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| 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 "ash/common/system/chromeos/audio/volume_view.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "ash/common/metrics/user_metrics_action.h" | |
| 10 #include "ash/common/system/chromeos/audio/tray_audio_delegate.h" | |
| 11 #include "ash/common/system/tray/actionable_view.h" | |
| 12 #include "ash/common/system/tray/system_tray_item.h" | |
| 13 #include "ash/common/system/tray/tray_constants.h" | |
| 14 #include "ash/common/system/tray/tray_popup_item_container.h" | |
| 15 #include "ash/common/system/tray/tray_popup_utils.h" | |
| 16 #include "ash/common/system/tray/tri_view.h" | |
| 17 #include "ash/common/wm_shell.h" | |
| 18 #include "ash/resources/vector_icons/vector_icons.h" | |
| 19 #include "ash/strings/grit/ash_strings.h" | |
| 20 #include "ui/accessibility/ax_node_data.h" | |
| 21 #include "ui/base/l10n/l10n_util.h" | |
| 22 #include "ui/gfx/paint_vector_icon.h" | |
| 23 #include "ui/gfx/vector_icon_types.h" | |
| 24 #include "ui/views/background.h" | |
| 25 #include "ui/views/border.h" | |
| 26 #include "ui/views/controls/button/custom_button.h" | |
| 27 #include "ui/views/controls/image_view.h" | |
| 28 #include "ui/views/controls/slider.h" | |
| 29 #include "ui/views/layout/fill_layout.h" | |
| 30 | |
| 31 namespace { | |
| 32 | |
| 33 const gfx::VectorIcon* const kVolumeLevelIcons[] = { | |
| 34 &ash::kSystemMenuVolumeMuteIcon, // Muted. | |
| 35 &ash::kSystemMenuVolumeLowIcon, // Low volume. | |
| 36 &ash::kSystemMenuVolumeMediumIcon, // Medium volume. | |
| 37 &ash::kSystemMenuVolumeHighIcon, // High volume. | |
| 38 &ash::kSystemMenuVolumeHighIcon, // Full volume. | |
| 39 }; | |
| 40 | |
| 41 } // namespace | |
| 42 | |
| 43 namespace ash { | |
| 44 namespace tray { | |
| 45 | |
| 46 class VolumeButton : public ButtonListenerActionableView { | |
| 47 public: | |
| 48 VolumeButton(SystemTrayItem* owner, | |
| 49 views::ButtonListener* listener, | |
| 50 system::TrayAudioDelegate* audio_delegate) | |
| 51 : ButtonListenerActionableView(owner, | |
| 52 TrayPopupInkDropStyle::HOST_CENTERED, | |
| 53 listener), | |
| 54 audio_delegate_(audio_delegate), | |
| 55 image_(TrayPopupUtils::CreateMainImageView()), | |
| 56 image_index_(-1) { | |
| 57 TrayPopupUtils::ConfigureContainer(TriView::Container::START, this); | |
| 58 AddChildView(image_); | |
| 59 SetInkDropMode(InkDropMode::ON); | |
| 60 Update(); | |
| 61 | |
| 62 set_notify_enter_exit_on_child(true); | |
| 63 } | |
| 64 | |
| 65 ~VolumeButton() override {} | |
| 66 | |
| 67 void Update() { | |
| 68 float level = | |
| 69 static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f; | |
| 70 int volume_levels = arraysize(kVolumeLevelIcons) - 1; | |
| 71 int image_index = | |
| 72 audio_delegate_->IsOutputAudioMuted() | |
| 73 ? 0 | |
| 74 : (level == 1.0 ? volume_levels | |
| 75 : std::max(1, static_cast<int>(std::ceil( | |
| 76 level * (volume_levels - 1))))); | |
| 77 gfx::ImageSkia image_skia = | |
| 78 gfx::CreateVectorIcon(*kVolumeLevelIcons[image_index], kMenuIconColor); | |
| 79 image_->SetImage(&image_skia); | |
| 80 image_index_ = image_index; | |
| 81 } | |
| 82 | |
| 83 private: | |
| 84 // views::View: | |
| 85 void GetAccessibleNodeData(ui::AXNodeData* node_data) override { | |
| 86 node_data->SetName( | |
| 87 l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VOLUME_MUTE)); | |
| 88 node_data->role = ui::AX_ROLE_TOGGLE_BUTTON; | |
| 89 if (audio_delegate_->IsOutputAudioMuted()) | |
| 90 node_data->AddStateFlag(ui::AX_STATE_PRESSED); | |
| 91 } | |
| 92 | |
| 93 system::TrayAudioDelegate* audio_delegate_; | |
| 94 views::ImageView* image_; | |
| 95 int image_index_; | |
| 96 | |
| 97 DISALLOW_COPY_AND_ASSIGN(VolumeButton); | |
| 98 }; | |
| 99 | |
| 100 VolumeView::VolumeView(SystemTrayItem* owner, | |
| 101 system::TrayAudioDelegate* audio_delegate, | |
| 102 bool is_default_view) | |
| 103 : owner_(owner), | |
| 104 tri_view_(TrayPopupUtils::CreateMultiTargetRowView()), | |
| 105 audio_delegate_(audio_delegate), | |
| 106 more_button_(nullptr), | |
| 107 icon_(nullptr), | |
| 108 slider_(nullptr), | |
| 109 device_type_(nullptr), | |
| 110 is_default_view_(is_default_view) { | |
| 111 SetLayoutManager(new views::FillLayout); | |
| 112 AddChildView(tri_view_); | |
| 113 | |
| 114 icon_ = new VolumeButton(owner, this, audio_delegate_); | |
| 115 tri_view_->AddView(TriView::Container::START, icon_); | |
| 116 | |
| 117 slider_ = TrayPopupUtils::CreateSlider(this); | |
| 118 slider_->SetValue( | |
| 119 static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f); | |
| 120 slider_->SetAccessibleName( | |
| 121 l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VOLUME)); | |
| 122 tri_view_->AddView(TriView::Container::CENTER, slider_); | |
| 123 | |
| 124 set_background(views::Background::CreateSolidBackground(kBackgroundColor)); | |
| 125 | |
| 126 if (!is_default_view_) { | |
| 127 tri_view_->SetContainerVisible(TriView::Container::END, false); | |
| 128 Update(); | |
| 129 return; | |
| 130 } | |
| 131 | |
| 132 more_button_ = new ButtonListenerActionableView( | |
| 133 owner_, TrayPopupInkDropStyle::INSET_BOUNDS, this); | |
| 134 TrayPopupUtils::ConfigureContainer(TriView::Container::END, more_button_); | |
| 135 | |
| 136 more_button_->SetInkDropMode(views::InkDropHostView::InkDropMode::ON); | |
| 137 more_button_->SetBorder(views::CreateEmptyBorder(gfx::Insets( | |
| 138 0, kTrayPopupButtonEndMargin))); | |
| 139 tri_view_->AddView(TriView::Container::END, more_button_); | |
| 140 | |
| 141 device_type_ = TrayPopupUtils::CreateMoreImageView(); | |
| 142 device_type_->SetVisible(false); | |
| 143 more_button_->AddChildView(device_type_); | |
| 144 | |
| 145 more_button_->AddChildView(TrayPopupUtils::CreateMoreImageView()); | |
| 146 | |
| 147 Update(); | |
| 148 } | |
| 149 | |
| 150 VolumeView::~VolumeView() {} | |
| 151 | |
| 152 void VolumeView::Update() { | |
| 153 icon_->Update(); | |
| 154 slider_->UpdateState(!audio_delegate_->IsOutputAudioMuted()); | |
| 155 UpdateDeviceTypeAndMore(); | |
| 156 Layout(); | |
| 157 } | |
| 158 | |
| 159 void VolumeView::SetVolumeLevel(float percent) { | |
| 160 // Update volume level to the current audio level. | |
| 161 Update(); | |
| 162 | |
| 163 // Slider's value is in finer granularity than audio volume level(0.01), | |
| 164 // there will be a small discrepancy between slider's value and volume level | |
| 165 // on audio side. To avoid the jittering in slider UI, do not set change | |
| 166 // slider value if the change is less than 1%. | |
| 167 if (std::abs(percent - slider_->value()) < 0.01) | |
| 168 return; | |
| 169 slider_->SetValue(percent); | |
| 170 // It is possible that the volume was (un)muted, but the actual volume level | |
| 171 // did not change. In that case, setting the value of the slider won't | |
| 172 // trigger an update. So explicitly trigger an update. | |
| 173 Update(); | |
| 174 slider_->set_enable_accessibility_events(true); | |
| 175 } | |
| 176 | |
| 177 void VolumeView::UpdateDeviceTypeAndMore() { | |
| 178 bool show_more = is_default_view_ && audio_delegate_->HasAlternativeSources(); | |
| 179 | |
| 180 if (!show_more) | |
| 181 return; | |
| 182 | |
| 183 const gfx::VectorIcon& device_icon = | |
| 184 audio_delegate_->GetActiveOutputDeviceVectorIcon(); | |
| 185 const bool target_visibility = !device_icon.is_empty(); | |
| 186 if (target_visibility) | |
| 187 device_type_->SetImage(gfx::CreateVectorIcon(device_icon, kMenuIconColor)); | |
| 188 if (device_type_->visible() != target_visibility) { | |
| 189 device_type_->SetVisible(target_visibility); | |
| 190 device_type_->InvalidateLayout(); | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 void VolumeView::HandleVolumeUp(int level) { | |
| 195 audio_delegate_->SetOutputVolumeLevel(level); | |
| 196 if (audio_delegate_->IsOutputAudioMuted() && | |
| 197 level > audio_delegate_->GetOutputDefaultVolumeMuteLevel()) { | |
| 198 audio_delegate_->SetOutputAudioIsMuted(false); | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 void VolumeView::HandleVolumeDown(int level) { | |
| 203 audio_delegate_->SetOutputVolumeLevel(level); | |
| 204 if (!audio_delegate_->IsOutputAudioMuted() && | |
| 205 level <= audio_delegate_->GetOutputDefaultVolumeMuteLevel()) { | |
| 206 audio_delegate_->SetOutputAudioIsMuted(true); | |
| 207 } else if (audio_delegate_->IsOutputAudioMuted() && | |
| 208 level > audio_delegate_->GetOutputDefaultVolumeMuteLevel()) { | |
| 209 audio_delegate_->SetOutputAudioIsMuted(false); | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 void VolumeView::ButtonPressed(views::Button* sender, const ui::Event& event) { | |
| 214 if (sender == icon_) { | |
| 215 bool mute_on = !audio_delegate_->IsOutputAudioMuted(); | |
| 216 audio_delegate_->SetOutputAudioIsMuted(mute_on); | |
| 217 if (!mute_on) | |
| 218 audio_delegate_->AdjustOutputVolumeToAudibleLevel(); | |
| 219 icon_->Update(); | |
| 220 } else if (sender == more_button_) { | |
| 221 owner_->TransitionDetailedView(); | |
| 222 } else { | |
| 223 NOTREACHED() << "Unexpected sender=" << sender->GetClassName() << "."; | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 void VolumeView::SliderValueChanged(views::Slider* sender, | |
| 228 float value, | |
| 229 float old_value, | |
| 230 views::SliderChangeReason reason) { | |
| 231 if (reason == views::VALUE_CHANGED_BY_USER) { | |
| 232 int new_volume = static_cast<int>(value * 100); | |
| 233 int current_volume = audio_delegate_->GetOutputVolumeLevel(); | |
| 234 if (new_volume == current_volume) | |
| 235 return; | |
| 236 WmShell::Get()->RecordUserMetricsAction( | |
| 237 is_default_view_ ? UMA_STATUS_AREA_CHANGED_VOLUME_MENU | |
| 238 : UMA_STATUS_AREA_CHANGED_VOLUME_POPUP); | |
| 239 if (new_volume > current_volume) | |
| 240 HandleVolumeUp(new_volume); | |
| 241 else | |
| 242 HandleVolumeDown(new_volume); | |
| 243 } | |
| 244 icon_->Update(); | |
| 245 } | |
| 246 | |
| 247 } // namespace tray | |
| 248 } // namespace ash | |
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Chromium Code Reviews
Issue 2732813002:
chromeos: Move files in //ash/common to //ash, part 1 (Closed)
