| // 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. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_ |
| |
| #include "build/build_config.h" |
| #include "content/common/content_export.h" |
| #include "content/common/visual_properties.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 http://crbug.com/542477 |
| // and http://crbug.com/478281. |
| class CONTENT_EXPORT RenderWidgetHostOwnerDelegate { |
| public: |
| // 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 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; |
| |
| protected: |
| virtual ~RenderWidgetHostOwnerDelegate() {} |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_OWNER_DELEGATE_H_ |