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// Copyright (c) 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_VIEWS_PANEL_CONTROLLER_H_
#define CHROME_BROWSER_VIEWS_PANEL_CONTROLLER_H_
#include <gtk/gtk.h>
#include "views/controls/button/button.h"
class BrowserWindowGtk;
typedef unsigned long XID;
namespace views {
class ImageButton;
class ImageView;
class Label;
class MouseEvent;
class WidgetGtk;
}
// Controls interactions with the WM for popups / panels.
class PanelController : public views::ButtonListener {
public:
explicit PanelController(BrowserWindowGtk* browser_window);
virtual ~PanelController() {}
bool TitleMousePressed(const views::MouseEvent& event);
void TitleMouseReleased(const views::MouseEvent& event, bool canceled);
bool TitleMouseDragged(const views::MouseEvent& event);
bool PanelClientEvent(GdkEventClient* event);
void OnFocusIn();
void OnFocusOut();
void UpdateTitleBar();
void Close();
// ButtonListener methods.
virtual void ButtonPressed(views::Button* sender);
private:
class TitleContentView : public views::View {
public:
explicit TitleContentView(PanelController* panelController);
virtual ~TitleContentView() {}
virtual void Layout();
virtual bool OnMousePressed(const views::MouseEvent& event);
virtual void OnMouseReleased(const views::MouseEvent& event, bool canceled);
virtual bool OnMouseDragged(const views::MouseEvent& event);
void OnFocusIn();
void OnFocusOut();
views::ImageView* title_icon() { return title_icon_; }
views::Label* title_label() { return title_label_; }
views::ImageButton* close_button() { return close_button_; }
private:
views::ImageView* title_icon_;
views::Label* title_label_;
views::ImageButton* close_button_;
PanelController* panel_controller_;
DISALLOW_COPY_AND_ASSIGN(TitleContentView);
};
// Dispatches client events to PanelController instances
static bool OnPanelClientEvent(
GtkWidget* widget,
GdkEventClient* event,
PanelController* panel_controller);
// Browser window containing content.
BrowserWindowGtk* browser_window_;
// Gtk object for content.
GtkWindow* panel_;
// X id for content.
XID panel_xid_;
// Views object representing title.
views::WidgetGtk* title_window_;
// Gtk object representing title.
GtkWidget* title_;
// X id representing title.
XID title_xid_;
// Views object, holds title and close button.
TitleContentView* title_content_;
// Is the panel expanded or collapsed?
bool expanded_;
// Is the mouse button currently down?
bool mouse_down_;
// Cursor's absolute position when the mouse button was pressed.
int mouse_down_abs_x_;
int mouse_down_abs_y_;
// Cursor's offset from the upper-left corner of the titlebar when the
// mouse button was pressed.
int mouse_down_offset_x_;
int mouse_down_offset_y_;
// Is the titlebar currently being dragged? That is, has the cursor
// moved more than kDragThreshold away from its starting position?
bool dragging_;
DISALLOW_COPY_AND_ASSIGN(PanelController);
};
#endif // CHROME_BROWSER_PANEL_CONTROLLER_H_
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