// Copyright 2015 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.compositor.layouts.phone.stack;
import static org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.AnimatableAnimation.addAnimation;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.MAX_CONTENT_HEIGHT;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.SATURATION;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.SIDE_BORDER_SCALE;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.TILTX;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.TOOLBAR_ALPHA;
import static org.chromium.chrome.browser.compositor.layouts.components.LayoutTab.Property.TOOLBAR_Y_OFFSET;
import static org.chromium.chrome.browser.compositor.layouts.phone.stack.StackTab.Property.DISCARD_AMOUNT;
import static org.chromium.chrome.browser.compositor.layouts.phone.stack.StackTab.Property.SCALE;
import static org.chromium.chrome.browser.compositor.layouts.phone.stack.StackTab.Property.SCROLL_OFFSET;
import static org.chromium.chrome.browser.compositor.layouts.phone.stack.StackTab.Property.Y_IN_STACK_INFLUENCE;
import static org.chromium.chrome.browser.compositor.layouts.phone.stack.StackTab.Property.Y_IN_STACK_OFFSET;
import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation;
import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.Animatable;
import org.chromium.chrome.browser.compositor.layouts.components.LayoutTab;
import org.chromium.chrome.browser.util.MathUtils;
import org.chromium.ui.base.LocalizationUtils;
class StackAnimationPortrait extends StackAnimation {
/**
* Only Constructor.
*/
public StackAnimationPortrait(float width, float height, float heightMinusTopControls,
float borderFramePaddingTop, float borderFramePaddingTopOpaque,
float borderFramePaddingLeft) {
super(width, height, heightMinusTopControls, borderFramePaddingTop,
borderFramePaddingTopOpaque, borderFramePaddingLeft);
}
@Override
protected ChromeAnimation<?> createEnterStackAnimatorSet(
StackTab[] tabs, int focusIndex, int spacing, float warpSize) {
ChromeAnimation<Animatable<?>> set = new ChromeAnimation<Animatable<?>>();
final float initialScrollOffset = StackTab.screenToScroll(0, warpSize);
float trailingScrollOffset = 0.f;
if (focusIndex >= 0 && focusIndex < tabs.length - 1) {
final float focusOffset = tabs[focusIndex].getScrollOffset();
final float nextOffset = tabs[focusIndex + 1].getScrollOffset();
final float topSpacing = focusIndex == 0 ? spacing : 0.f;
final float extraSpace = tabs[focusIndex].getLayoutTab().getScaledContentHeight()
* ENTER_STACK_SIZE_RATIO;
trailingScrollOffset = Math.max(focusOffset - nextOffset + topSpacing + extraSpace, 0);
}
for (int i = 0; i < tabs.length; ++i) {
StackTab tab = tabs[i];
tab.resetOffset();
tab.setScale(SCALE_AMOUNT);
tab.setAlpha(1.f);
tab.getLayoutTab().setToolbarAlpha(0.f);
tab.getLayoutTab().setBorderScale(1.f);
float scrollOffset = StackTab.screenToScroll(i * spacing, warpSize);
if (i < focusIndex) {
tab.getLayoutTab().setMaxContentHeight(mHeightMinusTopControls);
addAnimation(set, tab, SCROLL_OFFSET, initialScrollOffset, scrollOffset,
ENTER_STACK_ANIMATION_DURATION, 0);
} else if (i > focusIndex) {
tab.getLayoutTab().setMaxContentHeight(mHeightMinusTopControls);
tab.setScrollOffset(scrollOffset + trailingScrollOffset);
addAnimation(
set, tab, Y_IN_STACK_OFFSET, mHeight, 0, ENTER_STACK_ANIMATION_DURATION, 0);
} else {
tab.setScrollOffset(scrollOffset);
addAnimation(set, tab.getLayoutTab(), MAX_CONTENT_HEIGHT,
tab.getLayoutTab().getUnclampedOriginalContentHeight(),
mHeightMinusTopControls, ENTER_STACK_ANIMATION_DURATION,
ENTER_STACK_RESIZE_DELAY);
addAnimation(set, tab, Y_IN_STACK_INFLUENCE, 0.0f, 1.0f,
ENTER_STACK_BORDER_ALPHA_DURATION, 0);
addAnimation(
set, tab, SCALE, 1.0f, SCALE_AMOUNT, ENTER_STACK_BORDER_ALPHA_DURATION, 0);
addAnimation(set, tab.getLayoutTab(), TOOLBAR_ALPHA, 1.f, 0.f,
ENTER_STACK_BORDER_ALPHA_DURATION, ENTER_STACK_TOOLBAR_ALPHA_DELAY);
addAnimation(set, tab.getLayoutTab(), TOOLBAR_Y_OFFSET, 0.f,
getToolbarOffsetToLineUpWithBorder(), ENTER_STACK_BORDER_ALPHA_DURATION,
TAB_FOCUSED_TOOLBAR_ALPHA_DELAY);
addAnimation(set, tab.getLayoutTab(), SIDE_BORDER_SCALE, 0.f, 1.f,
ENTER_STACK_BORDER_ALPHA_DURATION, TAB_FOCUSED_TOOLBAR_ALPHA_DELAY);
tab.setYOutOfStack(mHeight - mHeightMinusTopControls - mBorderTopHeight);
}
}
return set;
}
@Override
protected ChromeAnimation<?> createTabFocusedAnimatorSet(
StackTab[] tabs, int focusIndex, int spacing, float warpSize) {
ChromeAnimation<Animatable<?>> set = new ChromeAnimation<Animatable<?>>();
for (int i = 0; i < tabs.length; ++i) {
StackTab tab = tabs[i];
LayoutTab layoutTab = tab.getLayoutTab();
addTiltScrollAnimation(set, layoutTab, 0.0f, TAB_FOCUSED_ANIMATION_DURATION, 0);
addAnimation(set, tab, DISCARD_AMOUNT, tab.getDiscardAmount(), 0.0f,
TAB_FOCUSED_ANIMATION_DURATION, 0);
if (i < focusIndex) {
// For tabs above the focused tab move them up to 0.
addAnimation(set, tab, SCROLL_OFFSET, tab.getScrollOffset(),
tab.getScrollOffset() - mHeight - spacing, TAB_FOCUSED_ANIMATION_DURATION,
0);
} else if (i > focusIndex) {
// We also need to animate the Y Translation to move them down
// off the screen.
float coveringTabPosition = layoutTab.getY();
float distanceToBorder = MathUtils.clamp(mHeight - coveringTabPosition, 0, mHeight);
float delay = TAB_FOCUSED_MAX_DELAY * distanceToBorder / mHeight;
addAnimation(set, tab, Y_IN_STACK_OFFSET, tab.getYInStackOffset(),
tab.getYInStackOffset() + mHeight,
(TAB_FOCUSED_ANIMATION_DURATION - (long) delay), (long) delay);
} else {
// This is the focused tab. We need to scale it back to
// 1.0f, move it to the top of the screen, and animate the
// YTranslation so that it looks like it is zooming into the
// full screen view.
tab.setXOutOfStack(0.0f);
tab.setYOutOfStack(0.0f);
layoutTab.setBorderScale(1.f);
addAnimation(set, tab, SCROLL_OFFSET, tab.getScrollOffset(),
Math.max(0.0f, tab.getScrollOffset() - mWidth - spacing),
TAB_FOCUSED_ANIMATION_DURATION, 0);
addAnimation(
set, tab, SCALE, tab.getScale(), 1.0f, TAB_FOCUSED_ANIMATION_DURATION, 0);
addAnimation(set, tab, Y_IN_STACK_INFLUENCE, tab.getYInStackInfluence(), 0.0f,
TAB_FOCUSED_Y_STACK_DURATION, 0);
addAnimation(set, tab.getLayoutTab(), MAX_CONTENT_HEIGHT,
tab.getLayoutTab().getMaxContentHeight(),
tab.getLayoutTab().getUnclampedOriginalContentHeight(),
TAB_FOCUSED_ANIMATION_DURATION, 0);
tab.setYOutOfStack(mHeight - mHeightMinusTopControls - mBorderTopHeight);
if (layoutTab.shouldStall()) {
addAnimation(set, layoutTab, SATURATION, 1.0f, 0.0f,
TAB_FOCUSED_BORDER_ALPHA_DURATION, TAB_FOCUSED_BORDER_ALPHA_DELAY);
}
addAnimation(set, tab.getLayoutTab(), TOOLBAR_ALPHA, layoutTab.getToolbarAlpha(),
1.f, TAB_FOCUSED_TOOLBAR_ALPHA_DURATION, TAB_FOCUSED_TOOLBAR_ALPHA_DELAY);
addAnimation(set, tab.getLayoutTab(), TOOLBAR_Y_OFFSET,
getToolbarOffsetToLineUpWithBorder(), 0.f,
TAB_FOCUSED_TOOLBAR_ALPHA_DURATION, TAB_FOCUSED_TOOLBAR_ALPHA_DELAY);
addAnimation(set, tab.getLayoutTab(), SIDE_BORDER_SCALE, 1.f, 0.f,
TAB_FOCUSED_TOOLBAR_ALPHA_DURATION, TAB_FOCUSED_TOOLBAR_ALPHA_DELAY);
}
}
return set;
}
@Override
protected ChromeAnimation<?> createViewMoreAnimatorSet(StackTab[] tabs, int selectedIndex) {
ChromeAnimation<Animatable<?>> set = new ChromeAnimation<Animatable<?>>();
if (selectedIndex + 1 >= tabs.length) return set;
float offset = tabs[selectedIndex].getScrollOffset()
- tabs[selectedIndex + 1].getScrollOffset()
+ (tabs[selectedIndex].getLayoutTab().getScaledContentHeight()
* VIEW_MORE_SIZE_RATIO);
offset = Math.max(VIEW_MORE_MIN_SIZE, offset);
for (int i = selectedIndex + 1; i < tabs.length; ++i) {
addAnimation(set, tabs[i], SCROLL_OFFSET, tabs[i].getScrollOffset(),
tabs[i].getScrollOffset() + offset, VIEW_MORE_ANIMATION_DURATION, 0);
}
return set;
}
@Override
protected ChromeAnimation<?> createReachTopAnimatorSet(StackTab[] tabs, float warpSize) {
ChromeAnimation<Animatable<?>> set = new ChromeAnimation<Animatable<?>>();
float screenTarget = 0.0f;
for (int i = 0; i < tabs.length; ++i) {
if (screenTarget >= tabs[i].getLayoutTab().getY()) {
break;
}
addAnimation(set, tabs[i], SCROLL_OFFSET, tabs[i].getScrollOffset(),
StackTab.screenToScroll(screenTarget, warpSize), REACH_TOP_ANIMATION_DURATION,
0);
screenTarget += tabs[i].getLayoutTab().getScaledContentHeight();
}
return set;
}
@Override
protected ChromeAnimation<?> createNewTabOpenedAnimatorSet(
StackTab[] tabs, int focusIndex, float discardRange) {
return super.createNewTabOpenedAnimatorSet(tabs, focusIndex, -discardRange);
}
@Override
protected boolean isDefaultDiscardDirectionPositive() {
// On clicking the close button, discard the tab to the right on LTR, to the left on RTL.
return !LocalizationUtils.isLayoutRtl();
}
@Override
protected float getScreenPositionInScrollDirection(StackTab tab) {
return tab.getLayoutTab().getY();
}
@Override
protected void addTiltScrollAnimation(ChromeAnimation<Animatable<?>> set, LayoutTab tab,
float end, int duration, int startTime) {
addAnimation(set, tab, TILTX, tab.getTiltX(), end, duration, startTime);
}
@Override
protected float getScreenSizeInScrollDirection() {
return mHeight;
}
@Override
protected int getTabCreationDirection() {
return -1;
}
}