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author | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-26 23:55:29 +0000 |
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committer | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-26 23:55:29 +0000 |
commit | 09911bf300f1a419907a9412154760efd0b7abc3 (patch) | |
tree | f131325fb4e2ad12c6d3504ab75b16dd92facfed /chrome/common/chrome_plugin_util.h | |
parent | 586acc5fe142f498261f52c66862fa417c3d52d2 (diff) | |
download | chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.zip chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.tar.gz chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.tar.bz2 |
Add chrome to the repository.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/common/chrome_plugin_util.h')
-rw-r--r-- | chrome/common/chrome_plugin_util.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/chrome/common/chrome_plugin_util.h b/chrome/common/chrome_plugin_util.h new file mode 100644 index 0000000..652259b --- /dev/null +++ b/chrome/common/chrome_plugin_util.h @@ -0,0 +1,112 @@ +// Copyright 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef CHROME_COMMON_CHROME_PLUGIN_UTIL_H__ +#define CHROME_COMMON_CHROME_PLUGIN_UTIL_H__ + +#include "base/basictypes.h" +#include "base/ref_counted.h" +#include "chrome/common/chrome_plugin_api.h" +#include "chrome/common/notification_service.h" + +class ChromePluginLib; +class MessageLoop; +namespace net{ +class HttpResponseHeaders; +} + +// A helper struct to ensure the CPRequest data is cleaned up when done. +// This class is reused for requests made by the browser (and intercepted by the +// plugin) as well as those made by the plugin. +struct ScopableCPRequest : public CPRequest { + template<class T> + static T GetData(CPRequest* request) { + return static_cast<T>(static_cast<ScopableCPRequest*>(request)->data); + } + + ScopableCPRequest(const char* url, const char* method, + CPBrowsingContext context); + ~ScopableCPRequest(); + + void* data; +}; + +// This is a base class for plugin-related objects that need to go away when +// the plugin unloads. This object also verifies that it is created and +// destroyed on the same thread. +class PluginHelper : public NotificationObserver { + public: + static void DestroyAllHelpersForPlugin(ChromePluginLib* plugin); + + PluginHelper(ChromePluginLib* plugin); + virtual ~PluginHelper(); + + // NotificationObserver + virtual void Observe(NotificationType type, + const NotificationSource& source, + const NotificationDetails& details); + + protected: + scoped_refptr<ChromePluginLib> plugin_; +#ifndef NDEBUG + // We keep track of the message loop of the thread we were created on, so + // we can verify that all other methods are called on the same thread. + MessageLoop* message_loop_; +#endif + + DISALLOW_EVIL_CONSTRUCTORS(PluginHelper); +}; + +// A class of utility functions for dealing with request responses. +class PluginResponseUtils { +public: + // Helper to convert request load flags from the plugin API to the net API + // versions. + static uint32 CPLoadFlagsToNetFlags(uint32 flags); + + // Common implementation of a CPR_GetResponseInfo call. + static int GetResponseInfo( + const net::HttpResponseHeaders* response_headers, + CPResponseInfoType type, void* buf, uint32 buf_size); +}; + +// Helper to allocate a string using the given CPB_Alloc function. +inline char* CPB_StringDup(CPB_AllocFunc alloc, const std::string& str) { + char* cstr = static_cast<char*>(alloc(static_cast<uint32>(str.length() + 1))); + memcpy(cstr, str.c_str(), str.length() + 1); // Include null terminator. + return cstr; +} + +CPError CPB_GetCommandLineArgumentsCommon(const char* url, + std::string* arguments); + +void* STDCALL CPB_Alloc(uint32 size); +void STDCALL CPB_Free(void* memory); + +#endif // CHROME_COMMON_CHROME_PLUGIN_UTIL_H__ |