com.android.tools.idea.actions.SaveScreenshotAction.java Source code

Introduction

Here is the source code for com.android.tools.idea.actions.SaveScreenshotAction.java

Source

/*
 * Copyright (C) 2016 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.tools.idea.actions;

import com.android.SdkConstants;
import com.android.sdklib.devices.Device;
import com.android.tools.idea.configurations.Configuration;
import com.android.tools.idea.ddms.screenshot.ScreenshotViewer;
import com.android.tools.idea.rendering.RenderResult;
import com.android.tools.idea.uibuilder.surface.DesignSurface;
import com.android.tools.idea.uibuilder.surface.ScreenView;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.Consumer;
import icons.AndroidIcons;
import org.jetbrains.android.util.AndroidBundle;
import org.jetbrains.annotations.Nullable;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;

public class SaveScreenshotAction extends AnAction {
    private final DesignSurface mySurface;

    public SaveScreenshotAction(DesignSurface surface) {
        super("Save Screenshot...", null, AndroidIcons.Ddms.ScreenCapture);
        mySurface = surface;
    }

    @Override
    public void update(AnActionEvent e) {
        super.update(e);
        e.getPresentation().setEnabled(getImage() != null && e.getProject() != null);
    }

    @Nullable
    private BufferedImage getImage() {
        ScreenView currentScreenView = mySurface.getCurrentScreenView();
        if (currentScreenView != null) {
            RenderResult result = currentScreenView.getResult();
            return result != null ? result.getRenderedImage().getCopy() : null;
        }
        return null;
    }

    @Override
    public void actionPerformed(AnActionEvent e) {
        final Project project = e.getProject();
        try {
            BufferedImage image = getImage();
            assert image != null && project != null; // enforced by update() above

            // We need to create a temp file since the image preview editor requires a real file
            File backingFile = FileUtil.createTempFile("screenshot", SdkConstants.DOT_PNG, true);
            ImageIO.write(image, SdkConstants.EXT_PNG, backingFile);

            final ScreenshotViewer viewer = new ScreenshotViewer(project, image, backingFile, null,
                    getDeviceName());
            viewer.showAndGetOk().doWhenDone(new Consumer<Boolean>() {
                @Override
                public void consume(Boolean ok) {
                    if (ok) {
                        File screenshot = viewer.getScreenshot();
                        VirtualFile vf = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(screenshot);
                        if (vf != null) {
                            FileEditorManager.getInstance(project).openFile(vf, true);
                        }
                    }
                }
            });
        } catch (Exception ex) {
            Messages.showErrorDialog(project, AndroidBundle.message("android.ddms.screenshot.generic.error", e),
                    AndroidBundle.message("android.ddms.actions.screenshot"));
        }
    }

    @Nullable
    private String getDeviceName() {
        Configuration config = mySurface.getConfiguration();
        if (config == null) {
            return null;
        }

        Device device = config.getDevice();
        if (device == null) {
            return null;
        }

        return device.getDisplayName();
    }
}