chrome/browser/ui/webui/options/chromeos/display_options_handler.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/webui/options/chromeos/display_options_handler.h"
   6
   7 #include <string>
   8
   9 #include "ash/display/display_controller.h"
  10 #include "ash/display/display_manager.h"
  11 #include "ash/display/output_configurator_animation.h"
  12 #include "ash/display/resolution_notification_controller.h"
  13 #include "ash/shell.h"
  14 #include "base/bind.h"
  15 #include "base/logging.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "base/strings/stringprintf.h"
  18 #include "base/values.h"
  19 #include "chrome/browser/chromeos/display/display_preferences.h"
  20 #include "chromeos/display/output_configurator.h"
  21 #include "content/public/browser/web_ui.h"
  22 #include "grit/ash_strings.h"
  23 #include "grit/generated_resources.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #include "ui/gfx/display.h"
  26 #include "ui/gfx/rect.h"
  27 #include "ui/gfx/screen.h"
  28 #include "ui/gfx/size_conversions.h"
  29
  30 using ash::internal::DisplayManager;
  31
  32 namespace chromeos {
  33 namespace options {
  34 namespace {
  35
  36 DisplayManager* GetDisplayManager() {
  37   return ash::Shell::GetInstance()->display_manager();
  38 }
  39
  40 int64 GetDisplayId(const base::ListValue* args) {
  41   // Assumes the display ID is specified as the first argument.
  42   std::string id_value;
  43   if (!args->GetString(0, &id_value)) {
  44     LOG(ERROR) << "Can't find ID";
  45     return gfx::Display::kInvalidDisplayID;
  46   }
  47
  48   int64 display_id = gfx::Display::kInvalidDisplayID;
  49   if (!base::StringToInt64(id_value, &display_id)) {
  50     LOG(ERROR) << "Invalid display id: " << id_value;
  51     return gfx::Display::kInvalidDisplayID;
  52   }
  53
  54   return display_id;
  55 }
  56
  57 bool CompareResolution(ash::internal::Resolution r1,
  58                        ash::internal::Resolution r2) {
  59   return r1.size.GetArea() < r2.size.GetArea();
  60 }
  61
  62 }  // namespace
  63
  64 DisplayOptionsHandler::DisplayOptionsHandler() {
  65   ash::Shell::GetInstance()->display_controller()->AddObserver(this);
  66 }
  67
  68 DisplayOptionsHandler::~DisplayOptionsHandler() {
  69   ash::Shell::GetInstance()->display_controller()->RemoveObserver(this);
  70 }
  71
  72 void DisplayOptionsHandler::GetLocalizedValues(
  73     base::DictionaryValue* localized_strings) {
  74   DCHECK(localized_strings);
  75   RegisterTitle(localized_strings, "displayOptionsPage",
  76                 IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_TAB_TITLE);
  77
  78   localized_strings->SetString(
  79       "selectedDisplayTitleOptions", l10n_util::GetStringUTF16(
  80           IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_OPTIONS));
  81   localized_strings->SetString(
  82       "selectedDisplayTitleResolution", l10n_util::GetStringUTF16(
  83           IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_RESOLUTION));
  84   localized_strings->SetString(
  85       "selectedDisplayTitleOrientation", l10n_util::GetStringUTF16(
  86           IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_ORIENTATION));
  87   localized_strings->SetString(
  88       "selectedDisplayTitleOverscan", l10n_util::GetStringUTF16(
  89           IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_OVERSCAN));
  90
  91   localized_strings->SetString("startMirroring", l10n_util::GetStringUTF16(
  92       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_START_MIRRORING));
  93   localized_strings->SetString("stopMirroring", l10n_util::GetStringUTF16(
  94       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_STOP_MIRRORING));
  95   localized_strings->SetString("mirroringDisplay", l10n_util::GetStringUTF16(
  96       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_MIRRORING_DISPLAY_NAME));
  97   localized_strings->SetString("setPrimary", l10n_util::GetStringUTF16(
  98       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_SET_PRIMARY));
  99   localized_strings->SetString("annotateBest", l10n_util::GetStringUTF16(
 100       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_RESOLUTION_ANNOTATION_BEST));
 101   localized_strings->SetString("orientation0", l10n_util::GetStringUTF16(
 102       IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_STANDARD_ORIENTATION));
 103   localized_strings->SetString("orientation90", l10n_util::GetStringUTF16(
 104       IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_90));
 105   localized_strings->SetString("orientation180", l10n_util::GetStringUTF16(
 106       IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_180));
 107   localized_strings->SetString("orientation270", l10n_util::GetStringUTF16(
 108       IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_270));
 109   localized_strings->SetString(
 110       "startCalibratingOverscan", l10n_util::GetStringUTF16(
 111           IDS_OPTIONS_SETTINGS_DISPLAY_OPTIONS_START_CALIBRATING_OVERSCAN));
 112 }
 113
 114 void DisplayOptionsHandler::InitializePage() {
 115   DCHECK(web_ui());
 116 }
 117
 118 void DisplayOptionsHandler::RegisterMessages() {
 119   web_ui()->RegisterMessageCallback(
 120       "getDisplayInfo",
 121       base::Bind(&DisplayOptionsHandler::HandleDisplayInfo,
 122                  base::Unretained(this)));
 123   web_ui()->RegisterMessageCallback(
 124       "setMirroring",
 125       base::Bind(&DisplayOptionsHandler::HandleMirroring,
 126                  base::Unretained(this)));
 127   web_ui()->RegisterMessageCallback(
 128       "setPrimary",
 129       base::Bind(&DisplayOptionsHandler::HandleSetPrimary,
 130                  base::Unretained(this)));
 131   web_ui()->RegisterMessageCallback(
 132       "setDisplayLayout",
 133       base::Bind(&DisplayOptionsHandler::HandleDisplayLayout,
 134                  base::Unretained(this)));
 135   web_ui()->RegisterMessageCallback(
 136       "setUIScale",
 137       base::Bind(&DisplayOptionsHandler::HandleSetUIScale,
 138                  base::Unretained(this)));
 139   web_ui()->RegisterMessageCallback(
 140       "setResolution",
 141       base::Bind(&DisplayOptionsHandler::HandleSetResolution,
 142                  base::Unretained(this)));
 143   web_ui()->RegisterMessageCallback(
 144       "setOrientation",
 145       base::Bind(&DisplayOptionsHandler::HandleSetOrientation,
 146                  base::Unretained(this)));
 147 }
 148
 149 void DisplayOptionsHandler::OnDisplayConfigurationChanging() {
 150 }
 151
 152 void DisplayOptionsHandler::OnDisplayConfigurationChanged() {
 153   SendAllDisplayInfo();
 154 }
 155
 156 void DisplayOptionsHandler::SendAllDisplayInfo() {
 157   DisplayManager* display_manager = GetDisplayManager();
 158
 159   std::vector<gfx::Display> displays;
 160   for (size_t i = 0; i < display_manager->GetNumDisplays(); ++i) {
 161     displays.push_back(display_manager->GetDisplayAt(i));
 162   }
 163   SendDisplayInfo(displays);
 164 }
 165
 166 void DisplayOptionsHandler::SendDisplayInfo(
 167     const std::vector<gfx::Display>& displays) {
 168   DisplayManager* display_manager = GetDisplayManager();
 169   base::FundamentalValue mirroring(display_manager->IsMirrored());
 170
 171   int64 primary_id = ash::Shell::GetScreen()->GetPrimaryDisplay().id();
 172   base::ListValue js_displays;
 173   for (size_t i = 0; i < displays.size(); ++i) {
 174     const gfx::Display& display = displays[i];
 175     const ash::internal::DisplayInfo& display_info =
 176         display_manager->GetDisplayInfo(display.id());
 177     const gfx::Rect& bounds = display.bounds();
 178     base::DictionaryValue* js_display = new base::DictionaryValue();
 179     js_display->SetString("id", base::Int64ToString(display.id()));
 180     js_display->SetInteger("x", bounds.x());
 181     js_display->SetInteger("y", bounds.y());
 182     js_display->SetInteger("width", bounds.width());
 183     js_display->SetInteger("height", bounds.height());
 184     js_display->SetString("name",
 185                           display_manager->GetDisplayNameForId(display.id()));
 186     js_display->SetBoolean("isPrimary", display.id() == primary_id);
 187     js_display->SetBoolean("isInternal", display.IsInternal());
 188     js_display->SetInteger("orientation",
 189                            static_cast<int>(display_info.rotation()));
 190     std::vector<ash::internal::Resolution> resolutions;
 191     std::vector<float> ui_scales;
 192     if (display.IsInternal()) {
 193       ui_scales = DisplayManager::GetScalesForDisplay(display_info);
 194       gfx::SizeF base_size = display_info.bounds_in_native().size();
 195       base_size.Scale(1.0f / display.device_scale_factor());
 196       if (display_info.rotation() == gfx::Display::ROTATE_90 ||
 197           display_info.rotation() == gfx::Display::ROTATE_270) {
 198         float tmp = base_size.width();
 199         base_size.set_width(base_size.height());
 200         base_size.set_height(tmp);
 201       }
 202       for (size_t i = 0; i < ui_scales.size(); ++i) {
 203         gfx::SizeF new_size = base_size;
 204         new_size.Scale(ui_scales[i]);
 205         resolutions.push_back(ash::internal::Resolution(
 206             gfx::ToFlooredSize(new_size), false /* interlaced */));
 207       }
 208     } else {
 209       for (size_t i = 0; i < display_info.resolutions().size(); ++i)
 210         resolutions.push_back(display_info.resolutions()[i]);
 211     }
 212     std::sort(resolutions.begin(), resolutions.end(), CompareResolution);
 213
 214     base::ListValue* js_resolutions = new base::ListValue();
 215     gfx::Size current_size = display_info.bounds_in_native().size();
 216     gfx::Insets current_overscan = display_info.GetOverscanInsetsInPixel();
 217     for (size_t i = 0; i < resolutions.size(); ++i) {
 218       base::DictionaryValue* resolution_info = new base::DictionaryValue();
 219       gfx::Size resolution = resolutions[i].size;
 220       if (!ui_scales.empty()) {
 221         resolution_info->SetDouble("scale", ui_scales[i]);
 222         if (ui_scales[i] == 1.0f)
 223           resolution_info->SetBoolean("isBest", true);
 224         resolution_info->SetBoolean(
 225             "selected", display_info.configured_ui_scale() == ui_scales[i]);
 226       } else {
 227         // Picks the largest one as the "best", which is the last element
 228         // because |resolutions| is sorted by its area.
 229         if (i == resolutions.size() - 1)
 230           resolution_info->SetBoolean("isBest", true);
 231         resolution_info->SetBoolean("selected", (resolution == current_size));
 232         resolution.Enlarge(
 233             -current_overscan.width(), -current_overscan.height());
 234       }
 235       resolution_info->SetInteger("width", resolution.width());
 236       resolution_info->SetInteger("height", resolution.height());
 237       js_resolutions->Append(resolution_info);
 238     }
 239     js_display->Set("resolutions", js_resolutions);
 240     js_displays.Append(js_display);
 241   }
 242
 243   scoped_ptr<base::Value> layout_value(base::Value::CreateNullValue());
 244   scoped_ptr<base::Value> offset_value(base::Value::CreateNullValue());
 245   if (display_manager->GetNumDisplays() > 1) {
 246     const ash::DisplayLayout layout =
 247         display_manager->GetCurrentDisplayLayout();
 248     layout_value.reset(new base::FundamentalValue(layout.position));
 249     offset_value.reset(new base::FundamentalValue(layout.offset));
 250   }
 251
 252   web_ui()->CallJavascriptFunction(
 253       "options.DisplayOptions.setDisplayInfo",
 254       mirroring, js_displays, *layout_value.get(), *offset_value.get());
 255 }
 256
 257 void DisplayOptionsHandler::OnFadeOutForMirroringFinished(bool is_mirroring) {
 258   ash::Shell::GetInstance()->display_manager()->SetMirrorMode(is_mirroring);
 259   // Not necessary to start fade-in animation.  OutputConfigurator will do that.
 260 }
 261
 262 void DisplayOptionsHandler::OnFadeOutForDisplayLayoutFinished(
 263     int position, int offset) {
 264   SetCurrentDisplayLayout(
 265       ash::DisplayLayout::FromInts(position, offset));
 266   ash::Shell::GetInstance()->output_configurator_animation()->
 267       StartFadeInAnimation();
 268 }
 269
 270 void DisplayOptionsHandler::HandleDisplayInfo(
 271     const base::ListValue* unused_args) {
 272   SendAllDisplayInfo();
 273 }
 274
 275 void DisplayOptionsHandler::HandleMirroring(const base::ListValue* args) {
 276   DCHECK(!args->empty());
 277   bool is_mirroring = false;
 278   args->GetBoolean(0, &is_mirroring);
 279   ash::Shell::GetInstance()->output_configurator_animation()->
 280       StartFadeOutAnimation(base::Bind(
 281           &DisplayOptionsHandler::OnFadeOutForMirroringFinished,
 282           base::Unretained(this),
 283           is_mirroring));
 284 }
 285
 286 void DisplayOptionsHandler::HandleSetPrimary(const base::ListValue* args) {
 287   DCHECK(!args->empty());
 288   int64 display_id = GetDisplayId(args);
 289   if (display_id == gfx::Display::kInvalidDisplayID)
 290     return;
 291
 292   ash::Shell::GetInstance()->display_controller()->
 293       SetPrimaryDisplayId(display_id);
 294 }
 295
 296 void DisplayOptionsHandler::HandleDisplayLayout(const base::ListValue* args) {
 297   double layout = -1;
 298   double offset = -1;
 299   if (!args->GetDouble(0, &layout) || !args->GetDouble(1, &offset)) {
 300     LOG(ERROR) << "Invalid parameter";
 301     SendAllDisplayInfo();
 302     return;
 303   }
 304   DCHECK_LE(ash::DisplayLayout::TOP, layout);
 305   DCHECK_GE(ash::DisplayLayout::LEFT, layout);
 306   ash::Shell::GetInstance()->output_configurator_animation()->
 307       StartFadeOutAnimation(base::Bind(
 308           &DisplayOptionsHandler::OnFadeOutForDisplayLayoutFinished,
 309           base::Unretained(this),
 310           static_cast<int>(layout),
 311           static_cast<int>(offset)));
 312 }
 313
 314 void DisplayOptionsHandler::HandleSetUIScale(const base::ListValue* args) {
 315   DCHECK(!args->empty());
 316
 317   int64 display_id = GetDisplayId(args);
 318   if (display_id == gfx::Display::kInvalidDisplayID)
 319     return;
 320
 321   double ui_scale = 0.0f;
 322   if (!args->GetDouble(1, &ui_scale) || ui_scale == 0.0f) {
 323     LOG(ERROR) << "Can't find new ui_scale";
 324     return;
 325   }
 326
 327   GetDisplayManager()->SetDisplayUIScale(display_id, ui_scale);
 328 }
 329
 330 void DisplayOptionsHandler::HandleSetResolution(const base::ListValue* args) {
 331   DCHECK(!args->empty());
 332   int64 display_id = GetDisplayId(args);
 333   if (display_id == gfx::Display::kInvalidDisplayID)
 334     return;
 335
 336   double width = 0.0f;
 337   double height = 0.0f;
 338   if (!args->GetDouble(1, &width) || width == 0.0f) {
 339     LOG(ERROR) << "Can't find new width";
 340     return;
 341   }
 342   if (!args->GetDouble(2, &height) || height == 0.0f) {
 343     LOG(ERROR) << "Can't find new height";
 344     return;
 345   }
 346
 347   const ash::internal::DisplayInfo& display_info =
 348       GetDisplayManager()->GetDisplayInfo(display_id);
 349   gfx::Insets current_overscan = display_info.GetOverscanInsetsInPixel();
 350   gfx::Size new_resolution = gfx::ToFlooredSize(gfx::SizeF(width, height));
 351   new_resolution.Enlarge(current_overscan.width(), current_overscan.height());
 352   gfx::Size old_resolution = display_info.bounds_in_native().size();
 353   bool has_new_resolution = false;
 354   bool has_old_resolution = false;
 355   for (size_t i = 0; i < display_info.resolutions().size(); ++i) {
 356     ash::internal::Resolution resolution = display_info.resolutions()[i];
 357     if (resolution.size == new_resolution)
 358       has_new_resolution = true;
 359     if (resolution.size == old_resolution)
 360       has_old_resolution = true;
 361   }
 362   if (!has_new_resolution) {
 363     LOG(ERROR) << "No new resolution " << new_resolution.ToString()
 364                << " is found in the display info " << display_info.ToString();
 365     return;
 366   }
 367   if (!has_old_resolution) {
 368     LOG(ERROR) << "No old resolution " << old_resolution.ToString()
 369                << " is found in the display info " << display_info.ToString();
 370     return;
 371   }
 372
 373   ash::Shell::GetInstance()->resolution_notification_controller()->
 374       SetDisplayResolutionAndNotify(
 375           display_id, old_resolution, new_resolution,
 376           base::Bind(&StoreDisplayPrefs));
 377 }
 378
 379 void DisplayOptionsHandler::HandleSetOrientation(const base::ListValue* args) {
 380   DCHECK(!args->empty());
 381
 382   int64 display_id = GetDisplayId(args);
 383   if (display_id == gfx::Display::kInvalidDisplayID)
 384     return;
 385
 386   std::string rotation_value;
 387   gfx::Display::Rotation new_rotation = gfx::Display::ROTATE_0;
 388   if (!args->GetString(1, &rotation_value)) {
 389     LOG(ERROR) << "Can't find new orientation";
 390     return;
 391   }
 392   if (rotation_value == "90")
 393     new_rotation = gfx::Display::ROTATE_90;
 394   else if (rotation_value == "180")
 395     new_rotation = gfx::Display::ROTATE_180;
 396   else if (rotation_value == "270")
 397     new_rotation = gfx::Display::ROTATE_270;
 398   else if (rotation_value != "0")
 399     LOG(ERROR) << "Invalid rotation: " << rotation_value << " Falls back to 0";
 400
 401   GetDisplayManager()->SetDisplayRotation(display_id, new_rotation);
 402 }
 403
 404 }  // namespace options
 405 }  // namespace chromeos