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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"
#include "base/logging.h"
#include "ui/gfx/android/device_display_info.h"
#include "ui/gfx/display.h"
#include "ui/gfx/size_conversions.h"
namespace gfx {
class ScreenAndroid : public Screen {
public:
ScreenAndroid() {}
virtual bool IsDIPEnabled() OVERRIDE { return true; }
virtual gfx::Point GetCursorScreenPoint() OVERRIDE { return gfx::Point(); }
virtual gfx::NativeWindow GetWindowAtCursorScreenPoint() OVERRIDE {
NOTIMPLEMENTED();
return NULL;
}
virtual gfx::Display GetPrimaryDisplay() const OVERRIDE {
gfx::DeviceDisplayInfo device_info;
const float device_scale_factor = device_info.GetDIPScale();
const gfx::Rect bounds_in_pixels =
gfx::Rect(
device_info.GetDisplayWidth(),
device_info.GetDisplayHeight());
const gfx::Rect bounds_in_dip =
gfx::Rect(gfx::ToCeiledSize(gfx::ScaleSize(
bounds_in_pixels.size(), 1.0f / device_scale_factor)));
gfx::Display display(0, bounds_in_dip);
if (!gfx::Display::HasForceDeviceScaleFactor())
display.set_device_scale_factor(device_scale_factor);
return display;
}
virtual gfx::Display GetDisplayNearestWindow(
gfx::NativeView view) const OVERRIDE {
return GetPrimaryDisplay();
}
virtual gfx::Display GetDisplayNearestPoint(
const gfx::Point& point) const OVERRIDE {
return GetPrimaryDisplay();
}
virtual int GetNumDisplays() OVERRIDE { return 1; }
virtual gfx::Display GetDisplayMatching(
const gfx::Rect& match_rect) const OVERRIDE {
return GetPrimaryDisplay();
}
virtual void AddObserver(DisplayObserver* observer) OVERRIDE {
// no display change on Android.
}
virtual void RemoveObserver(DisplayObserver* observer) OVERRIDE {
// no display change on Android.
}
private:
DISALLOW_COPY_AND_ASSIGN(ScreenAndroid);
};
Screen* CreateNativeScreen() {
return new ScreenAndroid;
}
} // namespace gfx
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