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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #ifndef WebPluginScrollbar_h | |
| 26 #define WebPluginScrollbar_h | |
| 27 | |
| 28 #include "../platform/WebCanvas.h" | |
| 29 #include "../platform/WebScrollbar.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 class WebInputEvent; | |
| 34 class WebPluginContainer; | |
| 35 class WebPluginScrollbarClient; | |
| 36 struct WebRect; | |
| 37 | |
| 38 class WebPluginScrollbar : public WebScrollbar { | |
| 39 public: | |
| 40 // Creates a WebPluginScrollbar for use by a plugin. The plugin container an
d | |
| 41 // client are guaranteed to outlive this object. | |
| 42 BLINK_EXPORT static WebPluginScrollbar* createForPlugin(WebScrollbar::Orient
ation, | |
| 43 WebPluginContainer*
, | |
| 44 WebPluginScrollbarC
lient*); | |
| 45 | |
| 46 virtual ~WebPluginScrollbar() { } | |
| 47 | |
| 48 // Gets the thickness of the scrollbar in pixels. | |
| 49 BLINK_EXPORT static int defaultThickness(); | |
| 50 | |
| 51 // Sets the rectangle of the scrollbar. | |
| 52 virtual void setLocation(const WebRect&) = 0; | |
| 53 | |
| 54 // Sets the size of the scrollable region in pixels, i.e. if a document is | |
| 55 // 800x10000 pixels and the viewport is 1000x1000 pixels, then setLocation | |
| 56 // for the vertical scrollbar would have passed in a rectangle like: | |
| 57 // (800 - defaultThickness(), 0) (defaultThickness() x 10000) | |
| 58 // and setDocumentSize(10000) | |
| 59 virtual void setDocumentSize(int) = 0; | |
| 60 | |
| 61 // Sets the current value. | |
| 62 virtual void setValue(int position) = 0; | |
| 63 | |
| 64 // Scroll back or forward with the given granularity. | |
| 65 virtual void scroll(ScrollDirection, ScrollGranularity, float multiplier) =
0; | |
| 66 | |
| 67 // Paint the given rectangle. | |
| 68 virtual void paint(WebCanvas*, const WebRect&) = 0; | |
| 69 | |
| 70 // Returns true iff the given event was used. | |
| 71 virtual bool handleInputEvent(const WebInputEvent&) = 0; | |
| 72 }; | |
| 73 | |
| 74 } // namespace blink | |
| 75 | |
| 76 #endif | |
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Chromium Code Reviews
Issue 1156243002:
Delete WebPluginScrollbar and friends (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master