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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /image/decoders/icon/android | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/decoders/icon/android')
-rw-r--r-- | image/decoders/icon/android/moz.build | 13 | ||||
-rw-r--r-- | image/decoders/icon/android/nsIconChannel.cpp | 125 | ||||
-rw-r--r-- | image/decoders/icon/android/nsIconChannel.h | 45 |
3 files changed, 183 insertions, 0 deletions
diff --git a/image/decoders/icon/android/moz.build b/image/decoders/icon/android/moz.build new file mode 100644 index 0000000000..a99ae228d4 --- /dev/null +++ b/image/decoders/icon/android/moz.build @@ -0,0 +1,13 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +SOURCES += [ + "nsIconChannel.cpp", +] + +include("/ipc/chromium/chromium-config.mozbuild") + +FINAL_LIBRARY = "xul" diff --git a/image/decoders/icon/android/nsIconChannel.cpp b/image/decoders/icon/android/nsIconChannel.cpp new file mode 100644 index 0000000000..7599cf2bb7 --- /dev/null +++ b/image/decoders/icon/android/nsIconChannel.cpp @@ -0,0 +1,125 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <stdlib.h> +#include "mozilla/gfx/Swizzle.h" +#include "mozilla/dom/ContentChild.h" +#include "mozilla/NullPrincipal.h" +#include "nsMimeTypes.h" +#include "nsXULAppAPI.h" +#include "AndroidBridge.h" +#include "nsIconChannel.h" +#include "nsIIconURI.h" +#include "nsIStringStream.h" +#include "nsNetUtil.h" +#include "nsComponentManagerUtils.h" + +NS_IMPL_ISUPPORTS(nsIconChannel, nsIRequest, nsIChannel) + +using namespace mozilla; +using mozilla::dom::ContentChild; + +static nsresult GetIconForExtension(const nsACString& aFileExt, + uint32_t aIconSize, uint8_t* const aBuf) { + if (!AndroidBridge::Bridge()) { + return NS_ERROR_FAILURE; + } + + AndroidBridge::Bridge()->GetIconForExtension(aFileExt, aIconSize, aBuf); + + return NS_OK; +} + +static nsresult CallRemoteGetIconForExtension(const nsACString& aFileExt, + uint32_t aIconSize, + uint8_t* const aBuf) { + NS_ENSURE_TRUE(aBuf != nullptr, NS_ERROR_NULL_POINTER); + + // An array has to be used to get data from remote process + nsTArray<uint8_t> bits; + uint32_t bufSize = aIconSize * aIconSize * 4; + + if (!ContentChild::GetSingleton()->SendGetIconForExtension( + PromiseFlatCString(aFileExt), aIconSize, &bits)) { + return NS_ERROR_FAILURE; + } + + NS_ASSERTION(bits.Length() == bufSize, "Pixels array is incomplete"); + if (bits.Length() != bufSize) { + return NS_ERROR_FAILURE; + } + + memcpy(aBuf, bits.Elements(), bufSize); + + return NS_OK; +} + +static nsresult moz_icon_to_channel(nsIURI* aURI, const nsACString& aFileExt, + uint32_t aIconSize, nsIChannel** aChannel) { + NS_ENSURE_TRUE(aIconSize < 256 && aIconSize > 0, NS_ERROR_UNEXPECTED); + + int width = aIconSize; + int height = aIconSize; + + // moz-icon data should have two bytes for the size, + // then the ARGB pixel values with pre-multiplied Alpha + const int channels = 4; + CheckedInt32 buf_size = + 4 + channels * CheckedInt32(height) * CheckedInt32(width); + if (!buf_size.isValid()) { + return NS_ERROR_OUT_OF_MEMORY; + } + uint8_t* const buf = (uint8_t*)moz_xmalloc(buf_size.value()); + uint8_t* out = buf; + + *(out++) = width; + *(out++) = height; + *(out++) = uint8_t(mozilla::gfx::SurfaceFormat::R8G8B8A8); + + // Set all bits to ensure in nsIconDecoder we color manage and premultiply. + *(out++) = 0xFF; + + nsresult rv; + if (XRE_IsParentProcess()) { + rv = GetIconForExtension(aFileExt, aIconSize, out); + } else { + rv = CallRemoteGetIconForExtension(aFileExt, aIconSize, out); + } + NS_ENSURE_SUCCESS(rv, rv); + + nsCOMPtr<nsIStringInputStream> stream = + do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv); + NS_ENSURE_SUCCESS(rv, rv); + + rv = stream->AdoptData((char*)buf, buf_size.value()); + NS_ENSURE_SUCCESS(rv, rv); + + // nsIconProtocolHandler::NewChannel will provide the correct loadInfo for + // this iconChannel. Use the most restrictive security settings for the + // temporary loadInfo to make sure the channel can not be opened. + nsCOMPtr<nsIPrincipal> nullPrincipal = + NullPrincipal::CreateWithoutOriginAttributes(); + return NS_NewInputStreamChannel( + aChannel, aURI, stream.forget(), nullPrincipal, + nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED, + nsIContentPolicy::TYPE_INTERNAL_IMAGE, nsLiteralCString(IMAGE_ICON_MS)); +} + +nsresult nsIconChannel::Init(nsIURI* aURI) { + nsCOMPtr<nsIMozIconURI> iconURI = do_QueryInterface(aURI); + NS_ASSERTION(iconURI, "URI is not an nsIMozIconURI"); + + nsAutoCString stockIcon; + iconURI->GetStockIcon(stockIcon); + + uint32_t desiredImageSize; + iconURI->GetImageSize(&desiredImageSize); + + nsAutoCString iconFileExt; + iconURI->GetFileExtension(iconFileExt); + + return moz_icon_to_channel(iconURI, iconFileExt, desiredImageSize, + getter_AddRefs(mRealChannel)); +} diff --git a/image/decoders/icon/android/nsIconChannel.h b/image/decoders/icon/android/nsIconChannel.h new file mode 100644 index 0000000000..e25196c6ee --- /dev/null +++ b/image/decoders/icon/android/nsIconChannel.h @@ -0,0 +1,45 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_image_decoders_icon_android_nsIconChannel_h +#define mozilla_image_decoders_icon_android_nsIconChannel_h + +#include "mozilla/Attributes.h" + +#include "nsIChannel.h" +#include "nsIURI.h" +#include "nsCOMPtr.h" + +/** + * This class is the Android implementation of nsIconChannel. + * It asks Android for an icon, and creates a new channel for + * that file to which all calls will be proxied. + */ +class nsIconChannel final : public nsIChannel { + public: + NS_DECL_ISUPPORTS + NS_FORWARD_NSIREQUEST(mRealChannel->) + NS_FORWARD_NSICHANNEL(mRealChannel->) + + nsIconChannel() {} + + /** + * Called by nsIconProtocolHandler after it creates this channel. + * Must be called before calling any other function on this object. + * If this method fails, no other function must be called on this object. + */ + nsresult Init(nsIURI* aURI); + + private: + ~nsIconChannel() {} + + /** + * The channel to the temp icon file (e.g. to /tmp/2qy9wjqw.html). + * Will always be non-null after a successful Init. + */ + nsCOMPtr<nsIChannel> mRealChannel; +}; + +#endif // mozilla_image_decoders_icon_android_nsIconChannel_h |