blob: e8ad82fab5ad5454338f246f4c616b64417a22db [file] [log] [blame]
// 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.
#if defined(__OBJC__)
#import <Cocoa/Cocoa.h>
#include "base/callback_forward.h"
#include "content/common/content_export.h"
#include "ui/gfx/native_widget_types.h"
#if defined(__OBJC__)
@protocol RenderWidgetHostViewMacDelegate;
namespace content {
class RenderFrameHost;
class RenderWidgetHost;
class WebDragDestDelegate;
struct ContextMenuParams;
// This interface allows a client to extend the functionality of the
// WebContentsView implementation.
class CONTENT_EXPORT WebContentsViewDelegate {
virtual ~WebContentsViewDelegate();
// Returns the native window containing the WebContents, or nullptr if the
// WebContents is not in any window.
virtual gfx::NativeWindow GetNativeWindow();
// Returns a delegate to process drags not handled by content.
virtual WebDragDestDelegate* GetDragDestDelegate();
// Shows a context menu.
virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
const ContextMenuParams& params);
// Store the current focused view and start tracking it.
virtual void StoreFocus();
// Restore focus to stored view if possible, return true if successful.
virtual bool RestoreFocus();
// Clears any stored focus.
virtual void ResetStoredFocus();
// Allows the delegate to intercept a request to focus the WebContents,
// and focus something else instead. Returns true when intercepted.
virtual bool Focus();
// Advance focus to the view that follows or precedes the WebContents.
virtual bool TakeFocus(bool reverse);
// Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle
// events on the responder chain.
#if defined(__OBJC__)
virtual NSObject<RenderWidgetHostViewMacDelegate>*
CreateRenderWidgetHostViewDelegate(RenderWidgetHost* render_widget_host,
bool is_popup);
virtual void* CreateRenderWidgetHostViewDelegate(
RenderWidgetHost* render_widget_host,
bool is_popup);
} // namespace content