| // Copyright 2012 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. |
| |
| #include "chrome/browser/ui/search/instant_overlay_model.h" |
| |
| #include "chrome/browser/ui/search/instant_controller.h" |
| #include "chrome/browser/ui/search/instant_overlay_model_observer.h" |
| |
| InstantOverlayModel::InstantOverlayModel(InstantController* controller) |
| : height_(0), |
| height_units_(INSTANT_SIZE_PIXELS), |
| overlay_contents_(NULL), |
| controller_(controller) { |
| } |
| |
| InstantOverlayModel::~InstantOverlayModel() { |
| } |
| |
| void InstantOverlayModel::SetOverlayState(const SearchMode& mode, |
| int height, |
| InstantSizeUnits height_units) { |
| if (mode_.mode == mode.mode && height_ == height && |
| height_units_ == height_units) { |
| // Mode::mode hasn't changed, but perhaps bits that we ignore (such as |
| // Mode::origin) have. Update |mode_| anyway, so it's consistent with the |
| // argument (so mode() doesn't return something unexpected). |
| mode_ = mode; |
| return; |
| } |
| |
| DVLOG(1) << "SetOverlayState: " << mode_.mode << " to " << mode.mode; |
| mode_ = mode; |
| height_ = height; |
| height_units_ = height_units; |
| |
| FOR_EACH_OBSERVER(InstantOverlayModelObserver, observers_, |
| OverlayStateChanged(*this)); |
| } |
| |
| void InstantOverlayModel::SetOverlayContents( |
| content::WebContents* overlay_contents) { |
| if (overlay_contents_ == overlay_contents) |
| return; |
| |
| overlay_contents_ = overlay_contents; |
| |
| FOR_EACH_OBSERVER(InstantOverlayModelObserver, observers_, |
| OverlayStateChanged(*this)); |
| } |
| |
| content::WebContents* InstantOverlayModel::GetOverlayContents() const { |
| return overlay_contents_; |
| } |
| |
| void InstantOverlayModel::AddObserver(InstantOverlayModelObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void InstantOverlayModel::RemoveObserver( |
| InstantOverlayModelObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |