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// Copyright 2016 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/constrained_window/native_web_contents_modal_dialog_manager_views.h"
#include <memory>
#include "components/constrained_window/constrained_window_views.h"
#include "components/web_modal/web_contents_modal_dialog_host.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/border.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/window/dialog_delegate.h"
#include "ui/views/window/non_client_view.h"
#if defined(USE_AURA)
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/window.h"
#include "ui/wm/core/visibility_controller.h"
#include "ui/wm/core/window_animations.h"
#include "ui/wm/core/window_modality_controller.h"
#endif
using web_modal::SingleWebContentsDialogManager;
using web_modal::SingleWebContentsDialogManagerDelegate;
using web_modal::WebContentsModalDialogHost;
using web_modal::ModalDialogHostObserver;
namespace constrained_window {
NativeWebContentsModalDialogManagerViews::
NativeWebContentsModalDialogManagerViews(
gfx::NativeWindow dialog,
SingleWebContentsDialogManagerDelegate* native_delegate)
: native_delegate_(native_delegate),
dialog_(dialog),
host_(NULL),
host_destroying_(false) {
ManageDialog();
}
NativeWebContentsModalDialogManagerViews::
~NativeWebContentsModalDialogManagerViews() {
if (host_)
host_->RemoveObserver(this);
for (std::set<views::Widget*>::iterator it = observed_widgets_.begin();
it != observed_widgets_.end(); ++it) {
(*it)->RemoveObserver(this);
}
}
void NativeWebContentsModalDialogManagerViews::ManageDialog() {
views::Widget* widget = GetWidget(dialog());
widget->AddObserver(this);
observed_widgets_.insert(widget);
widget->set_movement_disabled(true);
#if defined(USE_AURA)
// TODO(wittman): remove once the new visual style is complete
widget->GetNativeWindow()->SetProperty(aura::client::kConstrainedWindowKey,
true);
wm::SetWindowVisibilityAnimationType(
widget->GetNativeWindow(), wm::WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE);
gfx::NativeView parent = widget->GetNativeView()->parent();
wm::SetChildWindowVisibilityChangesAnimated(parent);
// No animations should get performed on the window since that will re-order
// the window stack which will then cause many problems.
if (parent && parent->parent()) {
parent->parent()->SetProperty(aura::client::kAnimationsDisabledKey, true);
}
wm::SetModalParent(widget->GetNativeWindow(),
native_delegate_->GetWebContents()->GetNativeView());
#endif
}
// SingleWebContentsDialogManager:
void NativeWebContentsModalDialogManagerViews::Show() {
// The host destroying means the dialogs will be destroyed in short order.
// Avoid showing dialogs at this point as the necessary native window
// services may not be present.
if (host_destroying_)
return;
views::Widget* widget = GetWidget(dialog());
#if defined(USE_AURA)
std::unique_ptr<wm::SuspendChildWindowVisibilityAnimations> suspend;
if (shown_widgets_.find(widget) != shown_widgets_.end()) {
suspend.reset(new wm::SuspendChildWindowVisibilityAnimations(
widget->GetNativeWindow()->parent()));
}
#endif
ShowWidget(widget);
Focus();
#if defined(USE_AURA)
// TODO(pkotwicz): Control the z-order of the constrained dialog via
// views::kHostViewKey. We will need to ensure that the parent window's
// shadows are below the constrained dialog in z-order when we do this.
shown_widgets_.insert(widget);
#endif
}
void NativeWebContentsModalDialogManagerViews::Hide() {
views::Widget* widget = GetWidget(dialog());
#if defined(USE_AURA)
std::unique_ptr<wm::SuspendChildWindowVisibilityAnimations> suspend;
suspend.reset(new wm::SuspendChildWindowVisibilityAnimations(
widget->GetNativeWindow()->parent()));
#endif
HideWidget(widget);
}
void NativeWebContentsModalDialogManagerViews::Close() {
GetWidget(dialog())->Close();
}
void NativeWebContentsModalDialogManagerViews::Focus() {
views::Widget* widget = GetWidget(dialog());
if (widget->widget_delegate() &&
widget->widget_delegate()->GetInitiallyFocusedView())
widget->widget_delegate()->GetInitiallyFocusedView()->RequestFocus();
#if defined(USE_AURA)
// We don't necessarily have a RootWindow yet.
if (widget->GetNativeView()->GetRootWindow())
widget->GetNativeView()->Focus();
#endif
}
void NativeWebContentsModalDialogManagerViews::Pulse() {}
// web_modal::ModalDialogHostObserver:
void NativeWebContentsModalDialogManagerViews::OnPositionRequiresUpdate() {
DCHECK(host_);
for (std::set<views::Widget*>::iterator it = observed_widgets_.begin();
it != observed_widgets_.end(); ++it) {
constrained_window::UpdateWebContentsModalDialogPosition(*it, host_);
}
}
void NativeWebContentsModalDialogManagerViews::OnHostDestroying() {
host_->RemoveObserver(this);
host_ = NULL;
host_destroying_ = true;
}
// views::WidgetObserver:
void NativeWebContentsModalDialogManagerViews::OnWidgetClosing(
views::Widget* widget) {
WidgetClosing(widget);
}
void NativeWebContentsModalDialogManagerViews::OnWidgetDestroying(
views::Widget* widget) {
WidgetClosing(widget);
}
void NativeWebContentsModalDialogManagerViews::HostChanged(
WebContentsModalDialogHost* new_host) {
if (host_)
host_->RemoveObserver(this);
host_ = new_host;
// |host_| may be null during WebContents destruction or Win32 tab dragging.
if (host_) {
host_->AddObserver(this);
for (std::set<views::Widget*>::iterator it = observed_widgets_.begin();
it != observed_widgets_.end(); ++it) {
views::Widget::ReparentNativeView((*it)->GetNativeView(),
host_->GetHostView());
}
OnPositionRequiresUpdate();
}
}
gfx::NativeWindow NativeWebContentsModalDialogManagerViews::dialog() {
return dialog_;
}
void NativeWebContentsModalDialogManagerViews::ShowWidget(
views::Widget* widget) {
// |host_| may be NULL during tab drag on Views/Win32.
if (host_)
constrained_window::UpdateWebContentsModalDialogPosition(widget, host_);
widget->Show();
}
void NativeWebContentsModalDialogManagerViews::HideWidget(
views::Widget* widget) {
widget->Hide();
}
views::Widget* NativeWebContentsModalDialogManagerViews::GetWidget(
gfx::NativeWindow dialog) {
views::Widget* widget = views::Widget::GetWidgetForNativeWindow(dialog);
DCHECK(widget);
return widget;
}
void NativeWebContentsModalDialogManagerViews::WidgetClosing(
views::Widget* widget) {
#if defined(USE_AURA)
gfx::NativeView view = widget->GetNativeView()->parent();
// Allow the parent to animate again.
if (view && view->parent())
view->parent()->ClearProperty(aura::client::kAnimationsDisabledKey);
#endif
widget->RemoveObserver(this);
observed_widgets_.erase(widget);
#if defined(USE_AURA)
shown_widgets_.erase(widget);
#endif
// Will cause this object to be deleted.
native_delegate_->WillClose(widget->GetNativeWindow());
}
} // namespace constrained_window
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