15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/themes/theme_service.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <gdk-pixbuf/gdk-pixbuf.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/i18n/rtl.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkBitmap.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/gtk_util.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/image/image.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GdkPixbuf* ThemeService::GetRTLEnabledPixbufNamed(int id) const { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetPixbufImpl(id, true); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GdkPixbuf* ThemeService::GetPixbufImpl(int id, bool rtl_enabled) const { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use the negative |resource_id| for the key for BIDI-aware images. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int key = rtl_enabled ? -id : id; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check to see if we already have the pixbuf in the cache. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkPixbufMap::const_iterator pixbufs_iter = gdk_pixbufs_.find(key); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pixbufs_iter != gdk_pixbufs_.end()) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pixbufs_iter->second; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap bitmap = GetImageNamed(id).AsBitmap(); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(bitmap); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We loaded successfully. Cache the pixbuf. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pixbuf) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::i18n::IsRTL() && rtl_enabled) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkPixbuf* original_pixbuf = pixbuf; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pixbuf = gdk_pixbuf_flip(pixbuf, TRUE); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_object_unref(original_pixbuf); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_pixbufs_[key] = pixbuf; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pixbuf; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We failed to retrieve the bitmap, show a debugging red square. 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(WARNING) << "Unable to load GdkPixbuf with id " << id; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); // Want to assert in debug mode. 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static GdkPixbuf* empty_bitmap = NULL; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!empty_bitmap) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The placeholder bitmap is bright red so people notice the problem. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap skia_bitmap; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) skia_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 32, 32); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) skia_bitmap.allocPixels(); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) skia_bitmap.eraseARGB(255, 255, 0, 0); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) empty_bitmap = gfx::GdkPixbufFromSkBitmap(skia_bitmap); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return empty_bitmap; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ThemeService::FreePlatformCaches() { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(CalledOnValidThread()); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Free GdkPixbufs. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (GdkPixbufMap::iterator i = gdk_pixbufs_.begin(); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) i != gdk_pixbufs_.end(); i++) { 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_object_unref(i->second); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_pixbufs_.clear(); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 71