cef/libcef/browser/alloy/dialogs/alloy_web_contents_dialog_h...

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// Copyright (c) 2019 The Chromium Embedded Framework 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 "libcef/browser/alloy/dialogs/alloy_web_contents_dialog_helper.h"
#include "libcef/browser/browser_platform_delegate.h"
#include "base/notreached.h"
#include "chrome/browser/platform_util.h"
#include "components/web_modal/web_contents_modal_dialog_manager.h"
#include "ui/views/widget/widget.h"
AlloyWebContentsDialogHelper::AlloyWebContentsDialogHelper(
content::WebContents* web_contents,
CefBrowserPlatformDelegate* browser_delegate)
: browser_delegate_(browser_delegate), weak_factory_(this) {
web_modal::WebContentsModalDialogManager::CreateForWebContents(web_contents);
web_modal::WebContentsModalDialogManager::FromWebContents(web_contents)
->SetDelegate(this);
}
base::RepeatingClosure
AlloyWebContentsDialogHelper::GetBoundsChangedCallback() {
return base::BindRepeating(&AlloyWebContentsDialogHelper::OnBoundsChanged,
weak_factory_.GetWeakPtr());
}
bool AlloyWebContentsDialogHelper::IsWebContentsVisible(
content::WebContents* web_contents) {
if (browser_delegate_->IsWindowless()) {
return !browser_delegate_->IsHidden();
} else if (auto native_view = web_contents->GetNativeView()) {
return platform_util::IsVisible(native_view);
}
DCHECK(false);
return false;
}
web_modal::WebContentsModalDialogHost*
AlloyWebContentsDialogHelper::GetWebContentsModalDialogHost() {
return this;
}
gfx::NativeView AlloyWebContentsDialogHelper::GetHostView() const {
// Windowless rendering uses GetAcceleratedWidget() instead.
if (browser_delegate_->IsWindowless()) {
return gfx::NativeView();
}
if (auto widget = browser_delegate_->GetWindowWidget()) {
return widget->GetNativeView();
}
DCHECK(false);
return gfx::NativeView();
}
gfx::AcceleratedWidget AlloyWebContentsDialogHelper::GetAcceleratedWidget()
const {
#if defined(USE_AURA)
// Windowed rendering uses GetHostView() instead.
if (!browser_delegate_->IsWindowless()) {
return gfx::kNullAcceleratedWidget;
}
if (auto parent_widget = browser_delegate_->GetHostWindowHandle()) {
return parent_widget;
}
#endif // defined(USE_AURA)
DCHECK(false);
return gfx::kNullAcceleratedWidget;
}
gfx::Point AlloyWebContentsDialogHelper::GetDialogPosition(
const gfx::Size& size) {
return browser_delegate_->GetDialogPosition(size);
}
gfx::Size AlloyWebContentsDialogHelper::GetMaximumDialogSize() {
return browser_delegate_->GetMaximumDialogSize();
}
void AlloyWebContentsDialogHelper::AddObserver(
web_modal::ModalDialogHostObserver* observer) {
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if (observer && !observer_list_.HasObserver(observer)) {
observer_list_.AddObserver(observer);
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}
}
void AlloyWebContentsDialogHelper::RemoveObserver(
web_modal::ModalDialogHostObserver* observer) {
observer_list_.RemoveObserver(observer);
}
void AlloyWebContentsDialogHelper::OnBoundsChanged() {
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for (auto& observer : observer_list_) {
observer.OnPositionRequiresUpdate();
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}
}