| /* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to 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.mail.browse; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Rect; |
| import android.graphics.Typeface; |
| import android.graphics.drawable.Drawable; |
| import android.text.Layout.Alignment; |
| import android.text.Spannable; |
| import android.text.SpannableStringBuilder; |
| import android.text.StaticLayout; |
| import android.text.TextPaint; |
| import android.text.TextUtils; |
| import android.text.TextUtils.TruncateAt; |
| import android.text.format.DateUtils; |
| import android.text.style.CharacterStyle; |
| import android.text.style.ForegroundColorSpan; |
| import android.text.style.StyleSpan; |
| import android.text.util.Rfc822Token; |
| import android.text.util.Rfc822Tokenizer; |
| import android.util.SparseArray; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.widget.ListView; |
| |
| import com.android.mail.R; |
| import com.android.mail.browse.ConversationItemViewModel.SenderFragment; |
| import com.android.mail.perf.Timer; |
| import com.android.mail.providers.Address; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.UIProvider.ConversationColumns; |
| import com.android.mail.ui.ConversationSelectionSet; |
| import com.android.mail.ui.ViewMode; |
| import com.android.mail.utils.Utils; |
| |
| public class ConversationItemView extends View { |
| // Timer. |
| private static int sLayoutCount = 0; |
| private static Timer sTimer; // Create the sTimer here if you need to do perf analysis. |
| private static final int PERF_LAYOUT_ITERATIONS = 50; |
| private static final String PERF_TAG_LAYOUT = "CCHV.layout"; |
| private static final String PERF_TAG_CALCULATE_TEXTS_BITMAPS = "CCHV.txtsbmps"; |
| private static final String PERF_TAG_CALCULATE_SENDER_SUBJECT = "CCHV.sendersubj"; |
| private static final String PERF_TAG_CALCULATE_LABELS = "CCHV.labels"; |
| private static final String PERF_TAG_CALCULATE_COORDINATES = "CCHV.coordinates"; |
| |
| // Static bitmaps. |
| private static Bitmap CHECKMARK_OFF; |
| private static Bitmap CHECKMARK_ON; |
| private static Bitmap STAR_OFF; |
| private static Bitmap STAR_ON; |
| private static Bitmap ATTACHMENT; |
| private static Bitmap ONLY_TO_ME; |
| private static Bitmap TO_ME_AND_OTHERS; |
| private static Bitmap IMPORTANT_ONLY_TO_ME; |
| private static Bitmap IMPORTANT_TO_ME_AND_OTHERS; |
| private static Bitmap IMPORTANT_TO_OTHERS; |
| private static Bitmap DATE_BACKGROUND; |
| |
| // Static colors. |
| private static int DEFAULT_TEXT_COLOR; |
| private static int ACTIVATED_TEXT_COLOR; |
| private static int LIGHT_TEXT_COLOR; |
| private static int DRAFT_TEXT_COLOR; |
| private static int SUBJECT_TEXT_COLOR_READ; |
| private static int SUBJECT_TEXT_COLOR_UNREAD; |
| private static int SNIPPET_TEXT_COLOR_READ; |
| private static int SNIPPET_TEXT_COLOR_UNREAD; |
| private static int SENDERS_TEXT_COLOR_READ; |
| private static int SENDERS_TEXT_COLOR_UNREAD; |
| private static int DATE_TEXT_COLOR_READ; |
| private static int DATE_TEXT_COLOR_UNREAD; |
| private static int DATE_BACKGROUND_PADDING_LEFT; |
| private static int TOUCH_SLOP; |
| private static int sDateBackgroundHeight; |
| private static int sStandardScaledDimen; |
| private static CharacterStyle sLightTextStyle; |
| private static CharacterStyle sNormalTextStyle; |
| |
| // Static paints. |
| private static TextPaint sPaint = new TextPaint(); |
| private static TextPaint sLabelsPaint = new TextPaint(); |
| |
| // Backgrounds for different states. |
| private final SparseArray<Drawable> mBackgrounds = new SparseArray<Drawable>(); |
| |
| // Dimensions and coordinates. |
| private int mViewWidth = -1; |
| private int mMode = -1; |
| private int mDateX; |
| private int mPaperclipX; |
| private int mLabelsXEnd; |
| private int mSendersWidth; |
| |
| /** Whether we're running under test mode. */ |
| private boolean mTesting = false; |
| /** Whether we are on a tablet device or not */ |
| private final boolean mTabletDevice; |
| |
| @VisibleForTesting |
| ConversationItemViewCoordinates mCoordinates; |
| |
| private final Context mContext; |
| |
| private String mAccount; |
| private ConversationItemViewModel mHeader; |
| private ViewMode mViewMode; |
| private boolean mDownEvent; |
| private boolean mChecked = false; |
| private static int sFadedColor = -1; |
| private static int sFadedActivatedColor = -1; |
| private ConversationSelectionSet mSelectedConversationSet; |
| |
| static { |
| sPaint.setAntiAlias(true); |
| sLabelsPaint.setAntiAlias(true); |
| } |
| |
| /** |
| * This handler will be called when user toggle a star in a conversation |
| * header view. It can be used to update the state of other views to ensure |
| * UI consistency. |
| */ |
| public static interface StarHandler { |
| public void toggleStar(boolean toggleOn, long conversationId, long maxMessageId); |
| } |
| |
| public ConversationItemView(Context context, String account) { |
| super(context); |
| mContext = context.getApplicationContext(); |
| mTabletDevice = Utils.useTabletUI(mContext); |
| |
| mAccount = account; |
| Resources res = mContext.getResources(); |
| |
| if (CHECKMARK_OFF == null) { |
| // Initialize static bitmaps. |
| CHECKMARK_OFF = BitmapFactory.decodeResource(res, |
| R.drawable.btn_check_off_normal_holo_light); |
| CHECKMARK_ON = BitmapFactory.decodeResource(res, |
| R.drawable.btn_check_on_normal_holo_light); |
| STAR_OFF = BitmapFactory.decodeResource(res, |
| R.drawable.btn_star_off_normal_email_holo_light); |
| STAR_ON = BitmapFactory.decodeResource(res, |
| R.drawable.btn_star_on_normal_email_holo_light); |
| ONLY_TO_ME = BitmapFactory.decodeResource(res, R.drawable.ic_email_caret_double); |
| TO_ME_AND_OTHERS = BitmapFactory.decodeResource(res, R.drawable.ic_email_caret_single); |
| IMPORTANT_ONLY_TO_ME = BitmapFactory.decodeResource(res, |
| R.drawable.ic_email_caret_double_important_unread); |
| IMPORTANT_TO_ME_AND_OTHERS = BitmapFactory.decodeResource(res, |
| R.drawable.ic_email_caret_single_important_unread); |
| IMPORTANT_TO_OTHERS = BitmapFactory.decodeResource(res, |
| R.drawable.ic_email_caret_none_important_unread); |
| ATTACHMENT = BitmapFactory.decodeResource(res, R.drawable.ic_attachment_holo_light); |
| DATE_BACKGROUND = BitmapFactory.decodeResource(res, R.drawable.folder_bg_holo_light); |
| |
| // Initialize colors. |
| DEFAULT_TEXT_COLOR = res.getColor(R.color.default_text_color); |
| ACTIVATED_TEXT_COLOR = res.getColor(android.R.color.white); |
| LIGHT_TEXT_COLOR = res.getColor(R.color.light_text_color); |
| DRAFT_TEXT_COLOR = res.getColor(R.color.drafts); |
| SUBJECT_TEXT_COLOR_READ = res.getColor(R.color.subject_text_color_read); |
| SUBJECT_TEXT_COLOR_UNREAD = res.getColor(R.color.subject_text_color_unread); |
| SNIPPET_TEXT_COLOR_READ = res.getColor(R.color.snippet_text_color_read); |
| SNIPPET_TEXT_COLOR_UNREAD = res.getColor(R.color.snippet_text_color_unread); |
| SENDERS_TEXT_COLOR_READ = res.getColor(R.color.senders_text_color_read); |
| SENDERS_TEXT_COLOR_UNREAD = res.getColor(R.color.senders_text_color_unread); |
| DATE_TEXT_COLOR_READ = res.getColor(R.color.date_text_color_read); |
| DATE_TEXT_COLOR_UNREAD = res.getColor(R.color.date_text_color_unread); |
| DATE_BACKGROUND_PADDING_LEFT = res |
| .getDimensionPixelSize(R.dimen.date_background_padding_left); |
| TOUCH_SLOP = res.getDimensionPixelSize(R.dimen.touch_slop); |
| sDateBackgroundHeight = res.getDimensionPixelSize(R.dimen.date_background_height); |
| sStandardScaledDimen = res.getDimensionPixelSize(R.dimen.standard_scaled_dimen); |
| |
| // Initialize static color. |
| sNormalTextStyle = new StyleSpan(Typeface.NORMAL); |
| sLightTextStyle = new ForegroundColorSpan(LIGHT_TEXT_COLOR); |
| } |
| } |
| |
| public void bind(Cursor cursor, StarHandler starHandler, String account, |
| CharSequence displayedLabel, ViewMode viewMode, ConversationSelectionSet set) { |
| mAccount = account; |
| mViewMode = viewMode; |
| mHeader = ConversationItemViewModel.forCursor(account, cursor); |
| mSelectedConversationSet = set; |
| setContentDescription(mHeader.getContentDescription(mContext)); |
| requestLayout(); |
| } |
| |
| public Conversation getConversation() { |
| return mHeader.conversation; |
| } |
| |
| /** |
| * Sets the mode. Only used for testing. |
| */ |
| @VisibleForTesting |
| void setMode(int mode) { |
| mMode = mode; |
| mTesting = true; |
| } |
| |
| private static void startTimer(String tag) { |
| if (sTimer != null) { |
| sTimer.start(tag); |
| } |
| } |
| |
| private static void pauseTimer(String tag) { |
| if (sTimer != null) { |
| sTimer.pause(tag); |
| } |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| startTimer(PERF_TAG_LAYOUT); |
| |
| super.onLayout(changed, left, top, right, bottom); |
| |
| int width = right - left; |
| if (width != mViewWidth) { |
| mViewWidth = width; |
| if (!mTesting) { |
| mMode = ConversationItemViewCoordinates.getMode(mContext, mViewMode); |
| } |
| } |
| mHeader.viewWidth = mViewWidth; |
| Resources res = getResources(); |
| mHeader.standardScaledDimen = res.getDimensionPixelOffset(R.dimen.standard_scaled_dimen); |
| if (mHeader.standardScaledDimen != sStandardScaledDimen) { |
| // Large Text has been toggle on/off. Update the static dimens. |
| sStandardScaledDimen = mHeader.standardScaledDimen; |
| ConversationItemViewCoordinates.refreshConversationHeights(mContext); |
| sDateBackgroundHeight = res.getDimensionPixelSize(R.dimen.date_background_height); |
| } |
| mCoordinates = ConversationItemViewCoordinates.forWidth(mContext, mViewWidth, mMode, |
| mHeader.standardScaledDimen); |
| calculateTextsAndBitmaps(); |
| calculateCoordinates(); |
| mHeader.validate(mContext); |
| |
| pauseTimer(PERF_TAG_LAYOUT); |
| if (sTimer != null && ++sLayoutCount >= PERF_LAYOUT_ITERATIONS) { |
| sTimer.dumpResults(); |
| sTimer = new Timer(); |
| sLayoutCount = 0; |
| } |
| } |
| |
| @Override |
| public void setBackgroundResource(int resourceId) { |
| Drawable drawable = mBackgrounds.get(resourceId); |
| if (drawable == null) { |
| drawable = getResources().getDrawable(resourceId); |
| mBackgrounds.put(resourceId, drawable); |
| } |
| if (getBackground() != drawable) { |
| super.setBackgroundDrawable(drawable); |
| } |
| } |
| |
| private void calculateTextsAndBitmaps() { |
| startTimer(PERF_TAG_CALCULATE_TEXTS_BITMAPS); |
| if (mSelectedConversationSet != null) { |
| mChecked = mSelectedConversationSet.contains(mHeader.conversation); |
| } |
| // Update font color. |
| int fontColor = getFontColor(DEFAULT_TEXT_COLOR); |
| boolean fontChanged = false; |
| if (mHeader.fontColor != fontColor) { |
| fontChanged = true; |
| mHeader.fontColor = fontColor; |
| } |
| |
| boolean isUnread = mHeader.unread; |
| |
| final boolean checkboxEnabled = true; |
| if (mHeader.checkboxVisible != checkboxEnabled) { |
| mHeader.checkboxVisible = checkboxEnabled; |
| } |
| |
| // Update background. |
| updateBackground(isUnread); |
| |
| if (mHeader.isLayoutValid(mContext)) { |
| // Relayout subject if font color has changed. |
| if (fontChanged) { |
| createSubjectSpans(isUnread); |
| layoutSubject(); |
| } |
| pauseTimer(PERF_TAG_CALCULATE_TEXTS_BITMAPS); |
| return; |
| } |
| |
| // Initialize label displayer. |
| startTimer(PERF_TAG_CALCULATE_LABELS); |
| pauseTimer(PERF_TAG_CALCULATE_LABELS); |
| |
| // Star. |
| mHeader.starBitmap = mHeader.starred ? STAR_ON : STAR_OFF; |
| |
| // Date. |
| mHeader.dateText = DateUtils.getRelativeTimeSpanString(mContext, |
| mHeader.conversation.dateMs).toString(); |
| |
| // Paper clip icon. |
| mHeader.paperclip = null; |
| if (mHeader.conversation.hasAttachments) { |
| mHeader.paperclip = ATTACHMENT; |
| } |
| |
| // Personal level. |
| mHeader.personalLevelBitmap = null; |
| |
| startTimer(PERF_TAG_CALCULATE_SENDER_SUBJECT); |
| |
| // Subject. |
| createSubjectSpans(isUnread); |
| |
| // Parse senders fragments. |
| parseSendersFragments(isUnread); |
| |
| pauseTimer(PERF_TAG_CALCULATE_SENDER_SUBJECT); |
| pauseTimer(PERF_TAG_CALCULATE_TEXTS_BITMAPS); |
| } |
| |
| private void createSubjectSpans(boolean isUnread) { |
| final String subject = filterTag(mHeader.conversation.subject); |
| final String snippet = mHeader.conversation.snippet; |
| int subjectColor = isUnread ? SUBJECT_TEXT_COLOR_UNREAD : SUBJECT_TEXT_COLOR_READ; |
| int snippetColor = isUnread ? SNIPPET_TEXT_COLOR_UNREAD : SNIPPET_TEXT_COLOR_READ; |
| mHeader.subjectText = new SpannableStringBuilder(mContext.getString( |
| R.string.subject_and_snippet, subject, snippet)); |
| if (isUnread) { |
| mHeader.subjectText.setSpan(new StyleSpan(Typeface.BOLD), 0, subject.length(), |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| int fontColor = getFontColor(subjectColor); |
| mHeader.subjectText.setSpan(new ForegroundColorSpan(fontColor), 0, |
| subject.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| fontColor = getFontColor(snippetColor); |
| mHeader.subjectText.setSpan(new ForegroundColorSpan(fontColor), subject.length() + 1, |
| mHeader.subjectText.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| } |
| |
| private int getFontColor(int defaultColor) { |
| return isActivated() && mTabletDevice ? ACTIVATED_TEXT_COLOR |
| : defaultColor; |
| } |
| |
| private void layoutSubject() { |
| sPaint.setTextSize(mCoordinates.subjectFontSize); |
| sPaint.setColor(mHeader.fontColor); |
| mHeader.subjectLayout = new StaticLayout(mHeader.subjectText, sPaint, |
| mCoordinates.subjectWidth, Alignment.ALIGN_NORMAL, 1, 0, true); |
| if (mCoordinates.subjectLineCount < mHeader.subjectLayout.getLineCount()) { |
| int end = mHeader.subjectLayout.getLineEnd(mCoordinates.subjectLineCount - 1); |
| mHeader.subjectLayout = new StaticLayout(mHeader.subjectText.subSequence(0, end), |
| sPaint, mCoordinates.subjectWidth, Alignment.ALIGN_NORMAL, 1, 0, true); |
| } |
| } |
| |
| /** |
| * Parses senders text into small fragments. |
| */ |
| private void parseSendersFragments(boolean isUnread) { |
| if (TextUtils.isEmpty(mHeader.conversation.senders)) { |
| return; |
| } |
| mHeader.sendersText = formatSenders(mHeader.conversation.senders); |
| mHeader.addSenderFragment(0, mHeader.sendersText.length(), sNormalTextStyle, true); |
| } |
| |
| private String formatSenders(String sendersString) { |
| String[] senders = TextUtils.split(sendersString, Address.ADDRESS_DELIMETER); |
| String[] namesOnly = new String[senders.length]; |
| Rfc822Token[] senderTokens; |
| String display; |
| for (int i = 0; i < senders.length; i++) { |
| senderTokens = Rfc822Tokenizer.tokenize(senders[i]); |
| if (senderTokens != null && senderTokens.length > 0) { |
| display = senderTokens[0].getName(); |
| if (TextUtils.isEmpty(display)) { |
| display = senderTokens[0].getAddress(); |
| } |
| namesOnly[i] = display; |
| } |
| } |
| return TextUtils.join(Address.ADDRESS_DELIMETER + " ", namesOnly); |
| } |
| |
| private boolean canFitFragment(int width, int line, int fixedWidth) { |
| if (line == mCoordinates.sendersLineCount) { |
| return width + fixedWidth <= mSendersWidth; |
| } else { |
| return width <= mSendersWidth; |
| } |
| } |
| |
| private void calculateCoordinates() { |
| startTimer(PERF_TAG_CALCULATE_COORDINATES); |
| |
| sPaint.setTextSize(mCoordinates.dateFontSize); |
| sPaint.setTypeface(Typeface.DEFAULT); |
| mDateX = mCoordinates.dateXEnd - (int) sPaint.measureText(mHeader.dateText); |
| |
| mPaperclipX = mDateX - ATTACHMENT.getWidth(); |
| |
| int cellWidth = mContext.getResources().getDimensionPixelSize(R.dimen.label_cell_width); |
| |
| if (ConversationItemViewCoordinates.displayLabelsAboveDate(mMode)) { |
| mLabelsXEnd = mCoordinates.dateXEnd; |
| mSendersWidth = mCoordinates.sendersWidth; |
| } else { |
| if (mHeader.paperclip != null) { |
| mLabelsXEnd = mPaperclipX; |
| } else { |
| mLabelsXEnd = mDateX - cellWidth / 2; |
| } |
| mSendersWidth = mLabelsXEnd - mCoordinates.sendersX - 2 * cellWidth; |
| } |
| |
| if (mHeader.isLayoutValid(mContext)) { |
| pauseTimer(PERF_TAG_CALCULATE_COORDINATES); |
| return; |
| } |
| |
| // Layout subject. |
| layoutSubject(); |
| |
| // First pass to calculate width of each fragment. |
| int totalWidth = 0; |
| int fixedWidth = 0; |
| sPaint.setTextSize(mCoordinates.sendersFontSize); |
| sPaint.setTypeface(Typeface.DEFAULT); |
| for (SenderFragment senderFragment : mHeader.senderFragments) { |
| CharacterStyle style = senderFragment.style; |
| int start = senderFragment.start; |
| int end = senderFragment.end; |
| style.updateDrawState(sPaint); |
| senderFragment.width = (int) sPaint.measureText(mHeader.sendersText, start, end); |
| boolean isFixed = senderFragment.isFixed; |
| if (isFixed) { |
| fixedWidth += senderFragment.width; |
| } |
| totalWidth += senderFragment.width; |
| } |
| |
| // Second pass to layout each fragment. |
| int sendersY = mCoordinates.sendersY - mCoordinates.sendersAscent; |
| if (!ConversationItemViewCoordinates.displaySendersInline(mMode)) { |
| sendersY += totalWidth <= mSendersWidth ? mCoordinates.sendersLineHeight / 2 : 0; |
| } |
| totalWidth = 0; |
| int currentLine = 1; |
| boolean ellipsize = false; |
| for (SenderFragment senderFragment : mHeader.senderFragments) { |
| CharacterStyle style = senderFragment.style; |
| int start = senderFragment.start; |
| int end = senderFragment.end; |
| int width = senderFragment.width; |
| boolean isFixed = senderFragment.isFixed; |
| style.updateDrawState(sPaint); |
| |
| // No more width available, we'll only show fixed fragments. |
| if (ellipsize && !isFixed) { |
| senderFragment.shouldDisplay = false; |
| continue; |
| } |
| |
| // New line and ellipsize text if needed. |
| senderFragment.ellipsizedText = null; |
| if (isFixed) { |
| fixedWidth -= width; |
| } |
| if (!canFitFragment(totalWidth + width, currentLine, fixedWidth)) { |
| // The text is too long, new line won't help. We have to |
| // ellipsize text. |
| if (totalWidth == 0) { |
| ellipsize = true; |
| } else { |
| // New line. |
| if (currentLine < mCoordinates.sendersLineCount) { |
| currentLine++; |
| sendersY += mCoordinates.sendersLineHeight; |
| totalWidth = 0; |
| // The text is still too long, we have to ellipsize |
| // text. |
| if (totalWidth + width > mSendersWidth) { |
| ellipsize = true; |
| } |
| } else { |
| ellipsize = true; |
| } |
| } |
| |
| if (ellipsize) { |
| width = mSendersWidth - totalWidth; |
| // No more new line, we have to reserve width for fixed |
| // fragments. |
| if (currentLine == mCoordinates.sendersLineCount) { |
| width -= fixedWidth; |
| } |
| senderFragment.ellipsizedText = TextUtils.ellipsize( |
| mHeader.sendersText.substring(start, end), sPaint, width, |
| TruncateAt.END).toString(); |
| width = (int) sPaint.measureText(senderFragment.ellipsizedText); |
| } |
| } |
| senderFragment.x = mCoordinates.sendersX + totalWidth; |
| senderFragment.y = sendersY; |
| senderFragment.shouldDisplay = true; |
| totalWidth += width; |
| } |
| |
| pauseTimer(PERF_TAG_CALCULATE_COORDINATES); |
| } |
| |
| /** |
| * If the subject contains the tag of a mailing-list (text surrounded with |
| * []), return the subject with that tag ellipsized, e.g. |
| * "[android-gmail-team] Hello" -> "[andr...] Hello" |
| */ |
| private String filterTag(String subject) { |
| String result = subject; |
| String formatString = getContext().getResources().getString(R.string.filtered_tag); |
| if (!TextUtils.isEmpty(subject) && subject.charAt(0) == '[') { |
| int end = subject.indexOf(']'); |
| if (end > 0) { |
| String tag = subject.substring(1, end); |
| result = String.format(formatString, Utils.ellipsize(tag, 7), |
| subject.substring(end + 1)); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int width = measureWidth(widthMeasureSpec); |
| int height = measureHeight(heightMeasureSpec, |
| ConversationItemViewCoordinates.getMode(mContext, mViewMode)); |
| setMeasuredDimension(width, height); |
| } |
| |
| /** |
| * Determine the width of this view. |
| * |
| * @param measureSpec A measureSpec packed into an int |
| * @return The width of the view, honoring constraints from measureSpec |
| */ |
| private int measureWidth(int measureSpec) { |
| int result = 0; |
| int specMode = MeasureSpec.getMode(measureSpec); |
| int specSize = MeasureSpec.getSize(measureSpec); |
| |
| if (specMode == MeasureSpec.EXACTLY) { |
| // We were told how big to be |
| result = specSize; |
| } else { |
| // Measure the text |
| result = mViewWidth; |
| if (specMode == MeasureSpec.AT_MOST) { |
| // Respect AT_MOST value if that was what is called for by |
| // measureSpec |
| result = Math.min(result, specSize); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Determine the height of this view. |
| * |
| * @param measureSpec A measureSpec packed into an int |
| * @param mode The current mode of this view |
| * @return The height of the view, honoring constraints from measureSpec |
| */ |
| private int measureHeight(int measureSpec, int mode) { |
| int result = 0; |
| int specMode = MeasureSpec.getMode(measureSpec); |
| int specSize = MeasureSpec.getSize(measureSpec); |
| |
| if (specMode == MeasureSpec.EXACTLY) { |
| // We were told how big to be |
| result = specSize; |
| } else { |
| // Measure the text |
| result = ConversationItemViewCoordinates.getHeight(mContext, mode); |
| if (specMode == MeasureSpec.AT_MOST) { |
| // Respect AT_MOST value if that was what is called for by |
| // measureSpec |
| result = Math.min(result, specSize); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| // Check mark. |
| if (mHeader.checkboxVisible) { |
| Bitmap checkmark = mChecked ? CHECKMARK_ON : CHECKMARK_OFF; |
| canvas.drawBitmap(checkmark, mCoordinates.checkmarkX, mCoordinates.checkmarkY, sPaint); |
| } |
| |
| // Personal Level. |
| if (mHeader.personalLevelBitmap != null) { |
| canvas.drawBitmap(mHeader.personalLevelBitmap, mCoordinates.personalLevelX, |
| mCoordinates.personalLevelY, sPaint); |
| } |
| |
| // Senders. |
| sPaint.setTextSize(mCoordinates.sendersFontSize); |
| sPaint.setTypeface(Typeface.DEFAULT); |
| boolean isUnread = mHeader.unread; |
| int sendersColor = getFontColor(isUnread ? SENDERS_TEXT_COLOR_UNREAD |
| : SENDERS_TEXT_COLOR_READ); |
| sPaint.setColor(sendersColor); |
| for (SenderFragment fragment : mHeader.senderFragments) { |
| if (fragment.shouldDisplay) { |
| sPaint.setTypeface(Typeface.DEFAULT); |
| fragment.style.updateDrawState(sPaint); |
| if (fragment.ellipsizedText != null) { |
| canvas.drawText(fragment.ellipsizedText, fragment.x, fragment.y, sPaint); |
| } else { |
| canvas.drawText(mHeader.sendersText, fragment.start, fragment.end, fragment.x, |
| fragment.y, sPaint); |
| } |
| } |
| } |
| |
| // Subject. |
| sPaint.setTextSize(mCoordinates.subjectFontSize); |
| sPaint.setTypeface(Typeface.DEFAULT); |
| sPaint.setColor(mHeader.fontColor); |
| canvas.save(); |
| canvas.translate(mCoordinates.subjectX, |
| mCoordinates.subjectY + mHeader.subjectLayout.getTopPadding()); |
| mHeader.subjectLayout.draw(canvas); |
| canvas.restore(); |
| |
| // Date background: shown when there is an attachment or a visible |
| // label. |
| if (!isActivated() |
| && mHeader.conversation.hasAttachments |
| && ConversationItemViewCoordinates.showAttachmentBackground(mMode)) { |
| mHeader.dateBackground = DATE_BACKGROUND; |
| int leftOffset = (mHeader.conversation.hasAttachments ? mPaperclipX : mDateX) |
| - DATE_BACKGROUND_PADDING_LEFT; |
| int top = mCoordinates.labelsY; |
| Rect src = new Rect(0, 0, mHeader.dateBackground.getWidth(), mHeader.dateBackground |
| .getHeight()); |
| Rect dst = new Rect(leftOffset, top, mViewWidth, top + sDateBackgroundHeight); |
| canvas.drawBitmap(mHeader.dateBackground, src, dst, sPaint); |
| } else { |
| mHeader.dateBackground = null; |
| } |
| |
| // Date. |
| sPaint.setTextSize(mCoordinates.dateFontSize); |
| sPaint.setTypeface(Typeface.DEFAULT); |
| sPaint.setColor(isUnread ? DATE_TEXT_COLOR_UNREAD : DATE_TEXT_COLOR_READ); |
| drawText(canvas, mHeader.dateText, mDateX, mCoordinates.dateY - mCoordinates.dateAscent, |
| sPaint); |
| |
| // Paper clip icon. |
| if (mHeader.paperclip != null) { |
| canvas.drawBitmap(mHeader.paperclip, mPaperclipX, mCoordinates.paperclipY, sPaint); |
| } |
| |
| if (mHeader.faded) { |
| int fadedColor = -1; |
| if (sFadedActivatedColor == -1) { |
| sFadedActivatedColor = mContext.getResources().getColor( |
| R.color.faded_activated_conversation_header); |
| } |
| fadedColor = sFadedActivatedColor; |
| int restoreState = canvas.save(); |
| Rect bounds = canvas.getClipBounds(); |
| canvas.clipRect(bounds.left, bounds.top, bounds.right |
| - mContext.getResources().getDimensionPixelSize(R.dimen.triangle_width), |
| bounds.bottom); |
| canvas.drawARGB(Color.alpha(fadedColor), Color.red(fadedColor), |
| Color.green(fadedColor), Color.blue(fadedColor)); |
| canvas.restoreToCount(restoreState); |
| } |
| |
| // Star. |
| canvas.drawBitmap(mHeader.starBitmap, mCoordinates.starX, mCoordinates.starY, sPaint); |
| } |
| |
| private void drawText(Canvas canvas, CharSequence s, int x, int y, TextPaint paint) { |
| canvas.drawText(s, 0, s.length(), x, y, paint); |
| } |
| |
| private void updateBackground(boolean isUnread) { |
| if (isUnread) { |
| if (mTabletDevice && mViewMode.getMode() == ViewMode.CONVERSATION_LIST) { |
| if (mChecked) { |
| setBackgroundResource(R.drawable.list_conversation_wide_unread_selected_holo); |
| } else { |
| setBackgroundResource(R.drawable.conversation_wide_unread_selector); |
| } |
| } else { |
| if (mChecked) { |
| setCheckedActivatedBackground(); |
| } else { |
| setBackgroundResource(R.drawable.conversation_unread_selector); |
| } |
| } |
| } else { |
| if (mTabletDevice && mViewMode.getMode() == ViewMode.CONVERSATION_LIST) { |
| if (mChecked) { |
| setBackgroundResource(R.drawable.list_conversation_wide_read_selected_holo); |
| } else { |
| setBackgroundResource(R.drawable.conversation_wide_read_selector); |
| } |
| } else { |
| if (mChecked) { |
| setCheckedActivatedBackground(); |
| } else { |
| setBackgroundResource(R.drawable.conversation_read_selector); |
| } |
| } |
| } |
| } |
| |
| private void setCheckedActivatedBackground() { |
| if (isActivated() && mTabletDevice) { |
| setBackgroundResource(R.drawable.list_arrow_selected_holo); |
| } else { |
| setBackgroundResource(R.drawable.list_selected_holo); |
| } |
| } |
| |
| /** |
| * Toggle the check mark on this view and update the conversation |
| */ |
| public void toggleCheckMark() { |
| mChecked = !mChecked; |
| Conversation conv = mHeader.conversation; |
| // Set the list position of this item in the conversation |
| conv.position = mChecked ? ((ListView)getParent()).getPositionForView(this) |
| : Conversation.NO_POSITION; |
| if (mSelectedConversationSet != null) { |
| mSelectedConversationSet.toggle(conv); |
| } |
| // We update the background after the checked state has changed now that |
| // we have a selected background asset. Setting the background usually |
| // waits for a layout pass, but we don't need a full layout, just an |
| // update to the background. |
| requestLayout(); |
| } |
| |
| /** |
| * Toggle the star on this view and update the conversation. |
| */ |
| private void toggleStar() { |
| mHeader.starred = !mHeader.starred; |
| mHeader.starBitmap = mHeader.starred ? STAR_ON : STAR_OFF; |
| postInvalidate(mCoordinates.starX, mCoordinates.starY, mCoordinates.starX |
| + mHeader.starBitmap.getWidth(), |
| mCoordinates.starY + mHeader.starBitmap.getHeight()); |
| // Generalize this... |
| mHeader.conversation.updateBoolean(mContext, ConversationColumns.STARRED, mHeader.starred); |
| } |
| |
| private boolean touchCheckmark(float x, float y) { |
| // Everything before senders and include a touch slop. |
| return mHeader.checkboxVisible && x < mCoordinates.sendersX + TOUCH_SLOP; |
| } |
| |
| private boolean touchStar(float x, float y) { |
| // Everything after the star and include a touch slop. |
| return x > mCoordinates.starX - TOUCH_SLOP; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| boolean handled = false; |
| |
| int x = (int) event.getX(); |
| int y = (int) event.getY(); |
| switch (event.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| mDownEvent = true; |
| if (touchCheckmark(x, y) || touchStar(x, y)) { |
| handled = true; |
| } |
| break; |
| |
| case MotionEvent.ACTION_CANCEL: |
| mDownEvent = false; |
| break; |
| |
| case MotionEvent.ACTION_UP: |
| if (mDownEvent) { |
| if (touchCheckmark(x, y)) { |
| // Touch on the check mark |
| toggleCheckMark(); |
| } else if (touchStar(x, y)) { |
| // Touch on the star |
| toggleStar(); |
| } |
| handled = true; |
| } |
| break; |
| } |
| |
| if (!handled) { |
| handled = super.onTouchEvent(event); |
| } |
| |
| return handled; |
| } |
| } |