Bug 931843 - Part 1: generate smaller thumbnails. r=kats

This commit is contained in:
Richard Newman 2013-11-04 11:48:58 -08:00
Родитель 88d755b107
Коммит 4d2c4c281a
2 изменённых файлов: 20 добавлений и 9 удалений

Просмотреть файл

@ -96,18 +96,24 @@ public final class ThumbnailHelper {
}
public void setThumbnailWidth(int width) {
mPendingWidth.set(IntSize.nextPowerOfTwo(width));
// Check inverted for safety: Bug 803299 Comment 34.
if (GeckoAppShell.getScreenDepth() == 24) {
mPendingWidth.set(width);
} else {
// Bug 776906: on 16-bit screens we need to ensure an even width.
mPendingWidth.set((width & 1) == 0 ? width : width + 1);
}
}
private void updateThumbnailSize() {
// Apply any pending width updates
// Apply any pending width updates.
mWidth = mPendingWidth.get();
mWidth &= ~0x1; // Ensure the width is always an even number (bug 776906)
mHeight = Math.round(mWidth * THUMBNAIL_ASPECT_RATIO);
int pixelSize = (GeckoAppShell.getScreenDepth() == 24) ? 4 : 2;
int capacity = mWidth * mHeight * pixelSize;
Log.d(LOGTAG, "Using new thumbnail size: " + capacity + " (width " + mWidth + ")");
if (mBuffer == null || mBuffer.capacity() != capacity) {
if (mBuffer != null) {
mBuffer = DirectBufferAllocator.free(mBuffer);
@ -139,6 +145,7 @@ public final class ThumbnailHelper {
return;
}
Log.d(LOGTAG, "Sending thumbnail event: " + mWidth + ", " + mHeight);
GeckoEvent e = GeckoEvent.createThumbnailEvent(tab.getId(), mWidth, mHeight, mBuffer);
GeckoAppShell.sendEventToGecko(e);
}
@ -172,6 +179,7 @@ public final class ThumbnailHelper {
}
private void handleThumbnailData(Tab tab, ByteBuffer data) {
Log.d(LOGTAG, "handleThumbnailData: " + data.capacity());
if (data != mBuffer) {
// This should never happen, but log it and recover gracefully
Log.e(LOGTAG, "handleThumbnailData called with an unexpected ByteBuffer!");

Просмотреть файл

@ -18,6 +18,7 @@ import android.database.Cursor;
import android.graphics.Rect;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View;
import android.widget.AbsListView;
@ -179,13 +180,10 @@ public class TopSitesGridView extends GridView {
return;
}
final int childWidth = getColumnWidth();
// Set the column width as the thumbnail width.
ThumbnailHelper.getInstance().setThumbnailWidth(childWidth);
final int columnWidth = getColumnWidth();
// Get the first child from the adapter.
final View child = new TopSitesGridItemView(getContext());
final TopSitesGridItemView child = new TopSitesGridItemView(getContext());
// Set a default LayoutParams on the child, if it doesn't have one on its own.
AbsListView.LayoutParams params = (AbsListView.LayoutParams) child.getLayoutParams();
@ -197,11 +195,16 @@ public class TopSitesGridView extends GridView {
// Measure the exact width of the child, and the height based on the width.
// Note: the child (and TopSitesThumbnailView) takes care of calculating its height.
int childWidthSpec = MeasureSpec.makeMeasureSpec(childWidth, MeasureSpec.EXACTLY);
int childWidthSpec = MeasureSpec.makeMeasureSpec(columnWidth, MeasureSpec.EXACTLY);
int childHeightSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
child.measure(childWidthSpec, childHeightSpec);
final int childHeight = child.getMeasuredHeight();
// This is the maximum width of the contents of each child in the grid.
// Use this as the target width for thumbnails.
final int thumbnailWidth = child.getMeasuredWidth() - child.getPaddingLeft() - child.getPaddingRight();
ThumbnailHelper.getInstance().setThumbnailWidth(thumbnailWidth);
// Number of rows required to show these top sites.
final int rows = (int) Math.ceil((double) mMaxSites / mNumColumns);
final int childrenHeight = childHeight * rows;