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// Copyright 2012 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/web_applications/os_integration/mac/apps_folder_support.h"
#import <Cocoa/Cocoa.h>
#import "base/apple/foundation_util.h"
#include "base/check_is_test.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/strings/sys_string_conversions.h"
#include "base/threading/scoped_blocking_call.h"
#include "base/version_info/channel.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/shortcuts/platform_util_mac.h"
#include "chrome/browser/web_applications/os_integration/mac/icon_utils.h"
#include "chrome/browser/web_applications/os_integration/os_integration_test_override.h"
#include "chrome/common/channel_info.h"
#include "chrome/grit/chrome_unscaled_resources.h"
#include "content/public/browser/browser_thread.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image.h"
namespace web_app {
namespace {
// Set to true the first time the localized name of the chrome apps dir has been
// updated sucessfully, as this only needs to be done once.
bool g_have_localized_app_dir_name = false;
base::FilePath GetLocalizableAppShortcutsSubdirName() {
static const char kChromiumAppDirName[] = "Chromium Apps.localized";
static const char kChromeAppDirName[] = "Chrome Apps.localized";
static const char kChromeCanaryAppDirName[] = "Chrome Canary Apps.localized";
switch (chrome::GetChannel()) {
case version_info::Channel::UNKNOWN:
return base::FilePath(kChromiumAppDirName);
case version_info::Channel::CANARY:
return base::FilePath(kChromeCanaryAppDirName);
default:
return base::FilePath(kChromeAppDirName);
}
}
base::FilePath GetWritableApplicationsDirectory() {
base::FilePath path;
if (base::apple::GetUserDirectory(NSApplicationDirectory, &path)) {
if (!base::DirectoryExists(path)) {
if (!base::CreateDirectory(path)) {
return base::FilePath();
}
// Create a zero-byte ".localized" file to inherit localizations from
// macOS for folders that have special meaning.
base::WriteFile(path.Append(".localized"), "");
}
return base::PathIsWritable(path) ? path : base::FilePath();
}
return base::FilePath();
}
base::FilePath GetChromeAppsFolderImpl() {
scoped_refptr<OsIntegrationTestOverride> os_override =
OsIntegrationTestOverride::Get();
if (os_override) {
CHECK_IS_TEST();
if (os_override->IsChromeAppsValid()) {
return os_override->chrome_apps_folder();
}
return base::FilePath();
}
base::FilePath path = GetWritableApplicationsDirectory();
if (path.empty()) {
return path;
}
return path.Append(GetLocalizableAppShortcutsSubdirName());
}
// Helper function to extract the single NSImageRep held in a resource bundle
// image.
NSImageRep* ImageRepForGFXImage(const gfx::Image& image) {
NSArray* image_reps = image.AsNSImage().representations;
DCHECK_EQ(1u, image_reps.count);
return image_reps[0];
}
using ResourceIDToImage = std::map<int, NSImageRep*>;
// Generates a map of NSImageReps used by SetWorkspaceIconOnWorkerThread and
// passes it to |io_task|. Since ui::ResourceBundle can only be used on UI
// thread, this function also needs to run on UI thread, and the gfx::Images
// need to be converted to NSImageReps on the UI thread due to non-thread-safety
// of gfx::Image.
ResourceIDToImage GetImageResourcesOnUIThread() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
ui::ResourceBundle& resource_bundle = ui::ResourceBundle::GetSharedInstance();
ResourceIDToImage result;
// These resource ID should match to the ones used by
// SetWorkspaceIconOnWorkerThread below.
for (int id : {IDR_APPS_FOLDER_16, IDR_APPS_FOLDER_32,
IDR_APPS_FOLDER_OVERLAY_128, IDR_APPS_FOLDER_OVERLAY_512}) {
gfx::Image image = resource_bundle.GetNativeImageNamed(id);
result[id] = ImageRepForGFXImage(image);
}
return result;
}
void SetWorkspaceIconOnWorkerThread(const base::FilePath& apps_directory,
const ResourceIDToImage& images) {
base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
base::BlockingType::MAY_BLOCK);
NSImage* folder_icon_image = [[NSImage alloc] init];
// Use complete assets for the small icon sizes. -[NSWorkspace setIcon:] has a
// bug when dealing with named NSImages where it incorrectly handles alpha
// premultiplication. This is most noticeable with small assets since the 1px
// border is a much larger component of the small icons.
// See http://crbug.com/305373 for details.
for (int id : {IDR_APPS_FOLDER_16, IDR_APPS_FOLDER_32}) {
const auto& found = images.find(id);
DCHECK(found != images.end());
[folder_icon_image addRepresentation:found->second];
}
// Brand larger folder assets with an embossed app launcher logo to
// conserve distro size and for better consistency with changing hue
// across macOS versions. The folder is textured, so compresses poorly
// without this.
NSImage* base_image = [NSImage imageNamed:NSImageNameFolder];
for (int id : {IDR_APPS_FOLDER_OVERLAY_128, IDR_APPS_FOLDER_OVERLAY_512}) {
const auto& found = images.find(id);
DCHECK(found != images.end());
NSImageRep* with_overlay = OverlayImageRep(base_image, found->second);
DCHECK(with_overlay);
if (with_overlay) {
[folder_icon_image addRepresentation:with_overlay];
}
}
shortcuts::SetIconForFile(folder_icon_image, apps_directory,
base::DoNothing());
}
// Adds a localized strings file for the Chrome Apps directory using the current
// locale. macOS will use this for the display name.
// + Chrome Apps.localized (|apps_directory|)
// | + .localized
// | | en.strings
// | | de.strings
bool UpdateAppShortcutsSubdirLocalizedName(
const base::FilePath& apps_directory) {
base::FilePath localized = apps_directory.Append(".localized");
if (!base::CreateDirectory(localized)) {
return false;
}
base::FilePath directory_name = apps_directory.BaseName().RemoveExtension();
std::u16string localized_name =
shell_integration::GetAppShortcutsSubdirName();
NSDictionary* strings_dict = @{
base::apple::FilePathToNSString(directory_name) :
base::SysUTF16ToNSString(localized_name)
};
std::string locale = l10n_util::NormalizeLocale(
l10n_util::GetApplicationLocale(std::string()));
NSURL* strings_url =
base::apple::FilePathToNSURL(localized.Append(locale + ".strings"));
[strings_dict writeToURL:strings_url error:nil];
content::GetUIThreadTaskRunner({})->PostTaskAndReplyWithResult(
FROM_HERE, base::BindOnce(&GetImageResourcesOnUIThread),
base::BindOnce(&SetWorkspaceIconOnWorkerThread, apps_directory));
return true;
}
} // namespace
base::FilePath GetChromeAppsFolder() {
base::FilePath path = GetChromeAppsFolderImpl();
if (path.empty()) {
return path;
}
// Only set folder icons and a localized name once, as nothing should be
// changing the folder icon and name.
if (!g_have_localized_app_dir_name) {
g_have_localized_app_dir_name = UpdateAppShortcutsSubdirLocalizedName(path);
}
if (!g_have_localized_app_dir_name) {
LOG(ERROR) << "Failed to localize " << path;
}
return path;
}
void ResetHaveLocalizedAppDirNameForTesting() {
g_have_localized_app_dir_name = false;
}
} // namespace web_app
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