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1 // Copyright (c) 2012 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 #include "webkit/common/cursors/webcursor.h" | |
6 | |
7 #include <X11/Xcursor/Xcursor.h> | |
8 #include <X11/Xlib.h> | |
9 #include <X11/cursorfont.h> | |
10 | |
11 #include "base/logging.h" | |
12 #include "third_party/WebKit/public/platform/WebCursorInfo.h" | |
13 #include "ui/base/cursor/cursor.h" | |
14 #include "ui/base/cursor/cursor_loader_x11.h" | |
15 #include "ui/base/x/x11_util.h" | |
16 | |
17 const ui::PlatformCursor WebCursor::GetPlatformCursor() { | |
18 if (platform_cursor_) | |
19 return platform_cursor_; | |
20 | |
21 if (custom_data_.size() == 0) | |
22 return 0; | |
23 | |
24 SkBitmap bitmap; | |
25 bitmap.setConfig(SkBitmap::kARGB_8888_Config, | |
26 custom_size_.width(), custom_size_.height()); | |
27 bitmap.allocPixels(); | |
28 memcpy(bitmap.getAddr32(0, 0), custom_data_.data(), custom_data_.size()); | |
29 gfx::Point hotspot = hotspot_; | |
30 ui::ScaleAndRotateCursorBitmapAndHotpoint( | |
31 device_scale_factor_, rotation_, &bitmap, &hotspot); | |
32 | |
33 XcursorImage* image = ui::SkBitmapToXcursorImage(&bitmap, hotspot); | |
34 platform_cursor_ = ui::CreateReffedCustomXCursor(image); | |
35 return platform_cursor_; | |
36 } | |
37 | |
38 void WebCursor::SetDisplayInfo(const gfx::Display& display) { | |
39 if (rotation_ == display.rotation() && | |
40 device_scale_factor_ == display.device_scale_factor()) | |
41 return; | |
42 | |
43 device_scale_factor_ = display.device_scale_factor(); | |
44 rotation_ = display.rotation(); | |
45 if (platform_cursor_) | |
46 ui::UnrefCustomXCursor(platform_cursor_); | |
47 platform_cursor_ = 0; | |
48 // It is not necessary to recreate platform_cursor_ yet, since it will be | |
49 // recreated on demand when GetPlatformCursor is called. | |
50 } | |
51 | |
52 void WebCursor::InitPlatformData() { | |
53 platform_cursor_ = 0; | |
54 device_scale_factor_ = 1.f; | |
55 rotation_ = gfx::Display::ROTATE_0; | |
56 } | |
57 | |
58 bool WebCursor::SerializePlatformData(Pickle* pickle) const { | |
59 return true; | |
60 } | |
61 | |
62 bool WebCursor::DeserializePlatformData(PickleIterator* iter) { | |
63 return true; | |
64 } | |
65 | |
66 bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const { | |
67 return true; | |
68 } | |
69 | |
70 void WebCursor::CleanupPlatformData() { | |
71 if (platform_cursor_) { | |
72 ui::UnrefCustomXCursor(platform_cursor_); | |
73 platform_cursor_ = 0; | |
74 } | |
75 } | |
76 | |
77 void WebCursor::CopyPlatformData(const WebCursor& other) { | |
78 if (platform_cursor_) | |
79 ui::UnrefCustomXCursor(platform_cursor_); | |
80 platform_cursor_ = other.platform_cursor_; | |
81 if (platform_cursor_) | |
82 ui::RefCustomXCursor(platform_cursor_); | |
83 | |
84 device_scale_factor_ = other.device_scale_factor_; | |
85 } | |
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