chromium/chrome/browser/ui/webui/fileicon_source.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/webui/fileicon_source.h"

#include <string_view>

#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/escape.h"
#include "base/strings/string_split.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/webui_url_constants.h"
#include "net/base/url_util.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_rep.h"
#include "url/gurl.h"

namespace {

QueryIconSizeMap;

// The path used in internal URLs to file icon data.
const char kFileIconPath[] = …;

// URL parameter specifying icon size.
const char kIconSizeParameter[] = …;

// URL parameter specifying the file path for which to get an icon.
const char kPathParameter[] = …;

// URL parameter specifying scale factor.
const char kScaleFactorParameter[] = …;

IconLoader::IconSize SizeStringToIconSize(std::string_view size_string) { … }

void ParseQueryParams(const std::string& path,
                      base::FilePath* file_path,
                      float* scale_factor,
                      IconLoader::IconSize* icon_size) { … }

}  // namespace

FileIconSource::IconRequestDetails::IconRequestDetails() = default;
FileIconSource::IconRequestDetails::IconRequestDetails(
    IconRequestDetails&& other) = default;
FileIconSource::IconRequestDetails& FileIconSource::IconRequestDetails::
operator=(IconRequestDetails&& other) = default;
FileIconSource::IconRequestDetails::~IconRequestDetails() = default;

FileIconSource::FileIconSource() = default;
FileIconSource::~FileIconSource() = default;

void FileIconSource::FetchFileIcon(
    const base::FilePath& path,
    float scale_factor,
    IconLoader::IconSize icon_size,
    content::URLDataSource::GotDataCallback callback) { … }

std::string FileIconSource::GetSource() { … }

void FileIconSource::StartDataRequest(
    const GURL& url,
    const content::WebContents::Getter& wc_getter,
    content::URLDataSource::GotDataCallback callback) { … }

std::string FileIconSource::GetMimeType(const GURL&) { … }

bool FileIconSource::AllowCaching() { … }

void FileIconSource::OnFileIconDataAvailable(IconRequestDetails details,
                                             gfx::Image icon) { … }