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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/assistant/util/resource_util.h"
#include <map>
#include <sstream>
#include <string>
#include <string_view>
#include "base/logging.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "chromeos/ui/vector_icons/vector_icons.h"
#include "net/base/url_util.h"
namespace ash {
namespace assistant {
namespace util {
namespace {
// Constants -------------------------------------------------------------------
// Prefix for all resource links.
constexpr char kResourceLinkPrefix[] = "googleassistant://resource";
// Param keys.
constexpr char kColorParamKey[] = "color";
constexpr char kNameParamKey[] = "name";
constexpr char kTypeParamKey[] = "type";
// Resource types.
constexpr char kIconResourceType[] = "icon";
// Icon names.
constexpr char kAssistantIconName[] = "assistant";
constexpr char kCalculateIconName[] = "calculate";
constexpr char kConversionPathIconName[] = "conversationPath";
constexpr char kPersonPinCircleIconName[] = "personPinCircle";
constexpr char kScreenshotIconName[] = "screenshot";
constexpr char kSentimentVerySatisfiedIconName[] = "sentimentVerySatisfied";
constexpr char kStraightenIconName[] = "straighten";
constexpr char kTimerIconName[] = "timer";
constexpr char kTranslateIconName[] = "translate";
// Helpers ---------------------------------------------------------------------
SkColor ToColor(const std::string& aarrggbb) {
SkColor color = gfx::kPlaceholderColor;
std::istringstream hex_stream(aarrggbb);
hex_stream >> std::hex >> color;
return color;
}
IconName ToIconName(const std::string& name) {
const std::map<std::string, IconName> icon_names_by_string_name = {
{kAssistantIconName, IconName::kAssistant},
{kCalculateIconName, IconName::kCalculate},
{kConversionPathIconName, IconName::kConversionPath},
{kPersonPinCircleIconName, IconName::kPersonPinCircle},
{kScreenshotIconName, IconName::kScreenshot},
{kSentimentVerySatisfiedIconName, IconName::kSentimentVerySatisfied},
{kStraightenIconName, IconName::kStraighten},
{kTimerIconName, IconName::kTimer},
{kTranslateIconName, IconName::kTranslate},
};
auto it = icon_names_by_string_name.find(name);
DCHECK(it != icon_names_by_string_name.end());
return it->second;
}
std::string ToString(SkColor color) {
std::stringstream hex_stream;
hex_stream << std::hex << color;
return hex_stream.str();
}
std::string ToString(IconName name) {
switch (name) {
case IconName::kAssistant:
return kAssistantIconName;
case IconName::kCalculate:
return kCalculateIconName;
case IconName::kConversionPath:
return kConversionPathIconName;
case IconName::kPersonPinCircle:
return kPersonPinCircleIconName;
case IconName::kScreenshot:
return kScreenshotIconName;
case IconName::kSentimentVerySatisfied:
return kSentimentVerySatisfiedIconName;
case IconName::kStraighten:
return kStraightenIconName;
case IconName::kTimer:
return kTimerIconName;
case IconName::kTranslate:
return kTranslateIconName;
}
NOTREACHED();
}
std::string ToString(ResourceLinkParam param) {
switch (param) {
case ResourceLinkParam::kColor:
return kColorParamKey;
case ResourceLinkParam::kName:
return kNameParamKey;
case ResourceLinkParam::kType:
return kTypeParamKey;
}
NOTREACHED();
}
std::string ToString(ResourceLinkType type) {
switch (type) {
case ResourceLinkType::kIcon:
return kIconResourceType;
case ResourceLinkType::kUnsupported:
return std::string();
}
NOTREACHED();
}
ResourceLinkType ToType(const std::string& type) {
if (type == kIconResourceType)
return ResourceLinkType::kIcon;
return ResourceLinkType::kUnsupported;
}
const gfx::VectorIcon& ToVectorIcon(IconName name) {
switch (name) {
case IconName::kAssistant:
return chromeos::kAssistantIcon;
case IconName::kCalculate:
return chromeos::kCalculateIcon;
case IconName::kConversionPath:
return chromeos::kConversionPathIcon;
case IconName::kPersonPinCircle:
return chromeos::kPersonPinCircleIcon;
case IconName::kScreenshot:
return chromeos::kScreenshotIcon;
case IconName::kSentimentVerySatisfied:
return chromeos::kSentimentVerySatisfiedIcon;
case IconName::kStraighten:
return chromeos::kStraightenIcon;
case IconName::kTimer:
return chromeos::kTimerIcon;
case IconName::kTranslate:
return chromeos::kTranslateIcon;
}
NOTREACHED();
}
const gfx::VectorIcon& ToVectorIcon(const std::string& name) {
return ToVectorIcon(ToIconName(name));
}
std::optional<std::string> GetParam(const GURL& url, ResourceLinkParam param) {
if (!url.has_query())
return std::nullopt;
const std::string param_key = ToString(param);
const std::string_view query_piece = url.query_piece();
url::Component query(0, query_piece.length()), key, value;
while (url::ExtractQueryKeyValue(query_piece, &query, &key, &value)) {
if (query_piece.substr(key.begin, base::checked_cast<size_t>(key.len)) ==
param_key) {
return std::string(query_piece.substr(
value.begin, base::checked_cast<size_t>(value.len)));
}
}
return std::nullopt;
}
} // namespace
// Utilities -------------------------------------------------------------------
GURL AppendOrReplaceColorParam(const GURL& resource_link, SkColor color) {
DCHECK(IsResourceLinkType(resource_link, ResourceLinkType::kIcon));
return net::AppendOrReplaceQueryParameter(
resource_link, ToString(ResourceLinkParam::kColor), ToString(color));
}
GURL CreateIconResourceLink(IconName name, std::optional<SkColor> color) {
GURL icon_resource_link(kResourceLinkPrefix);
icon_resource_link = net::AppendOrReplaceQueryParameter(
icon_resource_link, ToString(ResourceLinkParam::kType),
ToString(ResourceLinkType::kIcon));
icon_resource_link = net::AppendOrReplaceQueryParameter(
icon_resource_link, ToString(ResourceLinkParam::kName), ToString(name));
if (color.has_value()) {
icon_resource_link = net::AppendOrReplaceQueryParameter(
icon_resource_link, ToString(ResourceLinkParam::kColor),
ToString(color.value()));
}
return icon_resource_link;
}
gfx::ImageSkia CreateVectorIcon(const GURL& url, int size) {
if (!IsResourceLinkType(url, ResourceLinkType::kIcon))
return gfx::ImageSkia();
const gfx::VectorIcon& icon =
ToVectorIcon((GetParam(url, ResourceLinkParam::kName).value_or("")));
SkColor color = ToColor(GetParam(url, ResourceLinkParam::kColor)
.value_or(ToString(gfx::kPlaceholderColor)));
return gfx::CreateVectorIcon(gfx::IconDescription(icon, size, color));
}
ResourceLinkType GetResourceLinkType(const GURL& url) {
return IsResourceLinkUrl(url)
? ToType(GetParam(url, ResourceLinkParam::kType).value_or(""))
: ResourceLinkType::kUnsupported;
}
bool IsResourceLinkType(const GURL& url, ResourceLinkType type) {
return GetResourceLinkType(url) == type;
}
bool IsResourceLinkUrl(const GURL& url) {
return base::StartsWith(url.spec(), kResourceLinkPrefix,
base::CompareCase::SENSITIVE);
}
} // namespace util
} // namespace assistant
} // namespace ash
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