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// Copyright (c) 2010 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 "remoting/client/plugin/chromoting_instance.h"
#include <string>
#include <vector>
#include "base/message_loop.h"
#include "base/string_util.h"
#include "base/thread.h"
#include "remoting/client/client_config.h"
#include "remoting/client/client_util.h"
#include "remoting/client/chromoting_client.h"
#include "remoting/client/host_connection.h"
#include "remoting/client/jingle_host_connection.h"
#include "remoting/client/rectangle_update_decoder.h"
#include "remoting/client/plugin/chromoting_scriptable_object.h"
#include "remoting/client/plugin/pepper_input_handler.h"
#include "remoting/client/plugin/pepper_view.h"
#include "remoting/jingle_glue/jingle_thread.h"
#include "third_party/ppapi/c/pp_input_event.h"
#include "third_party/ppapi/cpp/completion_callback.h"
#include "third_party/ppapi/cpp/rect.h"
namespace remoting {
const char* ChromotingInstance::kMimeType = "pepper-application/x-chromoting";
ChromotingInstance::ChromotingInstance(PP_Instance pp_instance)
: pp::Instance(pp_instance),
pepper_main_loop_dont_post_to_me_(NULL) {
}
ChromotingInstance::~ChromotingInstance() {
if (client_.get()) {
client_->Stop();
}
// TODO(ajwong): We need to ensure all objects have actually stopped posting
// to the message loop before this point. Right now, we don't have a well
// defined stop for the plugin process, and the thread shutdown is likely a
// race condition.
context_.Stop();
}
bool ChromotingInstance::Init(uint32_t argc,
const char* argn[],
const char* argv[]) {
CHECK(pepper_main_loop_dont_post_to_me_ == NULL);
// Record the current thread. This function should only be invoked by the
// plugin thread, so we capture the current message loop and assume it is
// indeed the plugin thread.
//
// We're abusing the pepper API slightly here. We know we're running as an
// internal plugin, and thus we are on the pepper main thread that uses a
// message loop.
//
// TODO(ajwong): See if there is a method for querying what thread we're on
// from inside the pepper API.
pepper_main_loop_dont_post_to_me_ = MessageLoop::current();
VLOG(1) << "Started ChromotingInstance::Init";
// Start all the threads.
context_.Start();
// Create the chromoting objects.
host_connection_.reset(new JingleHostConnection(&context_));
view_.reset(new PepperView(this, &context_));
rectangle_decoder_.reset(
new RectangleUpdateDecoder(context_.decode_message_loop(), view_.get()));
input_handler_.reset(new PepperInputHandler(&context_, host_connection_.get(),
view_.get()));
// Default to a medium grey.
view_->SetSolidFill(0xFFCDCDCD);
return true;
}
void ChromotingInstance::Connect(const ClientConfig& config) {
DCHECK(CurrentlyOnPluginThread());
client_.reset(new ChromotingClient(config,
&context_,
host_connection_.get(),
view_.get(),
rectangle_decoder_.get(),
input_handler_.get(),
NULL));
// Kick off the connection.
client_->Start();
GetScriptableObject()->SetConnectionInfo(STATUS_INITIALIZING,
QUALITY_UNKNOWN);
}
void ChromotingInstance::Disconnect() {
DCHECK(CurrentlyOnPluginThread());
if (client_.get()) {
client_->Stop();
}
GetScriptableObject()->SetConnectionInfo(STATUS_CLOSED, QUALITY_UNKNOWN);
}
void ChromotingInstance::ViewChanged(const pp::Rect& position,
const pp::Rect& clip) {
DCHECK(CurrentlyOnPluginThread());
// TODO(ajwong): This is going to be a race condition when the view changes
// and we're in the middle of a Paint().
VLOG(1) << "ViewChanged " << position.x() << "," << position.y() << ","
<< position.width() << "," << position.height();
view_->SetViewport(position.x(), position.y(),
position.width(), position.height());
view_->Paint();
}
bool ChromotingInstance::CurrentlyOnPluginThread() const {
return pepper_main_loop_dont_post_to_me_ == MessageLoop::current();
}
bool ChromotingInstance::HandleInputEvent(const PP_InputEvent& event) {
DCHECK(CurrentlyOnPluginThread());
PepperInputHandler* pih
= static_cast<PepperInputHandler*>(input_handler_.get());
switch (event.type) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
pih->HandleMouseButtonEvent(true, event.u.mouse);
return true;
case PP_INPUTEVENT_TYPE_MOUSEUP:
pih->HandleMouseButtonEvent(false, event.u.mouse);
return true;
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
case PP_INPUTEVENT_TYPE_MOUSEENTER:
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
pih->HandleMouseMoveEvent(event.u.mouse);
return true;
case PP_INPUTEVENT_TYPE_KEYDOWN:
case PP_INPUTEVENT_TYPE_KEYUP:
pih->HandleKeyEvent(event.type == PP_INPUTEVENT_TYPE_KEYDOWN,
event.u.key);
return true;
case PP_INPUTEVENT_TYPE_CHAR:
pih->HandleCharacterEvent(event.u.character);
return true;
default:
break;
}
return false;
}
ChromotingScriptableObject* ChromotingInstance::GetScriptableObject() {
pp::Var object = GetInstanceObject();
if (!object.is_undefined()) {
pp::deprecated::ScriptableObject* so = object.AsScriptableObject();
DCHECK(so != NULL);
return static_cast<ChromotingScriptableObject*>(so);
}
LOG(ERROR) << "Unable to get ScriptableObject for Chromoting plugin.";
return NULL;
}
pp::Var ChromotingInstance::GetInstanceObject() {
if (instance_object_.is_undefined()) {
ChromotingScriptableObject* object = new ChromotingScriptableObject(this);
object->Init();
// The pp::Var takes ownership of object here.
instance_object_ = pp::Var(object);
}
return instance_object_;
}
} // namespace remoting
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