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// Copyright (c) 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 "ui/gfx/screen.h"
#import <UIKit/UIKit.h>
#include "base/logging.h"
#include "ui/gfx/display.h"
namespace {
class ScreenIos : public gfx::Screen {
virtual bool IsDIPEnabled() OVERRIDE {
return true;
}
virtual gfx::Point GetCursorScreenPoint() OVERRIDE {
NOTIMPLEMENTED();
return gfx::Point(0, 0);
}
virtual gfx::NativeWindow GetWindowAtCursorScreenPoint() OVERRIDE {
NOTIMPLEMENTED();
return gfx::NativeWindow();
}
virtual int GetNumDisplays() OVERRIDE {
#if TARGET_IPHONE_SIMULATOR
// UIScreen does not reliably return correct results on the simulator.
return 1;
#else
return [[UIScreen screens] count];
#endif
}
// Returns the display nearest the specified window.
virtual gfx::Display GetDisplayNearestWindow(
gfx::NativeView view) const OVERRIDE {
NOTIMPLEMENTED();
return gfx::Display();
}
// Returns the the display nearest the specified point.
virtual gfx::Display GetDisplayNearestPoint(
const gfx::Point& point) const OVERRIDE {
NOTIMPLEMENTED();
return gfx::Display();
}
// Returns the display that most closely intersects the provided bounds.
virtual gfx::Display GetDisplayMatching(
const gfx::Rect& match_rect) const OVERRIDE {
NOTIMPLEMENTED();
return gfx::Display();
}
// Returns the primary display.
virtual gfx::Display GetPrimaryDisplay() const OVERRIDE {
UIScreen* mainScreen = [[UIScreen screens] objectAtIndex:0];
gfx::Display display(0, gfx::Rect(mainScreen.bounds));
display.set_device_scale_factor([mainScreen scale]);
return display;
}
virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE {
// no display change on iOS.
}
virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE {
// no display change on iOS.
}
};
} // namespace
namespace gfx {
Screen* CreateNativeScreen() {
return new ScreenIos;
}
} // namespace gfx
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