/** Create a new OverlayPanelContent object. This can be overridden for tests. */
public OverlayPanelContent createNewOverlayPanelContent() {
OverlayPanelContent overlayPanelContent =
new OverlayPanelContent(
mManagementDelegate.getOverlayContentDelegate(),
new PanelProgressObserver(),
mActivity);
// Adds a ContentViewClient to override the default fullscreen size.
if (!isFullscreenSizePanel()) {
overlayPanelContent.setContentViewClient(
new ContentViewClient() {
@Override
public int getDesiredWidthMeasureSpec() {
return MeasureSpec.makeMeasureSpec(
getSearchContentViewWidthPx(), MeasureSpec.EXACTLY);
}
@Override
public int getDesiredHeightMeasureSpec() {
return MeasureSpec.makeMeasureSpec(
getSearchContentViewHeightPx(), MeasureSpec.EXACTLY);
}
});
}
return overlayPanelContent;
}
@Override
public void updateTopControlState() {
if (mOverlayPanelContent == null) return;
if (isFullscreenSizePanel()) {
// Consider the ContentView height to be fullscreen, and inform the system that
// the Toolbar is always visible (from the Compositor's perspective), even though
// the Toolbar and Base Page might be offset outside the screen. This means the
// renderer will consider the ContentView height to be the fullscreen height
// minus the Toolbar height.
//
// This is necessary to fix the bugs: crbug.com/510205 and crbug.com/510206
mOverlayPanelContent.updateTopControlsState(false, true, false);
} else {
mOverlayPanelContent.updateTopControlsState(true, false, false);
}
}
@Override
protected void onClose(StateChangeReason reason) {
destroySearchBarControl();
destroyPeekPromoControl();
if (mOverlayPanelContent != null) {
mOverlayPanelContent.destroyContentView();
}
mManagementDelegate.onCloseContextualSearch(reason);
}
/**
* Handles the movement of the swipe gesture.
*
* @param ty The movement's total displacement in dps.
*/
public void handleSwipeMove(float ty) {
if (ty > 0 && getPanelState() == PanelState.MAXIMIZED) {
// Resets the Search Content View scroll position when swiping the Panel down
// after being maximized.
mOverlayPanelContent.resetContentViewScroll();
}
// Negative ty value means an upward movement so subtracting ty means expanding the panel.
setClampedPanelHeight(mInitialPanelHeight - ty);
requestUpdate();
}
/** Destroy the native components associated with this panel's content. */
public void destroy() {
// It is possible that an OverlayPanelContent was never created for this panel.
if (mOverlayPanelContent != null) {
mOverlayPanelContent.destroy();
}
}
@Override
public void removeLastHistoryEntry(String historyUrl, long urlTimeMs) {
if (mOverlayPanelContent == null) return;
// Expose OverlayPanelContent method.
mOverlayPanelContent.removeLastHistoryEntry(historyUrl, urlTimeMs);
}
@Override
public ContentViewCore getContentViewCore() {
// Expose OverlayPanelContent method.
return mOverlayPanelContent != null ? mOverlayPanelContent.getContentViewCore() : null;
}
@Override
public boolean didLoadAnyUrl() {
return mOverlayPanelContent != null && mOverlayPanelContent.didLoadAnyUrl();
}
@Override
public boolean isContentViewShowing() {
return mOverlayPanelContent != null && mOverlayPanelContent.isContentViewShowing();
}
/** @return The vertical scroll position of the content. */
public float getSearchContentViewVerticalScroll() {
return mOverlayPanelContent.getContentViewVerticalScroll();
}