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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/content/content_favicon_driver.h"
#include "base/bind.h"
#include "components/favicon/content/favicon_url_util.h"
#include "components/favicon/core/favicon_service.h"
#include "components/favicon/core/favicon_url.h"
#include "components/history/core/browser/history_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/common/favicon_url.h"
#include "ui/gfx/image/image.h"
DEFINE_WEB_CONTENTS_USER_DATA_KEY(favicon::ContentFaviconDriver);
namespace favicon {
// static
void ContentFaviconDriver::CreateForWebContents(
content::WebContents* web_contents,
FaviconService* favicon_service,
history::HistoryService* history_service,
bookmarks::BookmarkModel* bookmark_model) {
if (FromWebContents(web_contents))
return;
web_contents->SetUserData(
UserDataKey(), new ContentFaviconDriver(web_contents, favicon_service,
history_service, bookmark_model));
}
void ContentFaviconDriver::SaveFavicon() {
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
if (!entry)
return;
// Make sure the page is in history, otherwise adding the favicon does
// nothing.
if (!history_service())
return;
GURL page_url = entry->GetURL();
history_service()->AddPageNoVisitForBookmark(page_url, entry->GetTitle());
const content::FaviconStatus& favicon_status = entry->GetFavicon();
if (!favicon_service() || !favicon_status.valid ||
favicon_status.url.is_empty() || favicon_status.image.IsEmpty()) {
return;
}
favicon_service()->SetFavicons(page_url, favicon_status.url,
favicon_base::FAVICON, favicon_status.image);
}
gfx::Image ContentFaviconDriver::GetFavicon() const {
// Like GetTitle(), we also want to use the favicon for the last committed
// entry rather than a pending navigation entry.
const content::NavigationController& controller =
web_contents()->GetController();
content::NavigationEntry* entry = controller.GetTransientEntry();
if (entry)
return entry->GetFavicon().image;
entry = controller.GetLastCommittedEntry();
if (entry)
return entry->GetFavicon().image;
return gfx::Image();
}
bool ContentFaviconDriver::FaviconIsValid() const {
const content::NavigationController& controller =
web_contents()->GetController();
content::NavigationEntry* entry = controller.GetTransientEntry();
if (entry)
return entry->GetFavicon().valid;
entry = controller.GetLastCommittedEntry();
if (entry)
return entry->GetFavicon().valid;
return false;
}
int ContentFaviconDriver::StartDownload(const GURL& url, int max_image_size) {
if (WasUnableToDownloadFavicon(url)) {
DVLOG(1) << "Skip Failed FavIcon: " << url;
return 0;
}
bool bypass_cache = (bypass_cache_page_url_ == GetActiveURL());
bypass_cache_page_url_ = GURL();
return web_contents()->DownloadImage(
url, true, max_image_size, bypass_cache,
base::Bind(&FaviconDriverImpl::DidDownloadFavicon,
base::Unretained(this)));
}
bool ContentFaviconDriver::IsOffTheRecord() {
DCHECK(web_contents());
return web_contents()->GetBrowserContext()->IsOffTheRecord();
}
GURL ContentFaviconDriver::GetActiveURL() {
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
return entry ? entry->GetURL() : GURL();
}
ContentFaviconDriver::ContentFaviconDriver(
content::WebContents* web_contents,
FaviconService* favicon_service,
history::HistoryService* history_service,
bookmarks::BookmarkModel* bookmark_model)
: content::WebContentsObserver(web_contents),
FaviconDriverImpl(favicon_service, history_service, bookmark_model) {
}
ContentFaviconDriver::~ContentFaviconDriver() {
}
void ContentFaviconDriver::OnFaviconUpdated(
const GURL& page_url,
FaviconDriverObserver::NotificationIconType notification_icon_type,
const GURL& icon_url,
bool icon_url_changed,
const gfx::Image& image) {
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
DCHECK(entry && entry->GetURL() == page_url);
if (notification_icon_type == FaviconDriverObserver::NON_TOUCH_16_DIP) {
entry->GetFavicon().valid = true;
entry->GetFavicon().url = icon_url;
entry->GetFavicon().image = image;
web_contents()->NotifyNavigationStateChanged(content::INVALIDATE_TYPE_TAB);
}
NotifyFaviconUpdatedObservers(notification_icon_type, icon_url,
icon_url_changed, image);
}
void ContentFaviconDriver::DidUpdateFaviconURL(
const std::vector<content::FaviconURL>& candidates) {
DCHECK(!candidates.empty());
// Ignore the update if there is no last committed navigation entry. This can
// occur when loading an initially blank page.
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
if (!entry)
return;
favicon_urls_ = candidates;
OnUpdateFaviconURL(entry->GetURL(),
FaviconURLsFromContentFaviconURLs(candidates));
}
void ContentFaviconDriver::DidStartNavigationToPendingEntry(
const GURL& url,
content::NavigationController::ReloadType reload_type) {
if (reload_type == content::NavigationController::NO_RELOAD ||
IsOffTheRecord())
return;
bypass_cache_page_url_ = url;
SetFaviconOutOfDateForPage(
url,
reload_type == content::NavigationController::RELOAD_BYPASSING_CACHE);
}
void ContentFaviconDriver::DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) {
favicon_urls_.clear();
// Wait till the user navigates to a new URL to start checking the cache
// again. The cache may be ignored for non-reload navigations (e.g.
// history.replace() in-page navigation). This is allowed to increase the
// likelihood that "reloading a page ignoring the cache" redownloads the
// favicon. In particular, a page may do an in-page navigation before
// FaviconHandler has the time to determine that the favicon needs to be
// redownloaded.
GURL url = details.entry->GetURL();
if (url != bypass_cache_page_url_)
bypass_cache_page_url_ = GURL();
// Get the favicon, either from history or request it from the net.
FetchFavicon(url);
}
} // namespace favicon
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