blob: b1c375c573d1ac2a336350898e5b31aa8013baae [file] [log] [blame]
// 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 <map>
#include <string>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/task/cancelable_task_tracker.h"
#include "components/favicon_base/favicon_types.h"
#include "content/public/browser/web_ui_message_handler.h"
class ExtensionIconColorManager;
namespace base {
class ListValue;
class FaviconWebUIHandler : public content::WebUIMessageHandler {
~FaviconWebUIHandler() override;
// WebUIMessageHandler
void RegisterMessages() override;
// Called from the JS to get the dominant color of a favicon. The first
// argument is a favicon URL, the second is the ID of the DOM node that is
// asking for it.
void HandleGetFaviconDominantColor(const base::ListValue* args);
// As above, but for an app tile. The sole argument is the extension ID.
void HandleGetAppIconDominantColor(const base::ListValue* args);
// Callback getting signal that an app icon is loaded.
void NotifyAppIconReady(const std::string& extension_id);
// Called when favicon data is available from the history backend.
void OnFaviconDataAvailable(
int request_handle,
const favicon_base::FaviconRawBitmapResult& bitmap_result);
base::CancelableTaskTracker cancelable_task_tracker_;
// Map from request ID to DOM ID so we can make the appropriate callback when
// the favicon request comes back. This map exists because
// CancelableRequestConsumerTSimple only takes POD keys.
std::map<int, std::string> dom_id_map_;
// A counter to track ID numbers as we use them.
int id_;
// Raw PNG representation of the favicon to show when the favicon
// database doesn't have a favicon for a webpage.
scoped_refptr<base::RefCountedMemory> default_favicon_;
// Manage retrieval of icons from apps.
std::unique_ptr<ExtensionIconColorManager> app_icon_color_manager_;