theme_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/theme_source.h"

#include <string_view>

#include "base/functional/bind.h"
#include "base/memory/ref_counted_memory.h"
#include "base/metrics/histogram_functions.h"
#include "base/ranges/algorithm.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/timer/elapsed_timer.h"
#include "build/branding_buildflags.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/resources_util.h"
#include "chrome/browser/search/instant_service.h"
#include "chrome/browser/themes/browser_theme_pack.h"
#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_factory.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "chrome/browser/ui/color/chrome_color_provider_utils.h"
#include "chrome/browser/ui/webui/ntp/ntp_resource_cache.h"
#include "chrome/browser/ui/webui/ntp/ntp_resource_cache_factory.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/theme_resources.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/url_data_source.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/url_constants.h"
#include "net/base/url_util.h"
#include "services/network/public/mojom/content_security_policy.mojom.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/color/color_provider.h"
#include "ui/color/color_provider_utils.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_rep.h"
#include "url/gurl.h"

#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "chrome/grit/cros_styles_resources.h"  // nogncheck crbug.com/1113869
#include "ui/chromeos/styles/cros_tokens_color_mappings.h"
#endif  // BUILDFLAG(IS_CHROMEOS_ASH)

namespace {

GURL GetThemeUrl(const std::string& path) { … }

bool IsNewTabCssPath(const std::string& path) { … }

void ProcessImageOnUiThread(const gfx::ImageSkia& image,
                            float scale,
                            scoped_refptr<base::RefCountedBytes> data) { … }

}  // namespace

////////////////////////////////////////////////////////////////////////////////
// ThemeSource, public:

ThemeSource::ThemeSource(Profile* profile)
    : … { … }

ThemeSource::ThemeSource(Profile* profile, bool serve_untrusted)
    : … { … }

ThemeSource::~ThemeSource() = default;

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

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

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

bool ThemeSource::AllowCaching() { … }

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

////////////////////////////////////////////////////////////////////////////////
// ThemeSource, private:

void ThemeSource::SendThemeBitmap(
    content::URLDataSource::GotDataCallback callback,
    int resource_id,
    float scale) { … }

void ThemeSource::SendThemeImage(
    content::URLDataSource::GotDataCallback callback,
    int resource_id,
    float scale) { … }

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

std::string ThemeSource::GetAccessControlAllowOriginForOrigin(
    const std::string& origin) { … }

#if BUILDFLAG(IS_CHROMEOS_ASH)
void ThemeSource::SendTypographyCss(
    content::URLDataSource::GotDataCallback callback) {
  const ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  std::move(callback).Run(rb.LoadDataResourceBytesForScale(
      IDR_CROS_STYLES_UI_CHROMEOS_STYLES_CROS_TYPOGRAPHY_CSS,
      ui::kScaleFactorNone));
}
#endif

std::string ThemeSource::GetContentSecurityPolicy(
    network::mojom::CSPDirectiveName directive) { … }
chromium/chrome/browser/ui/webui/theme_source.cc
