gfx/skia/trunk/src/images/SkImageDecoder_FactoryRegistrar.cpp@129ffea94266 (annotated)
gfx/skia/trunk/src/images/SkImageDecoder_FactoryRegistrar.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "SkErrorInternals.h" |
| michael@0 | 9 | #include "SkImageDecoder.h" |
| michael@0 | 10 | #include "SkStream.h" |
| michael@0 | 11 | #include "SkTRegistry.h" |
| michael@0 | 12 | |
| michael@0 | 13 | // This file is used for registration of SkImageDecoders. It also holds a function |
| michael@0 | 14 | // for checking all the the registered SkImageDecoders for one that matches an |
| michael@0 | 15 | // input SkStreamRewindable. |
| michael@0 | 16 | |
| michael@0 | 17 | template SkImageDecoder_DecodeReg* SkImageDecoder_DecodeReg::gHead; |
| michael@0 | 18 | |
| michael@0 | 19 | SkImageDecoder* image_decoder_from_stream(SkStreamRewindable*); |
| michael@0 | 20 | |
| michael@0 | 21 | SkImageDecoder* image_decoder_from_stream(SkStreamRewindable* stream) { |
| michael@0 | 22 | SkImageDecoder* codec = NULL; |
| michael@0 | 23 | const SkImageDecoder_DecodeReg* curr = SkImageDecoder_DecodeReg::Head(); |
| michael@0 | 24 | while (curr) { |
| michael@0 | 25 | codec = curr->factory()(stream); |
| michael@0 | 26 | // we rewind here, because we promise later when we call "decode", that |
| michael@0 | 27 | // the stream will be at its beginning. |
| michael@0 | 28 | bool rewindSuceeded = stream->rewind(); |
| michael@0 | 29 | |
| michael@0 | 30 | // our image decoder's require that rewind is supported so we fail early |
| michael@0 | 31 | // if we are given a stream that does not support rewinding. |
| michael@0 | 32 | if (!rewindSuceeded) { |
| michael@0 | 33 | SkDEBUGF(("Unable to rewind the image stream.")); |
| michael@0 | 34 | SkDELETE(codec); |
| michael@0 | 35 | return NULL; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | if (codec) { |
| michael@0 | 39 | return codec; |
| michael@0 | 40 | } |
| michael@0 | 41 | curr = curr->next(); |
| michael@0 | 42 | } |
| michael@0 | 43 | return NULL; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | template SkImageDecoder_FormatReg* SkImageDecoder_FormatReg::gHead; |
| michael@0 | 47 | |
| michael@0 | 48 | SkImageDecoder::Format SkImageDecoder::GetStreamFormat(SkStreamRewindable* stream) { |
| michael@0 | 49 | const SkImageDecoder_FormatReg* curr = SkImageDecoder_FormatReg::Head(); |
| michael@0 | 50 | while (curr != NULL) { |
| michael@0 | 51 | Format format = curr->factory()(stream); |
| michael@0 | 52 | if (!stream->rewind()) { |
| michael@0 | 53 | SkErrorInternals::SetError(kInvalidOperation_SkError, |
| michael@0 | 54 | "Unable to rewind the image stream\n"); |
| michael@0 | 55 | return kUnknown_Format; |
| michael@0 | 56 | } |
| michael@0 | 57 | if (format != kUnknown_Format) { |
| michael@0 | 58 | return format; |
| michael@0 | 59 | } |
| michael@0 | 60 | curr = curr->next(); |
| michael@0 | 61 | } |
| michael@0 | 62 | return kUnknown_Format; |
| michael@0 | 63 | } |
