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content / browser / web_contents / web_contents_view_ios.mm [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "content/browser/web_contents/web_contents_view_ios.h"
#import <UIKit/UIKit.h>
#include <memory>
#include <string>
#include <utility>
#include "base/apple/foundation_util.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/renderer_host/popup_menu_helper_ios.h"
#include "content/browser/renderer_host/render_widget_host_view_ios.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/context_menu_params.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_view_delegate.h"
#include "ui/base/cocoa/animation_utils.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
namespace {
WebContentsViewIOS::RenderWidgetHostViewCreateFunction
g_create_render_widget_host_view = nullptr;
} // namespace
// static
void WebContentsViewIOS::InstallCreateHookForTests(
RenderWidgetHostViewCreateFunction create_render_widget_host_view) {
CHECK_EQ(nullptr, g_create_render_widget_host_view);
g_create_render_widget_host_view = create_render_widget_host_view;
}
// This class holds strongly so we don't leak that in the header of the
// WebContentsViewIOS.
class WebContentsUIViewHolder {
public:
UIScrollView* __strong view_;
};
std::unique_ptr<WebContentsView> CreateWebContentsView(
WebContentsImpl* web_contents,
std::unique_ptr<WebContentsViewDelegate> delegate,
raw_ptr<RenderViewHostDelegateView>* render_view_host_delegate_view) {
auto rv =
std::make_unique<WebContentsViewIOS>(web_contents, std::move(delegate));
*render_view_host_delegate_view = rv.get();
return rv;
}
WebContentsViewIOS::WebContentsViewIOS(
WebContentsImpl* web_contents,
std::unique_ptr<WebContentsViewDelegate> delegate)
: web_contents_(web_contents), delegate_(std::move(delegate)) {
ui_view_ = std::make_unique<WebContentsUIViewHolder>();
ui_view_->view_ = [[UIScrollView alloc] init];
[ui_view_->view_ setScrollEnabled:NO];
[ui_view_->view_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth |
UIViewAutoresizingFlexibleHeight];
}
WebContentsViewIOS::~WebContentsViewIOS() {}
gfx::NativeView WebContentsViewIOS::GetNativeView() const {
return gfx::NativeView(ui_view_->view_);
}
gfx::NativeView WebContentsViewIOS::GetContentNativeView() const {
RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
if (!rwhv) {
return gfx::NativeView();
}
return rwhv->GetNativeView();
}
gfx::NativeWindow WebContentsViewIOS::GetTopLevelNativeWindow() const {
gfx::NativeView view = GetContentNativeView();
if (!view) {
return gfx::NativeWindow();
}
return gfx::NativeWindow(view.Get().window);
}
gfx::Rect WebContentsViewIOS::GetContainerBounds() const {
return gfx::Rect();
}
void WebContentsViewIOS::OnCapturerCountChanged() {}
void WebContentsViewIOS::FullscreenStateChanged(bool is_fullscreen) {
if (is_fullscreen && popup_menu_helper_) {
popup_menu_helper_->CloseMenu();
}
}
void WebContentsViewIOS::UpdateWindowControlsOverlay(
const gfx::Rect& bounding_rect) {}
void WebContentsViewIOS::Focus() {
if (delegate_) {
delegate_->ResetStoredFocus();
}
// Focus the the fullscreen view, if one exists; otherwise, focus the content
// native view. This ensures that the view currently attached to a NSWindow is
// being used to query or set first responder state.
RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
if (!rwhv) {
return;
}
static_cast<RenderWidgetHostViewBase*>(rwhv)->Focus();
}
void WebContentsViewIOS::SetInitialFocus() {
if (delegate_) {
delegate_->ResetStoredFocus();
}
if (web_contents_->FocusLocationBarByDefault()) {
web_contents_->SetFocusToLocationBar();
} else {
Focus();
}
}
void WebContentsViewIOS::StoreFocus() {
if (delegate_) {
delegate_->StoreFocus();
}
}
void WebContentsViewIOS::RestoreFocus() {
if (delegate_ && delegate_->RestoreFocus()) {
return;
}
// Fall back to the default focus behavior if we could not restore focus.
// TODO(shess): If location-bar gets focus by default, this will
// select-all in the field. If there was a specific selection in
// the field when we navigated away from it, we should restore
// that selection.
SetInitialFocus();
}
void WebContentsViewIOS::FocusThroughTabTraversal(bool reverse) {
if (delegate_) {
delegate_->ResetStoredFocus();
}
web_contents_->GetRenderViewHost()->SetInitialFocus(reverse);
}
DropData* WebContentsViewIOS::GetDropData() const {
return nullptr;
}
gfx::Rect WebContentsViewIOS::GetViewBounds() const {
return gfx::Rect(ui_view_->view_.contentSize.width,
ui_view_->view_.contentSize.height);
}
void WebContentsViewIOS::GotFocus(RenderWidgetHostImpl* render_widget_host) {
web_contents_->NotifyWebContentsFocused(render_widget_host);
}
void WebContentsViewIOS::LostFocus(RenderWidgetHostImpl* render_widget_host) {
web_contents_->NotifyWebContentsLostFocus(render_widget_host);
}
void WebContentsViewIOS::ShowContextMenu(RenderFrameHost& render_frame_host,
const ContextMenuParams& params) {
if (delegate_) {
delegate_->ShowContextMenu(render_frame_host, params);
} else {
DLOG(ERROR) << "Cannot show context menus without a delegate.";
}
}
void WebContentsViewIOS::ShowPopupMenu(
RenderFrameHost* render_frame_host,
mojo::PendingRemote<blink::mojom::PopupMenuClient> popup_client,
const gfx::Rect& bounds,
int item_height,
double item_font_size,
int selected_item,
std::vector<blink::mojom::MenuItemPtr> menu_items,
bool right_aligned,
bool allow_multiple_selection) {
popup_menu_helper_ = std::make_unique<PopupMenuHelper>(
this, render_frame_host, std::move(popup_client));
popup_menu_helper_->ShowPopupMenu(bounds, item_height, item_font_size,
selected_item, std::move(menu_items),
right_aligned, allow_multiple_selection);
}
void WebContentsViewIOS::OnMenuClosed() {
popup_menu_helper_.reset();
}
void WebContentsViewIOS::CreateView(gfx::NativeView context) {}
RenderWidgetHostViewBase* WebContentsViewIOS::CreateViewForWidget(
RenderWidgetHost* render_widget_host) {
if (g_create_render_widget_host_view) {
return g_create_render_widget_host_view(render_widget_host);
}
return new RenderWidgetHostViewIOS(render_widget_host);
}
RenderWidgetHostViewBase* WebContentsViewIOS::CreateViewForChildWidget(
RenderWidgetHost* render_widget_host) {
return new RenderWidgetHostViewIOS(render_widget_host);
}
void WebContentsViewIOS::SetPageTitle(const std::u16string& title) {
// Meaningless on the Mac; widgets don't have a "title" attribute
}
void WebContentsViewIOS::RenderViewReady() {}
void WebContentsViewIOS::RenderViewHostChanged(RenderViewHost* old_host,
RenderViewHost* new_host) {
ScopedCAActionDisabler disabler;
if (old_host) {
auto* rwhv = old_host->GetWidget()->GetView();
if (rwhv && rwhv->GetNativeView()) {
static_cast<RenderWidgetHostViewIOS*>(rwhv)->UpdateNativeViewTree(
gfx::NativeView());
}
}
auto* rwhv = new_host->GetWidget()->GetView();
if (rwhv && rwhv->GetNativeView()) {
static_cast<RenderWidgetHostViewIOS*>(rwhv)->UpdateNativeViewTree(
GetNativeView());
}
web_contents_->UpdateBrowserControlsState(cc::BrowserControlsState::kBoth,
cc::BrowserControlsState::kHidden,
false, std::nullopt);
}
void WebContentsViewIOS::SetOverscrollControllerEnabled(bool enabled) {}
int WebContentsViewIOS::GetTopControlsHeight() const {
auto* delegate = web_contents_->GetDelegate();
return delegate ? delegate->GetTopControlsHeight() : 0;
}
int WebContentsViewIOS::GetTopControlsMinHeight() const {
auto* delegate = web_contents_->GetDelegate();
return delegate ? delegate->GetTopControlsMinHeight() : 0;
}
int WebContentsViewIOS::GetBottomControlsHeight() const {
auto* delegate = web_contents_->GetDelegate();
return delegate ? delegate->GetBottomControlsHeight() : 0;
}
int WebContentsViewIOS::GetBottomControlsMinHeight() const {
auto* delegate = web_contents_->GetDelegate();
return delegate ? delegate->GetBottomControlsMinHeight() : 0;
}
bool WebContentsViewIOS::ShouldAnimateBrowserControlsHeightChanges() const {
auto* delegate = web_contents_->GetDelegate();
return delegate && delegate->ShouldAnimateBrowserControlsHeightChanges();
}
bool WebContentsViewIOS::DoBrowserControlsShrinkRendererSize() const {
auto* delegate = web_contents_->GetDelegate();
return delegate &&
delegate->DoBrowserControlsShrinkRendererSize(web_contents_);
}
bool WebContentsViewIOS::OnlyExpandTopControlsAtPageTop() const {
auto* delegate = web_contents_->GetDelegate();
return delegate && delegate->OnlyExpandTopControlsAtPageTop();
}
BackForwardTransitionAnimationManager*
WebContentsViewIOS::GetBackForwardTransitionAnimationManager() {
return nullptr;
}
} // namespace content