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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 <utility>
#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/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/web_contents.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;
for (WebContentsModalDialogList::iterator it = child_dialogs_.begin();
it != child_dialogs_.end(); it++) {
// Delegate can be NULL on Views/Win32 during tab drag.
(*it)->manager->HostChanged(d ? d->GetWebContentsModalDialogHost() : NULL);
}
}
// TODO(gbillock): Maybe "ShowBubbleWithManager"?
void WebContentsModalDialogManager::ShowDialogWithManager(
gfx::NativeWindow dialog,
std::unique_ptr<SingleWebContentsDialogManager> manager) {
if (delegate_)
manager->HostChanged(delegate_->GetWebContentsModalDialogHost());
child_dialogs_.push_back(new DialogState(dialog, std::move(manager)));
if (child_dialogs_.size() == 1) {
BlockWebContentsInteraction(true);
if (delegate_ && delegate_->IsWebContentsVisible(web_contents()))
child_dialogs_.back()->manager->Show();
}
}
bool WebContentsModalDialogManager::IsDialogActive() const {
return !child_dialogs_.empty();
}
void WebContentsModalDialogManager::FocusTopmostDialog() const {
DCHECK(!child_dialogs_.empty());
child_dialogs_.front()->manager->Focus();
}
content::WebContents* WebContentsModalDialogManager::GetWebContents() const {
return web_contents();
}
void WebContentsModalDialogManager::WillClose(gfx::NativeWindow dialog) {
WebContentsModalDialogList::iterator dlg = FindDialogState(dialog);
// The Views tab contents modal dialog calls WillClose twice. Ignore the
// second invocation.
if (dlg == child_dialogs_.end())
return;
bool removed_topmost_dialog = dlg == child_dialogs_.begin();
std::unique_ptr<DialogState> deleter(*dlg);
child_dialogs_.erase(dlg);
if (!child_dialogs_.empty() && removed_topmost_dialog &&
!closing_all_dialogs_) {
child_dialogs_.front()->manager->Show();
}
BlockWebContentsInteraction(!child_dialogs_.empty());
}
WebContentsModalDialogManager::WebContentsModalDialogManager(
content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
delegate_(NULL),
closing_all_dialogs_(false) {
}
WebContentsModalDialogManager::DialogState::DialogState(
gfx::NativeWindow dialog,
std::unique_ptr<SingleWebContentsDialogManager> mgr)
: dialog(dialog), manager(mgr.release()) {}
WebContentsModalDialogManager::DialogState::~DialogState() {}
WebContentsModalDialogManager::WebContentsModalDialogList::iterator
WebContentsModalDialogManager::FindDialogState(gfx::NativeWindow dialog) {
WebContentsModalDialogList::iterator i;
for (i = child_dialogs_.begin(); i != child_dialogs_.end(); ++i) {
if ((*i)->dialog == dialog)
break;
}
return i;
}
// TODO(gbillock): Move this to Views impl within Show()? It would
// call WebContents* contents = native_delegate_->GetWebContents(); and
// then set the block state. Advantage: could restrict some of the
// WCMDM delegate methods, then, and pass them behind the scenes.
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->GetWidget()->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()) {
child_dialogs_.front()->manager->Close();
}
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::INCLUDE_PRIVATE_REGISTRIES))
CloseAllDialogs();
}
void WebContentsModalDialogManager::DidGetIgnoredUIEvent() {
if (!child_dialogs_.empty()) {
child_dialogs_.front()->manager->Focus();
}
}
void WebContentsModalDialogManager::WasShown() {
if (!child_dialogs_.empty())
child_dialogs_.front()->manager->Show();
}
void WebContentsModalDialogManager::WasHidden() {
if (!child_dialogs_.empty())
child_dialogs_.front()->manager->Hide();
}
void WebContentsModalDialogManager::WebContentsDestroyed() {
// 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();
}
void WebContentsModalDialogManager::DidAttachInterstitialPage() {
CloseAllDialogs();
}
} // namespace web_modal
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