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Side by Side Diff: webkit/port/platform/WidgetClientWin.h

Issue 7419: Move many files that were suffixed Win.cpp to Chromium.cpp, and place them in... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 12 years, 2 months ago
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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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