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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 "ash/system/chromeos/audio/tray_audio.h" | |
| 6 | |
| 7 #include <cmath> | |
| 8 | |
| 9 #include "ash/ash_constants.h" | |
| 10 #include "ash/ash_switches.h" | |
| 11 #include "ash/metrics/user_metrics_recorder.h" | |
| 12 #include "ash/shell.h" | |
| 13 #include "ash/system/tray/actionable_view.h" | |
| 14 #include "ash/system/tray/fixed_sized_scroll_view.h" | |
| 15 #include "ash/system/tray/hover_highlight_view.h" | |
| 16 #include "ash/system/tray/system_tray.h" | |
| 17 #include "ash/system/tray/system_tray_delegate.h" | |
| 18 #include "ash/system/tray/system_tray_notifier.h" | |
| 19 #include "ash/system/tray/tray_constants.h" | |
| 20 #include "ash/volume_control_delegate.h" | |
| 21 #include "base/strings/utf_string_conversions.h" | |
| 22 #include "chromeos/audio/cras_audio_handler.h" | |
| 23 #include "grit/ash_resources.h" | |
| 24 #include "grit/ash_strings.h" | |
| 25 #include "third_party/skia/include/core/SkCanvas.h" | |
| 26 #include "third_party/skia/include/core/SkPaint.h" | |
| 27 #include "third_party/skia/include/core/SkRect.h" | |
| 28 #include "third_party/skia/include/effects/SkGradientShader.h" | |
| 29 #include "ui/base/l10n/l10n_util.h" | |
| 30 #include "ui/base/resource/resource_bundle.h" | |
| 31 #include "ui/gfx/canvas.h" | |
| 32 #include "ui/gfx/font_list.h" | |
| 33 #include "ui/gfx/image/image.h" | |
| 34 #include "ui/gfx/image/image_skia_operations.h" | |
| 35 #include "ui/views/controls/button/image_button.h" | |
| 36 #include "ui/views/controls/image_view.h" | |
| 37 #include "ui/views/controls/label.h" | |
| 38 #include "ui/views/controls/slider.h" | |
| 39 #include "ui/views/layout/box_layout.h" | |
| 40 #include "ui/views/view.h" | |
| 41 | |
| 42 using chromeos::CrasAudioHandler; | |
| 43 | |
| 44 namespace ash { | |
| 45 namespace internal { | |
| 46 | |
| 47 namespace { | |
| 48 const int kVolumeImageWidth = 25; | |
| 49 const int kVolumeImageHeight = 25; | |
| 50 const int kBarSeparatorWidth = 25; | |
| 51 const int kBarSeparatorHeight = 30; | |
| 52 const int kSliderRightPaddingToVolumeViewEdge = 17; | |
| 53 const int kExtraPaddingBetweenBarAndMore = 10; | |
| 54 | |
| 55 const int kNoAudioDeviceIcon = -1; | |
| 56 | |
| 57 // IDR_AURA_UBER_TRAY_VOLUME_LEVELS contains 5 images, | |
| 58 // The one for mute is at the 0 index and the other | |
| 59 // four are used for ascending volume levels. | |
| 60 const int kVolumeLevels = 4; | |
| 61 | |
| 62 bool IsAudioMuted() { | |
| 63 return CrasAudioHandler::Get()->IsOutputMuted(); | |
| 64 } | |
| 65 | |
| 66 float GetVolumeLevel() { | |
| 67 return CrasAudioHandler::Get()->GetOutputVolumePercent() / 100.0f; | |
| 68 } | |
| 69 | |
| 70 int GetAudioDeviceIconId(chromeos::AudioDeviceType type) { | |
| 71 if (type == chromeos::AUDIO_TYPE_HEADPHONE) | |
| 72 return IDR_AURA_UBER_TRAY_AUDIO_HEADPHONE; | |
| 73 else if (type == chromeos::AUDIO_TYPE_USB) | |
| 74 return IDR_AURA_UBER_TRAY_AUDIO_USB; | |
| 75 else if (type == chromeos::AUDIO_TYPE_BLUETOOTH) | |
| 76 return IDR_AURA_UBER_TRAY_AUDIO_BLUETOOTH; | |
| 77 else if (type == chromeos::AUDIO_TYPE_HDMI) | |
| 78 return IDR_AURA_UBER_TRAY_AUDIO_HDMI; | |
| 79 else | |
| 80 return kNoAudioDeviceIcon; | |
| 81 } | |
| 82 | |
| 83 base::string16 GetAudioDeviceName(const chromeos::AudioDevice& device) { | |
| 84 switch(device.type) { | |
| 85 case chromeos::AUDIO_TYPE_HEADPHONE: | |
| 86 return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_AUDIO_HEADPHONE); | |
| 87 case chromeos::AUDIO_TYPE_INTERNAL_SPEAKER: | |
| 88 return l10n_util::GetStringUTF16( | |
| 89 IDS_ASH_STATUS_TRAY_AUDIO_INTERNAL_SPEAKER); | |
| 90 case chromeos::AUDIO_TYPE_INTERNAL_MIC: | |
| 91 return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_AUDIO_INTERNAL_MIC); | |
| 92 case chromeos::AUDIO_TYPE_USB: | |
| 93 return l10n_util::GetStringFUTF16( | |
| 94 IDS_ASH_STATUS_TRAY_AUDIO_USB_DEVICE, | |
| 95 base::UTF8ToUTF16(device.display_name)); | |
| 96 case chromeos::AUDIO_TYPE_BLUETOOTH: | |
| 97 return l10n_util::GetStringFUTF16( | |
| 98 IDS_ASH_STATUS_TRAY_AUDIO_BLUETOOTH_DEVICE, | |
| 99 base::UTF8ToUTF16(device.display_name)); | |
| 100 case chromeos::AUDIO_TYPE_HDMI: | |
| 101 return l10n_util::GetStringFUTF16( | |
| 102 IDS_ASH_STATUS_TRAY_AUDIO_HDMI_DEVICE, | |
| 103 base::UTF8ToUTF16(device.display_name)); | |
| 104 default: | |
| 105 return base::UTF8ToUTF16(device.display_name); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 } // namespace | |
| 110 | |
| 111 namespace tray { | |
| 112 | |
| 113 class VolumeButton : public views::ToggleImageButton { | |
| 114 public: | |
| 115 explicit VolumeButton(views::ButtonListener* listener) | |
| 116 : views::ToggleImageButton(listener), | |
| 117 image_index_(-1) { | |
| 118 SetImageAlignment(ALIGN_CENTER, ALIGN_MIDDLE); | |
| 119 image_ = ui::ResourceBundle::GetSharedInstance().GetImageNamed( | |
| 120 IDR_AURA_UBER_TRAY_VOLUME_LEVELS); | |
| 121 SetPreferredSize(gfx::Size(kTrayPopupItemHeight, kTrayPopupItemHeight)); | |
| 122 Update(); | |
| 123 } | |
| 124 | |
| 125 virtual ~VolumeButton() {} | |
| 126 | |
| 127 void Update() { | |
| 128 float level = GetVolumeLevel(); | |
| 129 int image_index = IsAudioMuted() ? | |
| 130 0 : (level == 1.0 ? | |
| 131 kVolumeLevels : | |
| 132 std::max(1, int(std::ceil(level * (kVolumeLevels - 1))))); | |
| 133 if (image_index != image_index_) { | |
| 134 gfx::Rect region(0, image_index * kVolumeImageHeight, | |
| 135 kVolumeImageWidth, kVolumeImageHeight); | |
| 136 gfx::ImageSkia image_skia = gfx::ImageSkiaOperations::ExtractSubset( | |
| 137 *(image_.ToImageSkia()), region); | |
| 138 SetImage(views::CustomButton::STATE_NORMAL, &image_skia); | |
| 139 image_index_ = image_index; | |
| 140 } | |
| 141 SchedulePaint(); | |
| 142 } | |
| 143 | |
| 144 private: | |
| 145 // Overridden from views::View. | |
| 146 virtual gfx::Size GetPreferredSize() OVERRIDE { | |
| 147 gfx::Size size = views::ToggleImageButton::GetPreferredSize(); | |
| 148 size.set_height(kTrayPopupItemHeight); | |
| 149 return size; | |
| 150 } | |
| 151 | |
| 152 gfx::Image image_; | |
| 153 int image_index_; | |
| 154 | |
| 155 DISALLOW_COPY_AND_ASSIGN(VolumeButton); | |
| 156 }; | |
| 157 | |
| 158 class VolumeSlider : public views::Slider { | |
| 159 public: | |
| 160 explicit VolumeSlider(views::SliderListener* listener) | |
| 161 : views::Slider(listener, views::Slider::HORIZONTAL) { | |
| 162 set_focus_border_color(kFocusBorderColor); | |
| 163 SetValue(GetVolumeLevel()); | |
| 164 SetAccessibleName( | |
| 165 ui::ResourceBundle::GetSharedInstance().GetLocalizedString( | |
| 166 IDS_ASH_STATUS_TRAY_VOLUME)); | |
| 167 Update(); | |
| 168 } | |
| 169 virtual ~VolumeSlider() {} | |
| 170 | |
| 171 void Update() { | |
| 172 UpdateState(!IsAudioMuted()); | |
| 173 } | |
| 174 | |
| 175 DISALLOW_COPY_AND_ASSIGN(VolumeSlider); | |
| 176 }; | |
| 177 | |
| 178 // Vertical bar separator that can be placed on the VolumeView. | |
| 179 class BarSeparator : public views::View { | |
| 180 public: | |
| 181 BarSeparator() {} | |
| 182 virtual ~BarSeparator() {} | |
| 183 | |
| 184 // Overriden from views::View. | |
| 185 virtual gfx::Size GetPreferredSize() OVERRIDE { | |
| 186 return gfx::Size(kBarSeparatorWidth, kBarSeparatorHeight); | |
| 187 } | |
| 188 | |
| 189 private: | |
| 190 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE { | |
| 191 canvas->FillRect(gfx::Rect(width() / 2, 0, 1, height()), | |
| 192 kButtonStrokeColor); | |
| 193 } | |
| 194 | |
| 195 DISALLOW_COPY_AND_ASSIGN(BarSeparator); | |
| 196 }; | |
| 197 | |
| 198 class VolumeView : public ActionableView, | |
| 199 public views::ButtonListener, | |
| 200 public views::SliderListener { | |
| 201 public: | |
| 202 VolumeView(SystemTrayItem* owner, bool is_default_view) | |
| 203 : owner_(owner), | |
| 204 icon_(NULL), | |
| 205 slider_(NULL), | |
| 206 bar_(NULL), | |
| 207 device_type_(NULL), | |
| 208 more_(NULL), | |
| 209 is_default_view_(is_default_view) { | |
| 210 SetFocusable(false); | |
| 211 SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal, | |
| 212 kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingBetweenItems)); | |
| 213 | |
| 214 icon_ = new VolumeButton(this); | |
| 215 AddChildView(icon_); | |
| 216 | |
| 217 slider_ = new VolumeSlider(this); | |
| 218 AddChildView(slider_); | |
| 219 | |
| 220 bar_ = new BarSeparator; | |
| 221 AddChildView(bar_); | |
| 222 | |
| 223 device_type_ = new views::ImageView; | |
| 224 AddChildView(device_type_); | |
| 225 | |
| 226 more_ = new views::ImageView; | |
| 227 more_->EnableCanvasFlippingForRTLUI(true); | |
| 228 more_->SetImage(ui::ResourceBundle::GetSharedInstance().GetImageNamed( | |
| 229 IDR_AURA_UBER_TRAY_MORE).ToImageSkia()); | |
| 230 AddChildView(more_); | |
| 231 | |
| 232 Update(); | |
| 233 } | |
| 234 | |
| 235 virtual ~VolumeView() {} | |
| 236 | |
| 237 void Update() { | |
| 238 icon_->Update(); | |
| 239 slider_->Update(); | |
| 240 UpdateDeviceTypeAndMore(); | |
| 241 Layout(); | |
| 242 } | |
| 243 | |
| 244 // Sets volume level on slider_, |percent| is ranged from [0.00] to [1.00]. | |
| 245 void SetVolumeLevel(float percent) { | |
| 246 // Slider's value is in finer granularity than audio volume level(0.01), | |
| 247 // there will be a small discrepancy between slider's value and volume level | |
| 248 // on audio side. To avoid the jittering in slider UI, do not set change | |
| 249 // slider value if the change is less than 1%. | |
| 250 if (std::abs(percent-slider_->value()) < 0.01) | |
| 251 return; | |
| 252 // The change in volume will be reflected via accessibility system events, | |
| 253 // so we prevent the UI event from being sent here. | |
| 254 slider_->set_enable_accessibility_events(false); | |
| 255 slider_->SetValue(percent); | |
| 256 // It is possible that the volume was (un)muted, but the actual volume level | |
| 257 // did not change. In that case, setting the value of the slider won't | |
| 258 // trigger an update. So explicitly trigger an update. | |
| 259 Update(); | |
| 260 slider_->set_enable_accessibility_events(true); | |
| 261 } | |
| 262 | |
| 263 private: | |
| 264 // Updates bar_, device_type_ icon, and more_ buttons. | |
| 265 void UpdateDeviceTypeAndMore() { | |
| 266 if (!ash::switches::ShowAudioDeviceMenu() || !is_default_view_) { | |
| 267 more_->SetVisible(false); | |
| 268 bar_->SetVisible(false); | |
| 269 device_type_->SetVisible(false); | |
| 270 return; | |
| 271 } | |
| 272 | |
| 273 CrasAudioHandler* audio_handler = CrasAudioHandler::Get(); | |
| 274 bool show_more = audio_handler->has_alternative_output() || | |
| 275 audio_handler->has_alternative_input(); | |
| 276 more_->SetVisible(show_more); | |
| 277 | |
| 278 // Show output device icon if necessary. | |
| 279 chromeos::AudioDevice device; | |
| 280 if (!audio_handler->GetActiveOutputDevice(&device)) | |
| 281 return; | |
| 282 int device_icon = GetAudioDeviceIconId(device.type); | |
| 283 bar_->SetVisible(show_more); | |
| 284 if (device_icon != kNoAudioDeviceIcon) { | |
| 285 device_type_->SetVisible(true); | |
| 286 device_type_->SetImage( | |
| 287 ui::ResourceBundle::GetSharedInstance().GetImageNamed( | |
| 288 device_icon).ToImageSkia()); | |
| 289 } else { | |
| 290 device_type_->SetVisible(false); | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 void HandleVolumeUp(int volume) { | |
| 295 CrasAudioHandler* audio_handler = CrasAudioHandler::Get(); | |
| 296 audio_handler->SetOutputVolumePercent(volume); | |
| 297 if (audio_handler->IsOutputMuted() && | |
| 298 !audio_handler->IsOutputVolumeBelowDefaultMuteLvel()) | |
| 299 audio_handler->SetOutputMute(false); | |
| 300 } | |
| 301 | |
| 302 void HandleVolumeDown(int volume) { | |
| 303 CrasAudioHandler* audio_handler = CrasAudioHandler::Get(); | |
| 304 audio_handler->SetOutputVolumePercent(volume); | |
| 305 if (audio_handler->IsOutputVolumeBelowDefaultMuteLvel() && | |
| 306 !audio_handler->IsOutputMuted()) { | |
| 307 audio_handler->SetOutputMute(true); | |
| 308 } else if (!audio_handler->IsOutputVolumeBelowDefaultMuteLvel() && | |
| 309 audio_handler->IsOutputMuted()) { | |
| 310 audio_handler->SetOutputMute(false); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 // Overridden from views::View. | |
| 315 virtual void Layout() OVERRIDE { | |
| 316 views::View::Layout(); | |
| 317 | |
| 318 if (!more_->visible()) { | |
| 319 int w = width() - slider_->bounds().x() - | |
| 320 kSliderRightPaddingToVolumeViewEdge; | |
| 321 slider_->SetSize(gfx::Size(w, slider_->height())); | |
| 322 return; | |
| 323 } | |
| 324 | |
| 325 // Make sure the chevron always has the full size. | |
| 326 gfx::Size size = more_->GetPreferredSize(); | |
| 327 gfx::Rect bounds(size); | |
| 328 bounds.set_x(width() - size.width() - kTrayPopupPaddingBetweenItems); | |
| 329 bounds.set_y((height() - size.height()) / 2); | |
| 330 more_->SetBoundsRect(bounds); | |
| 331 | |
| 332 // Layout either bar_ or device_type_ at the left of the more_ button. | |
| 333 views::View* view_left_to_more; | |
| 334 if (device_type_->visible()) | |
| 335 view_left_to_more = device_type_; | |
| 336 else | |
| 337 view_left_to_more = bar_; | |
| 338 gfx::Size view_size = view_left_to_more->GetPreferredSize(); | |
| 339 gfx::Rect view_bounds(view_size); | |
| 340 view_bounds.set_x(more_->bounds().x() - view_size.width() - | |
| 341 kExtraPaddingBetweenBarAndMore); | |
| 342 view_bounds.set_y((height() - view_size.height()) / 2); | |
| 343 view_left_to_more->SetBoundsRect(view_bounds); | |
| 344 | |
| 345 // Layout vertical bar next to view_left_to_more if device_type_ is visible. | |
| 346 if (device_type_->visible()) { | |
| 347 gfx::Size bar_size = bar_->GetPreferredSize(); | |
| 348 gfx::Rect bar_bounds(bar_size); | |
| 349 bar_bounds.set_x(view_left_to_more->bounds().x() - bar_size.width()); | |
| 350 bar_bounds.set_y((height() - bar_size.height()) / 2); | |
| 351 bar_->SetBoundsRect(bar_bounds); | |
| 352 } | |
| 353 | |
| 354 // Layout slider, calculate slider width. | |
| 355 gfx::Rect slider_bounds = slider_->bounds(); | |
| 356 slider_bounds.set_width( | |
| 357 bar_->bounds().x() | |
| 358 - (device_type_->visible() ? 0 : kTrayPopupPaddingBetweenItems) | |
| 359 - slider_bounds.x()); | |
| 360 slider_->SetBoundsRect(slider_bounds); | |
| 361 } | |
| 362 | |
| 363 // Overridden from views::ButtonListener. | |
| 364 virtual void ButtonPressed(views::Button* sender, | |
| 365 const ui::Event& event) OVERRIDE { | |
| 366 CHECK(sender == icon_); | |
| 367 bool mute_on = !IsAudioMuted(); | |
| 368 CrasAudioHandler::Get()->SetOutputMute(mute_on); | |
| 369 if (!mute_on) | |
| 370 CrasAudioHandler::Get()->AdjustOutputVolumeToAudibleLevel(); | |
| 371 } | |
| 372 | |
| 373 // Overridden from views:SliderListener. | |
| 374 virtual void SliderValueChanged(views::Slider* sender, | |
| 375 float value, | |
| 376 float old_value, | |
| 377 views::SliderChangeReason reason) OVERRIDE { | |
| 378 if (reason == views::VALUE_CHANGED_BY_USER) { | |
| 379 int volume = value * 100.0f; | |
| 380 int old_volume = CrasAudioHandler::Get()->GetOutputVolumePercent(); | |
| 381 // Do not call change audio volume if the difference is less than | |
| 382 // 1%, which is beyond cras audio api's granularity for output volume. | |
| 383 if (std::abs(volume - old_volume) < 1) | |
| 384 return; | |
| 385 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
| 386 is_default_view_ ? | |
| 387 ash::UMA_STATUS_AREA_CHANGED_VOLUME_MENU : | |
| 388 ash::UMA_STATUS_AREA_CHANGED_VOLUME_POPUP); | |
| 389 if (volume > old_volume) | |
| 390 HandleVolumeUp(volume); | |
| 391 else | |
| 392 HandleVolumeDown(volume); | |
| 393 } | |
| 394 icon_->Update(); | |
| 395 } | |
| 396 | |
| 397 // Overriden from ActionableView. | |
| 398 virtual bool PerformAction(const ui::Event& event) OVERRIDE { | |
| 399 if (!more_->visible()) | |
| 400 return false; | |
| 401 owner_->TransitionDetailedView(); | |
| 402 return true; | |
| 403 } | |
| 404 | |
| 405 SystemTrayItem* owner_; | |
| 406 VolumeButton* icon_; | |
| 407 VolumeSlider* slider_; | |
| 408 BarSeparator* bar_; | |
| 409 views::ImageView* device_type_; | |
| 410 views::ImageView* more_; | |
| 411 bool is_default_view_; | |
| 412 | |
| 413 DISALLOW_COPY_AND_ASSIGN(VolumeView); | |
| 414 }; | |
| 415 | |
| 416 class AudioDetailedView : public TrayDetailsView, | |
| 417 public ViewClickListener { | |
| 418 public: | |
| 419 AudioDetailedView(SystemTrayItem* owner, user::LoginStatus login) | |
| 420 : TrayDetailsView(owner), | |
| 421 login_(login) { | |
| 422 CreateItems(); | |
| 423 Update(); | |
| 424 } | |
| 425 | |
| 426 virtual ~AudioDetailedView() { | |
| 427 } | |
| 428 | |
| 429 void Update() { | |
| 430 UpdateAudioDevices(); | |
| 431 Layout(); | |
| 432 } | |
| 433 | |
| 434 private: | |
| 435 void CreateItems() { | |
| 436 CreateScrollableList(); | |
| 437 CreateHeaderEntry(); | |
| 438 } | |
| 439 | |
| 440 void CreateHeaderEntry() { | |
| 441 CreateSpecialRow(IDS_ASH_STATUS_TRAY_AUDIO, this); | |
| 442 } | |
| 443 | |
| 444 void UpdateAudioDevices() { | |
| 445 output_devices_.clear(); | |
| 446 input_devices_.clear(); | |
| 447 chromeos::AudioDeviceList devices; | |
| 448 CrasAudioHandler::Get()->GetAudioDevices(&devices); | |
| 449 for (size_t i = 0; i < devices.size(); ++i) { | |
| 450 if (devices[i].is_input) | |
| 451 input_devices_.push_back(devices[i]); | |
| 452 else | |
| 453 output_devices_.push_back(devices[i]); | |
| 454 } | |
| 455 UpdateScrollableList(); | |
| 456 } | |
| 457 | |
| 458 void UpdateScrollableList() { | |
| 459 scroll_content()->RemoveAllChildViews(true); | |
| 460 device_map_.clear(); | |
| 461 | |
| 462 // Add audio output devices. | |
| 463 AddScrollListInfoItem( | |
| 464 l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_AUDIO_OUTPUT)); | |
| 465 for (size_t i = 0; i < output_devices_.size(); ++i) { | |
| 466 HoverHighlightView* container = AddScrollListItem( | |
| 467 GetAudioDeviceName(output_devices_[i]), | |
| 468 gfx::Font::NORMAL, | |
| 469 output_devices_[i].active); /* checkmark if active */ | |
| 470 device_map_[container] = output_devices_[i]; | |
| 471 } | |
| 472 | |
| 473 AddScrollSeparator(); | |
| 474 | |
| 475 // Add audio input devices. | |
| 476 AddScrollListInfoItem( | |
| 477 l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_AUDIO_INPUT)); | |
| 478 for (size_t i = 0; i < input_devices_.size(); ++i) { | |
| 479 HoverHighlightView* container = AddScrollListItem( | |
| 480 GetAudioDeviceName(input_devices_[i]), | |
| 481 gfx::Font::NORMAL, | |
| 482 input_devices_[i].active); /* checkmark if active */ | |
| 483 device_map_[container] = input_devices_[i]; | |
| 484 } | |
| 485 | |
| 486 scroll_content()->SizeToPreferredSize(); | |
| 487 scroller()->Layout(); | |
| 488 } | |
| 489 | |
| 490 void AddScrollListInfoItem(const base::string16& text) { | |
| 491 views::Label* label = new views::Label( | |
| 492 text, | |
| 493 ui::ResourceBundle::GetSharedInstance().GetFontList( | |
| 494 ui::ResourceBundle::BoldFont)); | |
| 495 | |
| 496 // Align info item with checkbox items | |
| 497 int margin = kTrayPopupPaddingHorizontal + | |
| 498 kTrayPopupDetailsLabelExtraLeftMargin; | |
| 499 int left_margin = 0; | |
| 500 int right_margin = 0; | |
| 501 if (base::i18n::IsRTL()) | |
| 502 right_margin = margin; | |
| 503 else | |
| 504 left_margin = margin; | |
| 505 | |
| 506 label->SetBorder( | |
| 507 views::Border::CreateEmptyBorder(ash::kTrayPopupPaddingBetweenItems, | |
| 508 left_margin, | |
| 509 ash::kTrayPopupPaddingBetweenItems, | |
| 510 right_margin)); | |
| 511 label->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 512 label->SetEnabledColor(SkColorSetARGB(192, 0, 0, 0)); | |
| 513 | |
| 514 scroll_content()->AddChildView(label); | |
| 515 } | |
| 516 | |
| 517 HoverHighlightView* AddScrollListItem(const base::string16& text, | |
| 518 gfx::Font::FontStyle style, | |
| 519 bool checked) { | |
| 520 HoverHighlightView* container = new HoverHighlightView(this); | |
| 521 container->AddCheckableLabel(text, style, checked); | |
| 522 scroll_content()->AddChildView(container); | |
| 523 return container; | |
| 524 } | |
| 525 | |
| 526 // Overridden from ViewClickListener. | |
| 527 virtual void OnViewClicked(views::View* sender) OVERRIDE { | |
| 528 if (sender == footer()->content()) { | |
| 529 TransitionToDefaultView(); | |
| 530 } else { | |
| 531 AudioDeviceMap::iterator iter = device_map_.find(sender); | |
| 532 if (iter == device_map_.end()) | |
| 533 return; | |
| 534 chromeos::AudioDevice& device = iter->second; | |
| 535 CrasAudioHandler::Get()->SwitchToDevice(device); | |
| 536 } | |
| 537 } | |
| 538 | |
| 539 typedef std::map<views::View*, chromeos::AudioDevice> AudioDeviceMap; | |
| 540 | |
| 541 user::LoginStatus login_; | |
| 542 chromeos::AudioDeviceList output_devices_; | |
| 543 chromeos::AudioDeviceList input_devices_; | |
| 544 AudioDeviceMap device_map_; | |
| 545 | |
| 546 DISALLOW_COPY_AND_ASSIGN(AudioDetailedView); | |
| 547 }; | |
| 548 | |
| 549 } // namespace tray | |
| 550 | |
| 551 TrayAudio::TrayAudio(SystemTray* system_tray) | |
| 552 : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_VOLUME_MUTE), | |
| 553 volume_view_(NULL), | |
| 554 audio_detail_(NULL), | |
| 555 pop_up_volume_view_(false) { | |
| 556 CrasAudioHandler::Get()->AddAudioObserver(this); | |
| 557 } | |
| 558 | |
| 559 TrayAudio::~TrayAudio() { | |
| 560 if (CrasAudioHandler::IsInitialized()) | |
| 561 CrasAudioHandler::Get()->RemoveAudioObserver(this); | |
| 562 } | |
| 563 | |
| 564 bool TrayAudio::GetInitialVisibility() { | |
| 565 return IsAudioMuted(); | |
| 566 } | |
| 567 | |
| 568 views::View* TrayAudio::CreateDefaultView(user::LoginStatus status) { | |
| 569 volume_view_ = new tray::VolumeView(this, true); | |
| 570 return volume_view_; | |
| 571 } | |
| 572 | |
| 573 views::View* TrayAudio::CreateDetailedView(user::LoginStatus status) { | |
| 574 if (!ash::switches::ShowAudioDeviceMenu() || pop_up_volume_view_) { | |
| 575 volume_view_ = new tray::VolumeView(this, false); | |
| 576 return volume_view_; | |
| 577 } else { | |
| 578 Shell::GetInstance()->metrics()->RecordUserMetricsAction( | |
| 579 ash::UMA_STATUS_AREA_DETAILED_AUDIO_VIEW); | |
| 580 audio_detail_ = new tray::AudioDetailedView(this, status); | |
| 581 return audio_detail_; | |
| 582 } | |
| 583 } | |
| 584 | |
| 585 void TrayAudio::DestroyDefaultView() { | |
| 586 volume_view_ = NULL; | |
| 587 } | |
| 588 | |
| 589 void TrayAudio::DestroyDetailedView() { | |
| 590 if (audio_detail_) { | |
| 591 audio_detail_ = NULL; | |
| 592 } else if (volume_view_) { | |
| 593 volume_view_ = NULL; | |
| 594 pop_up_volume_view_ = false; | |
| 595 } | |
| 596 } | |
| 597 | |
| 598 bool TrayAudio::ShouldHideArrow() const { | |
| 599 return true; | |
| 600 } | |
| 601 | |
| 602 bool TrayAudio::ShouldShowShelf() const { | |
| 603 return ash::switches::ShowAudioDeviceMenu() && !pop_up_volume_view_; | |
| 604 } | |
| 605 | |
| 606 void TrayAudio::OnOutputVolumeChanged() { | |
| 607 float percent = GetVolumeLevel(); | |
| 608 if (tray_view()) | |
| 609 tray_view()->SetVisible(GetInitialVisibility()); | |
| 610 | |
| 611 if (volume_view_) { | |
| 612 volume_view_->SetVolumeLevel(percent); | |
| 613 SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds); | |
| 614 return; | |
| 615 } | |
| 616 pop_up_volume_view_ = true; | |
| 617 PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false); | |
| 618 } | |
| 619 | |
| 620 void TrayAudio::OnOutputMuteChanged() { | |
| 621 if (tray_view()) | |
| 622 tray_view()->SetVisible(GetInitialVisibility()); | |
| 623 | |
| 624 if (volume_view_) { | |
| 625 volume_view_->Update(); | |
| 626 SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds); | |
| 627 } else { | |
| 628 pop_up_volume_view_ = true; | |
| 629 PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false); | |
| 630 } | |
| 631 } | |
| 632 | |
| 633 void TrayAudio::OnInputGainChanged() { | |
| 634 } | |
| 635 | |
| 636 void TrayAudio::OnInputMuteChanged() { | |
| 637 } | |
| 638 | |
| 639 void TrayAudio::OnAudioNodesChanged() { | |
| 640 Update(); | |
| 641 } | |
| 642 | |
| 643 void TrayAudio::OnActiveOutputNodeChanged() { | |
| 644 Update(); | |
| 645 } | |
| 646 | |
| 647 void TrayAudio::OnActiveInputNodeChanged() { | |
| 648 Update(); | |
| 649 } | |
| 650 | |
| 651 void TrayAudio::Update() { | |
| 652 if (tray_view()) | |
| 653 tray_view()->SetVisible(GetInitialVisibility()); | |
| 654 if (audio_detail_) | |
| 655 audio_detail_->Update(); | |
| 656 if (volume_view_) { | |
| 657 volume_view_->SetVolumeLevel(GetVolumeLevel()); | |
| 658 volume_view_->Update(); | |
| 659 } | |
| 660 } | |
| 661 | |
| 662 } // namespace internal | |
| 663 } // namespace ash | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 163953007:
Refactor the TrayAudio code so that it can be used by other platforms. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src