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// Copyright (c) 2013 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/infobars/infobar_service.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/infobars/infobar.h"
#include "chrome/browser/infobars/infobar_delegate.h"
#include "chrome/browser/infobars/insecure_content_infobar_delegate.h"
#include "chrome/common/render_messages.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/web_contents.h"
DEFINE_WEB_CONTENTS_USER_DATA_KEY(InfoBarService);
InfoBarDelegate* InfoBarService::AddInfoBar(
scoped_ptr<InfoBarDelegate> infobar) {
DCHECK(infobar);
if (!infobars_enabled_)
return NULL;
for (InfoBars::const_iterator i(infobars_.begin()); i != infobars_.end();
++i) {
if ((*i)->EqualsDelegate(infobar.get())) {
DCHECK_NE(*i, infobar.get());
return NULL;
}
}
InfoBarDelegate* infobar_ptr = infobar.release();
infobars_.push_back(infobar_ptr);
// TODO(pkasting): Remove InfoBarService arg from delegate constructors and
// instead use a setter from here.
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_ADDED,
content::Source<InfoBarService>(this),
content::Details<InfoBarAddedDetails>(infobar_ptr));
return infobar_ptr;
}
void InfoBarService::RemoveInfoBar(InfoBarDelegate* infobar) {
RemoveInfoBarInternal(infobar, true);
}
InfoBarDelegate* InfoBarService::ReplaceInfoBar(
InfoBarDelegate* old_infobar,
scoped_ptr<InfoBarDelegate> new_infobar) {
DCHECK(old_infobar);
if (!infobars_enabled_)
return AddInfoBar(new_infobar.Pass()); // Deletes the delegate.
DCHECK(new_infobar);
InfoBars::iterator i(std::find(infobars_.begin(), infobars_.end(),
old_infobar));
DCHECK(i != infobars_.end());
InfoBarDelegate* new_infobar_ptr = new_infobar.release();
i = infobars_.insert(i, new_infobar_ptr);
InfoBarReplacedDetails replaced_details(old_infobar, new_infobar_ptr);
// Remove the old infobar before notifying, so that if any observers call
// back to AddInfoBar() or similar, we don't dupe-check against this infobar.
infobars_.erase(++i);
old_infobar->clear_owner();
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REPLACED,
content::Source<InfoBarService>(this),
content::Details<InfoBarReplacedDetails>(&replaced_details));
return new_infobar_ptr;
}
InfoBarService::InfoBarService(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
infobars_enabled_(true) {
DCHECK(web_contents);
}
InfoBarService::~InfoBarService() {
// Destroy all remaining InfoBars. It's important to not animate here so that
// we guarantee that we'll delete all delegates before we do anything else.
//
// TODO(pkasting): If there is no InfoBarContainer, this leaks all the
// InfoBarDelegates. This will be fixed once we call CloseSoon() directly on
// Infobars.
RemoveAllInfoBars(false);
}
void InfoBarService::RenderProcessGone(base::TerminationStatus status) {
RemoveAllInfoBars(true);
}
void InfoBarService::NavigationEntryCommitted(
const content::LoadCommittedDetails& load_details) {
// NOTE: It is not safe to change the following code to count upwards or
// use iterators, as the RemoveInfoBar() call synchronously modifies our
// delegate list.
for (size_t i = infobars_.size(); i > 0; --i) {
InfoBarDelegate* infobar = infobars_[i - 1];
if (infobar->ShouldExpire(load_details))
RemoveInfoBar(infobar);
}
}
void InfoBarService::WebContentsDestroyed(content::WebContents* web_contents) {
// The WebContents is going away; be aggressively paranoid and delete
// ourselves lest other parts of the system attempt to add infobars or use
// us otherwise during the destruction.
web_contents->RemoveUserData(UserDataKey());
// That was the equivalent of "delete this". This object is now destroyed;
// returning from this function is the only safe thing to do.
}
bool InfoBarService::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(InfoBarService, message)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockDisplayingInsecureContent,
OnDidBlockDisplayingInsecureContent)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockRunningInsecureContent,
OnDidBlockRunningInsecureContent)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void InfoBarService::RemoveInfoBarInternal(InfoBarDelegate* infobar,
bool animate) {
DCHECK(infobar);
if (!infobars_enabled_) {
DCHECK(infobars_.empty());
return;
}
InfoBars::iterator i(std::find(infobars_.begin(), infobars_.end(), infobar));
DCHECK(i != infobars_.end());
infobar->clear_owner();
// Remove the infobar before notifying, so that if any observers call back to
// AddInfoBar() or similar, we don't dupe-check against this infobar.
infobars_.erase(i);
InfoBarRemovedDetails removed_details(infobar, animate);
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
content::Source<InfoBarService>(this),
content::Details<InfoBarRemovedDetails>(&removed_details));
}
void InfoBarService::RemoveAllInfoBars(bool animate) {
while (!infobars_.empty())
RemoveInfoBarInternal(infobars_.back(), animate);
}
void InfoBarService::OnDidBlockDisplayingInsecureContent() {
InsecureContentInfoBarDelegate::Create(
this, InsecureContentInfoBarDelegate::DISPLAY);
}
void InfoBarService::OnDidBlockRunningInsecureContent() {
InsecureContentInfoBarDelegate::Create(this,
InsecureContentInfoBarDelegate::RUN);
}
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