favicon_source.cc | Explore in Territory

// 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/favicon_source.h"

#include <cmath>

#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/favicon/favicon_service_factory.h"
#include "chrome/browser/favicon/favicon_utils.h"
#include "chrome/browser/favicon/history_ui_favicon_request_handler_factory.h"
#include "chrome/browser/history/top_sites_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search/instant_service.h"
#include "chrome/browser/ui/webui/webui_util_desktop.h"
#include "chrome/common/url_constants.h"
#include "chrome/common/webui_url_constants.h"
#include "components/favicon/core/history_ui_favicon_request_handler.h"
#include "components/favicon_base/favicon_url_parser.h"
#include "components/history/core/browser/top_sites.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/constants.h"
#include "extensions/common/manifest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/resource/resource_scale_factor.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/native_theme/native_theme.h"
#include "ui/resources/grit/ui_resources.h"
#include "url/gurl.h"

namespace {

// Generous cap to guard against out-of-memory issues.
constexpr int kMaxDesiredSizeInPixel = …;

// web_contents->GetLastCommittedURL in general will not necessarily yield the
// original URL that started the request, but we're only interested in verifying
// if it was issued by a history page, for whom this is the case. If it is not
// possible to obtain the URL, we return the empty GURL.
GURL GetUnsafeRequestOrigin(const content::WebContents::Getter& wc_getter) { … }

bool ParseHistoryUiOrigin(const GURL& url,
                          favicon::HistoryUiFaviconRequestOrigin* origin) { … }

}  // namespace

FaviconSource::FaviconSource(Profile* profile,
                             chrome::FaviconUrlFormat url_format)
    : … { … }

FaviconSource::~FaviconSource() { … }

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

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

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

bool FaviconSource::AllowCaching() { … }

bool FaviconSource::ShouldReplaceExistingSource() { … }

bool FaviconSource::ShouldServiceRequest(
    const GURL& url,
    content::BrowserContext* browser_context,
    int render_process_id) { … }

ui::NativeTheme* FaviconSource::GetNativeTheme(
    const content::WebContents::Getter& wc_getter) { … }

void FaviconSource::OnFaviconDataAvailable(
    content::URLDataSource::GotDataCallback callback,
    const chrome::ParsedFaviconPath& parsed,
    const content::WebContents::Getter& wc_getter,
    const favicon_base::FaviconRawBitmapResult& bitmap_result) { … }

void FaviconSource::SendDefaultResponse(
    content::URLDataSource::GotDataCallback callback,
    const chrome::ParsedFaviconPath& parsed,
    const content::WebContents::Getter& wc_getter) { … }

void FaviconSource::SendDefaultResponse(
    content::URLDataSource::GotDataCallback callback,
    const content::WebContents::Getter& wc_getter,
    bool force_light_mode) { … }

void FaviconSource::SendDefaultResponse(
    content::URLDataSource::GotDataCallback callback,
    int size_in_dip,
    float scale_factor,
    bool dark_mode) { … }

base::RefCountedMemory* FaviconSource::LoadIconBytes(float scale_factor,
                                                     int resource_id) { … }
chromium/chrome/browser/ui/webui/favicon_source.cc
