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// Copyright (c) 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 "chrome/browser/ui/exclusive_access/exclusive_access_controller_base.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/exclusive_access/exclusive_access_manager.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/web_contents.h"
using content::WebContents;
ExclusiveAccessControllerBase::ExclusiveAccessControllerBase(
ExclusiveAccessManager* manager)
: manager_(manager) {}
ExclusiveAccessControllerBase::~ExclusiveAccessControllerBase() {
}
GURL ExclusiveAccessControllerBase::GetExclusiveAccessBubbleURL() const {
return manager_->GetExclusiveAccessBubbleURL();
}
GURL ExclusiveAccessControllerBase::GetURLForExclusiveAccessBubble() const {
if (tab_with_exclusive_access_)
return tab_with_exclusive_access_->GetURL();
return GURL();
}
void ExclusiveAccessControllerBase::OnTabDeactivated(
WebContents* web_contents) {
if (web_contents == tab_with_exclusive_access_)
ExitExclusiveAccessIfNecessary();
}
void ExclusiveAccessControllerBase::OnTabDetachedFromView(
WebContents* old_contents) {
// Derived class will have to implement if necessary.
}
void ExclusiveAccessControllerBase::OnTabClosing(WebContents* web_contents) {
if (web_contents == tab_with_exclusive_access_) {
ExitExclusiveAccessIfNecessary();
// The call to exit exclusive access may result in asynchronous notification
// of state change (e.g. fullscreen change on Linux). We don't want to rely
// on it to call NotifyTabExclusiveAccessLost(), because at that point
// |tab_with_exclusive_access_| may not be valid. Instead, we call it here
// to clean up exclusive access tab related state.
NotifyTabExclusiveAccessLost();
}
}
void ExclusiveAccessControllerBase::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_EQ(content::NOTIFICATION_NAV_ENTRY_COMMITTED, type);
if (content::Details<content::LoadCommittedDetails>(details)
->is_navigation_to_different_page())
ExitExclusiveAccessIfNecessary();
}
void ExclusiveAccessControllerBase::RecordBubbleReshownUMA() {
++bubble_reshow_count_;
}
void ExclusiveAccessControllerBase::RecordExitingUMA() {
// Record the number of bubble reshows during this session. Only if simplified
// fullscreen is enabled.
if (ExclusiveAccessManager::IsSimplifiedFullscreenUIEnabled())
RecordBubbleReshowsHistogram(bubble_reshow_count_);
bubble_reshow_count_ = 0;
}
void ExclusiveAccessControllerBase::SetTabWithExclusiveAccess(
WebContents* tab) {
// Tab should never be replaced with another tab, or
// UpdateNotificationRegistrations would need updating.
DCHECK(tab_with_exclusive_access_ == tab ||
tab_with_exclusive_access_ == nullptr || tab == nullptr);
tab_with_exclusive_access_ = tab;
UpdateNotificationRegistrations();
}
void ExclusiveAccessControllerBase::UpdateNotificationRegistrations() {
if (tab_with_exclusive_access_ && registrar_.IsEmpty()) {
registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
content::Source<content::NavigationController>(
&tab_with_exclusive_access_->GetController()));
} else if (!tab_with_exclusive_access_ && !registrar_.IsEmpty()) {
registrar_.RemoveAll();
}
}
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