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1 /* vim: se cin sw=2 ts=2 et : */ |
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2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
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3 * |
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4 * This Source Code Form is subject to the terms of the Mozilla Public |
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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7 |
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8 #include "nsITaskbarPreview.idl" |
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9 interface nsITaskbarPreviewButton; |
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10 |
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11 /* |
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12 * nsITaskbarWindowPreview |
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13 * |
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14 * This interface represents the preview for a window in the taskbar. By |
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15 * default, Windows implements much of the behavior for applications by |
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16 * default. The primary purpose of this interface is to allow Gecko |
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17 * applications to take control over parts of the preview. Some parts are not |
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18 * controlled through this interface: the title and icon of the preview match |
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19 * the title and icon of the window always. |
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20 * |
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21 * By default, Windows takes care of drawing the thumbnail and preview for the |
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22 * application however if enableCustomDrawing is set to true, then the |
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23 * controller will start to receive drawPreview and drawThumbnail calls as well |
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24 * as reads on the thumbnailAspectRatio, width and height properties. |
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25 * |
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26 * By default, nsITaskbarWindowPreviews are visible. When made invisible, the |
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27 * window disappears from the list of windows in the taskbar for the |
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28 * application. |
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29 * |
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30 * If the window has any visible nsITaskbarTabPreviews, then the |
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31 * nsITaskbarWindowPreview for the corresponding window is automatically |
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32 * hidden. This is not reflected in the visible property. Note that other parts |
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33 * of the system (such as alt-tab) may still request thumbnails and/or previews |
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34 * through the nsITaskbarWindowPreview's controller. |
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35 * |
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36 * nsITaskbarWindowPreview will never invoke the controller's onClose or |
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37 * onActivate methods since handling them may conflict with other internal |
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38 * Gecko state and there is existing infrastructure in place to allow clients |
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39 * to handle those events |
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40 * |
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41 * Window previews may have a toolbar with up to 7 buttons. See |
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42 * nsITaskbarPreviewButton for more information about button properties. |
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43 */ |
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44 [scriptable, uuid(EC67CC57-342D-4064-B4C6-74A375E07B10)] |
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45 interface nsITaskbarWindowPreview : nsITaskbarPreview |
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46 { |
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47 /** |
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48 * Max 7 buttons per preview per the Windows Taskbar API |
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49 */ |
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50 const long NUM_TOOLBAR_BUTTONS = 7; |
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51 |
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52 /** |
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53 * Gets the nth button for the preview image. By default, all of the buttons |
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54 * are invisible. |
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55 * |
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56 * @see nsITaskbarPreviewButton |
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57 * |
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58 * @param index The index into the button array. Must be >= 0 and < |
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59 * MAX_TOOLBAR_BUTTONS. |
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60 */ |
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61 nsITaskbarPreviewButton getButton(in unsigned long index); |
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62 |
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63 /** |
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64 * Enables/disables custom drawing of thumbnails and previews |
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65 * |
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66 * Default value: false |
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67 */ |
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68 attribute boolean enableCustomDrawing; |
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69 }; |
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70 |