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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "ash/system/network/network_icon.h"
- #include <tuple>
- #include <utility>
- #include "ash/constants/ash_features.h"
- #include "ash/public/cpp/network_icon_image_source.h"
- #include "ash/resources/vector_icons/vector_icons.h"
- #include "ash/strings/grit/ash_strings.h"
- #include "ash/style/ash_color_provider.h"
- #include "ash/style/dark_light_mode_controller_impl.h"
- #include "ash/system/network/network_icon_animation.h"
- #include "ash/system/network/network_icon_animation_observer.h"
- #include "ash/system/tray/tray_constants.h"
- #include "base/containers/flat_map.h"
- #include "base/cxx17_backports.h"
- #include "base/memory/ptr_util.h"
- #include "base/strings/utf_string_conversions.h"
- #include "chromeos/services/network_config/public/cpp/cros_network_config_util.h"
- #include "chromeos/services/network_config/public/mojom/cros_network_config.mojom.h"
- #include "components/onc/onc_constants.h"
- #include "components/vector_icons/vector_icons.h"
- #include "ui/base/l10n/l10n_util.h"
- #include "ui/gfx/geometry/skia_conversions.h"
- #include "ui/gfx/image/image_skia.h"
- #include "ui/gfx/image/image_skia_operations.h"
- #include "ui/gfx/image/image_skia_source.h"
- #include "ui/gfx/paint_vector_icon.h"
- #include "ui/gfx/vector_icon_types.h"
- using chromeos::network_config::mojom::ActivationStateType;
- using chromeos::network_config::mojom::ConnectionStateType;
- using chromeos::network_config::mojom::NetworkStateProperties;
- using chromeos::network_config::mojom::NetworkType;
- using chromeos::network_config::mojom::SecurityType;
- namespace ash {
- namespace network_icon {
- namespace {
- // class used for maintaining a map of network state and images.
- class NetworkIconImpl {
- public:
- NetworkIconImpl(const std::string& guid,
- IconType icon_type,
- NetworkType network_type);
- NetworkIconImpl(const NetworkIconImpl&) = delete;
- NetworkIconImpl& operator=(const NetworkIconImpl&) = delete;
- // Determines whether or not the associated network might be dirty and if so
- // updates and generates the icon. Does nothing if network no longer exists.
- void Update(const NetworkStateProperties* network, bool show_vpn_badge);
- const gfx::ImageSkia& image() const { return image_; }
- private:
- // Updates |strength_index_| for wireless networks. Returns true if changed.
- bool UpdateWirelessStrengthIndex(const NetworkStateProperties* network);
- // Updates the local state for cellular networks. Returns true if changed.
- bool UpdateCellularState(const NetworkStateProperties* network);
- // Gets |badges| based on |network| and the current state.
- void GetBadges(const NetworkStateProperties* network, Badges* badges);
- // Gets the appropriate icon and badges and composites the image.
- void GenerateImage(const NetworkStateProperties* network);
- // Defines color theme and VPN badging
- const IconType icon_type_;
- // Cached state of the network when the icon was last generated.
- ConnectionStateType connection_state_ = ConnectionStateType::kNotConnected;
- int strength_index_ = -1;
- Badge technology_badge_ = {};
- bool show_vpn_badge_ = false;
- bool is_roaming_ = false;
- bool is_dark_themed_ = false;
- // Generated icon image.
- gfx::ImageSkia image_;
- };
- //------------------------------------------------------------------------------
- // Maintain a static (global) icon map. Note: Icons are never destroyed;
- // it is assumed that a finite and reasonable number of network icons will be
- // created during a session.
- typedef std::map<std::string, NetworkIconImpl*> NetworkIconMap;
- NetworkIconMap* GetIconMapInstance(IconType icon_type, bool create) {
- typedef std::map<IconType, NetworkIconMap*> IconTypeMap;
- static IconTypeMap* s_icon_map = nullptr;
- if (s_icon_map == nullptr) {
- if (!create)
- return nullptr;
- s_icon_map = new IconTypeMap;
- }
- if (s_icon_map->count(icon_type) == 0) {
- if (!create)
- return nullptr;
- (*s_icon_map)[icon_type] = new NetworkIconMap;
- }
- return (*s_icon_map)[icon_type];
- }
- NetworkIconMap* GetIconMap(IconType icon_type) {
- return GetIconMapInstance(icon_type, true);
- }
- void PurgeIconMap(IconType icon_type,
- const std::set<std::string>& network_guids) {
- NetworkIconMap* icon_map = GetIconMapInstance(icon_type, false);
- if (!icon_map)
- return;
- for (NetworkIconMap::iterator loop_iter = icon_map->begin();
- loop_iter != icon_map->end();) {
- NetworkIconMap::iterator cur_iter = loop_iter++;
- if (network_guids.count(cur_iter->first) == 0) {
- delete cur_iter->second;
- icon_map->erase(cur_iter);
- }
- }
- }
- //------------------------------------------------------------------------------
- // Utilities for generating icon images.
- // Amount to fade icons while connecting.
- const double kConnectingImageAlpha = 0.5;
- // Number of discrete images to use for alpha fade animation
- const int kNumFadeImages = 10;
- bool IsTrayIcon(IconType icon_type) {
- return icon_type == ICON_TYPE_TRAY_REGULAR ||
- icon_type == ICON_TYPE_TRAY_OOBE;
- }
- bool IconTypeHasVPNBadge(IconType icon_type) {
- return (icon_type != ICON_TYPE_LIST && icon_type != ICON_TYPE_MENU_LIST);
- }
- gfx::ImageSkia CreateNetworkIconImage(const gfx::ImageSkia& icon,
- const Badges& badges) {
- return gfx::CanvasImageSource::MakeImageSkia<NetworkIconImageSource>(
- icon.size(), icon, badges);
- }
- //------------------------------------------------------------------------------
- // Utilities for extracting icon images.
- ImageType ImageTypeForNetworkType(NetworkType network_type) {
- if (network_type == NetworkType::kWiFi)
- return ARCS;
- if (network_type == NetworkType::kCellular ||
- network_type == NetworkType::kTether) {
- return BARS;
- }
- return NONE;
- }
- gfx::ImageSkia GetImageForIndex(ImageType image_type,
- IconType icon_type,
- int index) {
- return gfx::CanvasImageSource::MakeImageSkia<SignalStrengthImageSource>(
- image_type, GetDefaultColorForIconType(icon_type),
- gfx::Size(kUnifiedTrayIconSize, kUnifiedTrayIconSize), index,
- kUnifiedTrayNetworkIconPadding);
- }
- gfx::ImageSkia& ConnectingWirelessImage(ImageType image_type,
- IconType icon_type,
- double animation) {
- // Connecting icons animate by adjusting their signal strength up and down,
- // but the empty (no signal) image is skipped for aesthetic reasons.
- static const int kNumConnectingImages = kNumNetworkImages - 1;
- // Cache of images used to avoid redrawing the icon during every animation;
- // the key is a tuple including a bool representing whether the icon displays
- // bars (as oppose to arcs), the IconType, and an int representing the index
- // of the image (with respect to GetImageForIndex()).
- static base::flat_map<std::tuple<bool, IconType, int>, gfx::ImageSkia>
- s_image_cache;
- // Note that if |image_type| is NONE, arcs are displayed by default.
- bool is_bars_image = image_type == BARS;
- int index =
- animation * nextafter(static_cast<float>(kNumConnectingImages), 0);
- index = base::clamp(index, 0, kNumConnectingImages - 1);
- auto map_key = std::make_tuple(is_bars_image, icon_type, index);
- if (!s_image_cache.contains(map_key)) {
- // Lazily cache images.
- // TODO(estade): should the alpha be applied in SignalStrengthImageSource?
- gfx::ImageSkia source = GetImageForIndex(image_type, icon_type, index + 1);
- s_image_cache[map_key] =
- gfx::ImageSkia(gfx::ImageSkiaOperations::CreateTransparentImage(
- source, kConnectingImageAlpha));
- }
- return s_image_cache[map_key];
- }
- gfx::ImageSkia ConnectingVpnImage(double animation) {
- float floored_animation_value =
- std::floor(animation * kNumFadeImages) / kNumFadeImages;
- const SkColor icon_color = AshColorProvider::Get()->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kIconColorPrimary);
- return gfx::CreateVectorIcon(
- kNetworkVpnIcon,
- gfx::Tween::ColorValueBetween(
- floored_animation_value,
- SkColorSetA(icon_color, kConnectingImageAlpha), icon_color));
- }
- int StrengthIndex(int strength) {
- if (strength <= 0)
- return 0;
- if (strength >= 100)
- return kNumNetworkImages - 1;
- // Return an index in the range [1, kNumNetworkImages - 1].
- // This logic is equivalent to network_icon.js:strengthToIndex_().
- int zero_based_index = (strength - 1) * (kNumNetworkImages - 1) / 100;
- return zero_based_index + 1;
- }
- Badge BadgeForNetworkTechnology(const NetworkStateProperties* network,
- IconType icon_type) {
- DCHECK(network->type == NetworkType::kCellular);
- Badge badge = {nullptr, GetDefaultColorForIconType(icon_type)};
- const std::string& technology =
- network->type_state->get_cellular()->network_technology;
- if (technology == onc::cellular::kTechnologyEvdo) {
- badge.icon = &kNetworkBadgeTechnologyEvdoIcon;
- } else if (technology == onc::cellular::kTechnologyCdma1Xrtt) {
- badge.icon = &kNetworkBadgeTechnology1xIcon;
- } else if (technology == onc::cellular::kTechnologyGprs ||
- technology == onc::cellular::kTechnologyGsm) {
- badge.icon = &kNetworkBadgeTechnologyGprsIcon;
- } else if (technology == onc::cellular::kTechnologyEdge) {
- badge.icon = &kNetworkBadgeTechnologyEdgeIcon;
- } else if (technology == onc::cellular::kTechnologyUmts) {
- badge.icon = &kNetworkBadgeTechnology3gIcon;
- } else if (technology == onc::cellular::kTechnologyHspa) {
- badge.icon = &kNetworkBadgeTechnologyHspaIcon;
- } else if (technology == onc::cellular::kTechnologyHspaPlus) {
- badge.icon = &kNetworkBadgeTechnologyHspaPlusIcon;
- } else if (technology == onc::cellular::kTechnologyLte) {
- badge.icon = &kNetworkBadgeTechnologyLteIcon;
- } else if (technology == onc::cellular::kTechnologyLteAdvanced) {
- badge.icon = &kNetworkBadgeTechnologyLteAdvancedIcon;
- } else if (technology == onc::cellular::kTechnology5gNr) {
- badge.icon = &kNetworkBadgeTechnology5gIcon;
- } else {
- return {};
- }
- return badge;
- }
- gfx::ImageSkia GetIcon(const NetworkStateProperties* network,
- IconType icon_type,
- int strength_index) {
- if (network->type == NetworkType::kEthernet) {
- return gfx::CreateVectorIcon(vector_icons::kEthernetIcon,
- GetDefaultColorForIconType(icon_type));
- }
- if (network->type == NetworkType::kVPN) {
- DCHECK(!IsTrayIcon(icon_type));
- return gfx::CreateVectorIcon(kNetworkVpnIcon,
- GetDefaultColorForIconType(ICON_TYPE_LIST));
- }
- DCHECK_GE(strength_index, 0)
- << "Strength not set for type: " << network->type;
- DCHECK_LT(strength_index, kNumNetworkImages);
- return GetImageForIndex(ImageTypeForNetworkType(network->type), icon_type,
- strength_index);
- }
- gfx::ImageSkia GetConnectingVpnImage(IconType icon_type) {
- double animation = NetworkIconAnimation::GetInstance()->GetAnimation();
- gfx::ImageSkia icon = ConnectingVpnImage(animation);
- return CreateNetworkIconImage(icon, Badges());
- }
- } // namespace
- //------------------------------------------------------------------------------
- // NetworkIconImpl
- NetworkIconImpl::NetworkIconImpl(const std::string& guid,
- IconType icon_type,
- NetworkType network_type)
- : icon_type_(icon_type),
- is_dark_themed_(DarkLightModeControllerImpl::Get()->IsDarkModeEnabled()) {
- // Default image is null.
- }
- void NetworkIconImpl::Update(const NetworkStateProperties* network,
- bool show_vpn_badge) {
- // Determine whether or not we need to update the icon.
- bool dirty = image_.isNull();
- if (network->connection_state != connection_state_) {
- VLOG(2) << "Update connection state: "
- << static_cast<int>(network->connection_state);
- connection_state_ = network->connection_state;
- dirty = true;
- }
- NetworkType type = network->type;
- if (chromeos::network_config::NetworkTypeMatchesType(
- type, NetworkType::kWireless)) {
- dirty |= UpdateWirelessStrengthIndex(network);
- }
- if (type == NetworkType::kCellular)
- dirty |= UpdateCellularState(network);
- bool new_show_vpn_badge = show_vpn_badge && IconTypeHasVPNBadge(icon_type_);
- if (new_show_vpn_badge != show_vpn_badge_) {
- VLOG(2) << "Update VPN badge: " << new_show_vpn_badge;
- show_vpn_badge_ = new_show_vpn_badge;
- dirty = true;
- }
- const bool is_dark_themed =
- DarkLightModeControllerImpl::Get()->IsDarkModeEnabled();
- if (is_dark_themed_ != is_dark_themed) {
- is_dark_themed_ = is_dark_themed;
- dirty = true;
- }
- if (dirty) {
- // Set the icon and badges based on the network and generate the image.
- GenerateImage(network);
- }
- }
- bool NetworkIconImpl::UpdateWirelessStrengthIndex(
- const NetworkStateProperties* network) {
- int index = StrengthIndex(
- chromeos::network_config::GetWirelessSignalStrength(network));
- if (index != strength_index_) {
- VLOG(2) << "New strength index: " << index;
- strength_index_ = index;
- return true;
- }
- return false;
- }
- bool NetworkIconImpl::UpdateCellularState(
- const NetworkStateProperties* network) {
- bool dirty = false;
- if (!features::IsSeparateNetworkIconsEnabled()) {
- const Badge technology_badge =
- BadgeForNetworkTechnology(network, icon_type_);
- if (technology_badge != technology_badge_) {
- VLOG(2) << "New technology badge.";
- technology_badge_ = technology_badge;
- dirty = true;
- }
- }
- bool roaming = network->type_state->get_cellular()->roaming;
- if (roaming != is_roaming_) {
- VLOG(2) << "New is_roaming: " << roaming;
- is_roaming_ = roaming;
- dirty = true;
- }
- return dirty;
- }
- void NetworkIconImpl::GetBadges(const NetworkStateProperties* network,
- Badges* badges) {
- const NetworkType type = network->type;
- const SkColor icon_color = GetDefaultColorForIconType(icon_type_);
- bool is_connected =
- chromeos::network_config::StateIsConnected(network->connection_state);
- if (type == NetworkType::kWiFi) {
- if (network->type_state->get_wifi()->security != SecurityType::kNone &&
- !IsTrayIcon(icon_type_)) {
- badges->bottom_right = {&kUnifiedNetworkBadgeSecureIcon, icon_color};
- }
- } else if (type == NetworkType::kCellular) {
- // technology_badge_ is set in UpdateCellularState.
- if (is_connected && network->type_state->get_cellular()->roaming) {
- badges->top_left = {&kNetworkBadgeRoamingIcon, icon_color};
- } else if (is_connected && !features::IsSeparateNetworkIconsEnabled()) {
- // Only show technology badge when connected and roaming is not active.
- badges->top_left = technology_badge_;
- }
- }
- if (show_vpn_badge_)
- badges->bottom_left = {&kUnifiedNetworkBadgeVpnIcon, icon_color};
- if (connection_state_ == ConnectionStateType::kPortal)
- badges->bottom_right = {&kUnifiedNetworkBadgeCaptivePortalIcon, icon_color};
- }
- void NetworkIconImpl::GenerateImage(const NetworkStateProperties* network) {
- gfx::ImageSkia icon = GetIcon(network, icon_type_, strength_index_);
- Badges badges;
- GetBadges(network, &badges);
- image_ = CreateNetworkIconImage(icon, badges);
- }
- namespace {
- NetworkIconImpl* FindAndUpdateImageImpl(const NetworkStateProperties* network,
- IconType icon_type,
- bool show_vpn_badge) {
- // Find or add the icon.
- NetworkIconMap* icon_map = GetIconMap(icon_type);
- NetworkIconImpl* icon;
- NetworkIconMap::iterator iter = icon_map->find(network->guid);
- if (iter == icon_map->end()) {
- VLOG(1) << "new NetworkIconImpl: " << network->name;
- icon = new NetworkIconImpl(network->guid, icon_type, network->type);
- icon_map->insert(std::make_pair(network->guid, icon));
- } else {
- VLOG(1) << "found NetworkIconImpl: " << network->name;
- icon = iter->second;
- }
- // Update and return the icon's image.
- icon->Update(network, show_vpn_badge);
- return icon;
- }
- } // namespace
- //------------------------------------------------------------------------------
- // Public interface
- SkColor GetDefaultColorForIconType(IconType icon_type) {
- auto* ash_color_provider = AshColorProvider::Get();
- switch (icon_type) {
- case ICON_TYPE_TRAY_OOBE:
- return kIconColorInOobe;
- case ICON_TYPE_FEATURE_POD:
- return ash_color_provider->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kButtonIconColor);
- case ICON_TYPE_FEATURE_POD_TOGGLED:
- return ash_color_provider->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kButtonIconColorPrimary);
- case ICON_TYPE_FEATURE_POD_DISABLED:
- return color_utils::GetResultingPaintColor(
- AshColorProvider::GetDisabledColor(
- GetDefaultColorForIconType(ICON_TYPE_FEATURE_POD)),
- ash_color_provider->GetBackgroundColor());
- default:
- return ash_color_provider->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kIconColorPrimary);
- }
- }
- const gfx::ImageSkia GetBasicImage(IconType icon_type,
- NetworkType network_type,
- bool connected) {
- DCHECK_NE(NetworkType::kVPN, network_type);
- return GetImageForIndex(ImageTypeForNetworkType(network_type), icon_type,
- connected ? kNumNetworkImages - 1 : 0);
- }
- gfx::ImageSkia GetImageForNonVirtualNetwork(
- const NetworkStateProperties* network,
- IconType icon_type,
- bool show_vpn_badge,
- bool* animating) {
- DCHECK_NE(NetworkType::kVPN, network->type);
- NetworkType network_type = network->type;
- if (network->connection_state == ConnectionStateType::kConnecting) {
- if (animating)
- *animating = true;
- return GetConnectingImageForNetworkType(network_type, icon_type);
- }
- NetworkIconImpl* icon =
- FindAndUpdateImageImpl(network, icon_type, show_vpn_badge);
- if (animating)
- *animating = false;
- return icon->image();
- }
- gfx::ImageSkia GetImageForVPN(const NetworkStateProperties* vpn,
- IconType icon_type,
- bool* animating) {
- DCHECK_EQ(NetworkType::kVPN, vpn->type);
- if (vpn->connection_state == ConnectionStateType::kConnecting) {
- if (animating)
- *animating = true;
- return GetConnectingVpnImage(icon_type);
- }
- NetworkIconImpl* icon =
- FindAndUpdateImageImpl(vpn, icon_type, false /* show_vpn_badge */);
- if (animating)
- *animating = false;
- return icon->image();
- }
- gfx::ImageSkia GetImageForWiFiNoConnections(IconType icon_type) {
- return gfx::CreateVectorIcon(kUnifiedMenuWifiNoConnectionIcon,
- GetDefaultColorForIconType(icon_type));
- }
- gfx::ImageSkia GetImageForWiFiEnabledState(bool enabled, IconType icon_type) {
- if (!enabled) {
- return gfx::CreateVectorIcon(kUnifiedMenuWifiOffIcon, kUnifiedTrayIconSize,
- GetDefaultColorForIconType(icon_type));
- }
- gfx::ImageSkia image =
- GetBasicImage(icon_type, NetworkType::kWiFi, true /* connected */);
- Badges badges;
- if (!enabled) {
- badges.center = {&kNetworkBadgeOffIcon,
- GetDefaultColorForIconType(icon_type)};
- }
- return CreateNetworkIconImage(image, badges);
- }
- gfx::ImageSkia GetConnectingImageForNetworkType(NetworkType network_type,
- IconType icon_type) {
- DCHECK_NE(NetworkType::kVPN, network_type);
- ImageType image_type = ImageTypeForNetworkType(network_type);
- double animation = NetworkIconAnimation::GetInstance()->GetAnimation();
- return CreateNetworkIconImage(
- ConnectingWirelessImage(image_type, icon_type, animation), Badges());
- }
- gfx::ImageSkia GetConnectedNetworkWithConnectingVpnImage(
- const NetworkStateProperties* connected_network,
- IconType icon_type) {
- gfx::ImageSkia icon = GetImageForNonVirtualNetwork(
- connected_network, icon_type, false /* show_vpn_badge */);
- double animation = NetworkIconAnimation::GetInstance()->GetAnimation();
- Badges badges;
- badges.bottom_left = {
- &kUnifiedNetworkBadgeVpnIcon,
- SkColorSetA(GetDefaultColorForIconType(icon_type), 0xFF * animation)};
- return CreateNetworkIconImage(icon, badges);
- }
- gfx::ImageSkia GetDisconnectedImageForNetworkType(NetworkType network_type) {
- return GetBasicImage(ICON_TYPE_LIST, network_type, false /* connected */);
- }
- std::u16string GetLabelForNetworkList(const NetworkStateProperties* network) {
- if (network->type == NetworkType::kCellular) {
- ActivationStateType activation_state =
- network->type_state->get_cellular()->activation_state;
- if (activation_state == ActivationStateType::kActivating) {
- return l10n_util::GetStringFUTF16(
- IDS_ASH_STATUS_TRAY_NETWORK_LIST_ACTIVATING,
- base::UTF8ToUTF16(network->name));
- }
- if (activation_state == ActivationStateType::kNotActivated ||
- activation_state == ActivationStateType::kPartiallyActivated) {
- return base::UTF8ToUTF16(network->name);
- }
- }
- // Otherwise just show the network name or 'Ethernet'.
- if (network->type == NetworkType::kEthernet)
- return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ETHERNET);
- return base::UTF8ToUTF16(network->name);
- }
- void PurgeNetworkIconCache(const std::set<std::string>& network_guids) {
- PurgeIconMap(ICON_TYPE_TRAY_OOBE, network_guids);
- PurgeIconMap(ICON_TYPE_TRAY_REGULAR, network_guids);
- PurgeIconMap(ICON_TYPE_DEFAULT_VIEW, network_guids);
- PurgeIconMap(ICON_TYPE_LIST, network_guids);
- PurgeIconMap(ICON_TYPE_MENU_LIST, network_guids);
- }
- SignalStrength GetSignalStrength(int strength) {
- // Decide whether the signal is considered weak, medium or strong based on the
- // strength index. Each signal strength corresponds to a bucket which
- // attempted to be split evenly from |kNumNetworkImages| - 1. Remainders go
- // first to the lowest bucket and then the second lowest bucket.
- const int index = StrengthIndex(strength);
- if (index == 0)
- return SignalStrength::NONE;
- const int seperations = kNumNetworkImages - 1;
- const int bucket_size = seperations / 3;
- const int weak_max = bucket_size + static_cast<int>(seperations % 3 != 0);
- const int medium_max =
- weak_max + bucket_size + static_cast<int>(seperations % 3 == 2);
- if (index <= weak_max)
- return SignalStrength::WEAK;
- else if (index <= medium_max)
- return SignalStrength::MEDIUM;
- return SignalStrength::STRONG;
- }
- } // namespace network_icon
- } // namespace ash
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