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| 1 // Copyright (c) 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. |
| 4 |
| 5 #include "ash/wm/screen_dimmer.h" |
| 6 |
| 7 #include "ash/shell.h" |
| 8 #include "ash/test/ash_test_base.h" |
| 9 #include "base/basictypes.h" |
| 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "ui/aura/root_window.h" |
| 12 #include "ui/gfx/compositor/layer.h" |
| 13 |
| 14 namespace ash { |
| 15 namespace test { |
| 16 |
| 17 class ScreenDimmerTest : public AshTestBase { |
| 18 public: |
| 19 ScreenDimmerTest() : dimmer_(NULL) {} |
| 20 virtual ~ScreenDimmerTest() {} |
| 21 |
| 22 void SetUp() OVERRIDE { |
| 23 AshTestBase::SetUp(); |
| 24 dimmer_ = Shell::GetInstance()->screen_dimmer(); |
| 25 test_api_.reset(new internal::ScreenDimmer::TestApi(dimmer_)); |
| 26 } |
| 27 |
| 28 protected: |
| 29 internal::ScreenDimmer* dimmer_; // not owned |
| 30 |
| 31 scoped_ptr<internal::ScreenDimmer::TestApi> test_api_; |
| 32 |
| 33 private: |
| 34 DISALLOW_COPY_AND_ASSIGN(ScreenDimmerTest); |
| 35 }; |
| 36 |
| 37 TEST_F(ScreenDimmerTest, DimAndUndim) { |
| 38 // Don't create a layer until we need to. |
| 39 EXPECT_TRUE(test_api_->layer() == NULL); |
| 40 dimmer_->SetDimming(false); |
| 41 EXPECT_TRUE(test_api_->layer() == NULL); |
| 42 |
| 43 // When we enable dimming, the layer should be created and stacked at the top |
| 44 // of the root's children. |
| 45 dimmer_->SetDimming(true); |
| 46 ASSERT_TRUE(test_api_->layer() != NULL); |
| 47 ui::Layer* root_layer = Shell::GetInstance()->GetRootWindow()->layer(); |
| 48 ASSERT_TRUE(!root_layer->children().empty()); |
| 49 EXPECT_EQ(test_api_->layer(), root_layer->children().back()); |
| 50 EXPECT_TRUE(test_api_->layer()->visible()); |
| 51 EXPECT_GT(test_api_->layer()->GetTargetOpacity(), 0.0f); |
| 52 |
| 53 // When we disable dimming, the layer should be animated back to full |
| 54 // transparency. |
| 55 dimmer_->SetDimming(false); |
| 56 ASSERT_TRUE(test_api_->layer() != NULL); |
| 57 EXPECT_TRUE(test_api_->layer()->visible()); |
| 58 EXPECT_FLOAT_EQ(0.0f, test_api_->layer()->GetTargetOpacity()); |
| 59 } |
| 60 |
| 61 TEST_F(ScreenDimmerTest, ResizeLayer) { |
| 62 // The dimming layer should be initially sized to cover the root window. |
| 63 dimmer_->SetDimming(true); |
| 64 ui::Layer* dimming_layer = test_api_->layer(); |
| 65 ASSERT_TRUE(dimming_layer != NULL); |
| 66 ui::Layer* root_layer = Shell::GetInstance()->GetRootWindow()->layer(); |
| 67 EXPECT_EQ(gfx::Rect(root_layer->bounds().size()).ToString(), |
| 68 dimming_layer->bounds().ToString()); |
| 69 |
| 70 // When we resize the root window, the dimming layer should be resized to |
| 71 // match. |
| 72 gfx::Size kNewSize(400, 300); |
| 73 Shell::GetInstance()->GetRootWindow()->SetHostSize(kNewSize); |
| 74 EXPECT_EQ(kNewSize.ToString(), dimming_layer->bounds().size().ToString()); |
| 75 } |
| 76 |
| 77 } // namespace test |
| 78 } // namespace ash |
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