blob: b9e64a7ce09a88e54b22006acff22083b0a4faf7 [file] [log] [blame]
// Copyright (c) 2012 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 "content/child/npapi/webplugin_delegate_impl.h"
#include <string>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/process/process_handle.h"
#include "base/strings/string_util.h"
#include "content/child/npapi/plugin_instance.h"
#include "content/child/npapi/plugin_lib.h"
#include "content/child/npapi/plugin_stream_url.h"
#include "content/child/npapi/plugin_url_fetcher.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
using blink::WebCursorInfo;
using blink::WebInputEvent;
namespace content {
WebPluginDelegateImpl* WebPluginDelegateImpl::Create(
WebPlugin* plugin,
const base::FilePath& filename,
const std::string& mime_type) {
scoped_refptr<PluginLib> plugin_lib(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<PluginInstance> instance(plugin_lib->CreateInstance(mime_type));
return new WebPluginDelegateImpl(plugin, instance.get());
void WebPluginDelegateImpl::PluginDestroyed() {
if (handle_event_depth_) {
base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
} else {
delete this;
bool WebPluginDelegateImpl::Initialize(
const GURL& url,
const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values,
bool load_manually) {
PluginLib* plugin_lib = instance()->plugin_lib();
if (plugin_lib->instance_count() > 1) {
return false;
int argc = 0;
scoped_ptr<char*[]> argn(new char*[arg_names.size()]);
scoped_ptr<char*[]> argv(new char*[arg_names.size()]);
for (size_t i = 0; i < arg_names.size(); ++i) {
LowerCaseEqualsASCII(arg_names[i], "windowlessvideo")) {
argn[argc] = const_cast<char*>(arg_names[i].c_str());
argv[argc] = const_cast<char*>(arg_values[i].c_str());
creation_succeeded_ = instance_->Start(
url, argn.get(), argv.get(), argc, load_manually);
if (!creation_succeeded_) {
VLOG(1) << "Couldn't start plug-in instance";
return false;
windowless_ = instance_->windowless();
if (!windowless_) {
if (!WindowedCreatePlugin()) {
VLOG(1) << "Couldn't create windowed plug-in";
return false;
bool should_load = PlatformInitialize();
plugin_url_ = url.spec();
return should_load;
void WebPluginDelegateImpl::DestroyInstance() {
if (instance_.get() && (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.
window_.window = NULL;
if (creation_succeeded_ &&
instance_ = 0;
void WebPluginDelegateImpl::UpdateGeometry(
const gfx::Rect& window_rect,
const gfx::Rect& clip_rect) {
if (first_set_window_call_) {
first_set_window_call_ = false;
// Plugins like media player on Windows have a bug where in they handle the
// first geometry update and ignore the rest resulting in painting issues.
// This quirk basically ignores the first set window call sequence for
// these plugins and has been tested for Windows plugins only.
if (windowless_) {
WindowlessUpdateGeometry(window_rect, clip_rect);
} else {
WindowedUpdateGeometry(window_rect, clip_rect);
void WebPluginDelegateImpl::SetFocus(bool focused) {
// This is called when internal WebKit focus (the focused element on the page)
// changes, but plugins need to know about OS-level focus, so we have an extra
// layer of focus tracking.
// On Windows, historically browsers did not set focus events to windowless
// plugins when the toplevel window focus changes. Sending such focus events
// breaks full screen mode in Flash because it will come out of full screen
// mode when it loses focus, and its full screen window causes the browser to
// lose focus.
has_webkit_focus_ = focused;
#if !defined(OS_WIN)
if (containing_view_has_focus_)
void WebPluginDelegateImpl::SetPluginHasFocus(bool focused) {
if (focused == plugin_has_focus_)
if (PlatformSetPluginHasFocus(focused))
plugin_has_focus_ = focused;
void WebPluginDelegateImpl::SetContentAreaHasFocus(bool has_focus) {
containing_view_has_focus_ = has_focus;
if (!windowless_)
#if !defined(OS_WIN) // See SetFocus above.
SetPluginHasFocus(containing_view_has_focus_ && has_webkit_focus_);
NPObject* WebPluginDelegateImpl::GetPluginScriptableObject() {
return instance_->GetPluginScriptableObject();
NPP WebPluginDelegateImpl::GetPluginNPP() {
return instance_->npp();
bool WebPluginDelegateImpl::GetFormValue(base::string16* value) {
return instance_->GetFormValue(value);
void WebPluginDelegateImpl::DidFinishLoadWithReason(const GURL& url,
NPReason reason,
int notify_id) {
reason == NPRES_NETWORK_ERR) {
// Flash needs this or otherwise it unloads the launching swf object.
reason = NPRES_DONE;
instance()->DidFinishLoadWithReason(url, reason, notify_id);
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,
int notify_id) {
instance()->SendJavaScriptStream(url, result, success, notify_id);
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.
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() {
void WebPluginDelegateImpl::DidManualLoadFail() {
base::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
bool WebPluginDelegateImpl::HandleInputEvent(
const WebInputEvent& event,
WebCursor::CursorInfo* cursor_info) {
DCHECK(windowless_) << "events should only be received in windowless mode";
bool pop_user_gesture = false;
if (IsUserGesture(event)) {
pop_user_gesture = true;
bool handled = PlatformHandleInputEvent(event, cursor_info);
if (pop_user_gesture) {
return handled;
bool WebPluginDelegateImpl::IsUserGesture(const WebInputEvent& event) {
switch (event.type) {
case WebInputEvent::MouseDown:
case WebInputEvent::MouseUp:
case WebInputEvent::KeyDown:
case WebInputEvent::KeyUp:
return true;
return false;
return false;
WebPluginResourceClient* WebPluginDelegateImpl::CreateResourceClient(
unsigned long resource_id, const GURL& url, int notify_id) {
return instance()->CreateStream(
resource_id, url, std::string(), notify_id);
WebPluginResourceClient* WebPluginDelegateImpl::CreateSeekableResourceClient(
unsigned long resource_id, int range_request_id) {
WebPluginResourceClient* resource_client = instance()->GetRangeRequest(
if (resource_client)
return resource_client;
void WebPluginDelegateImpl::FetchURL(unsigned long resource_id,
int notify_id,
const GURL& url,
const GURL& first_party_for_cookies,
const std::string& method,
const char* buf,
unsigned int len,
const GURL& referrer,
bool notify_redirects,
bool is_plugin_src_load,
int origin_pid,
int render_view_id) {
// TODO(jam): once we switch over to resource loading always happening in this
// code path, remove WebPluginResourceClient abstraction.
PluginStreamUrl* plugin_stream = instance()->CreateStream(
resource_id, url, std::string(), notify_id);
plugin_stream->SetPluginURLFetcher(new PluginURLFetcher(
plugin_stream, url, first_party_for_cookies, method, buf, len,
referrer, notify_redirects, is_plugin_src_load, origin_pid,
render_view_id, resource_id));
} // namespace content