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/web/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 } 86
