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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/extensions/extension_view_views.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/extension_view_host.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/extensions/extension_popup.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "extensions/common/mojom/view_type.mojom.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/events/event.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/widget/widget.h"
ExtensionViewViews::ExtensionViewViews(Profile* profile,
extensions::ExtensionViewHost* host)
: views::WebView(profile), host_(host) {
web_contents_attached_subscription_ =
AddWebContentsAttachedCallback(base::BindRepeating(
&ExtensionViewViews::OnWebContentsAttached, base::Unretained(this)));
host_->set_view(this);
SetWebContents(host_->web_contents());
}
ExtensionViewViews::~ExtensionViewViews() {
if (parent()) {
parent()->RemoveChildView(this);
}
observers_.Notify(&Observer::OnViewDestroying);
}
void ExtensionViewViews::Init() {
if (host_->extension_host_type() ==
extensions::mojom::ViewType::kExtensionPopup) {
DCHECK(container_);
// This will set the max popup bounds for the duration of the popup's
// lifetime; they won't be readjusted if the window moves. This is usually
// okay, since moving the window typically (but not always) results in
// the popup closing.
EnableSizingFromWebContents(container_->GetMinBounds(),
container_->GetMaxBounds());
}
}
void ExtensionViewViews::VisibilityChanged(View* starting_from,
bool is_visible) {
views::WebView::VisibilityChanged(starting_from, is_visible);
if (starting_from == this) {
// Also tell RenderWidgetHostView the new visibility. Despite its name, it
// is not part of the View hierarchy and does not know about the change
// unless we tell it.
content::RenderWidgetHostView* host_view =
host_->main_frame_host()->GetView();
if (host_view) {
if (is_visible) {
host_view->Show();
} else {
host_view->Hide();
}
}
}
}
gfx::Size ExtensionViewViews::GetMinimumSize() const {
return minimum_size_.value_or(GetPreferredSize());
}
void ExtensionViewViews::SetMinimumSize(const gfx::Size& minimum_size) {
if (minimum_size_ && minimum_size_.value() == minimum_size) {
return;
}
minimum_size_ = minimum_size;
OnPropertyChanged(&minimum_size_,
views::kPropertyEffectsPreferredSizeChanged);
}
void ExtensionViewViews::SetContainer(
ExtensionViewViews::Container* container) {
container_ = container;
OnPropertyChanged(&container_, views::kPropertyEffectsPreferredSizeChanged);
}
ExtensionViewViews::Container* ExtensionViewViews::GetContainer() const {
return container_.get();
}
void ExtensionViewViews::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void ExtensionViewViews::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
gfx::NativeView ExtensionViewViews::GetNativeView() {
return holder()->native_view();
}
void ExtensionViewViews::ResizeDueToAutoResize(
content::WebContents* web_contents,
const gfx::Size& new_size) {
// Don't actually do anything with this information until we have been shown.
// Size changes will not be honored by lower layers while we are hidden.
if (!GetVisible()) {
pending_preferred_size_ = new_size;
return;
}
WebView::ResizeDueToAutoResize(web_contents, new_size);
}
void ExtensionViewViews::RenderFrameCreated(
content::RenderFrameHost* frame_host) {
WebView::RenderFrameCreated(frame_host);
}
bool ExtensionViewViews::HandleKeyboardEvent(
content::WebContents* source,
const input::NativeWebKeyboardEvent& event) {
return unhandled_keyboard_event_handler_.HandleKeyboardEvent(
event, GetFocusManager());
}
void ExtensionViewViews::OnLoaded() {
DCHECK(host_->has_loaded_once());
// ExtensionPopup delegates showing the view to OnLoaded(). ExtensionDialog
// handles visibility directly.
if (GetVisible()) {
return;
}
SetVisible(true);
ResizeDueToAutoResize(web_contents(), pending_preferred_size_);
}
ui::Cursor ExtensionViewViews::GetCursor(const ui::MouseEvent& event) {
return ui::Cursor();
}
void ExtensionViewViews::OnWebContentsAttached(views::WebView*) {
host_->CreateRendererSoon();
SetVisible(false);
}
BEGIN_METADATA(ExtensionViewViews)
ADD_PROPERTY_METADATA(gfx::Size, MinimumSize)
ADD_PROPERTY_METADATA(ExtensionViewViews::Container*, Container)
END_METADATA
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