| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/common/cursors/webcursor.h" |
| |
| #include <algorithm> |
| |
| #include "third_party/blink/public/platform/web_cursor_info.h" |
| #include "ui/base/cursor/cursor.h" |
| #include "ui/base/cursor/cursor_util.h" |
| #include "ui/base/ui_base_features.h" |
| #include "ui/ozone/public/cursor_factory_ozone.h" |
| |
| namespace content { |
| |
| ui::PlatformCursor WebCursor::GetPlatformCursor(const ui::Cursor& cursor) { |
| if (features::IsUsingWindowService()) |
| return nullptr; |
| |
| if (!platform_cursor_) { |
| platform_cursor_ = ui::CursorFactoryOzone::GetInstance()->CreateImageCursor( |
| cursor.GetBitmap(), cursor.GetHotspot(), cursor.device_scale_factor()); |
| } |
| |
| return platform_cursor_; |
| } |
| |
| void WebCursor::SetDisplayInfo(const display::Display& display) { |
| if (rotation_ == display.rotation() && |
| device_scale_factor_ == display.device_scale_factor() && |
| maximum_cursor_size_ == display.maximum_cursor_size()) |
| return; |
| device_scale_factor_ = display.device_scale_factor(); |
| rotation_ = display.rotation(); |
| maximum_cursor_size_ = display.maximum_cursor_size(); |
| // TODO(oshima): Identify if it's possible to remove this check here and move |
| // the kDefaultMaxSize constants to a single place. crbug.com/603512 |
| if (maximum_cursor_size_.width() == 0 || maximum_cursor_size_.height() == 0) |
| maximum_cursor_size_ = gfx::Size(kDefaultMaxSize, kDefaultMaxSize); |
| if (platform_cursor_) |
| ui::CursorFactoryOzone::GetInstance()->UnrefImageCursor(platform_cursor_); |
| platform_cursor_ = NULL; |
| // It is not necessary to recreate platform_cursor_ yet, since it will be |
| // recreated on demand when GetPlatformCursor is called. |
| } |
| |
| float WebCursor::GetCursorScaleFactor(SkBitmap* bitmap) { |
| DCHECK_LT(0, maximum_cursor_size_.width()); |
| DCHECK_LT(0, maximum_cursor_size_.height()); |
| return std::min( |
| {device_scale_factor_ / info_.image_scale_factor, |
| static_cast<float>(maximum_cursor_size_.width()) / bitmap->width(), |
| static_cast<float>(maximum_cursor_size_.height()) / bitmap->height()}); |
| } |
| |
| bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const { |
| return true; |
| } |
| |
| void WebCursor::CleanupPlatformData() { |
| if (platform_cursor_) { |
| ui::CursorFactoryOzone::GetInstance()->UnrefImageCursor(platform_cursor_); |
| platform_cursor_ = NULL; |
| } |
| } |
| |
| void WebCursor::CopyPlatformData(const WebCursor& other) { |
| if (platform_cursor_) |
| ui::CursorFactoryOzone::GetInstance()->UnrefImageCursor(platform_cursor_); |
| platform_cursor_ = other.platform_cursor_; |
| if (platform_cursor_) |
| ui::CursorFactoryOzone::GetInstance()->RefImageCursor(platform_cursor_); |
| |
| device_scale_factor_ = other.device_scale_factor_; |
| maximum_cursor_size_ = other.maximum_cursor_size_; |
| } |
| |
| } // namespace content |