Index: chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java |
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java |
index d0229505dd0382bcff8dc3a7609d4723119487bd..845d5ecbd89004363a7eb657e4c71014ccde51fb 100644 |
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java |
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadHistoryAdapter.java |
@@ -28,7 +28,11 @@ import org.chromium.chrome.browser.widget.selection.SelectionDelegate; |
import org.chromium.content_public.browser.DownloadState; |
import java.util.ArrayList; |
+import java.util.Calendar; |
+import java.util.Date; |
+import java.util.HashMap; |
import java.util.List; |
+import java.util.Map; |
import java.util.Set; |
/** Bridges the user's download history and the UI used to display it. */ |
@@ -57,6 +61,42 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
} |
} |
+ /** Represents the subsection header of the suggested pages for a given date */ |
gone
2017/02/15 23:58:09
end with a period
shaktisahu
2017/02/16 06:07:06
Done.
|
+ public class SubsectionHeader extends TimedItem { |
+ private Long mStableId; |
+ private Date mDate; |
+ private int mItemCount; |
+ private long mTotalFileSize; |
gone
2017/02/15 23:58:09
Everything here should be final. Stable ID can be
shaktisahu
2017/02/16 06:07:06
Done.
|
+ |
+ public SubsectionHeader(Date date, int itemCount, long totalFileSize) { |
+ mDate = date; |
+ mItemCount = itemCount; |
+ mTotalFileSize = totalFileSize; |
+ } |
+ |
+ @Override |
+ public long getTimestamp() { |
+ return mDate.getTime(); |
+ } |
+ |
+ public int getItemCount() { |
+ return mItemCount; |
+ } |
+ |
+ public long getTotalFileSize() { |
+ return mTotalFileSize; |
+ } |
+ |
+ @Override |
+ public long getStableId() { |
+ if (mStableId == null) { |
+ // Generate a stable ID based on timestamp. |
+ mStableId = 0xFFFFFFFF00000000L + (getTimestamp() & 0x0FFFFFFFF); |
+ } |
+ return mStableId; |
+ } |
+ } |
+ |
/** |
* Tracks externally deleted items that have been removed from downloads history. |
* Shared across instances. |
@@ -69,6 +109,8 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
private final BackendItems mIncognitoDownloadItems = new BackendItemsImpl(); |
private final BackendItems mOfflinePageItems = new BackendItemsImpl(); |
+ private final Map<Date, Boolean> mSuggestedSectionExpanded = new HashMap<>(); |
gone
2017/02/15 23:58:09
Don't arbitrarily separate the BackendItemsImpls()
shaktisahu
2017/02/16 06:07:06
Done.
|
+ |
private final BackendItems mFilteredItems = new BackendItemsImpl(); |
private final FilePathsToDownloadItemsMap mFilePathsToItemsMap = |
new FilePathsToDownloadItemsMap(); |
@@ -208,6 +250,25 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
} |
@Override |
+ protected SubsectionHeaderViewHolder createSubsectionHeader(ViewGroup parent) { |
+ OfflineGroupHeaderView offlineHeader = |
+ (OfflineGroupHeaderView) LayoutInflater.from(parent.getContext()) |
+ .inflate(R.layout.offline_download_header, parent, false); |
gone
2017/02/15 23:58:09
Can you clarify what you're expecting here? infla
shaktisahu
2017/02/16 06:07:06
The third param attachToRoot is false here. The re
gone
2017/02/17 19:21:16
Acknowledged. Misread the params list :/
|
+ offlineHeader.setAdapter(this); |
+ return new SubsectionHeaderViewHolder(offlineHeader); |
+ } |
+ |
+ @Override |
+ protected void bindViewHolderForSubsectionHeader( |
+ SubsectionHeaderViewHolder holder, TimedItem timedItem) { |
+ SubsectionHeader headerItem = (SubsectionHeader) timedItem; |
+ Date date = new Date(headerItem.getTimestamp()); |
+ OfflineGroupHeaderView headerView = (OfflineGroupHeaderView) holder.getView(); |
+ headerView.updateView(date, isSubsectionExpanded(date), headerItem.getItemCount(), |
+ headerItem.getTotalFileSize()); |
+ } |
+ |
+ @Override |
public ViewHolder createViewHolder(ViewGroup parent) { |
DownloadItemView v = (DownloadItemView) LayoutInflater.from(parent.getContext()).inflate( |
R.layout.download_item_view, parent, false); |
@@ -224,6 +285,11 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
holder.getItemView().displayItem(mBackendProvider, item); |
} |
+ @Override |
+ protected ItemGroup createGroup(long timeStamp) { |
+ return new DownloadItemGroup(timeStamp); |
+ } |
+ |
/** Called when a new DownloadItem has been created by the native DownloadManager. */ |
public void onDownloadItemCreated(DownloadItem item) { |
boolean isOffTheRecord = item.getDownloadInfo().isOffTheRecord(); |
@@ -395,9 +461,74 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
mFilteredItems.clear(); |
mRegularDownloadItems.filter(mFilter, mSearchQuery, mFilteredItems); |
mIncognitoDownloadItems.filter(mFilter, mSearchQuery, mFilteredItems); |
- mOfflinePageItems.filter(mFilter, mSearchQuery, mFilteredItems); |
+ |
+ Map<Date, Integer> suggestedPageCount = new HashMap<>(); |
gone
2017/02/15 23:58:09
1) Pull this whole new block out to some private f
shaktisahu
2017/02/16 06:07:06
Done.
|
+ Map<Date, Long> suggestedPageTotalSize = new HashMap<>(); |
+ |
+ BackendItems offlinePageItems = new BackendItemsImpl(); |
gone
2017/02/15 23:58:09
filteredOfflinePageItems
shaktisahu
2017/02/16 06:07:06
Done.
|
+ mOfflinePageItems.filter(mFilter, mSearchQuery, offlinePageItems); |
+ |
+ // Add the suggested pages to the adapter only if the section is expanded for that date. |
gone
2017/02/15 23:58:09
This comment only applies to the inner if statemen
shaktisahu
2017/02/16 06:07:06
Done.
|
+ for (DownloadHistoryItemWrapper item : offlinePageItems) { |
+ OfflinePageItemWrapper offlineItem = (OfflinePageItemWrapper) item; |
+ if (offlineItem.isSuggested()) { |
+ incrementSuggestedPageCount( |
+ offlineItem, suggestedPageCount, suggestedPageTotalSize); |
+ if (!isSubsectionExpanded(getDateWithoutTime(offlineItem.getTimestamp()))) continue; |
+ } |
+ mFilteredItems.add(offlineItem); |
+ } |
+ |
+ List<TimedItem> itemsToLoad = new ArrayList<>(); |
+ itemsToLoad.addAll(mFilteredItems); |
+ |
+ // Add a header suggested pages for each date |
gone
2017/02/15 23:58:09
// Add a TimedItem for each subsection.
shaktisahu
2017/02/16 06:07:06
Done.
|
+ for (Date date : suggestedPageCount.keySet()) { |
+ itemsToLoad.add(new SubsectionHeader( |
+ date, suggestedPageCount.get(date), suggestedPageTotalSize.get(date))); |
+ } |
+ |
+ clear(false); |
+ loadItems(itemsToLoad); |
+ } |
+ |
+ // Updates the total number of suggested pages and file size grouped by date. |
+ private void incrementSuggestedPageCount(OfflinePageItemWrapper offlineItem, |
+ Map<Date, Integer> suggestedPageCount, Map<Date, Long> suggestedPageTotalSize) { |
+ Date date = getDateWithoutTime(offlineItem.getTimestamp()); |
+ |
+ Integer count = suggestedPageCount.get(date); |
+ if (count == null) count = 0; |
gone
2017/02/15 23:58:09
Avoid Integers if you don't need to use them. The
shaktisahu
2017/02/16 06:07:06
Done.
|
+ count++; |
+ suggestedPageCount.put(date, count); |
gone
2017/02/15 23:58:09
suggestedPageCount.put(date, count + 1);
shaktisahu
2017/02/16 06:07:06
Done.
|
+ |
+ Long fileSize = suggestedPageTotalSize.get(date); |
+ if (fileSize == null) fileSize = 0L; |
+ fileSize += offlineItem.getFileSize(); |
+ suggestedPageTotalSize.put(date, fileSize); |
gone
2017/02/15 23:58:09
Same comments as above.
shaktisahu
2017/02/16 06:07:06
Done.
|
+ } |
+ |
+ /** |
+ * Whether the suggested pages section is expanded for a given date. |
+ * @param date The download date. |
+ * @return Whether the suggested pages section is expanded. |
+ */ |
+ public boolean isSubsectionExpanded(Date date) { |
+ // Default state is collpased. |
+ if (mSuggestedSectionExpanded.get(date) == null) return false; |
+ |
+ return mSuggestedSectionExpanded.get(date); |
+ } |
+ |
+ public void setSubsectionExpanded(Date date, boolean expanded) { |
gone
2017/02/15 23:58:09
Javadoc.
shaktisahu
2017/02/16 06:07:06
Done.
|
+ mSuggestedSectionExpanded.put(date, expanded); |
gone
2017/02/15 23:58:09
Be consistent about what you're calling this thing
shaktisahu
2017/02/16 06:07:06
Done.
|
clear(false); |
- loadItems(mFilteredItems); |
+ filter(mFilter); |
+ } |
+ |
+ @Override |
+ protected boolean isSubsectionHeader(TimedItem timedItem) { |
+ return timedItem instanceof SubsectionHeader; |
} |
private void initializeOfflinePageBridge() { |
@@ -477,4 +608,14 @@ public class DownloadHistoryAdapter extends DateDividedAdapter |
RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Total", |
mRegularDownloadItems.size() + mOfflinePageItems.size()); |
} |
+ |
+ private Date getDateWithoutTime(long timestamp) { |
gone
2017/02/15 23:58:09
/** Calculates the {@link Date} for midnight of th
shaktisahu
2017/02/16 06:07:06
Done.
|
+ Calendar cal = Calendar.getInstance(); |
+ cal.setTimeInMillis(timestamp); |
+ cal.set(Calendar.HOUR_OF_DAY, 0); |
+ cal.set(Calendar.MINUTE, 0); |
+ cal.set(Calendar.SECOND, 0); |
+ cal.set(Calendar.MILLISECOND, 0); |
+ return cal.getTime(); |
+ } |
} |