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chromium / chromium / src.git / 15.0.874.93 / . / webkit / plugins / ppapi / ppapi_plugin_instance.cc
blob: d82ac53d64604becb1fadc0b568cf11ad39a2f3b [file] [log] [blame]
// 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 "webkit/plugins/ppapi/ppapi_plugin_instance.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/metrics/histogram.h"
#include "base/utf_string_conversions.h"
#include "ppapi/c/dev/ppb_find_dev.h"
#include "ppapi/c/dev/ppb_fullscreen_dev.h"
#include "ppapi/c/dev/ppb_memory_dev.h"
#include "ppapi/c/dev/ppb_zoom_dev.h"
#include "ppapi/c/dev/ppp_find_dev.h"
#include "ppapi/c/dev/ppp_policy_update_dev.h"
#include "ppapi/c/dev/ppp_selection_dev.h"
#include "ppapi/c/dev/ppp_zoom_dev.h"
#include "ppapi/c/pp_input_event.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_rect.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/c/ppb_instance.h"
#include "ppapi/c/ppp_input_event.h"
#include "ppapi/c/ppp_instance.h"
#include "ppapi/c/ppp_messaging.h"
#include "ppapi/c/private/ppb_instance_private.h"
#include "ppapi/c/private/ppp_instance_private.h"
#include "ppapi/shared_impl/input_event_impl.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_buffer_api.h"
#include "printing/units.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/skia_util.h"
#include "webkit/plugins/ppapi/common.h"
#include "webkit/plugins/ppapi/event_conversion.h"
#include "webkit/plugins/ppapi/fullscreen_container.h"
#include "webkit/plugins/ppapi/message_channel.h"
#include "webkit/plugins/ppapi/npapi_glue.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
#include "webkit/plugins/ppapi/plugin_module.h"
#include "webkit/plugins/ppapi/plugin_object.h"
#include "webkit/plugins/ppapi/ppb_buffer_impl.h"
#include "webkit/plugins/ppapi/ppb_graphics_2d_impl.h"
#include "webkit/plugins/ppapi/ppb_graphics_3d_impl.h"
#include "webkit/plugins/ppapi/ppb_image_data_impl.h"
#include "webkit/plugins/ppapi/ppb_surface_3d_impl.h"
#include "webkit/plugins/ppapi/ppb_url_loader_impl.h"
#include "webkit/plugins/ppapi/ppb_url_request_info_impl.h"
#include "webkit/plugins/ppapi/ppp_pdf.h"
#include "webkit/plugins/ppapi/resource_tracker.h"
#include "webkit/plugins/ppapi/string.h"
#include "webkit/plugins/sad_plugin.h"
#if defined(OS_MACOSX)
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "printing/metafile_impl.h"
#endif
#if defined(USE_SKIA)
#include "printing/metafile.h"
#include "printing/metafile_skia_wrapper.h"
#endif
#if defined(OS_WIN)
#include "skia/ext/vector_platform_device_emf_win.h"
#include "ui/gfx/codec/jpeg_codec.h"
#include "ui/gfx/gdi_util.h"
#endif
#if defined(OS_MACOSX) && defined(USE_SKIA)
#include "skia/ext/skia_utils_mac.h"
#endif
using ppapi::InputEventImpl;
using ppapi::StringVar;
using ppapi::thunk::EnterResourceNoLock;
using ppapi::thunk::PPB_Buffer_API;
using ppapi::thunk::PPB_Graphics2D_API;
using ppapi::thunk::PPB_Graphics3D_API;
using ppapi::thunk::PPB_ImageData_API;
using ppapi::thunk::PPB_Instance_FunctionAPI;
using ppapi::thunk::PPB_Surface3D_API;
using ppapi::Var;
using WebKit::WebBindings;
using WebKit::WebCanvas;
using WebKit::WebCursorInfo;
using WebKit::WebDocument;
using WebKit::WebFrame;
using WebKit::WebInputEvent;
using WebKit::WebPluginContainer;
using WebKit::WebString;
using WebKit::WebURLRequest;
using WebKit::WebView;
namespace webkit {
namespace ppapi {
#if defined(OS_WIN)
// Exported by pdf.dll
typedef bool (*RenderPDFPageToDCProc)(
const unsigned char* pdf_buffer, int buffer_size, int page_number, HDC dc,
int dpi_x, int dpi_y, int bounds_origin_x, int bounds_origin_y,
int bounds_width, int bounds_height, bool fit_to_bounds,
bool stretch_to_bounds, bool keep_aspect_ratio, bool center_in_bounds);
#endif // defined(OS_WIN)
namespace {
#define COMPILE_ASSERT_MATCHING_ENUM(webkit_name, np_name) \
COMPILE_ASSERT(static_cast<int>(WebCursorInfo::webkit_name) \
== static_cast<int>(np_name), \
mismatching_enums)
COMPILE_ASSERT_MATCHING_ENUM(TypePointer, PP_CURSORTYPE_POINTER);
COMPILE_ASSERT_MATCHING_ENUM(TypeCross, PP_CURSORTYPE_CROSS);
COMPILE_ASSERT_MATCHING_ENUM(TypeHand, PP_CURSORTYPE_HAND);
COMPILE_ASSERT_MATCHING_ENUM(TypeIBeam, PP_CURSORTYPE_IBEAM);
COMPILE_ASSERT_MATCHING_ENUM(TypeWait, PP_CURSORTYPE_WAIT);
COMPILE_ASSERT_MATCHING_ENUM(TypeHelp, PP_CURSORTYPE_HELP);
COMPILE_ASSERT_MATCHING_ENUM(TypeEastResize, PP_CURSORTYPE_EASTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthResize, PP_CURSORTYPE_NORTHRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastResize,
PP_CURSORTYPE_NORTHEASTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestResize,
PP_CURSORTYPE_NORTHWESTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthResize, PP_CURSORTYPE_SOUTHRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthEastResize,
PP_CURSORTYPE_SOUTHEASTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthWestResize,
PP_CURSORTYPE_SOUTHWESTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeWestResize, PP_CURSORTYPE_WESTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthSouthResize,
PP_CURSORTYPE_NORTHSOUTHRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeEastWestResize, PP_CURSORTYPE_EASTWESTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastSouthWestResize,
PP_CURSORTYPE_NORTHEASTSOUTHWESTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestSouthEastResize,
PP_CURSORTYPE_NORTHWESTSOUTHEASTRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeColumnResize, PP_CURSORTYPE_COLUMNRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeRowResize, PP_CURSORTYPE_ROWRESIZE);
COMPILE_ASSERT_MATCHING_ENUM(TypeMiddlePanning, PP_CURSORTYPE_MIDDLEPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeEastPanning, PP_CURSORTYPE_EASTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthPanning, PP_CURSORTYPE_NORTHPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastPanning,
PP_CURSORTYPE_NORTHEASTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestPanning,
PP_CURSORTYPE_NORTHWESTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthPanning, PP_CURSORTYPE_SOUTHPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthEastPanning,
PP_CURSORTYPE_SOUTHEASTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeSouthWestPanning,
PP_CURSORTYPE_SOUTHWESTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeWestPanning, PP_CURSORTYPE_WESTPANNING);
COMPILE_ASSERT_MATCHING_ENUM(TypeMove, PP_CURSORTYPE_MOVE);
COMPILE_ASSERT_MATCHING_ENUM(TypeVerticalText, PP_CURSORTYPE_VERTICALTEXT);
COMPILE_ASSERT_MATCHING_ENUM(TypeCell, PP_CURSORTYPE_CELL);
COMPILE_ASSERT_MATCHING_ENUM(TypeContextMenu, PP_CURSORTYPE_CONTEXTMENU);
COMPILE_ASSERT_MATCHING_ENUM(TypeAlias, PP_CURSORTYPE_ALIAS);
COMPILE_ASSERT_MATCHING_ENUM(TypeProgress, PP_CURSORTYPE_PROGRESS);
COMPILE_ASSERT_MATCHING_ENUM(TypeNoDrop, PP_CURSORTYPE_NODROP);
COMPILE_ASSERT_MATCHING_ENUM(TypeCopy, PP_CURSORTYPE_COPY);
COMPILE_ASSERT_MATCHING_ENUM(TypeNone, PP_CURSORTYPE_NONE);
COMPILE_ASSERT_MATCHING_ENUM(TypeNotAllowed, PP_CURSORTYPE_NOTALLOWED);
COMPILE_ASSERT_MATCHING_ENUM(TypeZoomIn, PP_CURSORTYPE_ZOOMIN);
COMPILE_ASSERT_MATCHING_ENUM(TypeZoomOut, PP_CURSORTYPE_ZOOMOUT);
COMPILE_ASSERT_MATCHING_ENUM(TypeGrab, PP_CURSORTYPE_GRAB);
COMPILE_ASSERT_MATCHING_ENUM(TypeGrabbing, PP_CURSORTYPE_GRABBING);
// Do not assert WebCursorInfo::TypeCustom == PP_CURSORTYPE_CUSTOM;
// PP_CURSORTYPE_CUSTOM is pinned to allow new cursor types.
void RectToPPRect(const gfx::Rect& input, PP_Rect* output) {
*output = PP_MakeRectFromXYWH(input.x(), input.y(),
input.width(), input.height());
}
} // namespace
// static
PluginInstance* PluginInstance::Create1_0(PluginDelegate* delegate,
PluginModule* module,
const void* ppp_instance_if_1_0) {
const PPP_Instance_1_0* interface =
static_cast<const PPP_Instance_1_0*>(ppp_instance_if_1_0);
return new PluginInstance(
delegate,
module,
new ::ppapi::PPP_Instance_Combined(*interface));
}
PluginInstance::PluginInstance(
PluginDelegate* delegate,
PluginModule* module,
::ppapi::PPP_Instance_Combined* instance_interface)
: delegate_(delegate),
module_(module),
instance_interface_(instance_interface),
pp_instance_(0),
container_(NULL),
full_frame_(false),
sent_did_change_view_(false),
has_webkit_focus_(false),
has_content_area_focus_(false),
find_identifier_(-1),
plugin_find_interface_(NULL),
plugin_messaging_interface_(NULL),
plugin_input_event_interface_(NULL),
plugin_private_interface_(NULL),
plugin_pdf_interface_(NULL),
plugin_policy_updated_interface_(NULL),
plugin_selection_interface_(NULL),
plugin_zoom_interface_(NULL),
checked_for_plugin_input_event_interface_(false),
checked_for_plugin_messaging_interface_(false),
plugin_print_interface_(NULL),
plugin_graphics_3d_interface_(NULL),
always_on_top_(false),
fullscreen_container_(NULL),
fullscreen_(false),
message_channel_(NULL),
sad_plugin_(NULL),
input_event_mask_(0),
filtered_input_event_mask_(0) {
pp_instance_ = ResourceTracker::Get()->AddInstance(this);
memset(&current_print_settings_, 0, sizeof(current_print_settings_));
DCHECK(delegate);
module_->InstanceCreated(this);
delegate_->InstanceCreated(this);
message_channel_.reset(new MessageChannel(this));
}
PluginInstance::~PluginInstance() {
// Free all the plugin objects. This will automatically clear the back-
// pointer from the NPObject so WebKit can't call into the plugin any more.
//
// Swap out the set so we can delete from it (the objects will try to
// unregister themselves inside the delete call).
PluginObjectSet plugin_object_copy;
live_plugin_objects_.swap(plugin_object_copy);
for (PluginObjectSet::iterator i = plugin_object_copy.begin();
i != plugin_object_copy.end(); ++i)
delete *i;
delegate_->InstanceDeleted(this);
module_->InstanceDeleted(this);
ResourceTracker::Get()->InstanceDeleted(pp_instance_);
}
// NOTE: Any of these methods that calls into the plugin needs to take into
// account that the plugin may use Var to remove the <embed> from the DOM, which
// will make the WebPluginImpl drop its reference, usually the last one. If a
// method needs to access a member of the instance after the call has returned,
// then it needs to keep its own reference on the stack.
void PluginInstance::Delete() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
instance_interface_->DidDestroy(pp_instance());
if (fullscreen_container_) {
fullscreen_container_->Destroy();
fullscreen_container_ = NULL;
}
container_ = NULL;
}
void PluginInstance::Paint(WebCanvas* canvas,
const gfx::Rect& plugin_rect,
const gfx::Rect& paint_rect) {
if (module()->is_crashed()) {
// Crashed plugin painting.
if (!sad_plugin_) // Lazily initialize bitmap.
sad_plugin_ = delegate_->GetSadPluginBitmap();
if (sad_plugin_)
webkit::PaintSadPlugin(canvas, plugin_rect, *sad_plugin_);
return;
}
if (GetBoundGraphics2D())
GetBoundGraphics2D()->Paint(canvas, plugin_rect, paint_rect);
}
void PluginInstance::InvalidateRect(const gfx::Rect& rect) {
if (fullscreen_container_) {
if (rect.IsEmpty())
fullscreen_container_->Invalidate();
else
fullscreen_container_->InvalidateRect(rect);
} else {
if (!container_ || position_.IsEmpty())
return; // Nothing to do.
if (rect.IsEmpty())
container_->invalidate();
else
container_->invalidateRect(rect);
}
}
void PluginInstance::ScrollRect(int dx, int dy, const gfx::Rect& rect) {
if (fullscreen_container_) {
fullscreen_container_->ScrollRect(dx, dy, rect);
} else {
if (full_frame_ && !IsViewAccelerated()) {
container_->scrollRect(dx, dy, rect);
} else {
// Can't do optimized scrolling since there could be other elements on top
// of us or the view renders via the accelerated compositor which is
// incompatible with the move and backfill scrolling model.
InvalidateRect(rect);
}
}
}
unsigned PluginInstance::GetBackingTextureId() {
if (GetBoundGraphics3D())
return GetBoundGraphics3D()->GetBackingTextureId();
else if (GetBoundSurface3D())
return GetBoundSurface3D()->GetBackingTextureId();
return 0;
}
void PluginInstance::CommitBackingTexture() {
if (fullscreen_container_)
fullscreen_container_->Invalidate();
else if (container_)
container_->commitBackingTexture();
}
void PluginInstance::InstanceCrashed() {
// Force free all resources and vars.
ResourceTracker::Get()->InstanceCrashed(pp_instance());
// Free any associated graphics.
SetFullscreen(false, false);
bound_graphics_ = NULL;
InvalidateRect(gfx::Rect());
delegate()->PluginCrashed(this);
}
bool PluginInstance::SetCursor(PP_CursorType_Dev type,
PP_Resource custom_image,
const PP_Point* hot_spot) {
if (type != PP_CURSORTYPE_CUSTOM) {
DoSetCursor(new WebCursorInfo(static_cast<WebCursorInfo::Type>(type)));
return true;
}
if (!hot_spot)
return false;
EnterResourceNoLock<PPB_ImageData_API> enter(custom_image, true);
if (enter.failed())
return false;
PPB_ImageData_Impl* image_data =
static_cast<PPB_ImageData_Impl*>(enter.object());
if (image_data->format() != PPB_ImageData_Impl::GetNativeImageDataFormat()) {
// TODO(yzshen): Handle the case that the image format is different from the
// native format.
NOTIMPLEMENTED();
return false;
}
ImageDataAutoMapper auto_mapper(image_data);
if (!auto_mapper.is_valid())
return false;
scoped_ptr<WebCursorInfo> custom_cursor(
new WebCursorInfo(WebCursorInfo::TypeCustom));
custom_cursor->hotSpot.x = hot_spot->x;
custom_cursor->hotSpot.y = hot_spot->y;
#if WEBKIT_USING_SKIA
const SkBitmap* bitmap = image_data->GetMappedBitmap();
// Make a deep copy, so that the cursor remains valid even after the original
// image data gets freed.
if (!bitmap->copyTo(&custom_cursor->customImage.getSkBitmap(),
bitmap->config())) {
return false;
}
#elif WEBKIT_USING_CG
// TODO(yzshen): Implement it.
NOTIMPLEMENTED();
return false;
#endif
DoSetCursor(custom_cursor.release());
return true;
}
bool PluginInstance::Initialize(WebPluginContainer* container,
const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values,
const GURL& plugin_url,
bool full_frame) {
container_ = container;
plugin_url_ = plugin_url;
full_frame_ = full_frame;
size_t argc = 0;
scoped_array<const char*> argn(new const char*[arg_names.size()]);
scoped_array<const char*> argv(new const char*[arg_names.size()]);
for (size_t i = 0; i < arg_names.size(); ++i) {
argn[argc] = arg_names[i].c_str();
argv[argc] = arg_values[i].c_str();
argc++;
}
return PP_ToBool(instance_interface_->DidCreate(pp_instance(),
argc,
argn.get(),
argv.get()));
}
bool PluginInstance::HandleDocumentLoad(PPB_URLLoader_Impl* loader) {
return PP_ToBool(instance_interface_->HandleDocumentLoad(
pp_instance(), loader->pp_resource()));
}
bool PluginInstance::HandleInputEvent(const WebKit::WebInputEvent& event,
WebCursorInfo* cursor_info) {
// Don't dispatch input events to crashed plugins.
if (module()->is_crashed())
return false;
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
bool rv = false;
if (LoadInputEventInterface()) {
PP_InputEvent_Class event_class = ClassifyInputEvent(event.type);
if (!event_class)
return false;
if ((filtered_input_event_mask_ & event_class) ||
(input_event_mask_ & event_class)) {
// Actually send the event.
std::vector< ::ppapi::InputEventData > events;
CreateInputEventData(event, &events);
// Each input event may generate more than one PP_InputEvent.
for (size_t i = 0; i < events.size(); i++) {
if (filtered_input_event_mask_ & event_class)
events[i].is_filtered = true;
else
rv = true; // Unfiltered events are assumed to be handled.
scoped_refptr<InputEventImpl> event_resource(
new InputEventImpl(InputEventImpl::InitAsImpl(),
pp_instance(), events[i]));
rv |= PP_ToBool(plugin_input_event_interface_->HandleInputEvent(
pp_instance(), event_resource->pp_resource()));
}
}
}
if (cursor_.get())
*cursor_info = *cursor_;
return rv;
}
void PluginInstance::HandlePolicyUpdate(const std::string& policy_json) {
if (!LoadPolicyUpdateInterface())
return;
plugin_policy_updated_interface_->PolicyUpdated(
pp_instance(),
StringVar::StringToPPVar(module()->pp_module(), policy_json));
}
void PluginInstance::HandleMessage(PP_Var message) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadMessagingInterface())
return;
plugin_messaging_interface_->HandleMessage(pp_instance(), message);
}
PP_Var PluginInstance::GetInstanceObject() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
// If the plugin supports the private instance interface, try to retrieve its
// instance object.
if (LoadPrivateInterface())
return plugin_private_interface_->GetInstanceObject(pp_instance());
return PP_MakeUndefined();
}
void PluginInstance::ViewChanged(const gfx::Rect& position,
const gfx::Rect& clip) {
// WebKit can give weird (x,y) positions for empty clip rects (since the
// position technically doesn't matter). But we want to make these
// consistent since this is given to the plugin, so force everything to 0
// in the "everything is clipped" case.
gfx::Rect new_clip;
if (!clip.IsEmpty())
new_clip = clip;
// Don't notify the plugin if we've already sent these same params before.
if (sent_did_change_view_ && position == position_ && new_clip == clip_)
return;
sent_did_change_view_ = true;
position_ = position;
clip_ = new_clip;
fullscreen_ = (fullscreen_container_ != NULL);
PP_Rect pp_position, pp_clip;
RectToPPRect(position_, &pp_position);
RectToPPRect(clip_, &pp_clip);
instance_interface_->DidChangeView(pp_instance(), &pp_position, &pp_clip);
}
void PluginInstance::SetWebKitFocus(bool has_focus) {
if (has_webkit_focus_ == has_focus)
return;
bool old_plugin_focus = PluginHasFocus();
has_webkit_focus_ = has_focus;
if (PluginHasFocus() != old_plugin_focus) {
delegate()->PluginFocusChanged(PluginHasFocus());
instance_interface_->DidChangeFocus(pp_instance(),
PP_FromBool(PluginHasFocus()));
}
}
void PluginInstance::SetContentAreaFocus(bool has_focus) {
if (has_content_area_focus_ == has_focus)
return;
bool old_plugin_focus = PluginHasFocus();
has_content_area_focus_ = has_focus;
if (PluginHasFocus() != old_plugin_focus) {
instance_interface_->DidChangeFocus(pp_instance(),
PP_FromBool(PluginHasFocus()));
}
}
void PluginInstance::ViewInitiatedPaint() {
if (GetBoundGraphics2D())
GetBoundGraphics2D()->ViewInitiatedPaint();
else if (GetBoundGraphics3D())
GetBoundGraphics3D()->ViewInitiatedPaint();
else if (GetBoundSurface3D())
GetBoundSurface3D()->ViewInitiatedPaint();
}
void PluginInstance::ViewFlushedPaint() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (GetBoundGraphics2D())
GetBoundGraphics2D()->ViewFlushedPaint();
else if (GetBoundGraphics3D())
GetBoundGraphics3D()->ViewFlushedPaint();
else if (GetBoundSurface3D())
GetBoundSurface3D()->ViewFlushedPaint();
}
bool PluginInstance::GetBitmapForOptimizedPluginPaint(
const gfx::Rect& paint_bounds,
TransportDIB** dib,
gfx::Rect* location,
gfx::Rect* clip) {
if (!always_on_top_)
return false;
if (!GetBoundGraphics2D() || !GetBoundGraphics2D()->is_always_opaque())
return false;
// We specifically want to compare against the area covered by the backing
// store when seeing if we cover the given paint bounds, since the backing
// store could be smaller than the declared plugin area.
PPB_ImageData_Impl* image_data = GetBoundGraphics2D()->image_data();
gfx::Rect plugin_backing_store_rect(position_.origin(),
gfx::Size(image_data->width(),
image_data->height()));
gfx::Rect clip_page(clip_);
clip_page.Offset(position_.origin());
gfx::Rect plugin_paint_rect = plugin_backing_store_rect.Intersect(clip_page);
if (!plugin_paint_rect.Contains(paint_bounds))
return false;
*dib = image_data->platform_image()->GetTransportDIB();
*location = plugin_backing_store_rect;
*clip = clip_page;
return true;
}
string16 PluginInstance::GetSelectedText(bool html) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadSelectionInterface())
return string16();
PP_Var rv = plugin_selection_interface_->GetSelectedText(pp_instance(),
PP_FromBool(html));
StringVar* string = StringVar::FromPPVar(rv);
string16 selection;
if (string)
selection = UTF8ToUTF16(string->value());
// Release the ref the plugin transfered to us.
ResourceTracker::Get()->GetVarTracker()->ReleaseVar(rv);
return selection;
}
string16 PluginInstance::GetLinkAtPosition(const gfx::Point& point) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadPdfInterface())
return string16();
PP_Point p;
p.x = point.x();
p.y = point.y();
PP_Var rv = plugin_pdf_interface_->GetLinkAtPosition(pp_instance(), p);
StringVar* string = StringVar::FromPPVar(rv);
string16 link;
if (string)
link = UTF8ToUTF16(string->value());
// Release the ref the plugin transfered to us.
ResourceTracker::Get()->GetVarTracker()->ReleaseVar(rv);
return link;
}
void PluginInstance::Zoom(double factor, bool text_only) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadZoomInterface())
return;
plugin_zoom_interface_->Zoom(pp_instance(), factor, PP_FromBool(text_only));
}
bool PluginInstance::StartFind(const string16& search_text,
bool case_sensitive,
int identifier) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadFindInterface())
return false;
find_identifier_ = identifier;
return PP_ToBool(
plugin_find_interface_->StartFind(
pp_instance(),
UTF16ToUTF8(search_text.c_str()).c_str(),
PP_FromBool(case_sensitive)));
}
void PluginInstance::SelectFindResult(bool forward) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (LoadFindInterface())
plugin_find_interface_->SelectFindResult(pp_instance(),
PP_FromBool(forward));
}
void PluginInstance::StopFind() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadFindInterface())
return;
find_identifier_ = -1;
plugin_find_interface_->StopFind(pp_instance());
}
bool PluginInstance::LoadFindInterface() {
if (!plugin_find_interface_) {
plugin_find_interface_ =
static_cast<const PPP_Find_Dev*>(module_->GetPluginInterface(
PPP_FIND_DEV_INTERFACE));
}
return !!plugin_find_interface_;
}
bool PluginInstance::LoadInputEventInterface() {
if (!checked_for_plugin_input_event_interface_) {
checked_for_plugin_input_event_interface_ = true;
plugin_input_event_interface_ =
static_cast<const PPP_InputEvent*>(module_->GetPluginInterface(
PPP_INPUT_EVENT_INTERFACE));
}
return !!plugin_input_event_interface_;
}
bool PluginInstance::LoadMessagingInterface() {
if (!checked_for_plugin_messaging_interface_) {
checked_for_plugin_messaging_interface_ = true;
plugin_messaging_interface_ =
static_cast<const PPP_Messaging*>(module_->GetPluginInterface(
PPP_MESSAGING_INTERFACE_1_0));
}
return !!plugin_messaging_interface_;
}
bool PluginInstance::LoadPdfInterface() {
if (!plugin_pdf_interface_) {
plugin_pdf_interface_ =
static_cast<const PPP_Pdf*>(module_->GetPluginInterface(
PPP_PDF_INTERFACE));
}
return !!plugin_pdf_interface_;
}
bool PluginInstance::LoadPolicyUpdateInterface() {
if (!plugin_policy_updated_interface_) {
plugin_policy_updated_interface_ =
static_cast<const PPP_PolicyUpdate_Dev*>(module_->GetPluginInterface(
PPP_POLICY_UPDATE_DEV_INTERFACE));
}
return !!plugin_policy_updated_interface_;
}
bool PluginInstance::LoadPrintInterface() {
if (!plugin_print_interface_) {
plugin_print_interface_ = static_cast<const PPP_Printing_Dev*>(
module_->GetPluginInterface(PPP_PRINTING_DEV_INTERFACE));
}
return !!plugin_print_interface_;
}
bool PluginInstance::LoadPrivateInterface() {
if (!plugin_private_interface_) {
plugin_private_interface_ = static_cast<const PPP_Instance_Private*>(
module_->GetPluginInterface(PPP_INSTANCE_PRIVATE_INTERFACE));
}
return !!plugin_private_interface_;
}
bool PluginInstance::LoadSelectionInterface() {
if (!plugin_selection_interface_) {
plugin_selection_interface_ =
static_cast<const PPP_Selection_Dev*>(module_->GetPluginInterface(
PPP_SELECTION_DEV_INTERFACE));
}
return !!plugin_selection_interface_;
}
bool PluginInstance::LoadZoomInterface() {
if (!plugin_zoom_interface_) {
plugin_zoom_interface_ =
static_cast<const PPP_Zoom_Dev*>(module_->GetPluginInterface(
PPP_ZOOM_DEV_INTERFACE));
}
return !!plugin_zoom_interface_;
}
bool PluginInstance::PluginHasFocus() const {
return has_webkit_focus_ && has_content_area_focus_;
}
void PluginInstance::ReportGeometry() {
// If this call was delayed, we may have transitioned back to fullscreen in
// the mean time, so only report the geometry if we are actually in normal
// mode.
if (container_ && !fullscreen_container_)
container_->reportGeometry();
}
bool PluginInstance::GetPreferredPrintOutputFormat(
PP_PrintOutputFormat_Dev* format) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
if (!LoadPrintInterface())
return false;
uint32_t supported_formats =
plugin_print_interface_->QuerySupportedFormats(pp_instance());
if (supported_formats & PP_PRINTOUTPUTFORMAT_PDF) {
*format = PP_PRINTOUTPUTFORMAT_PDF;
return true;
} else if (supported_formats & PP_PRINTOUTPUTFORMAT_RASTER) {
*format = PP_PRINTOUTPUTFORMAT_RASTER;
return true;
}
return false;
}
bool PluginInstance::SupportsPrintInterface() {
PP_PrintOutputFormat_Dev format;
return GetPreferredPrintOutputFormat(&format);
}
int PluginInstance::PrintBegin(const gfx::Rect& printable_area,
int printer_dpi) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
PP_PrintOutputFormat_Dev format;
if (!GetPreferredPrintOutputFormat(&format)) {
// PrintBegin should not have been called since SupportsPrintInterface
// would have returned false;
NOTREACHED();
return 0;
}
int num_pages = 0;
PP_PrintSettings_Dev print_settings;
RectToPPRect(printable_area, &print_settings.printable_area);
print_settings.dpi = printer_dpi;
print_settings.orientation = PP_PRINTORIENTATION_NORMAL;
print_settings.grayscale = PP_FALSE;
print_settings.format = format;
num_pages = plugin_print_interface_->Begin(pp_instance(),
&print_settings);
if (!num_pages)
return 0;
current_print_settings_ = print_settings;
#if defined(OS_LINUX) || defined(OS_WIN)
canvas_ = NULL;
ranges_.clear();
#endif // OS_LINUX || OS_WIN
return num_pages;
}
bool PluginInstance::PrintPage(int page_number, WebKit::WebCanvas* canvas) {
DCHECK(plugin_print_interface_);
PP_PrintPageNumberRange_Dev page_range;
page_range.first_page_number = page_range.last_page_number = page_number;
#if defined(OS_LINUX) || defined(OS_WIN)
// The canvas only has a metafile on it for print preview.
if (printing::MetafileSkiaWrapper::GetMetafileFromCanvas(canvas)) {
ranges_.push_back(page_range);
canvas_ = canvas;
return true;
} else
#endif // OS_LINUX || OS_WIN
{
return PrintPageHelper(&page_range, 1, canvas);
}
}
bool PluginInstance::PrintPageHelper(PP_PrintPageNumberRange_Dev* page_ranges,
int num_ranges,
WebKit::WebCanvas* canvas) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
PP_Resource print_output = plugin_print_interface_->PrintPages(
pp_instance(), page_ranges, num_ranges);
if (!print_output)
return false;
bool ret = false;
if (current_print_settings_.format == PP_PRINTOUTPUTFORMAT_PDF)
ret = PrintPDFOutput(print_output, canvas);
else if (current_print_settings_.format == PP_PRINTOUTPUTFORMAT_RASTER)
ret = PrintRasterOutput(print_output, canvas);
// Now we need to release the print output resource.
PluginModule::GetCore()->ReleaseResource(print_output);
return ret;
}
void PluginInstance::PrintEnd() {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
#if defined(OS_LINUX) || defined(OS_WIN)
if (!ranges_.empty())
PrintPageHelper(&(ranges_.front()), ranges_.size(), canvas_.get());
canvas_ = NULL;
ranges_.clear();
#endif // OS_LINUX || OS_WIN
DCHECK(plugin_print_interface_);
if (plugin_print_interface_)
plugin_print_interface_->End(pp_instance());
memset(&current_print_settings_, 0, sizeof(current_print_settings_));
#if defined(OS_MACOSX)
last_printed_page_ = NULL;
#endif // defined(OS_MACOSX)
}
bool PluginInstance::IsFullscreenOrPending() {
return fullscreen_container_ != NULL;
}
void PluginInstance::SetFullscreen(bool fullscreen, bool delay_report) {
// Keep a reference on the stack. See NOTE above.
scoped_refptr<PluginInstance> ref(this);
// We check whether we are trying to switch to the state we're already going
// to (i.e. if we're already switching to fullscreen but the fullscreen
// container isn't ready yet, don't do anything more).
if (fullscreen == IsFullscreenOrPending())
return;
BindGraphics(pp_instance(), 0);
VLOG(1) << "Setting fullscreen to " << (fullscreen ? "on" : "off");
if (fullscreen) {
DCHECK(!fullscreen_container_);
fullscreen_container_ = delegate_->CreateFullscreenContainer(this);
} else {
DCHECK(fullscreen_container_);
fullscreen_container_->Destroy();
fullscreen_container_ = NULL;
fullscreen_ = false;
if (!delay_report) {
ReportGeometry();
} else {
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableMethod(this, &PluginInstance::ReportGeometry));
}
}
}
int32_t PluginInstance::Navigate(PPB_URLRequestInfo_Impl* request,
const char* target,
bool from_user_action) {
if (!container_)
return PP_ERROR_FAILED;
WebDocument document = container_->element().document();
WebFrame* frame = document.frame();
if (!frame)
return PP_ERROR_FAILED;
WebURLRequest web_request;
if (!request->ToWebURLRequest(frame, &web_request))
return PP_ERROR_FAILED;
web_request.setFirstPartyForCookies(document.firstPartyForCookies());
web_request.setHasUserGesture(from_user_action);
GURL gurl(web_request.url());
if (gurl.SchemeIs("javascript")) {
// In imitation of the NPAPI implementation, only |target_frame == frame| is
// allowed for security reasons.
WebFrame* target_frame =
frame->view()->findFrameByName(WebString::fromUTF8(target), frame);
if (target_frame != frame)
return PP_ERROR_NOACCESS;
// TODO(viettrungluu): NPAPI sends the result back to the plugin -- do we
// need that?
WebString result = container_->executeScriptURL(gurl, from_user_action);
return result.isNull() ? PP_ERROR_FAILED : PP_OK;
}
// Only GETs and POSTs are supported.
if (web_request.httpMethod() != "GET" &&
web_request.httpMethod() != "POST")
return PP_ERROR_BADARGUMENT;
WebString target_str = WebString::fromUTF8(target);
container_->loadFrameRequest(web_request, target_str, false, NULL);
return PP_OK;
}
bool PluginInstance::IsViewAccelerated() {
if (!container_)
return false;
WebDocument document = container_->element().document();
WebFrame* frame = document.frame();
if (!frame)
return false;
WebView* view = frame->view();
if (!view)
return false;
return view->isAcceleratedCompositingActive();
}
PluginDelegate::PlatformContext3D* PluginInstance::CreateContext3D() {
if (fullscreen_container_)
return fullscreen_container_->CreateContext3D();
else
return delegate_->CreateContext3D();
}
bool PluginInstance::PrintPDFOutput(PP_Resource print_output,
WebKit::WebCanvas* canvas) {
::ppapi::thunk::EnterResourceNoLock<PPB_Buffer_API> enter(print_output, true);
if (enter.failed())
return false;
BufferAutoMapper mapper(enter.object());
if (!mapper.data() || !mapper.size()) {
NOTREACHED();
return false;
}
#if defined(OS_WIN)
// For Windows, we need the PDF DLL to render the output PDF to a DC.
HMODULE pdf_module = GetModuleHandle(L"pdf.dll");
if (!pdf_module)
return false;
RenderPDFPageToDCProc render_proc =
reinterpret_cast<RenderPDFPageToDCProc>(
GetProcAddress(pdf_module, "RenderPDFPageToDC"));
if (!render_proc)
return false;
#endif // defined(OS_WIN)
bool ret = false;
#if defined(OS_LINUX) || (defined(OS_MACOSX) && defined(USE_SKIA))
// On Linux we just set the final bits in the native metafile
// (NativeMetafile and PreviewMetafile must have compatible formats,
// i.e. both PDF for this to work).
printing::Metafile* metafile =
printing::MetafileSkiaWrapper::GetMetafileFromCanvas(canvas);
DCHECK(metafile != NULL);
if (metafile)
ret = metafile->InitFromData(mapper.data(), mapper.size());
#elif defined(OS_MACOSX)
printing::NativeMetafile metafile;
// Create a PDF metafile and render from there into the passed in context.
if (metafile.InitFromData(mapper.data(), mapper.size())) {
// Flip the transform.
CGContextRef cgContext = canvas;
CGContextSaveGState(cgContext);
CGContextTranslateCTM(cgContext, 0,
current_print_settings_.printable_area.size.height);
CGContextScaleCTM(cgContext, 1.0, -1.0);
CGRect page_rect;
page_rect.origin.x = current_print_settings_.printable_area.point.x;
page_rect.origin.y = current_print_settings_.printable_area.point.y;
page_rect.size.width = current_print_settings_.printable_area.size.width;
page_rect.size.height = current_print_settings_.printable_area.size.height;
ret = metafile.RenderPage(1, cgContext, page_rect, true, false, true, true);
CGContextRestoreGState(cgContext);
}
#elif defined(OS_WIN)
printing::Metafile* metafile =
printing::MetafileSkiaWrapper::GetMetafileFromCanvas(canvas);
if (metafile) {
// We only have a metafile when doing print preview, so we just want to
// pass the PDF off to preview.
ret = metafile->InitFromData(mapper.data(), mapper.size());
} else {
// On Windows, we now need to render the PDF to the DC that backs the
// supplied canvas.
HDC dc = skia::BeginPlatformPaint(canvas);
gfx::Size size_in_pixels;
size_in_pixels.set_width(printing::ConvertUnit(
current_print_settings_.printable_area.size.width,
static_cast<int>(printing::kPointsPerInch),
current_print_settings_.dpi));
size_in_pixels.set_height(printing::ConvertUnit(
current_print_settings_.printable_area.size.height,
static_cast<int>(printing::kPointsPerInch),
current_print_settings_.dpi));
// We need to render using the actual printer DPI (rendering to a smaller
// set of pixels leads to a blurry output). However, we need to counter the
// scaling up that will happen in the browser.
XFORM xform = {0};
xform.eM11 = xform.eM22 = static_cast<float>(printing::kPointsPerInch) /
static_cast<float>(current_print_settings_.dpi);
ModifyWorldTransform(dc, &xform, MWT_LEFTMULTIPLY);
ret = render_proc(static_cast<unsigned char*>(mapper.data()), mapper.size(),
0, dc, current_print_settings_.dpi,
current_print_settings_.dpi, 0, 0, size_in_pixels.width(),
size_in_pixels.height(), true, false, true, true);
skia::EndPlatformPaint(canvas);
}
#endif // defined(OS_WIN)
return ret;
}
bool PluginInstance::PrintRasterOutput(PP_Resource print_output,
WebKit::WebCanvas* canvas) {
EnterResourceNoLock<PPB_ImageData_API> enter(print_output, true);
if (enter.failed())
return false;
PPB_ImageData_Impl* image =
static_cast<PPB_ImageData_Impl*>(enter.object());
// TODO(brettw) this should not require the image to be mapped. It should
// instead map on demand. The DCHECK here is to remind you if you see the
// assert fire, fix the bug rather than mapping the data.
DCHECK(image->is_mapped());
if (!image->is_mapped())
return false;
const SkBitmap* bitmap = image->GetMappedBitmap();
if (!bitmap)
return false;
// Draw the printed image into the supplied canvas.
SkIRect src_rect;
src_rect.set(0, 0, bitmap->width(), bitmap->height());
SkRect dest_rect;
dest_rect.set(
SkIntToScalar(current_print_settings_.printable_area.point.x),
SkIntToScalar(current_print_settings_.printable_area.point.y),
SkIntToScalar(current_print_settings_.printable_area.point.x +
current_print_settings_.printable_area.size.width),
SkIntToScalar(current_print_settings_.printable_area.point.y +
current_print_settings_.printable_area.size.height));
bool draw_to_canvas = true;
gfx::Rect dest_rect_gfx;
dest_rect_gfx.set_x(current_print_settings_.printable_area.point.x);
dest_rect_gfx.set_y(current_print_settings_.printable_area.point.y);
dest_rect_gfx.set_width(current_print_settings_.printable_area.size.width);
dest_rect_gfx.set_height(current_print_settings_.printable_area.size.height);
#if defined(OS_WIN)
// Since this is a raster output, the size of the bitmap can be
// huge (especially at high printer DPIs). On Windows, this can
// result in a HUGE EMF (on Mac and Linux the output goes to PDF
// which appears to Flate compress the bitmap). So, if this bitmap
// is larger than 20 MB, we save the bitmap as a JPEG into the EMF
// DC. Note: We chose JPEG over PNG because JPEG compression seems
// way faster (about 4 times faster).
static const int kCompressionThreshold = 20 * 1024 * 1024;
if (bitmap->getSize() > kCompressionThreshold) {
DrawJPEGToPlatformDC(*bitmap, dest_rect_gfx, canvas);
draw_to_canvas = false;
}
#endif // defined(OS_WIN)
#if defined(OS_MACOSX) && !defined(USE_SKIA)
draw_to_canvas = false;
DrawSkBitmapToCanvas(*bitmap, canvas, dest_rect_gfx,
current_print_settings_.printable_area.size.height);
// See comments in the header file.
last_printed_page_ = image;
#else // defined(OS_MACOSX) && !defined(USE_SKIA)
if (draw_to_canvas)
canvas->drawBitmapRect(*bitmap, &src_rect, dest_rect);
#endif // defined(OS_MACOSX) && !defined(USE_SKIA)
return true;
}
#if defined(OS_WIN)
bool PluginInstance::DrawJPEGToPlatformDC(
const SkBitmap& bitmap,
const gfx::Rect& printable_area,
WebKit::WebCanvas* canvas) {
// Ideally we should add JPEG compression to the VectorPlatformDevice class
// However, Skia currently has no JPEG compression code and we cannot
// depend on gfx/jpeg_codec.h in Skia. So we do the compression here.
SkAutoLockPixels lock(bitmap);
DCHECK(bitmap.getConfig() == SkBitmap::kARGB_8888_Config);
const uint32_t* pixels =
static_cast<const uint32_t*>(bitmap.getPixels());
std::vector<unsigned char> compressed_image;
base::TimeTicks start_time = base::TimeTicks::Now();
bool encoded = gfx::JPEGCodec::Encode(
reinterpret_cast<const unsigned char*>(pixels),
gfx::JPEGCodec::FORMAT_BGRA, bitmap.width(), bitmap.height(),
static_cast<int>(bitmap.rowBytes()), 100, &compressed_image);
UMA_HISTOGRAM_TIMES("PepperPluginPrint.RasterBitmapCompressTime",
base::TimeTicks::Now() - start_time);
if (!encoded) {
NOTREACHED();
return false;
}
skia::ScopedPlatformPaint scoped_platform_paint(canvas);
HDC dc = scoped_platform_paint.GetPlatformSurface();
// TODO(sanjeevr): This is a temporary hack. If we output a JPEG
// to the EMF, the EnumEnhMetaFile call fails in the browser
// process. The failure also happens if we output nothing here.
// We need to investigate the reason for this failure and fix it.
// In the meantime this temporary hack of drawing an empty
// rectangle in the DC gets us by.
Rectangle(dc, 0, 0, 0, 0);
BITMAPINFOHEADER bmi = {0};
gfx::CreateBitmapHeader(bitmap.width(), bitmap.height(), &bmi);
bmi.biCompression = BI_JPEG;
bmi.biSizeImage = compressed_image.size();
bmi.biHeight = -bmi.biHeight;
StretchDIBits(dc, printable_area.x(), printable_area.y(),
printable_area.width(), printable_area.height(),
0, 0, bitmap.width(), bitmap.height(),
&compressed_image.front(),
reinterpret_cast<const BITMAPINFO*>(&bmi),
DIB_RGB_COLORS, SRCCOPY);
return true;
}
#endif // OS_WIN
#if defined(OS_MACOSX) && !defined(USE_SKIA)
void PluginInstance::DrawSkBitmapToCanvas(
const SkBitmap& bitmap, WebKit::WebCanvas* canvas,
const gfx::Rect& dest_rect,
int canvas_height) {
SkAutoLockPixels lock(bitmap);
DCHECK(bitmap.getConfig() == SkBitmap::kARGB_8888_Config);
base::mac::ScopedCFTypeRef<CGDataProviderRef> data_provider(
CGDataProviderCreateWithData(
NULL, bitmap.getAddr32(0, 0),
bitmap.rowBytes() * bitmap.height(), NULL));
base::mac::ScopedCFTypeRef<CGImageRef> image(
CGImageCreate(
bitmap.width(), bitmap.height(),
8, 32, bitmap.rowBytes(),
base::mac::GetSystemColorSpace(),
kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
data_provider, NULL, false, kCGRenderingIntentDefault));
// Flip the transform
CGContextSaveGState(canvas);
CGContextTranslateCTM(canvas, 0, canvas_height);
CGContextScaleCTM(canvas, 1.0, -1.0);
CGRect bounds;
bounds.origin.x = dest_rect.x();
bounds.origin.y = canvas_height - dest_rect.y() - dest_rect.height();
bounds.size.width = dest_rect.width();
bounds.size.height = dest_rect.height();
CGContextDrawImage(canvas, bounds, image);
CGContextRestoreGState(canvas);
}
#endif // defined(OS_MACOSX) && !defined(USE_SKIA)
PPB_Graphics2D_Impl* PluginInstance::GetBoundGraphics2D() const {
if (bound_graphics_.get() == NULL)
return NULL;
if (bound_graphics_->AsPPB_Graphics2D_API())
return static_cast<PPB_Graphics2D_Impl*>(bound_graphics_.get());
return NULL;
}
PPB_Graphics3D_Impl* PluginInstance::GetBoundGraphics3D() const {
if (bound_graphics_.get() == NULL)
return NULL;
if (bound_graphics_->AsPPB_Graphics3D_API())
return static_cast<PPB_Graphics3D_Impl*>(bound_graphics_.get());
return NULL;
}
PPB_Surface3D_Impl* PluginInstance::GetBoundSurface3D() const {
if (bound_graphics_.get() == NULL)
return NULL;
if (bound_graphics_->AsPPB_Surface3D_API())
return static_cast<PPB_Surface3D_Impl*>(bound_graphics_.get());
return NULL;
}
void PluginInstance::setBackingTextureId(unsigned int id) {
// If we have a full-screen container_ then the plugin is fullscreen,
// and the parent context is not the one for the browser page, but for the
// full-screen window, and so the parent texture ID doesn't correspond to
// anything in the page's context.
//
// TODO(alokp): It would be better at some point to have the equivalent
// in the FullscreenContainer so that we don't need to poll
if (fullscreen_container_)
return;
if (container_)
container_->setBackingTextureId(id);
}
void PluginInstance::AddPluginObject(PluginObject* plugin_object) {
DCHECK(live_plugin_objects_.find(plugin_object) ==
live_plugin_objects_.end());
live_plugin_objects_.insert(plugin_object);
}
void PluginInstance::RemovePluginObject(PluginObject* plugin_object) {
// Don't actually verify that the object is in the set since during module
// deletion we'll be in the process of freeing them.
live_plugin_objects_.erase(plugin_object);
}
bool PluginInstance::IsFullPagePlugin() const {
WebFrame* frame = container()->element().document().frame();
return frame->view()->mainFrame()->document().isPluginDocument();
}
PPB_Instance_FunctionAPI* PluginInstance::AsPPB_Instance_FunctionAPI() {
return this;
}
PP_Bool PluginInstance::BindGraphics(PP_Instance instance,
PP_Resource device) {
if (bound_graphics_.get()) {
if (GetBoundGraphics2D()) {
GetBoundGraphics2D()->BindToInstance(NULL);
} else if (GetBoundGraphics3D()) {
GetBoundGraphics3D()->BindToInstance(false);
} else if (GetBoundSurface3D()) {
GetBoundSurface3D()->BindToInstance(false);
}
bound_graphics_ = NULL;
}
// Special-case clearing the current device.
if (!device) {
setBackingTextureId(0);
InvalidateRect(gfx::Rect());
return PP_TRUE;
}
// Refuse to bind if we're transitioning to fullscreen.
if (fullscreen_container_ && !fullscreen_)
return PP_FALSE;
EnterResourceNoLock<PPB_Graphics2D_API> enter_2d(device, false);
PPB_Graphics2D_Impl* graphics_2d = enter_2d.succeeded() ?
static_cast<PPB_Graphics2D_Impl*>(enter_2d.object()) : NULL;
EnterResourceNoLock<PPB_Graphics3D_API> enter_3d(device, false);
PPB_Graphics3D_Impl* graphics_3d = enter_3d.succeeded() ?
static_cast<PPB_Graphics3D_Impl*>(enter_3d.object()) : NULL;
EnterResourceNoLock<PPB_Surface3D_API> enter_surface_3d(device, false);
PPB_Surface3D_Impl* surface_3d = enter_surface_3d.succeeded() ?
static_cast<PPB_Surface3D_Impl*>(enter_surface_3d.object()) : NULL;
if (graphics_2d) {
if (graphics_2d->pp_instance() != pp_instance())
return PP_FALSE; // Can't bind other instance's contexts.
if (!graphics_2d->BindToInstance(this))
return PP_FALSE; // Can't bind to more than one instance.
bound_graphics_ = graphics_2d;
setBackingTextureId(0);
// BindToInstance will have invalidated the plugin if necessary.
} else if (graphics_3d) {
// Make sure graphics can only be bound to the instance it is
// associated with.
if (graphics_3d->pp_instance() != pp_instance())
return PP_FALSE;
if (!graphics_3d->BindToInstance(true))
return PP_FALSE;
bound_graphics_ = graphics_3d;
setBackingTextureId(graphics_3d->GetBackingTextureId());
} else if (surface_3d) {
// Make sure graphics can only be bound to the instance it is
// associated with.
if (surface_3d->pp_instance() != pp_instance())
return PP_FALSE;
if (!surface_3d->BindToInstance(true))
return PP_FALSE;
bound_graphics_ = surface_3d;
setBackingTextureId(surface_3d->GetBackingTextureId());
} else {
// The device is not a valid resource type.
return PP_FALSE;
}
return PP_TRUE;
}
PP_Bool PluginInstance::IsFullFrame(PP_Instance instance) {
return PP_FromBool(full_frame());
}
PP_Var PluginInstance::GetWindowObject(PP_Instance instance) {
if (!container_)
return PP_MakeUndefined();
WebFrame* frame = container_->element().document().frame();
if (!frame)
return PP_MakeUndefined();
return NPObjectToPPVar(this, frame->windowObject());
}
PP_Var PluginInstance::GetOwnerElementObject(PP_Instance instance) {
if (!container_)
return PP_MakeUndefined();
return NPObjectToPPVar(this, container_->scriptableObjectForElement());
}
PP_Var PluginInstance::ExecuteScript(PP_Instance instance,
PP_Var script,
PP_Var* exception) {
// Executing the script may remove the plugin from the DOM, so we need to keep
// a reference to ourselves so that we can still process the result after the
// WebBindings::evaluate() below.
scoped_refptr<PluginInstance> ref(this);
TryCatch try_catch(module()->pp_module(), exception);
if (try_catch.has_exception())
return PP_MakeUndefined();
// Convert the script into an inconvenient NPString object.
StringVar* script_string = StringVar::FromPPVar(script);
if (!script_string) {
try_catch.SetException("Script param to ExecuteScript must be a string.");
return PP_MakeUndefined();
}
NPString np_script;
np_script.UTF8Characters = script_string->value().c_str();
np_script.UTF8Length = script_string->value().length();
// Get the current frame to pass to the evaluate function.
WebFrame* frame = container_->element().document().frame();
if (!frame) {
try_catch.SetException("No frame to execute script in.");
return PP_MakeUndefined();
}
NPVariant result;
bool ok = WebBindings::evaluate(NULL, frame->windowObject(), &np_script,
&result);
if (!ok) {
// TODO(brettw) bug 54011: The TryCatch isn't working properly and
// doesn't actually catch this exception.
try_catch.SetException("Exception caught");
WebBindings::releaseVariantValue(&result);
return PP_MakeUndefined();
}
PP_Var ret = NPVariantToPPVar(this, &result);
WebBindings::releaseVariantValue(&result);
return ret;
}
PP_Bool PluginInstance::IsFullscreen(PP_Instance instance) {
return PP_FromBool(fullscreen_);
}
PP_Bool PluginInstance::SetFullscreen(PP_Instance instance,
PP_Bool fullscreen) {
SetFullscreen(PP_ToBool(fullscreen), true);
return PP_TRUE;
}
PP_Bool PluginInstance::GetScreenSize(PP_Instance instance, PP_Size* size) {
gfx::Size screen_size = delegate()->GetScreenSize();
*size = PP_MakeSize(screen_size.width(), screen_size.height());
return PP_TRUE;
}
int32_t PluginInstance::RequestInputEvents(PP_Instance instance,
uint32_t event_classes) {
input_event_mask_ |= event_classes;
filtered_input_event_mask_ &= ~(event_classes);
return ValidateRequestInputEvents(false, event_classes);
}
int32_t PluginInstance::RequestFilteringInputEvents(PP_Instance instance,
uint32_t event_classes) {
filtered_input_event_mask_ |= event_classes;
input_event_mask_ &= ~(event_classes);
return ValidateRequestInputEvents(true, event_classes);
}
void PluginInstance::ClearInputEventRequest(PP_Instance instance,
uint32_t event_classes) {
input_event_mask_ &= ~(event_classes);
filtered_input_event_mask_ &= ~(event_classes);
}
void PluginInstance::ZoomChanged(PP_Instance instance, double factor) {
// We only want to tell the page to change its zoom if the whole page is the
// plugin. If we're in an iframe, then don't do anything.
if (!IsFullPagePlugin())
return;
double zoom_level = WebView::zoomFactorToZoomLevel(factor);
// The conversino from zoom level to factor, and back, can introduce rounding
// errors. i.e. WebKit originally tells us 3.0, but by the time we tell the
// plugin and it tells us back, the level becomes 3.000000000004. Need to
// round or else otherwise if the user zooms out, it will go to 3.0 instead of
// 2.0.
int rounded =
static_cast<int>(zoom_level + (zoom_level > 0 ? 0.001 : -0.001));
if (abs(rounded - zoom_level) < 0.001)
zoom_level = rounded;
container()->zoomLevelChanged(zoom_level);
}
void PluginInstance::ZoomLimitsChanged(PP_Instance instance,
double minimum_factor,
double maximium_factor) {
if (minimum_factor > maximium_factor) {
NOTREACHED();
return;
}
delegate()->ZoomLimitsChanged(minimum_factor, maximium_factor);
}
void PluginInstance::PostMessage(PP_Instance instance, PP_Var message) {
message_channel_->PostMessageToJavaScript(message);
}
void PluginInstance::SubscribeToPolicyUpdates(PP_Instance instance) {
delegate()->SubscribeToPolicyUpdates(this);
}
void PluginInstance::DoSetCursor(WebCursorInfo* cursor) {
cursor_.reset(cursor);
if (fullscreen_container_)
fullscreen_container_->DidChangeCursor(*cursor);
}
} // namespace ppapi
} // namespace webkit