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// Copyright (c) 2011 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/pepper_view.h"
#include "base/message_loop.h"
#include "ppapi/cpp/graphics_2d.h"
#include "ppapi/cpp/image_data.h"
#include "ppapi/cpp/point.h"
#include "ppapi/cpp/size.h"
#include "remoting/base/tracer.h"
#include "remoting/base/util.h"
#include "remoting/client/client_context.h"
#include "remoting/client/plugin/chromoting_instance.h"
#include "remoting/client/plugin/pepper_util.h"
namespace remoting {
PepperView::PepperView(ChromotingInstance* instance, ClientContext* context)
: instance_(instance),
context_(context),
viewport_width_(0),
viewport_height_(0),
is_static_fill_(false),
static_fill_color_(0),
ALLOW_THIS_IN_INITIALIZER_LIST(task_factory_(this)) {
}
PepperView::~PepperView() {
}
bool PepperView::Initialize() {
return true;
}
void PepperView::TearDown() {
DCHECK(instance_->CurrentlyOnPluginThread());
task_factory_.RevokeAll();
}
void PepperView::Paint() {
DCHECK(instance_->CurrentlyOnPluginThread());
TraceContext::tracer()->PrintString("Start Paint.");
// TODO(ajwong): We're assuming the native format is BGRA_PREMUL below. This
// is wrong.
if (is_static_fill_) {
LOG(ERROR) << "Static filling " << static_fill_color_;
pp::ImageData image(instance_, pp::ImageData::GetNativeImageDataFormat(),
pp::Size(viewport_width_, viewport_height_),
false);
if (image.is_null()) {
LOG(ERROR) << "Unable to allocate image of size: "
<< viewport_width_ << "x" << viewport_height_;
return;
}
for (int y = 0; y < image.size().height(); y++) {
for (int x = 0; x < image.size().width(); x++) {
*image.GetAddr32(pp::Point(x, y)) = static_fill_color_;
}
}
// For ReplaceContents, make sure the image size matches the device context
// size! Otherwise, this will just silently do nothing.
graphics2d_.ReplaceContents(&image);
graphics2d_.Flush(TaskToCompletionCallback(
task_factory_.NewRunnableMethod(&PepperView::OnPaintDone)));
} else {
// TODO(ajwong): We need to keep a backing store image of the viewport that
// has the data here which can be redrawn.
return;
}
TraceContext::tracer()->PrintString("End Paint.");
}
void PepperView::PaintFrame(media::VideoFrame* frame, UpdatedRects* rects) {
DCHECK(instance_->CurrentlyOnPluginThread());
TraceContext::tracer()->PrintString("Start Paint Frame.");
SetViewport(0, 0, frame->width(), frame->height());
uint8* frame_data = frame->data(media::VideoFrame::kRGBPlane);
const int kFrameStride = frame->stride(media::VideoFrame::kRGBPlane);
const int kBytesPerPixel = GetBytesPerPixel(media::VideoFrame::RGB32);
for (size_t i = 0; i < rects->size(); ++i) {
// TODO(ajwong): We're assuming the native format is BGRA_PREMUL below. This
// is wrong.
const gfx::Rect& r = (*rects)[i];
// TODO(hclam): Make sure rectangles are valid.
if (r.width() <= 0 || r.height() <= 0)
continue;
pp::ImageData image(instance_, pp::ImageData::GetNativeImageDataFormat(),
pp::Size(r.width(), r.height()),
false);
if (image.is_null()) {
LOG(ERROR) << "Unable to allocate image of size: "
<< r.width() << "x" << r.height();
return;
}
// Copy pixel data into |image|.
uint8* in = frame_data + kFrameStride * r.y() + kBytesPerPixel * r.x();
uint8* out = reinterpret_cast<uint8*>(image.data());
for (int j = 0; j < r.height(); ++j) {
memcpy(out, in, r.width() * kBytesPerPixel);
in += kFrameStride;
out += image.stride();
}
graphics2d_.PaintImageData(image, pp::Point(r.x(), r.y()));
}
graphics2d_.Flush(TaskToCompletionCallback(
task_factory_.NewRunnableMethod(&PepperView::OnPaintDone)));
TraceContext::tracer()->PrintString("End Paint Frame.");
}
void PepperView::SetSolidFill(uint32 color) {
DCHECK(instance_->CurrentlyOnPluginThread());
is_static_fill_ = true;
static_fill_color_ = color;
}
void PepperView::UnsetSolidFill() {
DCHECK(instance_->CurrentlyOnPluginThread());
is_static_fill_ = false;
}
void PepperView::SetConnectionState(ConnectionState state) {
DCHECK(instance_->CurrentlyOnPluginThread());
// TODO(hclam): Re-consider the way we communicate with Javascript.
ChromotingScriptableObject* scriptable_obj = instance_->GetScriptableObject();
switch (state) {
case CREATED:
SetSolidFill(kCreatedColor);
scriptable_obj->SetConnectionInfo(STATUS_CONNECTING, QUALITY_UNKNOWN);
break;
case CONNECTED:
UnsetSolidFill();
scriptable_obj->SignalLoginChallenge();
break;
case DISCONNECTED:
SetSolidFill(kDisconnectedColor);
scriptable_obj->SetConnectionInfo(STATUS_CLOSED, QUALITY_UNKNOWN);
break;
case FAILED:
SetSolidFill(kFailedColor);
scriptable_obj->SetConnectionInfo(STATUS_FAILED, QUALITY_UNKNOWN);
break;
}
}
void PepperView::UpdateLoginStatus(bool success, const std::string& info) {
DCHECK(instance_->CurrentlyOnPluginThread());
// TODO(hclam): Re-consider the way we communicate with Javascript.
ChromotingScriptableObject* scriptable_obj = instance_->GetScriptableObject();
if (success)
scriptable_obj->SetConnectionInfo(STATUS_CONNECTED, QUALITY_UNKNOWN);
else
scriptable_obj->SignalLoginChallenge();
}
void PepperView::SetViewport(int x, int y, int width, int height) {
DCHECK(instance_->CurrentlyOnPluginThread());
if ((width == viewport_width_) && (height == viewport_height_))
return;
viewport_width_ = width;
viewport_height_ = height;
graphics2d_ = pp::Graphics2D(instance_,
pp::Size(viewport_width_, viewport_height_),
false);
if (!instance_->BindGraphics(graphics2d_)) {
LOG(ERROR) << "Couldn't bind the device context.";
return;
}
instance_->GetScriptableObject()->SetDesktopSize(width, height);
}
void PepperView::AllocateFrame(media::VideoFrame::Format format,
size_t width,
size_t height,
base::TimeDelta timestamp,
base::TimeDelta duration,
scoped_refptr<media::VideoFrame>* frame_out,
Task* done) {
DCHECK(instance_->CurrentlyOnPluginThread());
// TODO(ajwong): Implement this to be backed by an pp::ImageData rather than
// generic memory.
media::VideoFrame::CreateFrame(media::VideoFrame::RGB32,
width, height,
base::TimeDelta(), base::TimeDelta(),
frame_out);
if (*frame_out) {
(*frame_out)->AddRef();
}
done->Run();
delete done;
}
void PepperView::ReleaseFrame(media::VideoFrame* frame) {
DCHECK(instance_->CurrentlyOnPluginThread());
if (frame) {
LOG(WARNING) << "Frame released.";
frame->Release();
}
}
void PepperView::OnPartialFrameOutput(media::VideoFrame* frame,
UpdatedRects* rects,
Task* done) {
DCHECK(instance_->CurrentlyOnPluginThread());
TraceContext::tracer()->PrintString("Calling PaintFrame");
// TODO(ajwong): Clean up this API to be async so we don't need to use a
// member variable as a hack.
PaintFrame(frame, rects);
done->Run();
delete done;
}
void PepperView::OnPaintDone() {
DCHECK(instance_->CurrentlyOnPluginThread());
// TODO(ajwong):Probably should set some variable to allow repaints to
// actually paint.
TraceContext::tracer()->PrintString("Paint flushed");
return;
}
} // namespace remoting
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