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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.common.rendering;
import com.android.annotations.NonNull;
import com.android.ide.common.rendering.api.HardwareConfig;
import com.android.resources.ScreenOrientation;
import com.android.sdklib.devices.ButtonType;
import com.android.sdklib.devices.Device;
import com.android.sdklib.devices.Screen;
/**
* Helper method to create a {@link HardwareConfig} object.
*
* The base data comes from a {@link Device} object, with additional data provided on the helper
* object.
*
* Since {@link HardwareConfig} is immutable, this allows creating one in several (optional)
* steps more easily.
*
*/
public class HardwareConfigHelper {
private final @NonNull Device mDevice;
private @NonNull ScreenOrientation mScreenOrientation = ScreenOrientation.PORTRAIT;
// optional
private int mMaxRenderWidth = -1;
private int mMaxRenderHeight = -1;
private int mOverrideRenderWidth = -1;
private int mOverrideRenderHeight = -1;
/**
* Creates a new helper for a given device.
* @param device the device to provide the base data.
*/
public HardwareConfigHelper(@NonNull Device device) {
mDevice = device;
}
/**
* Sets the orientation of the config.
* @param screenOrientation the orientation.
* @return this (such that chains of setters can be stringed together)
*/
@NonNull
public HardwareConfigHelper setOrientation(@NonNull ScreenOrientation screenOrientation) {
mScreenOrientation = screenOrientation;
return this;
}
/**
* Overrides the width and height to be used during rendering.
*
* A value of -1 will make the rendering use the normal width and height coming from the
* {@link Device} object.
*
* @param overrideRenderWidth the width in pixels of the layout to be rendered
* @param overrideRenderHeight the height in pixels of the layout to be rendered
* @return this (such that chains of setters can be stringed together)
*/
@NonNull
public HardwareConfigHelper setOverrideRenderSize(int overrideRenderWidth,
int overrideRenderHeight) {
mOverrideRenderWidth = overrideRenderWidth;
mOverrideRenderHeight = overrideRenderHeight;
return this;
}
/**
* Sets the max width and height to be used during rendering.
*
* A value of -1 will make the rendering use the normal width and height coming from the
* {@link Device} object.
*
* @param maxRenderWidth the max width in pixels of the layout to be rendered
* @param maxRenderHeight the max height in pixels of the layout to be rendered
* @return this (such that chains of setters can be stringed together)
*/
@NonNull
public HardwareConfigHelper setMaxRenderSize(int maxRenderWidth, int maxRenderHeight) {
mMaxRenderWidth = maxRenderWidth;
mMaxRenderHeight = maxRenderHeight;
return this;
}
/**
* Creates and returns the HardwareConfig object.
* @return the config
*/
@NonNull
public HardwareConfig getConfig() {
Screen screen = mDevice.getDefaultHardware().getScreen();
// compute width and height to take orientation into account.
int x = screen.getXDimension();
int y = screen.getYDimension();
int width, height;
if (x > y) {
if (mScreenOrientation == ScreenOrientation.LANDSCAPE) {
width = x;
height = y;
} else {
width = y;
height = x;
}
} else {
if (mScreenOrientation == ScreenOrientation.LANDSCAPE) {
width = y;
height = x;
} else {
width = x;
height = y;
}
}
if (mOverrideRenderHeight != -1) {
width = mOverrideRenderWidth;
}
if (mOverrideRenderHeight != -1) {
height = mOverrideRenderHeight;
}
if (mMaxRenderWidth != -1) {
width = mMaxRenderWidth;
}
if (mMaxRenderHeight != -1) {
height = mMaxRenderHeight;
}
return new HardwareConfig(
width,
height,
screen.getPixelDensity(),
(float) screen.getXdpi(),
(float) screen.getYdpi(),
screen.getSize(),
mScreenOrientation,
mDevice.getDefaultHardware().getButtonType() == ButtonType.SOFT);
}
}
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