| // Copyright 2013 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. |
| |
| package org.chromium.chrome.browser.contextmenu; |
| |
| import android.content.Context; |
| import android.net.MailTo; |
| import android.text.TextUtils; |
| import android.view.ContextMenu; |
| import android.view.MenuInflater; |
| |
| import org.chromium.base.metrics.RecordHistogram; |
| import org.chromium.chrome.R; |
| import org.chromium.chrome.browser.UrlUtilities; |
| import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings; |
| import org.chromium.chrome.browser.preferences.datareduction.DataReductionProxyUma; |
| |
| /** |
| * A {@link ContextMenuPopulator} used for showing the default Chrome context menu. |
| */ |
| public class ChromeContextMenuPopulator implements ContextMenuPopulator { |
| private final ContextMenuItemDelegate mDelegate; |
| private MenuInflater mMenuInflater; |
| private static final String BLANK_URL = "about:blank"; |
| |
| static class ContextMenuUma { |
| // Note: these values must match the ContextMenuOption enum in histograms.xml. |
| static final int ACTION_OPEN_IN_NEW_TAB = 0; |
| static final int ACTION_OPEN_IN_INCOGNITO_TAB = 1; |
| static final int ACTION_COPY_LINK_ADDRESS = 2; |
| static final int ACTION_COPY_EMAIL_ADDRESS = 3; |
| static final int ACTION_COPY_LINK_TEXT = 4; |
| static final int ACTION_SAVE_LINK = 5; |
| static final int ACTION_SAVE_IMAGE = 6; |
| static final int ACTION_OPEN_IMAGE = 7; |
| static final int ACTION_LOAD_IMAGES = 12; |
| static final int ACTION_LOAD_ORIGINAL_IMAGE = 13; |
| static final int ACTION_SAVE_VIDEO = 14; |
| static final int NUM_ACTIONS = 15; |
| |
| /** |
| * Records a histogram entry when the user selects an item from a context menu. |
| * @param params The ContextMenuParams describing the current context menu. |
| * @param action The action that the user selected (e.g. ACTION_SAVE_IMAGE). |
| */ |
| static void record(ContextMenuParams params, int action) { |
| assert action >= 0; |
| assert action < NUM_ACTIONS; |
| String histogramName; |
| if (params.isVideo()) { |
| histogramName = "ContextMenu.SelectedOption.Video"; |
| } else if (params.isImage()) { |
| histogramName = params.isAnchor() |
| ? "ContextMenu.SelectedOption.ImageLink" |
| : "ContextMenu.SelectedOption.Image"; |
| } else { |
| assert params.isAnchor(); |
| histogramName = "ContextMenu.SelectedOption.Link"; |
| } |
| RecordHistogram.recordEnumeratedHistogram(histogramName, action, NUM_ACTIONS); |
| } |
| } |
| |
| /** |
| * Builds a {@link ChromeContextMenuPopulator}. |
| * @param delegate The {@link ContextMenuItemDelegate} that will be notified with actions |
| * to perform when menu items are selected. |
| */ |
| public ChromeContextMenuPopulator(ContextMenuItemDelegate delegate) { |
| mDelegate = delegate; |
| } |
| |
| @Override |
| public boolean shouldShowContextMenu(ContextMenuParams params) { |
| return params != null && (params.isAnchor() || params.isImage() || params.isVideo()); |
| } |
| |
| @Override |
| public void buildContextMenu(ContextMenu menu, Context context, ContextMenuParams params) { |
| if (!TextUtils.isEmpty(params.getLinkUrl()) && !params.getLinkUrl().equals(BLANK_URL)) { |
| setHeaderText(context, menu, params.getLinkUrl()); |
| } else if (!TextUtils.isEmpty(params.getTitleText())) { |
| setHeaderText(context, menu, params.getTitleText()); |
| } |
| |
| if (mMenuInflater == null) mMenuInflater = new MenuInflater(context); |
| |
| mMenuInflater.inflate(R.menu.chrome_context_menu, menu); |
| |
| menu.setGroupVisible(R.id.contextmenu_group_anchor, params.isAnchor()); |
| menu.setGroupVisible(R.id.contextmenu_group_image, params.isImage()); |
| menu.setGroupVisible(R.id.contextmenu_group_video, params.isVideo()); |
| |
| if (mDelegate.isIncognito() || !mDelegate.isIncognitoSupported()) { |
| menu.findItem(R.id.contextmenu_open_in_incognito_tab).setVisible(false); |
| } |
| |
| if (params.getLinkText().trim().isEmpty() || params.isImage()) { |
| menu.findItem(R.id.contextmenu_copy_link_text).setVisible(false); |
| } |
| |
| if (MailTo.isMailTo(params.getLinkUrl())) { |
| menu.findItem(R.id.contextmenu_copy_link_address).setVisible(false); |
| } else { |
| menu.findItem(R.id.contextmenu_copy_email_address).setVisible(false); |
| } |
| |
| menu.findItem(R.id.contextmenu_save_link_as).setVisible( |
| UrlUtilities.isDownloadableScheme(params.getLinkUrl())); |
| |
| if (params.imageWasFetchedLoFi() |
| || !DataReductionProxySettings.getInstance().wasLoFiModeActiveOnMainFrame() |
| || !DataReductionProxySettings.getInstance().canUseDataReductionProxy( |
| params.getPageUrl())) { |
| menu.findItem(R.id.contextmenu_load_images).setVisible(false); |
| } else { |
| // Links can have images as backgrounds that aren't recognized here as images. CSS |
| // properties can also prevent an image underlying a link from being clickable. |
| // When Lo-Fi is active, provide the user with a "Load images" option on links |
| // to get the images in these cases. |
| DataReductionProxyUma.dataReductionProxyLoFiUIAction( |
| DataReductionProxyUma.ACTION_LOAD_IMAGES_CONTEXT_MENU_SHOWN); |
| } |
| |
| if (params.isVideo()) { |
| menu.findItem(R.id.contextmenu_save_video).setVisible( |
| UrlUtilities.isDownloadableScheme(params.getSrcUrl())); |
| } else if (params.isImage() && params.imageWasFetchedLoFi()) { |
| DataReductionProxyUma.dataReductionProxyLoFiUIAction( |
| DataReductionProxyUma.ACTION_LOAD_IMAGE_CONTEXT_MENU_SHOWN); |
| // All image context menu items other than "Load image," "Open original image in |
| // new tab," and "Copy image URL" should be disabled on Lo-Fi images. |
| menu.findItem(R.id.contextmenu_save_image).setVisible(false); |
| menu.findItem(R.id.contextmenu_open_image).setVisible(false); |
| } else if (params.isImage() && !params.imageWasFetchedLoFi()) { |
| menu.findItem(R.id.contextmenu_load_original_image).setVisible(false); |
| |
| menu.findItem(R.id.contextmenu_save_image).setVisible( |
| UrlUtilities.isDownloadableScheme(params.getSrcUrl())); |
| |
| // Avoid showing open image option for same image which is already opened. |
| if (mDelegate.getPageUrl().equals(params.getSrcUrl())) { |
| menu.findItem(R.id.contextmenu_open_image).setVisible(false); |
| } |
| } |
| } |
| |
| @Override |
| public boolean onItemSelected(ContextMenuHelper helper, ContextMenuParams params, int itemId) { |
| if (itemId == R.id.contextmenu_open_in_new_tab) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IN_NEW_TAB); |
| mDelegate.onOpenInNewTab(params.getLinkUrl(), params.getReferrer()); |
| } else if (itemId == R.id.contextmenu_open_in_incognito_tab) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IN_INCOGNITO_TAB); |
| mDelegate.onOpenInNewIncognitoTab(params.getLinkUrl()); |
| } else if (itemId == R.id.contextmenu_open_image) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_OPEN_IMAGE); |
| mDelegate.onOpenImageUrl(params.getSrcUrl(), params.getReferrer()); |
| } else if (itemId == R.id.contextmenu_load_images) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_LOAD_IMAGES); |
| DataReductionProxyUma.dataReductionProxyLoFiUIAction( |
| DataReductionProxyUma.ACTION_LOAD_IMAGES_CONTEXT_MENU_CLICKED); |
| mDelegate.onReloadIgnoringCache(); |
| } else if (itemId == R.id.contextmenu_load_original_image) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_LOAD_ORIGINAL_IMAGE); |
| DataReductionProxyUma.dataReductionProxyLoFiUIAction( |
| DataReductionProxyUma.ACTION_LOAD_IMAGE_CONTEXT_MENU_CLICKED); |
| if (!DataReductionProxySettings.getInstance().wasLoFiLoadImageRequestedBefore()) { |
| DataReductionProxyUma.dataReductionProxyLoFiUIAction( |
| DataReductionProxyUma.ACTION_LOAD_IMAGE_CONTEXT_MENU_CLICKED_ON_PAGE); |
| DataReductionProxySettings.getInstance().setLoFiLoadImageRequested(); |
| } |
| mDelegate.onLoadOriginalImage(); |
| } else if (itemId == R.id.contextmenu_copy_link_address) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_COPY_LINK_ADDRESS); |
| mDelegate.onSaveToClipboard(params.getUnfilteredLinkUrl(), |
| ContextMenuItemDelegate.CLIPBOARD_TYPE_LINK_URL); |
| } else if (itemId == R.id.contextmenu_copy_email_address) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_COPY_EMAIL_ADDRESS); |
| mDelegate.onSaveToClipboard(MailTo.parse(params.getLinkUrl()).getTo(), |
| ContextMenuItemDelegate.CLIPBOARD_TYPE_LINK_URL); |
| } else if (itemId == R.id.contextmenu_copy_link_text) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_COPY_LINK_TEXT); |
| mDelegate.onSaveToClipboard( |
| params.getLinkText(), ContextMenuItemDelegate.CLIPBOARD_TYPE_LINK_TEXT); |
| } else if (itemId == R.id.contextmenu_save_image) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_SAVE_IMAGE); |
| if (mDelegate.startDownload(params.getSrcUrl(), false)) { |
| helper.startContextMenuDownload( |
| false, mDelegate.isDataReductionProxyEnabledForURL(params.getSrcUrl())); |
| } |
| } else if (itemId == R.id.contextmenu_save_video) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_SAVE_VIDEO); |
| if (mDelegate.startDownload(params.getSrcUrl(), false)) { |
| helper.startContextMenuDownload(false, false); |
| } |
| } else if (itemId == R.id.contextmenu_save_link_as) { |
| ContextMenuUma.record(params, ContextMenuUma.ACTION_SAVE_LINK); |
| if (mDelegate.startDownload(params.getUnfilteredLinkUrl(), true)) { |
| helper.startContextMenuDownload(true, false); |
| } |
| } else { |
| assert false; |
| } |
| |
| return true; |
| } |
| |
| private void setHeaderText(Context context, ContextMenu menu, String text) { |
| ContextMenuTitleView title = new ContextMenuTitleView(context, text); |
| menu.setHeaderView(title); |
| } |
| } |
