Merge "Introduce DebugGpuOverdrawPreferenceController"

/*

 * Copyright (C) 2017 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.settings.development;

import android.content.Context;

import android.os.SystemProperties;

import android.support.v7.preference.ListPreference;

import android.support.v7.preference.Preference;

import android.support.v7.preference.PreferenceScreen;

import android.text.TextUtils;

import android.view.ThreadedRenderer;

import com.android.settings.R;

import com.android.settings.core.PreferenceControllerMixin;

import com.android.settingslib.development.DeveloperOptionsPreferenceController;

import com.android.settingslib.development.SystemPropPoker;

public class DebugGpuOverdrawPreferenceController extends

        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,

        PreferenceControllerMixin {

    private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";

    private final String[] mListValues;

    private final String[] mListSummaries;

    private ListPreference mPreference;

    public DebugGpuOverdrawPreferenceController(Context context) {

        super(context);

        mListValues = context.getResources().getStringArray(R.array.debug_hw_overdraw_values);

        mListSummaries = context.getResources().getStringArray(R.array.debug_hw_overdraw_entries);

    }

    @Override

    public String getPreferenceKey() {

        return DEBUG_HW_OVERDRAW_KEY;

    }

    @Override

    public void displayPreference(PreferenceScreen screen) {

        super.displayPreference(screen);

        mPreference = (ListPreference) screen.findPreference(getPreferenceKey());

    }

    @Override

    public boolean onPreferenceChange(Preference preference, Object newValue) {

        writeDebugHwOverdrawOptions(newValue);

        updateDebugHwOverdrawOptions();

        return true;

    }

    @Override

    public void updateState(Preference preference) {

        updateDebugHwOverdrawOptions();

    }

    @Override

    protected void onDeveloperOptionsSwitchEnabled() {

        mPreference.setEnabled(true);

    }

    @Override

    protected void onDeveloperOptionsSwitchDisabled() {

        mPreference.setEnabled(false);

    }

    private void writeDebugHwOverdrawOptions(Object newValue) {

        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY,

                newValue == null ? "" : newValue.toString());

        SystemPropPoker.getInstance().poke();

    }

    private void updateDebugHwOverdrawOptions() {

        final String value = SystemProperties.get(

                ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, "" /* default */);

        int index = 0; // default

        for (int i = 0; i < mListValues.length; i++) {

            if (TextUtils.equals(value, mListValues[i])) {

                index = i;

                break;

            }

        }

        mPreference.setValue(mListValues[index]);

        mPreference.setSummary(mListSummaries[index]);

    }

}

        controllers.add(new ForceGpuRenderingPreferenceController(context));

        controllers.add(new GpuViewUpdatesPreferenceController(context));

        controllers.add(new HardwareLayersUpdatesPreferenceController(context));

        // debug gpu overdraw

        controllers.add(new DebugGpuOverdrawPreferenceController(context));

        // debug non-rectangular clip operations

        controllers.add(new ForceMSAAPreferenceController(context));

        controllers.add(new HardwareOverlaysPreferenceController(context));

/*

 * Copyright (C) 2017 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.settings.development;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.os.SystemProperties;

import android.support.v7.preference.ListPreference;

import android.support.v7.preference.PreferenceScreen;

import android.view.ThreadedRenderer;

import com.android.settings.R;

import com.android.settings.TestConfig;

import com.android.settings.testutils.SettingsRobolectricTestRunner;

import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;

import org.junit.After;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.RuntimeEnvironment;

import org.robolectric.annotation.Config;

@RunWith(SettingsRobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH,

        sdk = TestConfig.SDK_VERSION,

        shadows = {SettingsShadowSystemProperties.class})

public class DebugGpuOverdrawPreferenceControllerTest {

    @Mock

    private ListPreference mPreference;

    @Mock

    private PreferenceScreen mScreen;

    /**

     * 0: off

     * 1: Show overdraw areas

     * 2: Show areas for Deuteranomaly

     */

    private String[] mListValues;

    private String[] mListSummaries;

    private Context mContext;

    private DebugGpuOverdrawPreferenceController mController;

    @Before

    public void setup() {

        MockitoAnnotations.initMocks(this);

        mContext = RuntimeEnvironment.application;

        mListValues = mContext.getResources().getStringArray(R.array.debug_hw_overdraw_values);

        mListSummaries = mContext.getResources().getStringArray(

                R.array.debug_hw_overdraw_entries);

        mController = new DebugGpuOverdrawPreferenceController(mContext);

        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);

        mController.displayPreference(mScreen);

    }

    @After

    public void teardown() {

        SettingsShadowSystemProperties.clear();

    }

    @Test

    public void onPreferenceChange_noValueSet_shouldSetEmptyString() {

        mController.onPreferenceChange(mPreference, null /* new value */);

        String mode = SystemProperties.get(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY);

        assertThat(mode).isEqualTo("");

    }

    @Test

    public void onPreferenceChange_option1Selected_shouldSetOption1() {

        mController.onPreferenceChange(mPreference, mListValues[1]);

        String mode = SystemProperties.get(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY);

        assertThat(mode).isEqualTo(mListValues[1]);

    }

    @Test

    public void updateState_option1Set_shouldUpdatePreferenceToOption1() {

        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, mListValues[1]);

        mController.updateState(mPreference);

        verify(mPreference).setValue(mListValues[1]);

        verify(mPreference).setSummary(mListSummaries[1]);

    }

    @Test

    public void updateState_option2Set_shouldUpdatePreferenceToOption2() {

        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, mListValues[2]);

        mController.updateState(mPreference);

        verify(mPreference).setValue(mListValues[2]);

        verify(mPreference).setSummary(mListSummaries[2]);

    }

    @Test

    public void updateState_noOptionSet_shouldDefaultToOption0() {

        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY, null);

        mController.updateState(mPreference);

        verify(mPreference).setValue(mListValues[0]);

        verify(mPreference).setSummary(mListSummaries[0]);

    }

    @Test

    public void onDeveloperOptionsSwitchDisabled_shouldDisablePreference() {

        mController.onDeveloperOptionsSwitchDisabled();

        verify(mPreference).setEnabled(false);

    }

    @Test

    public void onDeveloperOptionsSwitchEnabled_shouldEnablePreference() {

        mController.onDeveloperOptionsSwitchEnabled();

        verify(mPreference).setEnabled(true);

    }

}