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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/pepper_view.h"
#include "base/message_loop.h"
#include "remoting/client/decoder_verbatim.h"
#include "remoting/client/plugin/chromoting_plugin.h"
#include "remoting/client/plugin/pepper_util.h"
#include "third_party/ppapi/cpp/device_context_2d.h"
#include "third_party/ppapi/cpp/image_data.h"
#include "third_party/ppapi/cpp/point.h"
#include "third_party/ppapi/cpp/size.h"
namespace remoting {
PepperView::PepperView(ChromotingPlugin* plugin)
: plugin_(plugin),
backing_store_width_(0),
backing_store_height_(0),
viewport_x_(0),
viewport_y_(0),
viewport_width_(0),
viewport_height_(0),
is_static_fill_(false),
static_fill_color_(0) {
}
PepperView::~PepperView() {
}
void PepperView::Paint() {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(NewRunnableMethod(this, &PepperView::Paint));
return;
}
// TODO(ajwong): We shouldn't assume the image data format.
pp::ImageData image(PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(viewport_width_, viewport_height_),
false);
if (image.is_null()) {
LOG(ERROR) << "Unable to allocate image.";
return;
}
if (is_static_fill_) {
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_;
}
}
} else if (frame_) {
uint32_t* frame_data =
reinterpret_cast<uint32_t*>(frame_->data(media::VideoFrame::kRGBPlane));
int max_height = std::min(backing_store_height_, image.size().height());
int max_width = std::min(backing_store_width_, image.size().width());
for (int y = 0; y < max_height; y++) {
for (int x = 0; x < max_width; x++) {
// Force alpha to be set to 255.
*image.GetAddr32(pp::Point(x, y)) =
frame_data[y*backing_store_width_ + x] | 0xFF000000;
}
}
} else {
// Nothing to paint. escape!
//
// TODO(ajwong): This is an ugly control flow. fix.
return;
}
device_context_.ReplaceContents(&image);
device_context_.Flush(TaskToCompletionCallback(
NewRunnableMethod(this, &PepperView::OnPaintDone)));
}
void PepperView::SetSolidFill(uint32 color) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(
NewRunnableMethod(this, &PepperView::SetSolidFill, color));
return;
}
is_static_fill_ = true;
static_fill_color_ = color;
}
void PepperView::UnsetSolidFill() {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(
NewRunnableMethod(this, &PepperView::UnsetSolidFill));
return;
}
is_static_fill_ = false;
}
void PepperView::SetViewport(int x, int y, int width, int height) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(NewRunnableMethod(this, &PepperView::SetViewport,
x, y, width, height));
return;
}
// TODO(ajwong): Should we ignore x & y updates? What do those even mean?
// TODO(ajwong): What does viewport x, y mean to a plugin anyways?
viewport_x_ = x;
viewport_y_ = y;
viewport_width_ = width;
viewport_height_ = height;
device_context_ =
pp::DeviceContext2D(pp::Size(viewport_width_, viewport_height_), false);
if (!plugin_->BindGraphicsDeviceContext(device_context_)) {
LOG(ERROR) << "Couldn't bind the device context.";
return;
}
}
void PepperView::SetBackingStoreSize(int width, int height) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(NewRunnableMethod(this,
&PepperView::SetBackingStoreSize,
width, height));
return;
}
backing_store_width_ = width;
backing_store_height_ = height;
}
void PepperView::HandleBeginUpdateStream(HostMessage* msg) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(
NewRunnableMethod(this, &PepperView::HandleBeginUpdateStream,
msg));
return;
}
scoped_ptr<HostMessage> deleter(msg);
// TODO(hclam): Use the information from the message to create the decoder.
// We lazily construct the decoder.
if (!decoder_.get()) {
decoder_.reset(new DecoderVerbatim());
}
if (!frame_) {
media::VideoFrame::CreateFrame(media::VideoFrame::RGB32,
backing_store_width_,
backing_store_height_,
base::TimeDelta(), base::TimeDelta(),
&frame_);
}
// Tell the decoder to do start decoding.
decoder_->BeginDecode(frame_, &update_rects_,
NewRunnableMethod(this, &PepperView::OnPartialDecodeDone),
NewRunnableMethod(this, &PepperView::OnDecodeDone));
}
void PepperView::HandleUpdateStreamPacket(HostMessage* msg) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(
NewRunnableMethod(this, &PepperView::HandleUpdateStreamPacket,
msg));
return;
}
decoder_->PartialDecode(msg);
}
void PepperView::HandleEndUpdateStream(HostMessage* msg) {
if (!plugin_->CurrentlyOnPluginThread()) {
RunTaskOnPluginThread(
NewRunnableMethod(this, &PepperView::HandleEndUpdateStream,
msg));
return;
}
scoped_ptr<HostMessage> deleter(msg);
decoder_->EndDecode();
}
void PepperView::OnPaintDone() {
// TODO(ajwong):Probably should set some variable to allow repaints to
// actually paint.
return;
}
void PepperView::OnPartialDecodeDone() {
all_update_rects_.insert(all_update_rects_.begin() +
all_update_rects_.size(),
update_rects_.begin(), update_rects_.end());
Paint();
// TODO(ajwong): Need to block here to be synchronous.
}
void PepperView::OnDecodeDone() {
}
} // namespace remoting
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