| // 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. |
| |
| #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GTK_H_ |
| #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GTK_H_ |
| |
| #include <gtk/gtk.h> |
| |
| #include <vector> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "content/common/content_export.h" |
| #include "content/common/drag_event_source_info.h" |
| #include "content/port/browser/render_view_host_delegate_view.h" |
| #include "content/port/browser/web_contents_view_port.h" |
| #include "ui/base/gtk/focus_store_gtk.h" |
| #include "ui/base/gtk/gtk_signal.h" |
| #include "ui/base/gtk/owned_widget_gtk.h" |
| |
| namespace content { |
| |
| class WebContents; |
| class WebContentsImpl; |
| class WebContentsViewDelegate; |
| class WebDragDestDelegate; |
| class WebDragDestGtk; |
| class WebDragSourceGtk; |
| |
| class CONTENT_EXPORT WebContentsViewGtk |
| : public WebContentsViewPort, |
| public RenderViewHostDelegateView { |
| public: |
| // The corresponding WebContentsImpl is passed in the constructor, and manages |
| // our lifetime. This doesn't need to be the case, but is this way currently |
| // because that's what was easiest when they were split. We optionally take |
| // |wrapper| which creates an intermediary widget layer for features from the |
| // Embedding layer that lives with the WebContentsView. |
| WebContentsViewGtk(WebContentsImpl* web_contents, |
| WebContentsViewDelegate* delegate); |
| virtual ~WebContentsViewGtk(); |
| |
| WebContentsViewDelegate* delegate() const { return delegate_.get(); } |
| WebContents* web_contents(); |
| |
| // WebContentsView implementation -------------------------------------------- |
| |
| virtual gfx::NativeView GetNativeView() const OVERRIDE; |
| virtual gfx::NativeView GetContentNativeView() const OVERRIDE; |
| virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE; |
| virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE; |
| virtual void OnTabCrashed(base::TerminationStatus status, |
| int error_code) OVERRIDE; |
| virtual void SizeContents(const gfx::Size& size) OVERRIDE; |
| virtual void Focus() OVERRIDE; |
| virtual void SetInitialFocus() OVERRIDE; |
| virtual void StoreFocus() OVERRIDE; |
| virtual void RestoreFocus() OVERRIDE; |
| virtual DropData* GetDropData() const OVERRIDE; |
| virtual gfx::Rect GetViewBounds() const OVERRIDE; |
| |
| // WebContentsViewPort implementation ---------------------------------------- |
| virtual void CreateView( |
| const gfx::Size& initial_size, gfx::NativeView context) OVERRIDE; |
| virtual RenderWidgetHostView* CreateViewForWidget( |
| RenderWidgetHost* render_widget_host) OVERRIDE; |
| virtual RenderWidgetHostView* CreateViewForPopupWidget( |
| RenderWidgetHost* render_widget_host) OVERRIDE; |
| virtual void SetPageTitle(const base::string16& title) OVERRIDE; |
| virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE; |
| virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE; |
| virtual void SetOverscrollControllerEnabled(bool enabled) OVERRIDE; |
| |
| // Backend implementation of RenderViewHostDelegateView. |
| virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE; |
| virtual void ShowPopupMenu(const gfx::Rect& bounds, |
| int item_height, |
| double item_font_size, |
| int selected_item, |
| const std::vector<MenuItem>& items, |
| bool right_aligned, |
| bool allow_multiple_selection) OVERRIDE; |
| virtual void StartDragging(const DropData& drop_data, |
| blink::WebDragOperationsMask allowed_ops, |
| const gfx::ImageSkia& image, |
| const gfx::Vector2d& image_offset, |
| const DragEventSourceInfo& event_info) OVERRIDE; |
| virtual void UpdateDragCursor(blink::WebDragOperation operation) OVERRIDE; |
| virtual void GotFocus() OVERRIDE; |
| virtual void TakeFocus(bool reverse) OVERRIDE; |
| |
| private: |
| // Insert the given widget into the content area. Should only be used for |
| // web pages and the like (including interstitials and sad tab). Note that |
| // this will be perfectly happy to insert overlapping render views, so care |
| // should be taken that the correct one is hidden/shown. |
| void InsertIntoContentArea(GtkWidget* widget); |
| |
| // Replaces, or updates, the existing WebDragDestGtk with one for |new_host|. |
| // This must be called when swapping in, or creating a swapped in, RVH. |
| void UpdateDragDest(RenderViewHost* new_host); |
| |
| // Handle focus traversal on the render widget native view. Can be overridden |
| // by subclasses. |
| CHROMEGTK_CALLBACK_1(WebContentsViewGtk, gboolean, OnFocus, GtkDirectionType); |
| |
| // Used to adjust the size of its children when the size of |expanded_| is |
| // changed. |
| CHROMEGTK_CALLBACK_2(WebContentsViewGtk, void, OnChildSizeRequest, |
| GtkWidget*, GtkRequisition*); |
| |
| // Used to propagate the size change of |expanded_| to our RWHV to resize the |
| // renderer content. |
| CHROMEGTK_CALLBACK_1(WebContentsViewGtk, void, OnSizeAllocate, |
| GtkAllocation*); |
| |
| // The WebContentsImpl whose contents we display. |
| WebContentsImpl* web_contents_; |
| |
| // This container holds the tab's web page views. It is a GtkExpandedContainer |
| // so that we can control the size of the web pages. |
| ui::OwnedWidgetGtk expanded_; |
| |
| ui::FocusStoreGtk focus_store_; |
| |
| // The helper object that handles drag destination related interactions with |
| // GTK. |
| scoped_ptr<WebDragDestGtk> drag_dest_; |
| |
| // Object responsible for handling drags from the page for us. |
| scoped_ptr<WebDragSourceGtk> drag_source_; |
| |
| // Our optional views wrapper. If non-NULL, we return this widget as our |
| // GetNativeView() and insert |expanded_| as its child in the GtkWidget |
| // hierarchy. |
| scoped_ptr<WebContentsViewDelegate> delegate_; |
| |
| // The size we want the view to be. We keep this in a separate variable |
| // because resizing in GTK+ is async. |
| gfx::Size requested_size_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsViewGtk); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GTK_H_ |