apps_dict = DictionaryPrefUpdate::Get();
  55     base::DictionaryValue* this_app_dict = NULL;
  56     if (!all_apps_dict->GetDictionary(window_name_, &this_app_dict)) {
  57       this_app_dict = new base::DictionaryValue;
  58       all_apps_dict->Set(window_name_, this_app_dict);
  59     }
  60     return this_app_dict;
  61   }
  62
  63  private:
  64   const std::string window_name_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(WindowPlacementPrefUpdate);
  67 };
  68
  69 }  // namespace
  70
  71 std::string GetWindowName(const Browser* browser) {
  72   if (browser->app_name().empty()) {
  73     return browser->is_type_popup() ?
  74         prefs::kBrowserWindowPlacementPopup : prefs::kBrowserWindowPlacement;
  75   }
  76   return browser->app_name();
  77 }
  78
  79 scoped_ptr<DictionaryPrefUpdate> GetWindowPlacementDictionaryReadWrite(
  80     const std::string& window_name,
  81     PrefService* prefs) {
  82   DCHECK(!window_name.empty());
  83   // A normal DictionaryPrefUpdate will suffice for non-app windows.
  84   if (prefs->FindPreference(window_name.c_str())) {
  85     return make_scoped_ptr(
  86         new DictionaryPrefUpdate(prefs, window_name.c_str()));
  87   }
  88   return scoped_ptr<DictionaryPrefUpdate>(
  89       new WindowPlacementPrefUpdate(prefs, window_name));
  90 }
  91
  92 const base::DictionaryValue* GetWindowPlacementDictionaryReadOnly(
  93     const std::string& window_name,
  94     PrefService* prefs) {
  95   DCHECK(!window_name.empty());
  96   if (prefs->FindPreference(window_name.c_str()))
  97     return prefs->GetDictionary(window_name.c_str());
  98
  99   const base::DictionaryValue* app_windows =
 100       prefs->GetDictionary(prefs::kAppWindowPlacement);
 101   if (!app_windows)
 102     return NULL;
 103   const base::DictionaryValue* to_return = NULL;
 104   app_windows->GetDictionary(window_name, &to_return);
 105   return to_return;
 106 }
 107
 108 bool ShouldSaveWindowPlacement(const Browser* browser) {
 109   // Only save the window placement of popups if the window is from a trusted
 110   // source (v1 app, devtools, or system window).
 111   return (browser->type() == Browser::TYPE_TABBED) ||
 112     ((browser->type() == Browser::TYPE_POPUP) && browser->is_trusted_source());
 113 }
 114
 115 void SaveWindowPlacement(const Browser* browser,
 116                          const gfx::Rect& bounds,
 117                          ui::WindowShowState show_state) {
 118   // Save to the session storage service, used when reloading a past session.
 119   // Note that we don't want to be the ones who cause lazy initialization of
 120   // the session service. This function gets called during initial window
 121   // showing, and we don't want to bring in the session service this early.
 122   SessionService* session_service =
 123       SessionServiceFactory::GetForProfileIfExisting(browser->profile());
 124   if (session_service)
 125     session_service->SetWindowBounds(browser->session_id(), bounds, show_state);
 126 }
 127
 128 void GetSavedWindowBoundsAndShowState(const Browser* browser,
 129                                       gfx::Rect* bounds,
 130                                       ui::WindowShowState* show_state) {
 131   DCHECK(browser);
 132   DCHECK(bounds);
 133   DCHECK(show_state);
 134   *bounds = browser->override_bounds();
 135   WindowSizer::GetBrowserWindowBoundsAndShowState(browser->app_name(),
 136                                                   *bounds,
 137                                                   browser,
 138                                                   bounds,
 139                                                   show_state);
 140
 141   const base::CommandLine& parsed_command_line =
 142       *base::CommandLine::ForCurrentProcess();
 143
 144   if (parsed_command_line.HasSwitch(switches::kWindowSize)) {
 145     std::string str =
 146         parsed_command_line.GetSwitchValueASCII(switches::kWindowSize);
 147     int width, height;
 148     if (ParseCommaSeparatedIntegers(str, &width, &height))
 149       bounds->set_size(gfx::Size(width, height));
 150   }
 151   if (parsed_command_line.HasSwitch(switches::kWindowPosition)) {
 152     std::string str =
 153         parsed_command_line.GetSwitchValueASCII(switches::kWindowPosition);
 154     int x, y;
 155     if (ParseCommaSeparatedIntegers(str, &x, &y))
 156       bounds->set_origin(gfx::Point(x, y));
 157   }
 158 }
 159
 160 }  // namespace chrome