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// Copyright 2012 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 "base/logging.h"
#include "ui/gfx/screen.h"
#include "ui/gfx/screen_type_delegate.h"
namespace gfx {
namespace {
Screen* g_screen_[SCREEN_TYPE_LAST + 1];
ScreenTypeDelegate* g_screen_type_delegate_ = NULL;
} // namespace
Screen::Screen() {
}
Screen::~Screen() {
}
// static
Screen* Screen::GetScreenFor(NativeView view) {
ScreenType type = SCREEN_TYPE_NATIVE;
if (g_screen_type_delegate_)
type = g_screen_type_delegate_->GetScreenTypeForNativeView(view);
if (type == SCREEN_TYPE_NATIVE)
return GetNativeScreen();
DCHECK(g_screen_[type]);
return g_screen_[type];
}
// static
void Screen::SetScreenInstance(ScreenType type, Screen* instance) {
DCHECK_LE(type, SCREEN_TYPE_LAST);
g_screen_[type] = instance;
}
// static
Screen* Screen::GetScreenByType(ScreenType type) {
return g_screen_[type];
}
// static
void Screen::SetScreenTypeDelegate(ScreenTypeDelegate* delegate) {
g_screen_type_delegate_ = delegate;
}
// static
Screen* Screen::GetNativeScreen() {
if (!g_screen_[SCREEN_TYPE_NATIVE])
g_screen_[SCREEN_TYPE_NATIVE] = CreateNativeScreen();
return g_screen_[SCREEN_TYPE_NATIVE];
}
} // namespace gfx
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