[go: nahoru, domu]

blob: dfad5e98c275899cd7ed44f046d1c4aac0ba8d82 [file] [log] [blame]
// 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 "ui/base/resource/resource_bundle.h"
#import <AppKit/AppKit.h>
#include <stddef.h>
#include "base/apple/bundle_locations.h"
#include "base/apple/foundation_util.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/memory/ref_counted_memory.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/sys_string_conversions.h"
#include "base/synchronization/lock.h"
#include "ui/base/resource/resource_handle.h"
#include "ui/base/resource/resource_scale_factor.h"
#include "ui/gfx/image/image.h"
namespace ui {
namespace {
base::FilePath GetResourcesPakFilePath(NSString* name, NSString* mac_locale) {
NSString *resource_path;
// Some of the helper processes need to be able to fetch resources
// (chrome_main.cc: SubprocessNeedsResourceBundle()). Fetch the same locale
// as the already-running browser instead of using what NSBundle might pick
// based on values at helper launch time.
if (mac_locale.length) {
resource_path = [base::apple::FrameworkBundle() pathForResource:name
ofType:@"pak"
inDirectory:@""
forLocalization:mac_locale];
} else {
resource_path = [base::apple::FrameworkBundle() pathForResource:name
ofType:@"pak"];
}
if (!resource_path) {
// Return just the name of the pack file.
return base::FilePath(base::SysNSStringToUTF8(name) + ".pak");
}
return base::apple::NSStringToFilePath(resource_path);
}
} // namespace
void ResourceBundle::LoadCommonResources() {
AddDataPackFromPath(GetResourcesPakFilePath(@"chrome_100_percent", nil),
k100Percent);
// On Mac we load 1x and 2x resources and we let the UI framework decide
// which one to use.
if (IsScaleFactorSupported(k200Percent)) {
AddDataPackFromPath(GetResourcesPakFilePath(@"chrome_200_percent", nil),
k200Percent);
}
}
// static
base::FilePath ResourceBundle::GetLocaleFilePath(
const std::string& app_locale) {
NSString* mac_locale = base::SysUTF8ToNSString(app_locale);
// macOS uses "_" instead of "-", so swap to get a Mac-style value.
mac_locale = [mac_locale stringByReplacingOccurrencesOfString:@"-"
withString:@"_"];
// On disk, the "en_US" resources are just "en" (http://crbug.com/25578).
if ([mac_locale isEqual:@"en_US"])
mac_locale = @"en";
base::FilePath locale_file_path =
GetResourcesPakFilePath(@"locale", mac_locale);
if (HasSharedInstance() && GetSharedInstance().delegate_) {
locale_file_path = GetSharedInstance().delegate_->GetPathForLocalePack(
locale_file_path, app_locale);
}
// Don't try to load from paths that are not absolute.
return locale_file_path.IsAbsolute() ? locale_file_path : base::FilePath();
}
gfx::Image& ResourceBundle::GetNativeImageNamed(int resource_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// Check to see if the image is already in the cache.
if (auto found = images_.find(resource_id); found != images_.end())
return found->second;
gfx::Image image;
if (delegate_)
image = delegate_->GetNativeImageNamed(resource_id);
if (image.IsEmpty()) {
NSImage* ns_image;
for (const auto& resource_handle : resource_handles_) {
scoped_refptr<base::RefCountedStaticMemory> data(
resource_handle->GetStaticMemory(
base::checked_cast<uint16_t>(resource_id)));
if (!data.get())
continue;
NSData* ns_data = [[NSData alloc] initWithBytes:data->front()
length:data->size()];
if (!ns_image) {
ns_image = [[NSImage alloc] initWithData:ns_data];
} else {
NSImageRep* image_rep = [NSBitmapImageRep imageRepWithData:ns_data];
if (image_rep)
[ns_image addRepresentation:image_rep];
}
}
if (!ns_image) {
LOG(WARNING) << "Unable to load image with id " << resource_id;
NOTREACHED(); // Want to assert in debug mode.
return GetEmptyImage();
}
image = gfx::Image(ns_image);
}
auto inserted = images_.emplace(resource_id, image);
DCHECK(inserted.second);
return inserted.first->second;
}
} // namespace ui