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// Copyright (c) 2006-2008 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 "webkit/glue/plugins/webplugin_delegate_impl.h"
#include <string>
#include <vector>
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/process_util.h"
#include "base/scoped_ptr.h"
#include "base/stats_counters.h"
#include "base/string_util.h"
#include "third_party/WebKit/WebKit/chromium/public/WebInputEvent.h"
#include "webkit/glue/plugins/plugin_constants_win.h"
#include "webkit/glue/plugins/plugin_instance.h"
#include "webkit/glue/plugins/plugin_lib.h"
#include "webkit/glue/plugins/plugin_list.h"
#include "webkit/glue/plugins/plugin_stream_url.h"
#include "webkit/glue/webkit_glue.h"
using webkit_glue::WebPlugin;
using webkit_glue::WebPluginDelegate;
using webkit_glue::WebPluginResourceClient;
using WebKit::WebCursorInfo;
using WebKit::WebKeyboardEvent;
using WebKit::WebInputEvent;
using WebKit::WebMouseEvent;
WebPluginDelegateImpl* WebPluginDelegateImpl::Create(
const FilePath& filename,
const std::string& mime_type,
gfx::PluginWindowHandle containing_view) {
scoped_refptr<NPAPI::PluginLib> plugin_lib =
NPAPI::PluginLib::CreatePluginLib(filename);
if (plugin_lib.get() == NULL)
return NULL;
NPError err = plugin_lib->NP_Initialize();
if (err != NPERR_NO_ERROR)
return NULL;
scoped_refptr<NPAPI::PluginInstance> instance =
plugin_lib->CreateInstance(mime_type);
return new WebPluginDelegateImpl(containing_view, instance.get());
}
bool WebPluginDelegateImpl::Initialize(
const GURL& url,
const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values,
WebPlugin* plugin,
bool load_manually) {
plugin_ = plugin;
instance_->set_web_plugin(plugin_);
if (quirks_ & PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES) {
NPAPI::PluginLib* plugin_lib = instance()->plugin_lib();
if (plugin_lib->instance_count() > 1) {
return false;
}
}
if (quirks_ & PLUGIN_QUIRK_DIE_AFTER_UNLOAD)
webkit_glue::SetForcefullyTerminatePluginProcess(true);
int argc = 0;
scoped_array<char*> argn(new char*[arg_names.size()]);
scoped_array<char*> argv(new char*[arg_names.size()]);
for (size_t i = 0; i < arg_names.size(); ++i) {
if (quirks_ & PLUGIN_QUIRK_NO_WINDOWLESS &&
LowerCaseEqualsASCII(arg_names[i], "windowlessvideo")) {
continue;
}
argn[argc] = const_cast<char*>(arg_names[i].c_str());
argv[argc] = const_cast<char*>(arg_values[i].c_str());
argc++;
}
bool start_result = instance_->Start(
url, argn.get(), argv.get(), argc, load_manually);
if (!start_result)
return false;
windowless_ = instance_->windowless();
if (!windowless_) {
if (!WindowedCreatePlugin())
return false;
} else {
// For windowless plugins we should set the containing window handle
// as the instance window handle. This is what Safari does. Not having
// a valid window handle causes subtle bugs with plugins which retrieve
// the window handle and validate the same. The window handle can be
// retrieved via NPN_GetValue of NPNVnetscapeWindow.
instance_->set_window_handle(parent_);
}
PlatformInitialize();
plugin_url_ = url.spec();
return true;
}
void WebPluginDelegateImpl::DestroyInstance() {
if (instance_ && (instance_->npp()->ndata != NULL)) {
// Shutdown all streams before destroying so that
// no streams are left "in progress". Need to do
// this before calling set_web_plugin(NULL) because the
// instance uses the helper to do the download.
instance_->CloseStreams();
window_.window = NULL;
if (!(quirks_ & PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY)) {
instance_->NPP_SetWindow(&window_);
}
instance_->NPP_Destroy();
instance_->set_web_plugin(NULL);
PlatformDestroyInstance();
instance_ = 0;
}
}
void WebPluginDelegateImpl::UpdateGeometry(
const gfx::Rect& window_rect,
const gfx::Rect& clip_rect) {
if (windowless_) {
WindowlessUpdateGeometry(window_rect, clip_rect);
} else {
WindowedUpdateGeometry(window_rect, clip_rect);
}
}
NPObject* WebPluginDelegateImpl::GetPluginScriptableObject() {
return instance_->GetPluginScriptableObject();
}
void WebPluginDelegateImpl::DidFinishLoadWithReason(const GURL& url,
NPReason reason,
intptr_t notify_data) {
if (quirks_ & PLUGIN_QUIRK_ALWAYS_NOTIFY_SUCCESS &&
reason == NPRES_NETWORK_ERR) {
// Flash needs this or otherwise it unloads the launching swf object.
reason = NPRES_DONE;
}
instance()->DidFinishLoadWithReason(
url, reason, reinterpret_cast<void*>(notify_data));
}
int WebPluginDelegateImpl::GetProcessId() {
// We are in process, so the plugin pid is this current process pid.
return base::GetCurrentProcId();
}
void WebPluginDelegateImpl::SendJavaScriptStream(const GURL& url,
const std::string& result,
bool success,
bool notify_needed,
intptr_t notify_data) {
instance()->SendJavaScriptStream(url, result, success, notify_needed,
notify_data);
}
void WebPluginDelegateImpl::DidReceiveManualResponse(
const GURL& url, const std::string& mime_type,
const std::string& headers, uint32 expected_length, uint32 last_modified) {
if (!windowless_) {
// Calling NPP_WriteReady before NPP_SetWindow causes movies to not load in
// Flash. See http://b/issue?id=892174.
DCHECK(windowed_did_set_window_);
}
instance()->DidReceiveManualResponse(url, mime_type, headers,
expected_length, last_modified);
}
void WebPluginDelegateImpl::DidReceiveManualData(const char* buffer,
int length) {
instance()->DidReceiveManualData(buffer, length);
}
void WebPluginDelegateImpl::DidFinishManualLoading() {
instance()->DidFinishManualLoading();
}
void WebPluginDelegateImpl::DidManualLoadFail() {
instance()->DidManualLoadFail();
}
FilePath WebPluginDelegateImpl::GetPluginPath() {
return instance()->plugin_lib()->plugin_info().path;
}
void WebPluginDelegateImpl::WindowedUpdateGeometry(
const gfx::Rect& window_rect,
const gfx::Rect& clip_rect) {
if (WindowedReposition(window_rect, clip_rect) ||
!windowed_did_set_window_) {
// Let the plugin know that it has been moved
WindowedSetWindow();
}
}
WebPluginResourceClient* WebPluginDelegateImpl::CreateResourceClient(
unsigned long resource_id, const GURL& url, bool notify_needed,
intptr_t notify_data, intptr_t existing_stream) {
// Stream already exists. This typically happens for range requests
// initiated via NPN_RequestRead.
if (existing_stream) {
NPAPI::PluginStream* plugin_stream =
reinterpret_cast<NPAPI::PluginStream*>(existing_stream);
return plugin_stream->AsResourceClient();
}
std::string mime_type;
NPAPI::PluginStreamUrl *stream = instance()->CreateStream(
resource_id, url, mime_type, notify_needed,
reinterpret_cast<void*>(notify_data));
return stream;
}
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