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// Copyright (c) 2006-2009 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_
#define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_
#include <gdk/gdk.h>
#include <vector>
#include "base/gfx/native_widget_types.h"
#include "chrome/browser/renderer_host/render_widget_host_view.h"
#include "chrome/common/owned_widget_gtk.h"
#include "chrome/common/render_messages.h"
#include "webkit/glue/webcursor.h"
class RenderWidgetHost;
typedef struct _GtkClipboard GtkClipboard;
typedef struct _GtkSelectionData GtkSelectionData;
// -----------------------------------------------------------------------------
// See comments in render_widget_host_view.h about this class and its members.
// -----------------------------------------------------------------------------
class RenderWidgetHostViewGtk : public RenderWidgetHostView {
public:
RenderWidgetHostViewGtk(RenderWidgetHost* widget);
~RenderWidgetHostViewGtk();
// Initialize this object for use as a drawing area.
void InitAsChild();
// TODO(estade): unfork this with RenderWidgetHostViewWin function of same
// name.
void set_activatable(bool activatable) { activatable_ = activatable; }
// ---------------------------------------------------------------------------
// Implementation of RenderWidgetHostView...
void InitAsPopup(RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos);
RenderWidgetHost* GetRenderWidgetHost() const { return host_; }
void DidBecomeSelected();
void WasHidden();
void SetSize(const gfx::Size& size);
gfx::NativeView GetPluginNativeView();
void MovePluginWindows(
const std::vector<WebPluginGeometry>& plugin_window_moves);
void Focus();
void Blur();
bool HasFocus();
void Show();
void Hide();
gfx::Rect GetViewBounds() const;
void UpdateCursor(const WebCursor& cursor);
void SetIsLoading(bool is_loading);
void IMEUpdateStatus(int control, const gfx::Rect& caret_rect);
void DidPaintRect(const gfx::Rect& rect);
void DidScrollRect(
const gfx::Rect& rect, int dx, int dy);
void RenderViewGone();
void Destroy();
void SetTooltipText(const std::wstring& tooltip_text);
void SelectionChanged(const std::string& text);
void PasteFromSelectionClipboard();
BackingStore* AllocBackingStore(const gfx::Size& size);
// ---------------------------------------------------------------------------
gfx::NativeView native_view() const { return view_.get(); }
void Paint(const gfx::Rect&);
private:
friend class RenderWidgetHostViewGtkWidget;
// Update the display cursor for the render view.
void ShowCurrentCursor();
// When we've requested the text from the X clipboard, GTK returns it to us
// through this callback.
static void ReceivedSelectionText(GtkClipboard* clipboard,
const gchar* text,
gpointer userdata);
// The model object.
RenderWidgetHost *const host_;
// The native UI widget.
OwnedWidgetGtk view_;
// Variables used only for popups --------------------------------------------
// Our parent widget.
RenderWidgetHostView* parent_host_view_;
// The native view of our parent, equivalent to
// parent_host_view_->GetPluginNativeView().
GtkWidget* parent_;
// We connect to the parent's focus out event. When we are destroyed, we need
// to remove this handler, so we must keep track of its id.
gulong popup_signal_id_;
// This variable determines our degree of control over user input. If we are
// activatable, we must grab and handle all user input. If we are not
// activatable, then our parent render view retains more control. Example of
// activatable popup: <select> dropdown. Example of non-activatable popup:
// form autocomplete.
bool activatable_;
// This is true when we are currently painting and thus should handle extra
// paint requests by expanding the invalid rect rather than actually
// painting.
bool about_to_validate_and_paint_;
// This is the rectangle which we'll paint.
gfx::Rect invalid_rect_;
// Whether we are currently loading.
bool is_loading_;
// The cursor for the page. This is passed up from the renderer.
WebCursor current_cursor_;
};
#endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_
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