diff options
Diffstat (limited to 'mobile/android/base/java/org/mozilla/gecko/tabs/TabsGridLayout.java')
| -rw-r--r-- | mobile/android/base/java/org/mozilla/gecko/tabs/TabsGridLayout.java | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/tabs/TabsGridLayout.java b/mobile/android/base/java/org/mozilla/gecko/tabs/TabsGridLayout.java deleted file mode 100644 index ead7db9fe..000000000 --- a/mobile/android/base/java/org/mozilla/gecko/tabs/TabsGridLayout.java +++ /dev/null @@ -1,712 +0,0 @@ -/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this file, - * You can obtain one at http://mozilla.org/MPL/2.0/. */ - -package org.mozilla.gecko.tabs; - -import org.mozilla.gecko.AppConstants; -import org.mozilla.gecko.GeckoAppShell; -import org.mozilla.gecko.R; -import org.mozilla.gecko.Tab; -import org.mozilla.gecko.Tabs; -import org.mozilla.gecko.animation.PropertyAnimator; -import org.mozilla.gecko.tabs.TabsPanel.TabsLayout; -import org.mozilla.gecko.widget.themed.ThemedRelativeLayout; - -import android.content.Context; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.graphics.PointF; -import android.graphics.Rect; -import android.os.Build; -import android.util.AttributeSet; -import android.util.SparseArray; -import android.view.MotionEvent; -import android.view.VelocityTracker; -import android.view.View; -import android.view.ViewConfiguration; -import android.view.ViewGroup; -import android.view.ViewTreeObserver; -import android.view.animation.DecelerateInterpolator; -import android.widget.AbsListView; -import android.widget.AdapterView; -import android.widget.Button; -import android.widget.GridView; -import android.animation.Animator; -import android.animation.AnimatorSet; -import android.animation.ObjectAnimator; -import android.animation.PropertyValuesHolder; -import android.animation.ValueAnimator; - -import java.util.ArrayList; -import java.util.List; - -/** - * A tabs layout implementation for the tablet redesign (bug 1014156) and later ported to mobile (bug 1193745). - */ - -class TabsGridLayout extends GridView - implements TabsLayout, - Tabs.OnTabsChangedListener { - - private static final String LOGTAG = "Gecko" + TabsGridLayout.class.getSimpleName(); - - public static final int ANIM_DELAY_MULTIPLE_MS = 20; - private static final int ANIM_TIME_MS = 200; - private static final DecelerateInterpolator ANIM_INTERPOLATOR = new DecelerateInterpolator(); - - private final SparseArray<PointF> tabLocations = new SparseArray<PointF>(); - private final boolean isPrivate; - private final TabsLayoutAdapter tabsAdapter; - private final int columnWidth; - private TabsPanel tabsPanel; - private int lastSelectedTabId; - - public TabsGridLayout(final Context context, final AttributeSet attrs) { - super(context, attrs, R.attr.tabGridLayoutViewStyle); - - TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabsLayout); - isPrivate = (a.getInt(R.styleable.TabsLayout_tabs, 0x0) == 1); - a.recycle(); - - tabsAdapter = new TabsGridLayoutAdapter(context); - setAdapter(tabsAdapter); - - setRecyclerListener(new RecyclerListener() { - @Override - public void onMovedToScrapHeap(View view) { - TabsLayoutItemView item = (TabsLayoutItemView) view; - item.setThumbnail(null); - } - }); - - // The clipToPadding setting in the styles.xml doesn't seem to be working (bug 1101784) - // so lets set it manually in code for the moment as it's needed for the padding animation - setClipToPadding(false); - - setVerticalFadingEdgeEnabled(false); - - final Resources resources = getResources(); - columnWidth = resources.getDimensionPixelSize(R.dimen.tab_panel_column_width); - - final int padding = resources.getDimensionPixelSize(R.dimen.tab_panel_grid_padding); - final int paddingTop = resources.getDimensionPixelSize(R.dimen.tab_panel_grid_padding_top); - - // Lets set double the top padding on the bottom so that the last row shows up properly! - // Your demise, GridView, cannot come fast enough. - final int paddingBottom = paddingTop * 2; - - setPadding(padding, paddingTop, padding, paddingBottom); - - setOnItemClickListener(new OnItemClickListener() { - @Override - public void onItemClick(AdapterView<?> parent, View view, int position, long id) { - final TabsLayoutItemView tabView = (TabsLayoutItemView) view; - final int tabId = tabView.getTabId(); - final Tab tab = Tabs.getInstance().selectTab(tabId); - if (tab == null) { - return; - } - autoHidePanel(); - Tabs.getInstance().notifyListeners(tab, Tabs.TabEvents.OPENED_FROM_TABS_TRAY); - } - }); - - TabSwipeGestureListener mSwipeListener = new TabSwipeGestureListener(); - setOnTouchListener(mSwipeListener); - setOnScrollListener(mSwipeListener.makeScrollListener()); - } - - private void populateTabLocations(final Tab removedTab) { - tabLocations.clear(); - - final int firstPosition = getFirstVisiblePosition(); - final int lastPosition = getLastVisiblePosition(); - final int numberOfColumns = getNumColumns(); - final int childCount = getChildCount(); - final int removedPosition = tabsAdapter.getPositionForTab(removedTab); - - for (int x = 1, i = (removedPosition - firstPosition) + 1; i < childCount; i++, x++) { - final View child = getChildAt(i); - if (child != null) { - // Reset the transformations here in case the user is swiping tabs away fast and they swipe a tab - // before the last animation has finished (bug 1179195). - resetTransforms(child); - - tabLocations.append(x, new PointF(child.getX(), child.getY())); - } - } - - final boolean firstChildOffScreen = ((firstPosition > 0) || getChildAt(0).getY() < 0); - final boolean lastChildVisible = (lastPosition - childCount == firstPosition - 1); - final boolean oneItemOnLastRow = (lastPosition % numberOfColumns == 0); - if (firstChildOffScreen && lastChildVisible && oneItemOnLastRow) { - // We need to set the view's bottom padding to prevent a sudden jump as the - // last item in the row is being removed. We then need to remove the padding - // via a sweet animation - - final int removedHeight = getChildAt(0).getMeasuredHeight(); - final int verticalSpacing = - getResources().getDimensionPixelOffset(R.dimen.tab_panel_grid_vspacing); - - ValueAnimator paddingAnimator = ValueAnimator.ofInt(getPaddingBottom() + removedHeight + verticalSpacing, getPaddingBottom()); - paddingAnimator.setDuration(ANIM_TIME_MS * 2); - - paddingAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { - - @Override - public void onAnimationUpdate(ValueAnimator animation) { - setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), (Integer) animation.getAnimatedValue()); - } - }); - paddingAnimator.start(); - } - } - - @Override - public void setTabsPanel(TabsPanel panel) { - tabsPanel = panel; - } - - @Override - public void show() { - setVisibility(View.VISIBLE); - Tabs.getInstance().refreshThumbnails(); - Tabs.registerOnTabsChangedListener(this); - refreshTabsData(); - - final Tab currentlySelectedTab = Tabs.getInstance().getSelectedTab(); - final int position = currentlySelectedTab != null ? tabsAdapter.getPositionForTab(currentlySelectedTab) : -1; - if (position != -1) { - final boolean selectionChanged = lastSelectedTabId != currentlySelectedTab.getId(); - final boolean positionIsVisible = position >= getFirstVisiblePosition() && position <= getLastVisiblePosition(); - - if (selectionChanged || !positionIsVisible) { - smoothScrollToPosition(position); - } - } - } - - @Override - public void hide() { - lastSelectedTabId = Tabs.getInstance().getSelectedTab().getId(); - setVisibility(View.GONE); - Tabs.unregisterOnTabsChangedListener(this); - GeckoAppShell.notifyObservers("Tab:Screenshot:Cancel", ""); - tabsAdapter.clear(); - } - - @Override - public boolean shouldExpand() { - return true; - } - - private void autoHidePanel() { - tabsPanel.autoHidePanel(); - } - - @Override - public void onTabChanged(Tab tab, Tabs.TabEvents msg, String data) { - switch (msg) { - case ADDED: - // Refresh only if panel is shown. show() will call refreshTabsData() later again. - if (tabsPanel.isShown()) { - // Refresh the list to make sure the new tab is added in the right position. - refreshTabsData(); - } - break; - - case CLOSED: - - // This is limited to >= ICS as animations on GB devices are generally pants - if (Build.VERSION.SDK_INT >= 11 && tabsAdapter.getCount() > 0) { - animateRemoveTab(tab); - } - - final Tabs tabsInstance = Tabs.getInstance(); - - if (tabsAdapter.removeTab(tab)) { - if (tab.isPrivate() == isPrivate && tabsAdapter.getCount() > 0) { - int selected = tabsAdapter.getPositionForTab(tabsInstance.getSelectedTab()); - updateSelectedStyle(selected); - } - if (!tab.isPrivate()) { - // Make sure we always have at least one normal tab - final Iterable<Tab> tabs = tabsInstance.getTabsInOrder(); - boolean removedTabIsLastNormalTab = true; - for (Tab singleTab : tabs) { - if (!singleTab.isPrivate()) { - removedTabIsLastNormalTab = false; - break; - } - } - if (removedTabIsLastNormalTab) { - tabsInstance.addTab(); - } - } - } - break; - - case SELECTED: - // Update the selected position, then fall through... - updateSelectedPosition(); - case UNSELECTED: - // We just need to update the style for the unselected tab... - case THUMBNAIL: - case TITLE: - case RECORDING_CHANGE: - case AUDIO_PLAYING_CHANGE: - View view = getChildAt(tabsAdapter.getPositionForTab(tab) - getFirstVisiblePosition()); - if (view == null) - return; - - ((TabsLayoutItemView) view).assignValues(tab); - break; - } - } - - // Updates the selected position in the list so that it will be scrolled to the right place. - private void updateSelectedPosition() { - int selected = tabsAdapter.getPositionForTab(Tabs.getInstance().getSelectedTab()); - updateSelectedStyle(selected); - - if (selected != -1) { - setSelection(selected); - } - } - - /** - * Updates the selected/unselected style for the tabs. - * - * @param selected position of the selected tab - */ - private void updateSelectedStyle(final int selected) { - post(new Runnable() { - @Override - public void run() { - final int displayCount = tabsAdapter.getCount(); - - for (int i = 0; i < displayCount; i++) { - final Tab tab = tabsAdapter.getItem(i); - final boolean checked = displayCount == 1 || i == selected; - final View tabView = getViewForTab(tab); - if (tabView != null) { - ((TabsLayoutItemView) tabView).setChecked(checked); - } - // setItemChecked doesn't exist until API 11, despite what the API docs say! - setItemChecked(i, checked); - } - } - }); - } - - private void refreshTabsData() { - // Store a different copy of the tabs, so that we don't have to worry about - // accidentally updating it on the wrong thread. - ArrayList<Tab> tabData = new ArrayList<>(); - - Iterable<Tab> allTabs = Tabs.getInstance().getTabsInOrder(); - for (Tab tab : allTabs) { - if (tab.isPrivate() == isPrivate) - tabData.add(tab); - } - - tabsAdapter.setTabs(tabData); - updateSelectedPosition(); - } - - private void resetTransforms(View view) { - view.setAlpha(1); - view.setTranslationX(0); - view.setTranslationY(0); - - ((TabsLayoutItemView) view).setCloseVisible(true); - } - - @Override - public void closeAll() { - - autoHidePanel(); - - if (getChildCount() == 0) { - return; - } - - final Iterable<Tab> tabs = Tabs.getInstance().getTabsInOrder(); - for (Tab tab : tabs) { - // In the normal panel we want to close all tabs (both private and normal), - // but in the private panel we only want to close private tabs. - if (!isPrivate || tab.isPrivate()) { - Tabs.getInstance().closeTab(tab, false); - } - } - } - - private View getViewForTab(Tab tab) { - final int position = tabsAdapter.getPositionForTab(tab); - return getChildAt(position - getFirstVisiblePosition()); - } - - void closeTab(View v) { - if (tabsAdapter.getCount() == 1) { - autoHidePanel(); - } - - TabsLayoutItemView itemView = (TabsLayoutItemView) v.getTag(); - Tab tab = Tabs.getInstance().getTab(itemView.getTabId()); - - Tabs.getInstance().closeTab(tab, true); - } - - private void animateRemoveTab(final Tab removedTab) { - final int removedPosition = tabsAdapter.getPositionForTab(removedTab); - - final View removedView = getViewForTab(removedTab); - - // The removed position might not have a matching child view - // when it's not within the visible range of positions in the strip. - if (removedView == null) { - return; - } - final int removedHeight = removedView.getMeasuredHeight(); - - populateTabLocations(removedTab); - - getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { - @Override - public boolean onPreDraw() { - getViewTreeObserver().removeOnPreDrawListener(this); - // We don't animate the removed child view (it just disappears) - // but we still need its size to animate all affected children - // within the visible viewport. - final int childCount = getChildCount(); - final int firstPosition = getFirstVisiblePosition(); - final int numberOfColumns = getNumColumns(); - - final List<Animator> childAnimators = new ArrayList<>(); - - PropertyValuesHolder translateX, translateY; - for (int x = 0, i = removedPosition - firstPosition; i < childCount; i++, x++) { - final View child = getChildAt(i); - ObjectAnimator animator; - - if (i % numberOfColumns == numberOfColumns - 1) { - // Animate X & Y - translateX = PropertyValuesHolder.ofFloat("translationX", -(columnWidth * numberOfColumns), 0); - translateY = PropertyValuesHolder.ofFloat("translationY", removedHeight, 0); - animator = ObjectAnimator.ofPropertyValuesHolder(child, translateX, translateY); - } else { - // Just animate X - translateX = PropertyValuesHolder.ofFloat("translationX", columnWidth, 0); - animator = ObjectAnimator.ofPropertyValuesHolder(child, translateX); - } - animator.setStartDelay(x * ANIM_DELAY_MULTIPLE_MS); - childAnimators.add(animator); - } - - final AnimatorSet animatorSet = new AnimatorSet(); - animatorSet.playTogether(childAnimators); - animatorSet.setDuration(ANIM_TIME_MS); - animatorSet.setInterpolator(ANIM_INTERPOLATOR); - animatorSet.start(); - - // Set the starting position of the child views - because we are delaying the start - // of the animation, we need to prevent the items being drawn in their final position - // prior to the animation starting - for (int x = 1, i = (removedPosition - firstPosition) + 1; i < childCount; i++, x++) { - final View child = getChildAt(i); - - final PointF targetLocation = tabLocations.get(x + 1); - if (targetLocation == null) { - continue; - } - - child.setX(targetLocation.x); - child.setY(targetLocation.y); - } - - return true; - } - }); - } - - - private void animateCancel(final View view) { - PropertyAnimator animator = new PropertyAnimator(ANIM_TIME_MS); - animator.attach(view, PropertyAnimator.Property.ALPHA, 1); - animator.attach(view, PropertyAnimator.Property.TRANSLATION_X, 0); - - animator.addPropertyAnimationListener(new PropertyAnimator.PropertyAnimationListener() { - @Override - public void onPropertyAnimationStart() { - } - - @Override - public void onPropertyAnimationEnd() { - TabsLayoutItemView tab = (TabsLayoutItemView) view; - tab.setCloseVisible(true); - } - }); - - animator.start(); - } - - private class TabsGridLayoutAdapter extends TabsLayoutAdapter { - - final private Button.OnClickListener mCloseClickListener; - - public TabsGridLayoutAdapter(Context context) { - super(context, R.layout.tabs_layout_item_view); - - mCloseClickListener = new Button.OnClickListener() { - @Override - public void onClick(View v) { - closeTab(v); - } - }; - } - - @Override - TabsLayoutItemView newView(int position, ViewGroup parent) { - final TabsLayoutItemView item = super.newView(position, parent); - - item.setCloseOnClickListener(mCloseClickListener); - ((ThemedRelativeLayout) item.findViewById(R.id.wrapper)).setPrivateMode(isPrivate); - - return item; - } - - @Override - public void bindView(TabsLayoutItemView view, Tab tab) { - super.bindView(view, tab); - - // If we're recycling this view, there's a chance it was transformed during - // the close animation. Remove any of those properties. - resetTransforms(view); - } - } - - private class TabSwipeGestureListener implements View.OnTouchListener { - // same value the stock browser uses for after drag animation velocity in pixels/sec - // http://androidxref.com/4.0.4/xref/packages/apps/Browser/src/com/android/browser/NavTabScroller.java#61 - private static final float MIN_VELOCITY = 750; - - private final int mSwipeThreshold; - private final int mMinFlingVelocity; - - private final int mMaxFlingVelocity; - private VelocityTracker mVelocityTracker; - - private int mTabWidth = 1; - - private View mSwipeView; - private Runnable mPendingCheckForTap; - - private float mSwipeStartX; - private boolean mSwiping; - private boolean mEnabled; - - public TabSwipeGestureListener() { - mEnabled = true; - - ViewConfiguration vc = ViewConfiguration.get(TabsGridLayout.this.getContext()); - mSwipeThreshold = vc.getScaledTouchSlop(); - mMinFlingVelocity = (int) (TabsGridLayout.this.getContext().getResources().getDisplayMetrics().density * MIN_VELOCITY); - mMaxFlingVelocity = vc.getScaledMaximumFlingVelocity(); - } - - public void setEnabled(boolean enabled) { - mEnabled = enabled; - } - - public OnScrollListener makeScrollListener() { - return new OnScrollListener() { - @Override - public void onScrollStateChanged(AbsListView view, int scrollState) { - setEnabled(scrollState != GridView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL); - } - - @Override - public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { - - } - }; - } - - @Override - public boolean onTouch(View view, MotionEvent e) { - if (!mEnabled) { - return false; - } - - switch (e.getActionMasked()) { - case MotionEvent.ACTION_DOWN: { - // Check if we should set pressed state on the - // touched view after a standard delay. - triggerCheckForTap(); - - final float x = e.getRawX(); - final float y = e.getRawY(); - - // Find out which view is being touched - mSwipeView = findViewAt(x, y); - - if (mSwipeView != null) { - if (mTabWidth < 2) { - mTabWidth = mSwipeView.getWidth(); - } - - mSwipeStartX = e.getRawX(); - - mVelocityTracker = VelocityTracker.obtain(); - mVelocityTracker.addMovement(e); - } - - view.onTouchEvent(e); - return true; - } - - case MotionEvent.ACTION_UP: { - if (mSwipeView == null) { - break; - } - - cancelCheckForTap(); - mSwipeView.setPressed(false); - - if (!mSwiping) { - final TabsLayoutItemView item = (TabsLayoutItemView) mSwipeView; - final int tabId = item.getTabId(); - final Tab tab = Tabs.getInstance().selectTab(tabId); - if (tab != null) { - autoHidePanel(); - Tabs.getInstance().notifyListeners(tab, Tabs.TabEvents.OPENED_FROM_TABS_TRAY); - } - - mVelocityTracker.recycle(); - mVelocityTracker = null; - break; - } - - mVelocityTracker.addMovement(e); - mVelocityTracker.computeCurrentVelocity(1000, mMaxFlingVelocity); - - float velocityX = Math.abs(mVelocityTracker.getXVelocity()); - - boolean dismiss = false; - - float deltaX = mSwipeView.getTranslationX(); - - if (Math.abs(deltaX) > mTabWidth / 2) { - dismiss = true; - } else if (mMinFlingVelocity <= velocityX && velocityX <= mMaxFlingVelocity) { - dismiss = mSwiping && (deltaX * mVelocityTracker.getYVelocity() > 0); - } - if (dismiss) { - closeTab(mSwipeView.findViewById(R.id.close)); - } else { - animateCancel(mSwipeView); - } - mVelocityTracker.recycle(); - mVelocityTracker = null; - mSwipeView = null; - - mSwipeStartX = 0; - mSwiping = false; - } - - case MotionEvent.ACTION_MOVE: { - if (mSwipeView == null || mVelocityTracker == null) { - break; - } - - mVelocityTracker.addMovement(e); - - float delta = e.getRawX() - mSwipeStartX; - - boolean isScrollingX = Math.abs(delta) > mSwipeThreshold; - boolean isSwipingToClose = isScrollingX; - - // If we're actually swiping, make sure we don't - // set pressed state on the swiped view. - if (isScrollingX) { - cancelCheckForTap(); - } - - if (isSwipingToClose) { - mSwiping = true; - TabsGridLayout.this.requestDisallowInterceptTouchEvent(true); - - ((TabsLayoutItemView) mSwipeView).setCloseVisible(false); - - // Stops listview from highlighting the touched item - // in the list when swiping. - MotionEvent cancelEvent = MotionEvent.obtain(e); - cancelEvent.setAction(MotionEvent.ACTION_CANCEL | - (e.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT)); - TabsGridLayout.this.onTouchEvent(cancelEvent); - cancelEvent.recycle(); - } - - if (mSwiping) { - mSwipeView.setTranslationX(delta); - - mSwipeView.setAlpha(Math.min(1f, 1f - 2f * Math.abs(delta) / mTabWidth)); - - return true; - } - - break; - } - } - return false; - } - - private View findViewAt(float rawX, float rawY) { - Rect rect = new Rect(); - - int[] listViewCoords = new int[2]; - TabsGridLayout.this.getLocationOnScreen(listViewCoords); - - int x = (int) rawX - listViewCoords[0]; - int y = (int) rawY - listViewCoords[1]; - - for (int i = 0; i < TabsGridLayout.this.getChildCount(); i++) { - View child = TabsGridLayout.this.getChildAt(i); - child.getHitRect(rect); - - if (rect.contains(x, y)) { - return child; - } - } - - return null; - } - - private void triggerCheckForTap() { - if (mPendingCheckForTap == null) { - mPendingCheckForTap = new CheckForTap(); - } - - TabsGridLayout.this.postDelayed(mPendingCheckForTap, ViewConfiguration.getTapTimeout()); - } - - private void cancelCheckForTap() { - if (mPendingCheckForTap == null) { - return; - } - - TabsGridLayout.this.removeCallbacks(mPendingCheckForTap); - } - - private class CheckForTap implements Runnable { - @Override - public void run() { - if (!mSwiping && mSwipeView != null && mEnabled) { - mSwipeView.setPressed(true); - } - } - } - } -} |