Popular sites on the NTP: check that experiment group StartsWith (rather than IS...
[chromium-blink-merge.git] / chrome / browser / ui / cocoa / tab_contents / instant_overlay_controller_mac.mm
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1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/ui/cocoa/tab_contents/instant_overlay_controller_mac.h"
7 #import "chrome/browser/ui/cocoa/tab_contents/overlayable_contents_controller.h"
8 #include "chrome/browser/ui/search/instant_overlay_model.h"
10 InstantOverlayControllerMac::InstantOverlayControllerMac(
11     Browser* browser,
12     OverlayableContentsController* overlay)
13     : InstantOverlayController(browser),
14       overlay_(overlay) {
17 InstantOverlayControllerMac::~InstantOverlayControllerMac() {
20 void InstantOverlayControllerMac::OverlayStateChanged(
21     const InstantOverlayModel& model) {
22   if (model.mode().is_ntp() || model.mode().is_search_suggestions()) {
23     // Drop shadow is only needed if search mode is not |NTP| and overlay does
24     // not fill up the entire contents page.
25     BOOL drawDropShadow = !model.mode().is_ntp() &&
26         !(model.height() == 100 &&
27           model.height_units() == INSTANT_SIZE_PERCENT);
28     [overlay_ setOverlay:model.GetOverlayContents()
29                   height:model.height()
30              heightUnits:model.height_units()
31           drawDropShadow:drawDropShadow];
32   } else if ([overlay_ isShowingOverlay]) {
33     [overlay_ setOverlay:NULL
34                   height:0
35              heightUnits:INSTANT_SIZE_PIXELS
36           drawDropShadow:NO];
37   }