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// 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 "components/web_modal/web_contents_modal_dialog_manager.h"
#include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
using content::WebContents;
DEFINE_WEB_CONTENTS_USER_DATA_KEY(web_modal::WebContentsModalDialogManager);
namespace web_modal {
WebContentsModalDialogManager::~WebContentsModalDialogManager() {
DCHECK(child_dialogs_.empty());
}
void WebContentsModalDialogManager::SetDelegate(
WebContentsModalDialogManagerDelegate* d) {
delegate_ = d;
// Delegate can be NULL on Views/Win32 during tab drag.
native_manager_->HostChanged(d ? d->GetWebContentsModalDialogHost() : NULL);
}
void WebContentsModalDialogManager::ShowDialog(
NativeWebContentsModalDialog dialog) {
child_dialogs_.push_back(dialog);
native_manager_->ManageDialog(dialog);
if (child_dialogs_.size() == 1) {
if (delegate_ && delegate_->IsWebContentsVisible(web_contents()))
native_manager_->ShowDialog(dialog);
BlockWebContentsInteraction(true);
}
}
bool WebContentsModalDialogManager::IsShowingDialog() const {
return !child_dialogs_.empty();
}
void WebContentsModalDialogManager::FocusTopmostDialog() {
DCHECK(!child_dialogs_.empty());
native_manager_->FocusDialog(child_dialogs_.front());
}
content::WebContents* WebContentsModalDialogManager::GetWebContents() const {
return web_contents();
}
void WebContentsModalDialogManager::WillClose(
NativeWebContentsModalDialog dialog) {
WebContentsModalDialogList::iterator i(
std::find(child_dialogs_.begin(), child_dialogs_.end(), dialog));
// The Views tab contents modal dialog calls WillClose twice. Ignore the
// second invocation.
if (i == child_dialogs_.end())
return;
bool removed_topmost_dialog = i == child_dialogs_.begin();
child_dialogs_.erase(i);
if (!child_dialogs_.empty() && removed_topmost_dialog &&
!closing_all_dialogs_)
native_manager_->ShowDialog(child_dialogs_.front());
BlockWebContentsInteraction(!child_dialogs_.empty());
}
void WebContentsModalDialogManager::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK(type == content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED);
if (child_dialogs_.empty())
return;
bool visible = *content::Details<bool>(details).ptr();
if (visible)
native_manager_->ShowDialog(child_dialogs_.front());
else
native_manager_->HideDialog(child_dialogs_.front());
}
WebContentsModalDialogManager::WebContentsModalDialogManager(
content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
delegate_(NULL),
native_manager_(CreateNativeManager(this)),
closing_all_dialogs_(false) {
DCHECK(native_manager_);
registrar_.Add(this,
content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
content::Source<content::WebContents>(web_contents));
}
void WebContentsModalDialogManager::BlockWebContentsInteraction(bool blocked) {
WebContents* contents = web_contents();
if (!contents) {
// The WebContents has already disconnected.
return;
}
// RenderViewHost may be NULL during shutdown.
content::RenderViewHost* host = contents->GetRenderViewHost();
if (host)
host->SetIgnoreInputEvents(blocked);
if (delegate_)
delegate_->SetWebContentsBlocked(contents, blocked);
}
void WebContentsModalDialogManager::CloseAllDialogs() {
closing_all_dialogs_ = true;
// Clear out any dialogs since we are leaving this page entirely.
while (!child_dialogs_.empty())
native_manager_->CloseDialog(child_dialogs_.front());
closing_all_dialogs_ = false;
}
void WebContentsModalDialogManager::DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) {
// Close constrained windows if necessary.
if (!net::registry_controlled_domains::SameDomainOrHost(
details.previous_url, details.entry->GetURL(),
net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES))
CloseAllDialogs();
}
void WebContentsModalDialogManager::DidGetIgnoredUIEvent() {
if (!child_dialogs_.empty())
native_manager_->FocusDialog(child_dialogs_.front());
}
void WebContentsModalDialogManager::WebContentsDestroyed(WebContents* tab) {
// First cleanly close all child dialogs.
// TODO(mpcomplete): handle case if MaybeCloseChildWindows() already asked
// some of these to close. CloseAllDialogs is async, so it might get called
// twice before it runs.
CloseAllDialogs();
}
} // namespace web_modal
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