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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WidgetClientWin_H__ | |
6 #define WidgetClientWin_H__ | |
7 | |
8 #include "base/gfx/native_widget_types.h" | |
9 #include "WidgetClient.h" | |
10 | |
11 class SkBitmap; | |
12 | |
13 namespace WebCore { | |
14 | |
15 class Cursor; | |
16 class IntRect; | |
17 class Range; | |
18 | |
19 // Generic interface for features needed by the Widget. | |
20 class WidgetClientWin : public WidgetClient { | |
21 public: | |
22 virtual ~WidgetClientWin() {} | |
23 | |
24 // Returns the containing window for the Widget. | |
25 // TODO(pinkerton): this needs a better name, "window" is incorrect on other | |
26 // platforms. | |
27 virtual gfx::ViewHandle containingWindow() = 0; | |
28 | |
29 // Invalidate a region of the widget's containing window. | |
30 virtual void invalidateRect(const IntRect& damagedRect) = 0; | |
31 | |
32 // Scroll the region of the widget's containing window within the given | |
33 // clipRect by the specified dx and dy. | |
34 virtual void scrollRect(int dx, int dy, const IntRect& clipRect) = 0; | |
35 | |
36 // Notifies the client of a new popup widget. The client should place | |
37 // and size the widget with the given bounds, relative to the screen. | |
38 virtual void popupOpened(Widget* widget, const IntRect& bounds) = 0; | |
39 | |
40 // Notifies the client that the given popup widget has closed. | |
41 virtual void popupClosed(Widget* widget) = 0; | |
42 | |
43 // Indicates that a new cursor should be shown. | |
44 virtual void setCursor(const Cursor& cursor) = 0; | |
45 | |
46 // Indicates the widget thinks it has focus. This should give focus to the | |
47 // window hosting the widget. | |
48 virtual void setFocus() = 0; | |
49 | |
50 // This function is called to retrieve a resource bitmap from the | |
51 // renderer that was cached as a result of the renderer receiving a | |
52 // ViewMsg_Preload_Bitmap message from the browser. | |
53 virtual const SkBitmap* getPreloadedResourceBitmap(int resource_id) = 0; | |
54 | |
55 // Notification that the given widget's scroll position has changed. This | |
56 // function is called AFTER the position has been updated. | |
57 virtual void onScrollPositionChanged(Widget* widget) = 0; | |
58 | |
59 // Retrieves the tick-marks for a given frame. | |
60 virtual const WTF::Vector<RefPtr<WebCore::Range> >* getTickmarks( | |
61 WebCore::Frame* frame) = 0; | |
62 | |
63 // Retrieves the index of the active tickmark for a given frame. If the | |
64 // frame does not have an active tickmark (for example if the active | |
65 // tickmark resides in another frame) this function returns kNoTickmark. | |
66 static const size_t kNoTickmark = -1; | |
67 virtual size_t getActiveTickmarkIndex(WebCore::Frame* frame) = 0; | |
68 | |
69 // Returns true if this widget is hidden because it's in a background tab. | |
70 virtual bool isHidden() = 0; | |
71 }; | |
72 | |
73 } // namespace WebCore | |
74 | |
75 #endif // WidgetClientWin_H__ | |
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