blob: 997bacb5eb3717f739a4b2df07868a88f05843fc [file] [log] [blame]
// Copyright 2017 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.
#import "ios/chrome/browser/ui/fullscreen/test/fullscreen_model_test_util.h"
#import "ios/chrome/browser/ui/fullscreen/fullscreen_model.h"
#include "testing/gtest/include/gtest/gtest.h"
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
void SetUpFullscreenModelForTesting(FullscreenModel* model,
CGFloat toolbar_height) {
EXPECT_GE(toolbar_height, 0.0);
model->SetToolbarHeight(toolbar_height);
model->SetScrollViewHeight(2 * toolbar_height);
model->SetContentHeight(2 * model->GetScrollViewHeight());
model->ResetForNavigation();
model->SetYContentOffset(0.0);
}
void SimulateFullscreenUserScrollWithDelta(FullscreenModel* model,
CGFloat offset_delta) {
model->SetScrollViewIsDragging(true);
model->SetScrollViewIsScrolling(true);
model->SetYContentOffset(model->GetYContentOffset() + offset_delta);
model->SetScrollViewIsDragging(false);
model->SetScrollViewIsScrolling(false);
}
void SimulateFullscreenUserScrollForProgress(FullscreenModel* model,
CGFloat progress) {
ASSERT_GE(progress, 0.0);
ASSERT_LE(progress, 1.0);
CGFloat toolbar_height = model->GetToolbarHeight();
CGFloat base_offset =
GetFullscreenBaseOffsetForProgress(model, model->progress());
CGFloat final_y_content_offset =
base_offset + (1.0 - progress) * toolbar_height;
CGFloat delta = final_y_content_offset - model->GetYContentOffset();
SimulateFullscreenUserScrollWithDelta(model, delta);
}
CGFloat GetFullscreenBaseOffsetForProgress(FullscreenModel* model,
CGFloat progress) {
EXPECT_TRUE(model->has_base_offset());
return model->GetYContentOffset() -
(1.0 - progress) * model->GetToolbarHeight();
}