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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 "base/scoped_ptr.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/plugins/gtk_plugin_container_manager.h"
#include "webkit/glue/webcursor.h"
class RenderWidgetHost;
// A conveience wrapper class for GtkIMContext;
class RenderWidgetHostViewGtkIMContext;
typedef struct _GtkClipboard GtkClipboard;
typedef struct _GtkSelectionData GtkSelectionData;
typedef struct _GtkIMContext GtkIMContext;
// -----------------------------------------------------------------------------
// 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();
// RenderWidgetHostView implementation.
virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos);
virtual RenderWidgetHost* GetRenderWidgetHost() const { return host_; }
virtual void DidBecomeSelected();
virtual void WasHidden();
virtual void SetSize(const gfx::Size& size);
virtual gfx::NativeView GetNativeView();
virtual void MovePluginWindows(
const std::vector<WebPluginGeometry>& plugin_window_moves);
virtual void Focus();
virtual void Blur();
virtual bool HasFocus();
virtual void Show();
virtual void Hide();
virtual gfx::Rect GetViewBounds() const;
virtual void UpdateCursor(const WebCursor& cursor);
virtual void SetIsLoading(bool is_loading);
virtual void IMEUpdateStatus(int control, const gfx::Rect& caret_rect);
virtual void DidPaintRect(const gfx::Rect& rect);
virtual void DidScrollRect(const gfx::Rect& rect, int dx, int dy);
virtual void RenderViewGone();
virtual void Destroy();
virtual void SetTooltipText(const std::wstring& tooltip_text);
virtual void SelectionChanged(const std::string& text);
virtual void PasteFromSelectionClipboard();
virtual void ShowingContextMenu(bool showing);
virtual BackingStore* AllocBackingStore(const gfx::Size& size);
virtual gfx::PluginWindowHandle CreatePluginContainer(
base::ProcessId plugin_process_id);
virtual void DestroyPluginContainer(gfx::PluginWindowHandle container);
virtual void PluginProcessCrashed(base::ProcessId pid);
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_;
// 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 or not this widget is hidden.
bool is_hidden_;
// Whether we are currently loading.
bool is_loading_;
// The cursor for the page. This is passed up from the renderer.
WebCursor current_cursor_;
// Whether we are showing a context menu.
bool is_showing_context_menu_;
// Variables used only for popups --------------------------------------------
// Our parent widget.
RenderWidgetHostView* parent_host_view_;
// The native view of our parent, equivalent to
// parent_host_view_->GetNativeView().
GtkWidget* parent_;
// We ignore the first mouse release on popups. This allows the popup to
// stay open.
bool is_popup_first_mouse_release_;
// Whether or not this widget was focused before shadowed by another widget.
// Used in OnGrabNotify() handler to track the focused state correctly.
bool was_focused_before_grab_;
// A conveience wrapper object for GtkIMContext;
scoped_ptr<RenderWidgetHostViewGtkIMContext> im_context_;
// Helper class that lets us allocate plugin containers and move them.
GtkPluginContainerManager plugin_container_manager_;
// A map of plugin process id -> windows related to that process.
// Lets us clean up immediately when a plugin process crashes.
typedef std::multimap<base::ProcessId, gfx::PluginWindowHandle> PluginPidMap;
PluginPidMap plugin_pid_map_;
};
#endif // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_
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