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-rw-r--r--widget/windows/TaskbarTabPreview.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/widget/windows/TaskbarTabPreview.h b/widget/windows/TaskbarTabPreview.h
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+++ b/widget/windows/TaskbarTabPreview.h
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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 http://mozilla.org/MPL/2.0/. */
+
+#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();
+
+ public:
+ TaskbarTabPreview(ITaskbarList4* aTaskbar,
+ nsITaskbarPreviewController* aController, HWND aHWND,
+ nsIDocShell* aShell);
+ virtual nsresult Init() override;
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSITASKBARTABPREVIEW
+ NS_FORWARD_NSITASKBARPREVIEW(TaskbarPreview::)
+
+ private:
+ 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__ */