| // Copyright 2019 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. |
| |
| #ifndef CONTENT_COMMON_CURSORS_WEBCURSOR_H_ |
| #define CONTENT_COMMON_CURSORS_WEBCURSOR_H_ |
| |
| #include <vector> |
| |
| #include "build/build_config.h" |
| #include "content/common/content_export.h" |
| #include "content/public/common/cursor_info.h" |
| #include "ui/display/display.h" |
| #include "ui/gfx/geometry/point.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| #if defined(USE_AURA) |
| #include "ui/base/cursor/cursor.h" |
| #endif |
| |
| namespace base { |
| class Pickle; |
| class PickleIterator; |
| } |
| |
| namespace content { |
| |
| // This class encapsulates a cross-platform description of a cursor. Platform |
| // specific methods are provided to translate the cross-platform cursor into a |
| // platform specific cursor. It is also possible to serialize / de-serialize a |
| // WebCursor. This class is highly similar to ui::Cursor. |
| class CONTENT_EXPORT WebCursor { |
| public: |
| WebCursor() = default; |
| explicit WebCursor(const CursorInfo& info); |
| explicit WebCursor(const WebCursor& other); |
| ~WebCursor(); |
| |
| const CursorInfo& info() const { return info_; } |
| |
| // Serialization / De-serialization |
| bool Deserialize(const base::Pickle* m, base::PickleIterator* iter); |
| void Serialize(base::Pickle* pickle) const; |
| |
| // Equality operator; performs bitmap content comparison as needed. |
| bool operator==(const WebCursor& other) const; |
| bool operator!=(const WebCursor& other) const; |
| |
| // Returns a native cursor representing the current WebCursor instance. |
| gfx::NativeCursor GetNativeCursor(); |
| |
| #if defined(USE_AURA) |
| ui::PlatformCursor GetPlatformCursor(const ui::Cursor& cursor); |
| |
| // Updates |device_scale_factor_| and |rotation_| based on |display|. |
| void SetDisplayInfo(const display::Display& display); |
| |
| void CreateScaledBitmapAndHotspotFromCustomData(SkBitmap* bitmap, |
| gfx::Point* hotspot, |
| float* scale); |
| #endif |
| |
| void set_info_for_testing(const CursorInfo& info) { info_ = info; } |
| |
| private: |
| // Returns true if this cursor's platform data matches that of |other|. |
| bool IsPlatformDataEqual(const WebCursor& other) const; |
| |
| // Copies platform specific data from the WebCursor instance passed in. |
| void CopyPlatformData(const WebCursor& other); |
| |
| // Platform specific cleanup. |
| void CleanupPlatformData(); |
| |
| // Clamp the hotspot to the custom image's bounds, if this is a custom cursor. |
| void ClampHotspot(); |
| |
| float GetCursorScaleFactor(SkBitmap* bitmap); |
| |
| // The basic cursor info. |
| CursorInfo info_; |
| |
| #if defined(USE_AURA) || defined(USE_OZONE) |
| // Only used for custom cursors. |
| ui::PlatformCursor platform_cursor_ = 0; |
| float device_scale_factor_ = 1.f; |
| display::Display::Rotation rotation_ = display::Display::ROTATE_0; |
| #endif |
| |
| #if defined(USE_OZONE) |
| // This matches ozone drm_util.cc's kDefaultCursorWidth/Height. |
| static constexpr int kDefaultMaxSize = 64; |
| gfx::Size maximum_cursor_size_ = {kDefaultMaxSize, kDefaultMaxSize}; |
| #endif |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_COMMON_CURSORS_WEBCURSOR_H_ |