| // Copyright (c) 2012 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. |
| |
| #include "chrome/browser/themes/theme_service.h" |
| |
| #include <gdk-pixbuf/gdk-pixbuf.h> |
| |
| #include "base/i18n/rtl.h" |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/gfx/gtk_util.h" |
| #include "ui/gfx/image/image.h" |
| |
| GdkPixbuf* ThemeService::GetRTLEnabledPixbufNamed(int id) const { |
| return GetPixbufImpl(id, true); |
| } |
| |
| GdkPixbuf* ThemeService::GetPixbufImpl(int id, bool rtl_enabled) const { |
| DCHECK(CalledOnValidThread()); |
| // Use the negative |resource_id| for the key for BIDI-aware images. |
| int key = rtl_enabled ? -id : id; |
| |
| // Check to see if we already have the pixbuf in the cache. |
| GdkPixbufMap::const_iterator pixbufs_iter = gdk_pixbufs_.find(key); |
| if (pixbufs_iter != gdk_pixbufs_.end()) |
| return pixbufs_iter->second; |
| |
| SkBitmap bitmap = GetImageNamed(id).AsBitmap(); |
| GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(bitmap); |
| |
| // We loaded successfully. Cache the pixbuf. |
| if (pixbuf) { |
| if (base::i18n::IsRTL() && rtl_enabled) { |
| GdkPixbuf* original_pixbuf = pixbuf; |
| pixbuf = gdk_pixbuf_flip(pixbuf, TRUE); |
| g_object_unref(original_pixbuf); |
| } |
| |
| gdk_pixbufs_[key] = pixbuf; |
| return pixbuf; |
| } |
| |
| // We failed to retrieve the bitmap, show a debugging red square. |
| LOG(WARNING) << "Unable to load GdkPixbuf with id " << id; |
| NOTREACHED(); // Want to assert in debug mode. |
| |
| static GdkPixbuf* empty_bitmap = NULL; |
| if (!empty_bitmap) { |
| // The placeholder bitmap is bright red so people notice the problem. |
| SkBitmap skia_bitmap; |
| skia_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 32, 32); |
| skia_bitmap.allocPixels(); |
| skia_bitmap.eraseARGB(255, 255, 0, 0); |
| empty_bitmap = gfx::GdkPixbufFromSkBitmap(skia_bitmap); |
| } |
| return empty_bitmap; |
| } |
| |
| void ThemeService::FreePlatformCaches() { |
| DCHECK(CalledOnValidThread()); |
| |
| // Free GdkPixbufs. |
| for (GdkPixbufMap::iterator i = gdk_pixbufs_.begin(); |
| i != gdk_pixbufs_.end(); i++) { |
| g_object_unref(i->second); |
| } |
| gdk_pixbufs_.clear(); |
| } |