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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/test/test_app_window_icon_observer.h"
#include <algorithm>
#include <string_view>
#include <utility>
#include "base/run_loop.h"
#include "extensions/browser/app_window/app_window.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/window.h"
#include "ui/gfx/image/image_skia_rep.h"
#include "ui/gfx/image/image_unittest_util.h"
TestAppWindowIconObserver::TestAppWindowIconObserver(
content::BrowserContext* context)
: context_(context) {
extensions::AppWindowRegistry::Get(context_)->AddObserver(this);
}
TestAppWindowIconObserver::~TestAppWindowIconObserver() {
extensions::AppWindowRegistry::Get(context_)->RemoveObserver(this);
for (aura::Window* window : windows_) {
window->RemoveObserver(this);
}
}
void TestAppWindowIconObserver::WaitForIconUpdate() {
WaitForIconUpdates(1);
}
void TestAppWindowIconObserver::WaitForIconUpdates(int updates) {
base::RunLoop run_loop;
expected_icon_updates_ = updates + icon_updates_;
icon_updated_callback_ = run_loop.QuitClosure();
run_loop.Run();
DCHECK_EQ(expected_icon_updates_, icon_updates_);
}
void TestAppWindowIconObserver::WaitForIconUpdates(
const gfx::ImageSkia& image_skia) {
base::RunLoop run_loop;
expected_image_skia_ = image_skia;
icon_image_updated_callback_ = run_loop.QuitClosure();
run_loop.Run();
}
void TestAppWindowIconObserver::OnAppWindowAdded(
extensions::AppWindow* app_window) {
aura::Window* window = app_window->GetNativeWindow();
window->AddObserver(this);
windows_.push_back(window);
// Handle the case where the app icon is already set prior to this callback.
// If it is set, handle the icon update immediately.
OnWindowPropertyChanged(window, aura::client::kAppIconKey, 0);
}
void TestAppWindowIconObserver::OnAppWindowRemoved(
extensions::AppWindow* app_window) {
aura::Window* window = app_window->GetNativeWindow();
if (window) {
windows_.erase(std::ranges::find(windows_, window));
window->RemoveObserver(this);
}
}
void TestAppWindowIconObserver::OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) {
if (key != aura::client::kAppIconKey) {
return;
}
std::array<uint8_t, crypto::hash::kSha256Size> app_icon_hash;
const gfx::ImageSkia* image = window->GetProperty(aura::client::kAppIconKey);
last_app_icon_ = image ? *image : gfx::ImageSkia();
if (image && !image->isNull()) {
const SkBitmap* bitmap = image->bitmap();
// The window icon property changes more frequently than the image itself
// leading to test flakiness. Just record instances where the image actually
// changes.
crypto::hash::Hasher hash(crypto::hash::HashKind::kSha256);
const size_t row_width = bitmap->bytesPerPixel() * bitmap->width();
for (int y = 0; y < bitmap->height(); ++y) {
// SAFETY: Skia guarantees that SkBitmap->getAddr(0, y) will return a
// pointer into the buffer with at least row_width bytes left.
UNSAFE_BUFFERS(hash.Update(base::span<const uint8_t>(
reinterpret_cast<const uint8_t*>(bitmap->getAddr(0, y)), row_width));)
}
hash.Finish(app_icon_hash);
}
if (app_icon_hash == last_app_icon_hash_map_[window]) {
return;
}
last_app_icon_hash_map_[window] = app_icon_hash;
++icon_updates_;
if (icon_updates_ == expected_icon_updates_ &&
!icon_updated_callback_.is_null()) {
std::move(icon_updated_callback_).Run();
}
if (!icon_image_updated_callback_.is_null() &&
gfx::test::AreBitmapsEqual(
expected_image_skia_.GetRepresentation(1.0f).GetBitmap(),
image->GetRepresentation(1.0f).GetBitmap())) {
std::move(icon_image_updated_callback_).Run();
}
}
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