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// Copyright 2015 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 "components/favicon/core/favicon_driver_impl.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/metrics/field_trial.h"
#include "base/strings/string_util.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/favicon/core/favicon_driver_observer.h"
#include "components/favicon/core/favicon_handler.h"
#include "components/favicon/core/favicon_service.h"
#include "components/history/core/browser/history_service.h"
#include "ui/base/ui_base_switches.h"
namespace favicon {
namespace {
// Returns whether icon NTP is enabled by experiment.
// TODO(huangs): Remove all 3 copies of this routine once Icon NTP launches.
bool IsIconNTPEnabled() {
// Note: It's important to query the field trial state first, to ensure that
// UMA reports the correct group.
const std::string group_name = base::FieldTrialList::FindFullName("IconNTP");
using base::CommandLine;
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableIconNtp))
return false;
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableIconNtp))
return true;
return base::StartsWith(group_name, "Enabled", base::CompareCase::SENSITIVE);
}
#if defined(OS_ANDROID) || defined(OS_IOS)
const bool kEnableTouchIcon = true;
#else
const bool kEnableTouchIcon = false;
#endif
} // namespace
FaviconDriverImpl::FaviconDriverImpl(FaviconService* favicon_service,
history::HistoryService* history_service,
bookmarks::BookmarkModel* bookmark_model)
: favicon_service_(favicon_service),
history_service_(history_service),
bookmark_model_(bookmark_model) {
favicon_handler_.reset(new FaviconHandler(
favicon_service_, this, FaviconHandler::FAVICON, kEnableTouchIcon));
if (kEnableTouchIcon) {
touch_icon_handler_.reset(new FaviconHandler(favicon_service_, this,
FaviconHandler::TOUCH, true));
}
if (IsIconNTPEnabled()) {
large_icon_handler_.reset(new FaviconHandler(favicon_service_, this,
FaviconHandler::LARGE, true));
}
}
FaviconDriverImpl::~FaviconDriverImpl() {
}
void FaviconDriverImpl::FetchFavicon(const GURL& url) {
favicon_handler_->FetchFavicon(url);
if (touch_icon_handler_.get())
touch_icon_handler_->FetchFavicon(url);
if (large_icon_handler_.get())
large_icon_handler_->FetchFavicon(url);
}
void FaviconDriverImpl::DidDownloadFavicon(
int id,
int http_status_code,
const GURL& image_url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& original_bitmap_sizes) {
if (bitmaps.empty() && http_status_code == 404) {
DVLOG(1) << "Failed to Download Favicon:" << image_url;
if (favicon_service_)
favicon_service_->UnableToDownloadFavicon(image_url);
}
favicon_handler_->OnDidDownloadFavicon(id, image_url, bitmaps,
original_bitmap_sizes);
if (touch_icon_handler_.get()) {
touch_icon_handler_->OnDidDownloadFavicon(id, image_url, bitmaps,
original_bitmap_sizes);
}
if (large_icon_handler_.get()) {
large_icon_handler_->OnDidDownloadFavicon(id, image_url, bitmaps,
original_bitmap_sizes);
}
}
bool FaviconDriverImpl::IsBookmarked(const GURL& url) {
return bookmark_model_ && bookmark_model_->IsBookmarked(url);
}
void FaviconDriverImpl::OnFaviconAvailable(const GURL& page_url,
const GURL& icon_url,
const gfx::Image& image,
bool is_active_favicon) {
// Check whether the active URL has changed since FetchFavicon() was called.
// On iOS only, the active URL can change between calls to FetchFavicon().
// For instance, FetchFavicon() is not synchronously called when the active
// URL changes as a result of CRWSessionController::goToEntry().
if (page_url != GetActiveURL())
return;
if (is_active_favicon) {
bool icon_url_changed = GetActiveFaviconURL() != icon_url;
// No matter what happens, we need to mark the favicon as being set.
SetActiveFaviconValidity(true);
SetActiveFaviconURL(icon_url);
if (image.IsEmpty())
return;
SetActiveFaviconImage(image);
NotifyFaviconUpdated(icon_url_changed);
}
if (!image.IsEmpty())
NotifyFaviconAvailable(image);
}
bool FaviconDriverImpl::HasPendingTasksForTest() {
if (favicon_handler_->HasPendingTasksForTest())
return true;
if (touch_icon_handler_ && touch_icon_handler_->HasPendingTasksForTest())
return true;
if (large_icon_handler_ && large_icon_handler_->HasPendingTasksForTest())
return true;
return false;
}
bool FaviconDriverImpl::WasUnableToDownloadFavicon(const GURL& url) {
return favicon_service_ && favicon_service_->WasUnableToDownloadFavicon(url);
}
void FaviconDriverImpl::SetFaviconOutOfDateForPage(const GURL& url,
bool force_reload) {
if (favicon_service_) {
favicon_service_->SetFaviconOutOfDateForPage(url);
if (force_reload)
favicon_service_->ClearUnableToDownloadFavicons();
}
}
void FaviconDriverImpl::OnUpdateFaviconURL(
const GURL& page_url,
const std::vector<FaviconURL>& candidates) {
DCHECK(!candidates.empty());
favicon_handler_->OnUpdateFaviconURL(page_url, candidates);
if (touch_icon_handler_.get())
touch_icon_handler_->OnUpdateFaviconURL(page_url, candidates);
if (large_icon_handler_.get())
large_icon_handler_->OnUpdateFaviconURL(page_url, candidates);
}
} // namespace favicon
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