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/* vim: se cin sw=2 ts=2 et : */
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef __mozilla_widget_TaskbarTabPreview_h__
#define __mozilla_widget_TaskbarTabPreview_h__
#include "nsITaskbarTabPreview.h"
#include "TaskbarPreview.h"
namespace mozilla {
namespace widget {
class TaskbarTabPreview : public nsITaskbarTabPreview, public TaskbarPreview {
virtual ~TaskbarTabPreview();
TaskbarTabPreview(ITaskbarList4* aTaskbar,
nsITaskbarPreviewController* aController, HWND aHWND,
nsIDocShell* aShell);
virtual nsresult Init() override;
virtual nsresult ShowActive(bool active);
virtual HWND& PreviewWindow();
virtual LRESULT WndProc(UINT nMsg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK GlobalWndProc(HWND hWnd, UINT nMsg, WPARAM wParam,
LPARAM lParam);
virtual nsresult UpdateTaskbarProperties();
virtual nsresult Enable();
virtual nsresult Disable();
virtual void DetachFromNSWindow();
// WindowHook procedure for hooking mWnd
static bool MainWindowHook(void* aContext, HWND hWnd, UINT nMsg,
WPARAM wParam, LPARAM lParam, LRESULT* aResult);
// Bug 520807 - we need to update the proxy window style based on the main
// window's style to workaround a bug with the way the DWM displays the
// previews.
void UpdateProxyWindowStyle();
nsresult UpdateTitle();
nsresult UpdateIcon();
nsresult UpdateNext();
// Handle to the toplevel proxy window
HWND mProxyWindow;
nsString mTitle;
nsCOMPtr<imgIContainer> mIconImage;
// Cached Windows icon of mIconImage
HICON mIcon;
// Preview that follows this preview in the taskbar (left-to-right order)
nsCOMPtr<nsITaskbarTabPreview> mNext;
// True if this preview has been registered with the taskbar
bool mRegistered;
} // namespace widget
} // namespace mozilla
#endif /* __mozilla_widget_TaskbarTabPreview_h__ */