electron/shell/browser/api/electron_api_native_theme.h
Samuel Attard fea3366bc7
fix: propagate preferred color scheme to the renderer (#22896)
* fix: do not crash if the window is closed syncronously with a nativeTheme change

* fix: propogate preferred color scheme to the renderer and keep it up to date
2020-03-30 15:39:50 -07:00

68 lines
2 KiB
C++

// Copyright (c) 2019 Slack Technologies, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_API_ELECTRON_API_NATIVE_THEME_H_
#define SHELL_BROWSER_API_ELECTRON_API_NATIVE_THEME_H_
#include "shell/common/gin_helper/event_emitter.h"
#include "ui/native_theme/native_theme.h"
#include "ui/native_theme/native_theme_observer.h"
namespace electron {
namespace api {
class NativeTheme : public gin_helper::EventEmitter<NativeTheme>,
public ui::NativeThemeObserver {
public:
static v8::Local<v8::Value> Create(v8::Isolate* isolate);
static void BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype);
protected:
NativeTheme(v8::Isolate* isolate,
ui::NativeTheme* ui_theme,
ui::NativeTheme* web_theme);
~NativeTheme() override;
void SetThemeSource(ui::NativeTheme::ThemeSource override);
#if defined(OS_MACOSX)
void UpdateMacOSAppearanceForOverrideValue(
ui::NativeTheme::ThemeSource override);
#endif
ui::NativeTheme::ThemeSource GetThemeSource() const;
bool ShouldUseDarkColors();
bool ShouldUseHighContrastColors();
bool ShouldUseInvertedColorScheme();
// ui::NativeThemeObserver:
void OnNativeThemeUpdated(ui::NativeTheme* theme) override;
void OnNativeThemeUpdatedOnUI();
private:
ui::NativeTheme* ui_theme_;
ui::NativeTheme* web_theme_;
DISALLOW_COPY_AND_ASSIGN(NativeTheme);
};
} // namespace api
} // namespace electron
namespace gin {
template <>
struct Converter<ui::NativeTheme::ThemeSource> {
static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
const ui::NativeTheme::ThemeSource& val);
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
ui::NativeTheme::ThemeSource* out);
};
} // namespace gin
#endif // SHELL_BROWSER_API_ELECTRON_API_NATIVE_THEME_H_