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// Copyright 2016 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 "base/mac/scoped_nsobject.h"
#include "chrome/browser/ui/cocoa/fullscreen_low_power_coordinator.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accelerated_widget_mac/accelerated_widget_mac.h"
namespace {
const uint64_t kNotEnoughFrames = 5;
const uint64_t kEnoughFrames = 20;
class FullscreenLowPowerTest : public testing::Test,
public ui::AcceleratedWidgetMacNSView {
public:
// ui::AcceleratedWidgetMacNSView implementation.
NSView* AcceleratedWidgetGetNSView() const override { return view_.get(); }
void AcceleratedWidgetGetVSyncParameters(
base::TimeTicks* timebase,
base::TimeDelta* interval) const override {}
void AcceleratedWidgetSwapCompleted() override {}
// testing::Test implementation.
void SetUp() override {
base::scoped_nsobject<CALayer> background_layer([[CALayer alloc] init]);
view_.reset([[NSView alloc] initWithFrame:NSMakeRect(0, 0, 1, 1)]);
[view_ setLayer:background_layer.get()];
[view_ setWantsLayer:YES];
content_window_.reset([[NSWindow alloc]
initWithContentRect:NSMakeRect(0, 0, 256, 256)
styleMask:NSTitledWindowMask | NSResizableWindowMask
backing:NSBackingStoreBuffered
defer:NO]);
[content_window_ setReleasedWhenClosed:NO];
[content_window_ orderFront:nil];
widget_.reset(new ui::AcceleratedWidgetMac);
RecreateLayers();
widget_->SetNSView(this);
// Initialize. Note that we need to send at least one frame before creating
// the coordinator.
SendFrames(1, true);
coordinator_.reset(new FullscreenLowPowerCoordinatorCocoa(
content_window_.get(), widget_.get()));
}
void TearDown() override {
widget_->ResetNSView();
[content_window_ close];
}
void RecreateLayers() {
content_layer_.reset([[CALayer alloc] init]);
low_power_layer_.reset([[CALayer alloc] init]);
}
void SendFrames(int count, bool low_power_valid) {
for (int i = 0; i < count; ++i)
widget_->GotCALayerFrame(content_layer_, low_power_valid,
low_power_layer_, gfx::Size(1, 1), 1);
}
bool DoesTransitionToLowPowerMode() {
if (IsInLowPowerMode())
return false;
for (int i = 0; i < 20; ++i)
coordinator_->TickEnterOrExitForTesting();
return IsInLowPowerMode();
}
bool IsInLowPowerMode() {
// Return true if the fullscreen low power window is in front of the content
// window.
for (NSWindow* window in [NSApp orderedWindows]) {
if (window == content_window_.get())
return false;
if (window == coordinator_->GetFullscreenLowPowerWindow())
return true;
}
return false;
}
std::unique_ptr<ui::AcceleratedWidgetMac> widget_;
base::scoped_nsobject<NSView> view_;
base::scoped_nsobject<NSWindow> content_window_;
base::scoped_nsobject<CALayer> content_layer_;
base::scoped_nsobject<CALayer> low_power_layer_;
std::unique_ptr<FullscreenLowPowerCoordinatorCocoa> coordinator_;
};
TEST_F(FullscreenLowPowerTest, DestroyOrder) {
widget_->ResetNSView();
coordinator_.reset();
widget_->SetNSView(this);
// Verify that the coordinator can be destroyed while attached to the widget.
EXPECT_FALSE(widget_->MightBeInFullscreenLowPowerMode());
coordinator_.reset(new FullscreenLowPowerCoordinatorCocoa(
content_window_.get(), widget_.get()));
EXPECT_TRUE(widget_->MightBeInFullscreenLowPowerMode());
coordinator_.reset();
EXPECT_FALSE(widget_->MightBeInFullscreenLowPowerMode());
// Verify that the widget can be destroyed while the coordinator exists.
coordinator_.reset(new FullscreenLowPowerCoordinatorCocoa(
content_window_.get(), widget_.get()));
EXPECT_TRUE(widget_->MightBeInFullscreenLowPowerMode());
widget_->ResetNSView();
coordinator_.reset();
}
TEST_F(FullscreenLowPowerTest, TransitionAndHysteresis) {
// Ensure that we can't enter low power mode until we finish the fullscreen
// transition.
EXPECT_FALSE(IsInLowPowerMode());
SendFrames(kEnoughFrames, true);
EXPECT_FALSE(IsInLowPowerMode());
coordinator_->SetInFullscreenTransition(false);
EXPECT_TRUE(DoesTransitionToLowPowerMode());
coordinator_->SetInFullscreenTransition(true);
EXPECT_FALSE(IsInLowPowerMode());
// Verify hysteresis.
coordinator_->SetInFullscreenTransition(false);
EXPECT_TRUE(DoesTransitionToLowPowerMode());
SendFrames(1, false);
EXPECT_FALSE(IsInLowPowerMode());
SendFrames(kNotEnoughFrames, true);
EXPECT_FALSE(DoesTransitionToLowPowerMode());
SendFrames(kEnoughFrames, true);
EXPECT_TRUE(IsInLowPowerMode());
}
TEST_F(FullscreenLowPowerTest, Layout) {
SendFrames(kEnoughFrames, true);
coordinator_->SetInFullscreenTransition(false);
EXPECT_TRUE(DoesTransitionToLowPowerMode());
NSRect screen_frame = [[content_window_ screen] frame];
// Test a valid layout first (and again after each invalid layout).
auto set_valid_layout = [this, screen_frame]{
coordinator_->SetLayoutParameters(
NSMakeRect(0, screen_frame.size.height, 10, 10),
NSMakeRect(0, screen_frame.size.height, 10, 10),
screen_frame,
NSMakeRect(0, 0, 20, 0));
};
set_valid_layout();
EXPECT_TRUE(IsInLowPowerMode());
// Invalid layout -- toolbar visible.
coordinator_->SetLayoutParameters(
NSMakeRect(0, screen_frame.size.height - 5, 10, 10),
NSMakeRect(0, screen_frame.size.height, 10, 10),
screen_frame,
NSMakeRect(0, 0, 20, 0));
EXPECT_FALSE(IsInLowPowerMode());
set_valid_layout();
EXPECT_TRUE(DoesTransitionToLowPowerMode());
// Invalid layout -- infobar visible.
coordinator_->SetLayoutParameters(
NSMakeRect(0, screen_frame.size.height, 10, 10),
NSMakeRect(0, screen_frame.size.height - 5, 10, 10),
screen_frame,
NSMakeRect(0, 0, 20, 0));
EXPECT_FALSE(IsInLowPowerMode());
set_valid_layout();
EXPECT_TRUE(DoesTransitionToLowPowerMode());
// Invalid layout -- not fullscreen.
coordinator_->SetLayoutParameters(
NSMakeRect(0, screen_frame.size.height, 10, 10),
NSMakeRect(0, screen_frame.size.height, 10, 10),
NSMakeRect(screen_frame.origin.x, screen_frame.origin.y,
screen_frame.size.width, screen_frame.size.height / 2),
NSMakeRect(0, 0, 20, 0));
EXPECT_FALSE(IsInLowPowerMode());
set_valid_layout();
EXPECT_TRUE(DoesTransitionToLowPowerMode());
// Invalid layout -- download shelf visible.
coordinator_->SetLayoutParameters(
NSMakeRect(0, screen_frame.size.height, 10, 10),
NSMakeRect(0, screen_frame.size.height - 5, 10, 10),
screen_frame,
NSMakeRect(0, 0, 20, 20));
EXPECT_FALSE(IsInLowPowerMode());
set_valid_layout();
EXPECT_TRUE(DoesTransitionToLowPowerMode());
}
TEST_F(FullscreenLowPowerTest, OrderFrontAndChildWindows) {
SendFrames(kEnoughFrames, true);
coordinator_->SetInFullscreenTransition(false);
EXPECT_TRUE(DoesTransitionToLowPowerMode());
// Create a child window.
base::scoped_nsobject<NSWindow> child_window([[NSWindow alloc]
initWithContentRect:NSMakeRect(0, 0, 256, 256)
styleMask:NSTitledWindowMask | NSResizableWindowMask
backing:NSBackingStoreBuffered
defer:NO]);
[child_window setReleasedWhenClosed:NO];
[child_window orderFront:nil];
// The orderFront puts the window in front of the low power window, but
// the low power window is still in front of the content window, so we
// still think that we're in low power mode.
EXPECT_TRUE(IsInLowPowerMode());
SendFrames(1, true);
EXPECT_TRUE(IsInLowPowerMode());
// Now make this be a child window, and ensure that we're no longer in low
// power mode.
[content_window_ addChildWindow:child_window ordered:NSWindowAbove];
coordinator_->ChildWindowsChanged();
EXPECT_FALSE(IsInLowPowerMode());
// And remove it, and ensure that we're back in low power mode.
[content_window_ removeChildWindow:child_window];
coordinator_->ChildWindowsChanged();
EXPECT_TRUE(DoesTransitionToLowPowerMode());
// Now manually send the content window to the front, and make sure that
// the next frame restores the low power window.
[content_window_ orderFront:nil];
EXPECT_FALSE(IsInLowPowerMode());
SendFrames(1, true);
EXPECT_TRUE(IsInLowPowerMode());
}
} // namespace
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