blob: 8f44ffb1630309474ff67bd8d1f5616efbb5de8f [file] [log] [blame]
// Copyright 2015 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 "build/build_config.h"
#include "content/common/content_export.h"
namespace blink {
class WebMouseEvent;
namespace gfx {
class Rect;
namespace content {
struct ContextMenuParams;
class FrameTreeNode;
struct NativeWebKeyboardEvent;
class RenderFrameHost;
struct WebPreferences;
// RenderWidgetHostOwnerDelegate
// An interface implemented by an object owning a RenderWidgetHost. This is
// intended to be temporary until the RenderViewHostImpl and
// RenderWidgetHostImpl classes are disentangled; see
// and
class CONTENT_EXPORT RenderWidgetHostOwnerDelegate {
// The RenderWidgetHost has been initialized.
virtual void RenderWidgetDidInit() = 0;
// The RenderWidget was closed. Only swapped-in RenderWidgets receive this.
virtual void RenderWidgetDidClose() = 0;
// The RenderWidget finished the first visually non-empty paint.
virtual void RenderWidgetDidFirstVisuallyNonEmptyPaint() = 0;
// The RenderWidget has issued a draw command, signaling the widget
// has been visually updated.
virtual void RenderWidgetDidCommitAndDrawCompositorFrame() = 0;
// The RenderWidgetHost got the focus.
virtual void RenderWidgetGotFocus() = 0;
// The RenderWidgetHost lost the focus.
virtual void RenderWidgetLostFocus() = 0;
// The RenderWidgetHost forwarded a mouse event.
virtual void RenderWidgetDidForwardMouseEvent(
const blink::WebMouseEvent& mouse_event) = 0;
// The RenderWidgetHost wants to forward a keyboard event; returns whether
// it's allowed to do so.
virtual bool MayRenderWidgetForwardKeyboardEvent(
const NativeWebKeyboardEvent& key_event) = 0;
// Allow OwnerDelegate to control whether its RenderWidgetHost contributes
// priority to the RenderProcessHost.
virtual bool ShouldContributePriorityToProcess() = 0;
// Notify the OwnerDelegate that the renderer has requested a change in
// the bounds of the content area.
virtual void RequestSetBounds(const gfx::Rect& bounds) = 0;
// When false, this allows the renderer's output to be transparent. By default
// the renderer's background is forced to be opaque.
virtual void SetBackgroundOpaque(bool opaque) = 0;
// Returns true if the main frame is active, false if it is swapped out.
virtual bool IsMainFrameActive() = 0;
// Returns true if the page, including any widgets, will never be visible.
virtual bool IsNeverVisible() = 0;
// Returns the WebkitPreferences for the page. The preferences are shared
// between all widgets for the page.
virtual WebPreferences GetWebkitPreferencesForWidget() = 0;
// Returns the focused frame.
virtual FrameTreeNode* GetFocusedFrame() = 0;
// Shows a context menu that is built using the context information
// provided in |params|.
virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
const ContextMenuParams& params) = 0;
virtual ~RenderWidgetHostOwnerDelegate() {}
} // namespace content