// 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 "webkit/plugins/ppapi/ppapi_plugin_instance.h" #include "base/bind.h" #include "base/callback_helpers.h" #include "base/debug/trace_event.h" #include "base/logging.h" #include "base/memory/linked_ptr.h" #include "base/message_loop.h" #include "base/stl_util.h" #include "base/stringprintf.h" #include "base/strings/utf_offset_string_conversions.h" #include "base/time.h" #include "base/utf_string_conversions.h" #include "cc/layers/texture_layer.h" #include "ppapi/c/dev/ppb_find_dev.h" #include "ppapi/c/dev/ppb_zoom_dev.h" #include "ppapi/c/dev/ppp_find_dev.h" #include "ppapi/c/dev/ppp_selection_dev.h" #include "ppapi/c/dev/ppp_text_input_dev.h" #include "ppapi/c/dev/ppp_zoom_dev.h" #include "ppapi/c/pp_rect.h" #include "ppapi/c/ppb_audio_config.h" #include "ppapi/c/ppb_core.h" #include "ppapi/c/ppb_gamepad.h" #include "ppapi/c/ppp_input_event.h" #include "ppapi/c/ppp_instance.h" #include "ppapi/c/ppp_messaging.h" #include "ppapi/c/ppp_mouse_lock.h" #include "ppapi/c/private/ppp_instance_private.h" #include "ppapi/shared_impl/ppapi_preferences.h" #include "ppapi/shared_impl/ppb_gamepad_shared.h" #include "ppapi/shared_impl/ppb_input_event_shared.h" #include "ppapi/shared_impl/ppb_url_util_shared.h" #include "ppapi/shared_impl/ppb_view_shared.h" #include "ppapi/shared_impl/ppp_instance_combined.h" #include "ppapi/shared_impl/resource.h" #include "ppapi/shared_impl/scoped_pp_resource.h" #include "ppapi/shared_impl/time_conversion.h" #include "ppapi/shared_impl/var.h" #include "ppapi/thunk/enter.h" #include "ppapi/thunk/ppb_buffer_api.h" #include "printing/metafile.h" #include "printing/metafile_skia_wrapper.h" #include "printing/units.h" #include "skia/ext/platform_device.h" #include "third_party/WebKit/Source/Platform/chromium/public/WebGamepads.h" #include "third_party/WebKit/Source/Platform/chromium/public/WebString.h" #include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h" #include "third_party/WebKit/Source/Platform/chromium/public/WebURLRequest.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.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/WebPrintParams.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebPrintScalingOption.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebScopedUserGesture.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebUserGestureIndicator.h" #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" #include "third_party/skia/include/core/SkCanvas.h" #include "third_party/skia/include/core/SkRect.h" #include "ui/base/range/range.h" #include "ui/gfx/rect_conversions.h" #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h" #include "webkit/compositor_bindings/web_layer_impl.h" #include "webkit/plugins/plugin_constants.h" #include "webkit/plugins/ppapi/common.h" #include "webkit/plugins/ppapi/content_decryptor_delegate.h" #include "webkit/plugins/ppapi/event_conversion.h" #include "webkit/plugins/ppapi/fullscreen_container.h" #include "webkit/plugins/ppapi/gfx_conversion.h" #include "webkit/plugins/ppapi/host_globals.h" #include "webkit/plugins/ppapi/message_channel.h" #include "webkit/plugins/ppapi/npapi_glue.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_3d_impl.h" #include "webkit/plugins/ppapi/ppb_image_data_impl.h" #include "webkit/plugins/ppapi/ppb_url_loader_impl.h" #include "webkit/plugins/ppapi/ppp_pdf.h" #include "webkit/plugins/ppapi/url_request_info_util.h" #include "webkit/plugins/sad_plugin.h" #if defined(OS_MACOSX) #include "printing/metafile_impl.h" #endif // defined(OS_MACOSX) #if defined(OS_WIN) #include "base/metrics/histogram.h" #include "base/win/windows_version.h" #include "skia/ext/platform_canvas.h" #include "ui/gfx/codec/jpeg_codec.h" #include "ui/gfx/gdi_util.h" #endif using base::StringPrintf; using ppapi::InputEventData; using ppapi::PpapiGlobals; using ppapi::PPB_InputEvent_Shared; using ppapi::PPB_View_Shared; using ppapi::PPP_Instance_Combined; using ppapi::Resource; using ppapi::ScopedPPResource; using ppapi::StringVar; using ppapi::TrackedCallback; using ppapi::thunk::EnterResourceNoLock; using ppapi::thunk::PPB_Buffer_API; using ppapi::thunk::PPB_Gamepad_API; using ppapi::thunk::PPB_Graphics2D_API; using ppapi::thunk::PPB_Graphics3D_API; using ppapi::thunk::PPB_ImageData_API; using ppapi::Var; using ppapi::ArrayBufferVar; using ppapi::ViewData; using WebKit::WebBindings; using WebKit::WebCanvas; using WebKit::WebCursorInfo; using WebKit::WebDocument; using WebKit::WebElement; using WebKit::WebFrame; using WebKit::WebInputEvent; using WebKit::WebPlugin; using WebKit::WebPluginContainer; using WebKit::WebPrintParams; using WebKit::WebPrintScalingOption; using WebKit::WebScopedUserGesture; using WebKit::WebString; using WebKit::WebURLRequest; using WebKit::WebUserGestureIndicator; using WebKit::WebUserGestureToken; 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, bool autorotate); void DrawEmptyRectangle(HDC dc) { // 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); } #endif // defined(OS_WIN) namespace { // Check PP_TextInput_Type and ui::TextInputType are kept in sync. COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_NONE) == \ int(PP_TEXTINPUT_TYPE_NONE), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_TEXT) == \ int(PP_TEXTINPUT_TYPE_TEXT), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_PASSWORD) == \ int(PP_TEXTINPUT_TYPE_PASSWORD), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_SEARCH) == \ int(PP_TEXTINPUT_TYPE_SEARCH), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_EMAIL) == \ int(PP_TEXTINPUT_TYPE_EMAIL), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_NUMBER) == \ int(PP_TEXTINPUT_TYPE_NUMBER), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_TELEPHONE) == \ int(PP_TEXTINPUT_TYPE_TELEPHONE), mismatching_enums); COMPILE_ASSERT(int(ui::TEXT_INPUT_TYPE_URL) == \ int(PP_TEXTINPUT_TYPE_URL), mismatching_enums); // The default text input type is to regard the plugin always accept text input. // This is for allowing users to use input methods even on completely-IME- // unaware plugins (e.g., PPAPI Flash or PDF plugin for M16). // Plugins need to explicitly opt out the text input mode if they know // that they don't accept texts. const ui::TextInputType kPluginDefaultTextInputType = ui::TEXT_INPUT_TYPE_TEXT; #define COMPILE_ASSERT_MATCHING_ENUM(webkit_name, np_name) \ COMPILE_ASSERT(static_cast(WebCursorInfo::webkit_name) \ == static_cast(np_name), \ mismatching_enums) #define COMPILE_ASSERT_PRINT_SCALING_MATCHING_ENUM(webkit_name, pp_name) \ COMPILE_ASSERT(static_cast(webkit_name) \ == static_cast(pp_name), \ mismatching_enums) // / attributes. const char kWidth[] = "width"; const char kHeight[] = "height"; const char kBorder[] = "border"; // According to w3c, deprecated. const char kStyle[] = "style"; COMPILE_ASSERT_MATCHING_ENUM(TypePointer, PP_MOUSECURSOR_TYPE_POINTER); COMPILE_ASSERT_MATCHING_ENUM(TypeCross, PP_MOUSECURSOR_TYPE_CROSS); COMPILE_ASSERT_MATCHING_ENUM(TypeHand, PP_MOUSECURSOR_TYPE_HAND); COMPILE_ASSERT_MATCHING_ENUM(TypeIBeam, PP_MOUSECURSOR_TYPE_IBEAM); COMPILE_ASSERT_MATCHING_ENUM(TypeWait, PP_MOUSECURSOR_TYPE_WAIT); COMPILE_ASSERT_MATCHING_ENUM(TypeHelp, PP_MOUSECURSOR_TYPE_HELP); COMPILE_ASSERT_MATCHING_ENUM(TypeEastResize, PP_MOUSECURSOR_TYPE_EASTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthResize, PP_MOUSECURSOR_TYPE_NORTHRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastResize, PP_MOUSECURSOR_TYPE_NORTHEASTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestResize, PP_MOUSECURSOR_TYPE_NORTHWESTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthResize, PP_MOUSECURSOR_TYPE_SOUTHRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthEastResize, PP_MOUSECURSOR_TYPE_SOUTHEASTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthWestResize, PP_MOUSECURSOR_TYPE_SOUTHWESTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeWestResize, PP_MOUSECURSOR_TYPE_WESTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthSouthResize, PP_MOUSECURSOR_TYPE_NORTHSOUTHRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeEastWestResize, PP_MOUSECURSOR_TYPE_EASTWESTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastSouthWestResize, PP_MOUSECURSOR_TYPE_NORTHEASTSOUTHWESTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestSouthEastResize, PP_MOUSECURSOR_TYPE_NORTHWESTSOUTHEASTRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeColumnResize, PP_MOUSECURSOR_TYPE_COLUMNRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeRowResize, PP_MOUSECURSOR_TYPE_ROWRESIZE); COMPILE_ASSERT_MATCHING_ENUM(TypeMiddlePanning, PP_MOUSECURSOR_TYPE_MIDDLEPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeEastPanning, PP_MOUSECURSOR_TYPE_EASTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthPanning, PP_MOUSECURSOR_TYPE_NORTHPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthEastPanning, PP_MOUSECURSOR_TYPE_NORTHEASTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeNorthWestPanning, PP_MOUSECURSOR_TYPE_NORTHWESTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthPanning, PP_MOUSECURSOR_TYPE_SOUTHPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthEastPanning, PP_MOUSECURSOR_TYPE_SOUTHEASTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeSouthWestPanning, PP_MOUSECURSOR_TYPE_SOUTHWESTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeWestPanning, PP_MOUSECURSOR_TYPE_WESTPANNING); COMPILE_ASSERT_MATCHING_ENUM(TypeMove, PP_MOUSECURSOR_TYPE_MOVE); COMPILE_ASSERT_MATCHING_ENUM(TypeVerticalText, PP_MOUSECURSOR_TYPE_VERTICALTEXT); COMPILE_ASSERT_MATCHING_ENUM(TypeCell, PP_MOUSECURSOR_TYPE_CELL); COMPILE_ASSERT_MATCHING_ENUM(TypeContextMenu, PP_MOUSECURSOR_TYPE_CONTEXTMENU); COMPILE_ASSERT_MATCHING_ENUM(TypeAlias, PP_MOUSECURSOR_TYPE_ALIAS); COMPILE_ASSERT_MATCHING_ENUM(TypeProgress, PP_MOUSECURSOR_TYPE_PROGRESS); COMPILE_ASSERT_MATCHING_ENUM(TypeNoDrop, PP_MOUSECURSOR_TYPE_NODROP); COMPILE_ASSERT_MATCHING_ENUM(TypeCopy, PP_MOUSECURSOR_TYPE_COPY); COMPILE_ASSERT_MATCHING_ENUM(TypeNone, PP_MOUSECURSOR_TYPE_NONE); COMPILE_ASSERT_MATCHING_ENUM(TypeNotAllowed, PP_MOUSECURSOR_TYPE_NOTALLOWED); COMPILE_ASSERT_MATCHING_ENUM(TypeZoomIn, PP_MOUSECURSOR_TYPE_ZOOMIN); COMPILE_ASSERT_MATCHING_ENUM(TypeZoomOut, PP_MOUSECURSOR_TYPE_ZOOMOUT); COMPILE_ASSERT_MATCHING_ENUM(TypeGrab, PP_MOUSECURSOR_TYPE_GRAB); COMPILE_ASSERT_MATCHING_ENUM(TypeGrabbing, PP_MOUSECURSOR_TYPE_GRABBING); // Do not assert WebCursorInfo::TypeCustom == PP_CURSORTYPE_CUSTOM; // PP_CURSORTYPE_CUSTOM is pinned to allow new cursor types. COMPILE_ASSERT_PRINT_SCALING_MATCHING_ENUM(WebKit::WebPrintScalingOptionNone, PP_PRINTSCALINGOPTION_NONE); COMPILE_ASSERT_PRINT_SCALING_MATCHING_ENUM( WebKit::WebPrintScalingOptionFitToPrintableArea, PP_PRINTSCALINGOPTION_FIT_TO_PRINTABLE_AREA); COMPILE_ASSERT_PRINT_SCALING_MATCHING_ENUM( WebKit::WebPrintScalingOptionSourceSize, PP_PRINTSCALINGOPTION_SOURCE_SIZE); // Sets |*security_origin| to be the WebKit security origin associated with the // document containing the given plugin instance. On success, returns true. If // the instance is invalid, returns false and |*security_origin| will be // unchanged. bool SecurityOriginForInstance(PP_Instance instance_id, WebKit::WebSecurityOrigin* security_origin) { PluginInstance* instance = HostGlobals::Get()->GetInstance(instance_id); if (!instance) return false; WebElement plugin_element = instance->container()->element(); *security_origin = plugin_element.document().securityOrigin(); return true; } // Convert the given vector to an array of C-strings. The strings in the // returned vector are only guaranteed valid so long as the vector of strings // is not modified. scoped_ptr StringVectorToArgArray( const std::vector& vector) { scoped_ptr array(new const char*[vector.size()]); for (size_t i = 0; i < vector.size(); ++i) array[i] = vector[i].c_str(); return array.Pass(); } } // namespace // static PluginInstance* PluginInstance::Create(PluginDelegate* delegate, PluginModule* module, WebPluginContainer* container, const GURL& plugin_url) { base::Callback get_plugin_interface_func = base::Bind(&PluginModule::GetPluginInterface, module); PPP_Instance_Combined* ppp_instance_combined = PPP_Instance_Combined::Create(get_plugin_interface_func); if (!ppp_instance_combined) return NULL; return new PluginInstance(delegate, module, ppp_instance_combined, container, plugin_url); } PluginInstance::GamepadImpl::GamepadImpl(PluginDelegate* delegate) : Resource(::ppapi::Resource::Untracked()), delegate_(delegate) { } PPB_Gamepad_API* PluginInstance::GamepadImpl::AsPPB_Gamepad_API() { return this; } void PluginInstance::GamepadImpl::Sample(PP_Instance /* instance */, PP_GamepadsSampleData* data) { WebKit::WebGamepads webkit_data; delegate_->SampleGamepads(&webkit_data); ConvertWebKitGamepadData( *reinterpret_cast(&webkit_data), data); } PluginInstance::PluginInstance( PluginDelegate* delegate, PluginModule* module, ::ppapi::PPP_Instance_Combined* instance_interface, WebPluginContainer* container, const GURL& plugin_url) : delegate_(delegate), module_(module), instance_interface_(instance_interface), pp_instance_(0), container_(container), layer_bound_to_fullscreen_(false), plugin_url_(plugin_url), full_frame_(false), sent_initial_did_change_view_(false), view_change_weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)), bound_graphics_2d_platform_(NULL), has_webkit_focus_(false), has_content_area_focus_(false), find_identifier_(-1), plugin_find_interface_(NULL), plugin_input_event_interface_(NULL), plugin_messaging_interface_(NULL), plugin_mouse_lock_interface_(NULL), plugin_pdf_interface_(NULL), plugin_private_interface_(NULL), plugin_selection_interface_(NULL), plugin_textinput_interface_(NULL), plugin_zoom_interface_(NULL), checked_for_plugin_input_event_interface_(false), checked_for_plugin_messaging_interface_(false), checked_for_plugin_pdf_interface_(false), gamepad_impl_(new GamepadImpl(delegate)), plugin_print_interface_(NULL), plugin_graphics_3d_interface_(NULL), always_on_top_(false), fullscreen_container_(NULL), flash_fullscreen_(false), desired_fullscreen_state_(false), message_channel_(NULL), sad_plugin_(NULL), input_event_mask_(0), filtered_input_event_mask_(0), text_input_type_(kPluginDefaultTextInputType), text_input_caret_(0, 0, 0, 0), text_input_caret_bounds_(0, 0, 0, 0), text_input_caret_set_(false), selection_caret_(0), selection_anchor_(0), pending_user_gesture_(0.0) { pp_instance_ = HostGlobals::Get()->AddInstance(this); memset(¤t_print_settings_, 0, sizeof(current_print_settings_)); DCHECK(delegate); module_->InstanceCreated(this); delegate_->InstanceCreated(this); message_channel_.reset(new MessageChannel(this)); view_data_.is_page_visible = delegate->IsPageVisible(); resource_creation_ = delegate_->CreateResourceCreationAPI(this); } PluginInstance::~PluginInstance() { DCHECK(!fullscreen_container_); // Force-unbind any Graphics. In the case of Graphics2D, if the plugin // leaks the graphics 2D, it may actually get cleaned up after our // destruction, so we need its pointers to be up-to-date. BindGraphics(pp_instance(), 0); // 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; if (TrackedCallback::IsPending(lock_mouse_callback_)) lock_mouse_callback_->Abort(); delegate_->InstanceDeleted(this); module_->InstanceDeleted(this); // If we switched from the NaCl plugin module, notify it too. if (original_module_.get()) original_module_->InstanceDeleted(this); // This should be last since some of the above "instance deleted" calls will // want to look up in the global map to get info off of our object. HostGlobals::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 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 ref(this); // Force the MessageChannel to release its "passthrough object" which should // release our last reference to the "InstanceObject" and will probably // destroy it. We want to do this prior to calling DidDestroy in case the // destructor of the instance object tries to use the instance. message_channel_->SetPassthroughObject(NULL); // If this is a NaCl plugin instance, shut down the NaCl plugin by calling // its DidDestroy. Don't call DidDestroy on the untrusted plugin instance, // since there is little that it can do at this point. if (original_instance_interface_.get()) original_instance_interface_->DidDestroy(pp_instance()); else instance_interface_->DidDestroy(pp_instance()); if (fullscreen_container_) { fullscreen_container_->Destroy(); fullscreen_container_ = NULL; } bound_graphics_3d_ = NULL; UpdateLayer(); container_ = NULL; } void PluginInstance::Paint(WebCanvas* canvas, const gfx::Rect& plugin_rect, const gfx::Rect& paint_rect) { TRACE_EVENT0("ppapi", "PluginInstance::Paint"); 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; } PluginDelegate::PlatformGraphics2D* bound_graphics_2d = GetBoundGraphics2D(); if (bound_graphics_2d) bound_graphics_2d->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_ || view_data_.rect.size.width == 0 || view_data_.rect.size.height == 0) 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 (bound_graphics_3d_.get()) return bound_graphics_3d_->GetBackingTextureId(); return 0; } void PluginInstance::CommitBackingTexture() { if (texture_layer_) texture_layer_->SetNeedsDisplay(); } void PluginInstance::InstanceCrashed() { // Force free all resources and vars. HostGlobals::Get()->InstanceCrashed(pp_instance()); // Free any associated graphics. SetFullscreen(false); FlashSetFullscreen(false, false); // Unbind current 2D or 3D graphics context. BindGraphics(pp_instance(), 0); InvalidateRect(gfx::Rect()); delegate()->PluginCrashed(this); } static void SetGPUHistogram(const ::ppapi::Preferences& prefs, const std::vector& arg_names, const std::vector& arg_values) { // Calculate a histogram to let us determine how likely people are to try to // run Stage3D content on machines that have it blacklisted. #if defined(OS_WIN) bool needs_gpu = false; bool is_xp = base::win::GetVersion() <= base::win::VERSION_XP; for (size_t i = 0; i < arg_names.size(); i++) { if (arg_names[i] == "wmode") { // In theory content other than Flash could have a "wmode" argument, // but that's pretty unlikely. if (arg_values[i] == "direct" || arg_values[i] == "gpu") needs_gpu = true; break; } } // 0 : No 3D content and GPU is blacklisted // 1 : No 3D content and GPU is not blacklisted // 2 : 3D content but GPU is blacklisted // 3 : 3D content and GPU is not blacklisted // 4 : No 3D content and GPU is blacklisted on XP // 5 : No 3D content and GPU is not blacklisted on XP // 6 : 3D content but GPU is blacklisted on XP // 7 : 3D content and GPU is not blacklisted on XP UMA_HISTOGRAM_ENUMERATION("Flash.UsesGPU", is_xp * 4 + needs_gpu * 2 + prefs.is_webgl_supported, 8); #endif } bool PluginInstance::Initialize(const std::vector& arg_names, const std::vector& arg_values, bool full_frame) { full_frame_ = full_frame; UpdateTouchEventRequest(); container_->setWantsWheelEvents(IsAcceptingWheelEvents()); SetGPUHistogram(delegate_->GetPreferences(), arg_names, arg_values); argn_ = arg_names; argv_ = arg_values; scoped_ptr argn_array(StringVectorToArgArray(argn_)); scoped_ptr argv_array(StringVectorToArgArray(argv_)); bool success = PP_ToBool(instance_interface_->DidCreate(pp_instance(), argn_.size(), argn_array.get(), argv_array.get())); if (success) message_channel_->StopQueueingJavaScriptMessages(); return success; } bool PluginInstance::HandleDocumentLoad(PPB_URLLoader_Impl* loader) { if (!document_loader_) document_loader_ = loader; DCHECK(loader == document_loader_.get()); return PP_ToBool(instance_interface_->HandleDocumentLoad( pp_instance(), loader->pp_resource())); } bool PluginInstance::SendCompositionEventToPlugin(PP_InputEvent_Type type, const base::string16& text) { std::vector empty; return SendCompositionEventWithUnderlineInformationToPlugin( type, text, empty, static_cast(text.size()), static_cast(text.size())); } bool PluginInstance::SendCompositionEventWithUnderlineInformationToPlugin( PP_InputEvent_Type type, const base::string16& text, const std::vector& underlines, int selection_start, int selection_end) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (!LoadInputEventInterface()) return false; PP_InputEvent_Class event_class = PP_INPUTEVENT_CLASS_IME; if (!(filtered_input_event_mask_ & event_class) && !(input_event_mask_ & event_class)) return false; ::ppapi::InputEventData event; event.event_type = type; event.event_time_stamp = ::ppapi::TimeTicksToPPTimeTicks( base::TimeTicks::Now()); // Convert UTF16 text to UTF8 with offset conversion. std::vector utf16_offsets; utf16_offsets.push_back(selection_start); utf16_offsets.push_back(selection_end); for (size_t i = 0; i < underlines.size(); ++i) { utf16_offsets.push_back(underlines[i].startOffset); utf16_offsets.push_back(underlines[i].endOffset); } std::vector utf8_offsets(utf16_offsets); event.character_text = base::UTF16ToUTF8AndAdjustOffsets(text, &utf8_offsets); // Set the converted selection range. event.composition_selection_start = (utf8_offsets[0] == std::string::npos ? event.character_text.size() : utf8_offsets[0]); event.composition_selection_end = (utf8_offsets[1] == std::string::npos ? event.character_text.size() : utf8_offsets[1]); // Set the converted segmentation points. // Be sure to add 0 and size(), and remove duplication or errors. std::set offset_set(utf8_offsets.begin()+2, utf8_offsets.end()); offset_set.insert(0); offset_set.insert(event.character_text.size()); offset_set.erase(std::string::npos); event.composition_segment_offsets.assign(offset_set.begin(), offset_set.end()); // Set the composition target. for (size_t i = 0; i < underlines.size(); ++i) { if (underlines[i].thick) { std::vector::iterator it = std::find(event.composition_segment_offsets.begin(), event.composition_segment_offsets.end(), utf8_offsets[2*i+2]); if (it != event.composition_segment_offsets.end()) { event.composition_target_segment = it - event.composition_segment_offsets.begin(); break; } } } // Send the event. bool handled = false; if (filtered_input_event_mask_ & event_class) event.is_filtered = true; else handled = true; // Unfiltered events are assumed to be handled. scoped_refptr event_resource( new PPB_InputEvent_Shared(::ppapi::OBJECT_IS_IMPL, pp_instance(), event)); handled |= PP_ToBool(plugin_input_event_interface_->HandleInputEvent( pp_instance(), event_resource->pp_resource())); return handled; } void PluginInstance::RequestInputEventsHelper(uint32_t event_classes) { if (event_classes & PP_INPUTEVENT_CLASS_TOUCH) UpdateTouchEventRequest(); if (event_classes & PP_INPUTEVENT_CLASS_WHEEL) container_->setWantsWheelEvents(IsAcceptingWheelEvents()); } bool PluginInstance::HandleCompositionStart(const base::string16& text) { return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_COMPOSITION_START, text); } bool PluginInstance::HandleCompositionUpdate( const base::string16& text, const std::vector& underlines, int selection_start, int selection_end) { return SendCompositionEventWithUnderlineInformationToPlugin( PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE, text, underlines, selection_start, selection_end); } bool PluginInstance::HandleCompositionEnd(const base::string16& text) { return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_COMPOSITION_END, text); } bool PluginInstance::HandleTextInput(const base::string16& text) { return SendCompositionEventToPlugin(PP_INPUTEVENT_TYPE_IME_TEXT, text); } void PluginInstance::GetSurroundingText(base::string16* text, ui::Range* range) const { std::vector offsets; offsets.push_back(selection_anchor_); offsets.push_back(selection_caret_); *text = base::UTF8ToUTF16AndAdjustOffsets(surrounding_text_, &offsets); range->set_start(offsets[0] == base::string16::npos ? text->size() : offsets[0]); range->set_end(offsets[1] == base::string16::npos ? text->size() : offsets[1]); } bool PluginInstance::IsPluginAcceptingCompositionEvents() const { return (filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_IME) || (input_event_mask_ & PP_INPUTEVENT_CLASS_IME); } gfx::Rect PluginInstance::GetCaretBounds() const { if (!text_input_caret_set_) { // If it is never set by the plugin, use the bottom left corner. return gfx::Rect(view_data_.rect.point.x, view_data_.rect.point.y + view_data_.rect.size.height, 0, 0); } // TODO(kinaba) Take CSS transformation into accont. // TODO(kinaba) Take bounding_box into account. On some platforms, an // "exclude rectangle" where candidate window must avoid the region can be // passed to IME. Currently, we pass only the caret rectangle because // it is the only information supported uniformly in Chromium. gfx::Rect caret(text_input_caret_); caret.Offset(view_data_.rect.point.x, view_data_.rect.point.y); return caret; } bool PluginInstance::HandleInputEvent(const WebKit::WebInputEvent& event, WebCursorInfo* cursor_info) { TRACE_EVENT0("ppapi", "PluginInstance::HandleInputEvent"); if (WebInputEvent::isMouseEventType(event.type)) delegate()->DidReceiveMouseEvent(this); // 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 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); // Allow the user gesture to be pending after the plugin handles the // event. This allows out-of-process plugins to respond to the user // gesture after processing has finished here. if (WebUserGestureIndicator::isProcessingUserGesture()) { pending_user_gesture_ = ::ppapi::EventTimeToPPTimeTicks(event.timeStampSeconds); pending_user_gesture_token_ = WebUserGestureIndicator::currentUserGestureToken(); } // 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 event_resource( new PPB_InputEvent_Shared(::ppapi::OBJECT_IS_IMPL, 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::HandleMessage(PP_Var message) { TRACE_EVENT0("ppapi", "PluginInstance::HandleMessage"); // Keep a reference on the stack. See NOTE above. scoped_refptr 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 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, const std::vector& cut_outs_rects) { // 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; cut_outs_rects_ = cut_outs_rects; view_data_.rect = PP_FromGfxRect(position); view_data_.clip_rect = PP_FromGfxRect(clip); view_data_.device_scale = container_->deviceScaleFactor(); view_data_.css_scale = container_->pageZoomFactor() * container_->pageScaleFactor(); if (desired_fullscreen_state_ || view_data_.is_fullscreen) { WebElement element = container_->element(); WebDocument document = element.document(); bool is_fullscreen_element = (element == document.fullScreenElement()); if (!view_data_.is_fullscreen && desired_fullscreen_state_ && delegate()->IsInFullscreenMode() && is_fullscreen_element) { // Entered fullscreen. Only possible via SetFullscreen(). view_data_.is_fullscreen = true; } else if (view_data_.is_fullscreen && !is_fullscreen_element) { // Exited fullscreen. Possible via SetFullscreen() or F11/link, // so desired_fullscreen_state might be out-of-date. desired_fullscreen_state_ = false; view_data_.is_fullscreen = false; // This operation will cause the plugin to re-layout which will send more // DidChangeView updates. Schedule an asynchronous update and suppress // notifications until that completes to avoid sending intermediate sizes // to the plugins. ScheduleAsyncDidChangeView(); // Reset the size attributes that we hacked to fill in the screen and // retrigger ViewChanged. Make sure we don't forward duplicates of // this view to the plugin. ResetSizeAttributesAfterFullscreen(); return; } } UpdateFlashFullscreenState(fullscreen_container_ != NULL); SendDidChangeView(); } 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) SendFocusChangeNotification(); } 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) SendFocusChangeNotification(); } void PluginInstance::PageVisibilityChanged(bool is_visible) { if (is_visible == view_data_.is_page_visible) return; // Nothing to do. view_data_.is_page_visible = is_visible; // If the initial DidChangeView notification hasn't been sent to the plugin, // let it pass the visibility state for us, instead of sending a notification // immediately. It is possible that PluginInstance::ViewChanged() hasn't been // called for the first time. In that case, most of the fields in |view_data_| // haven't been properly initialized. if (sent_initial_did_change_view_) SendDidChangeView(); } void PluginInstance::ViewWillInitiatePaint() { if (GetBoundGraphics2D()) GetBoundGraphics2D()->ViewWillInitiatePaint(); else if (bound_graphics_3d_.get()) bound_graphics_3d_->ViewWillInitiatePaint(); } void PluginInstance::ViewInitiatedPaint() { if (GetBoundGraphics2D()) GetBoundGraphics2D()->ViewInitiatedPaint(); else if (bound_graphics_3d_.get()) bound_graphics_3d_->ViewInitiatedPaint(); } void PluginInstance::ViewFlushedPaint() { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (GetBoundGraphics2D()) GetBoundGraphics2D()->ViewFlushedPaint(); else if (bound_graphics_3d_.get()) bound_graphics_3d_->ViewFlushedPaint(); } bool PluginInstance::GetBitmapForOptimizedPluginPaint( const gfx::Rect& paint_bounds, TransportDIB** dib, gfx::Rect* location, gfx::Rect* clip, float* scale_factor) { if (!always_on_top_) return false; if (!GetBoundGraphics2D() || !GetBoundGraphics2D()->IsAlwaysOpaque()) 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()->ImageData(); // ImageDatas created by NaCl don't have a PlatformImage, so can't be // optimized this way. if (!image_data->PlatformImage()) return false; gfx::Point plugin_origin = PP_ToGfxPoint(view_data_.rect.point); gfx::Vector2d plugin_offset = plugin_origin.OffsetFromOrigin(); // Convert |paint_bounds| to be relative to the left-top corner of the plugin. gfx::Rect relative_paint_bounds(paint_bounds); relative_paint_bounds.Offset(-plugin_offset); gfx::Rect pixel_plugin_backing_store_rect( 0, 0, image_data->width(), image_data->height()); float scale = GetBoundGraphics2D()->GetScale(); gfx::Rect plugin_backing_store_rect = gfx::ToEnclosedRect( gfx::ScaleRect(pixel_plugin_backing_store_rect, scale)); gfx::Rect clip_page = PP_ToGfxRect(view_data_.clip_rect); gfx::Rect plugin_paint_rect = gfx::IntersectRects(plugin_backing_store_rect, clip_page); if (!plugin_paint_rect.Contains(relative_paint_bounds)) return false; // Don't do optimized painting if the area to paint intersects with the // cut-out rects, otherwise we will paint over them. for (std::vector::const_iterator iter = cut_outs_rects_.begin(); iter != cut_outs_rects_.end(); ++iter) { if (relative_paint_bounds.Intersects(*iter)) return false; } *dib = image_data->PlatformImage()->GetTransportDIB(); plugin_backing_store_rect.Offset(plugin_offset); *location = plugin_backing_store_rect; clip_page.Offset(plugin_offset); *clip = clip_page; // The plugin scale factor is inverted, e.g. for a device scale factor of 2x // the plugin scale factor is 0.5. *scale_factor = 1.0 / scale; return true; } base::string16 PluginInstance::GetSelectedText(bool html) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (!LoadSelectionInterface()) return base::string16(); PP_Var rv = plugin_selection_interface_->GetSelectedText(pp_instance(), PP_FromBool(html)); StringVar* string = StringVar::FromPPVar(rv); base::string16 selection; if (string) selection = UTF8ToUTF16(string->value()); // Release the ref the plugin transfered to us. HostGlobals::Get()->GetVarTracker()->ReleaseVar(rv); return selection; } base::string16 PluginInstance::GetLinkAtPosition(const gfx::Point& point) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (!LoadPdfInterface()) return base::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); base::string16 link; if (string) link = UTF8ToUTF16(string->value()); // Release the ref the plugin transfered to us. PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(rv); return link; } void PluginInstance::RequestSurroundingText( size_t desired_number_of_characters) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (!LoadTextInputInterface()) return; plugin_textinput_interface_->RequestSurroundingText( pp_instance(), desired_number_of_characters); } void PluginInstance::Zoom(double factor, bool text_only) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); if (!LoadZoomInterface()) return; plugin_zoom_interface_->Zoom(pp_instance(), factor, PP_FromBool(text_only)); } bool PluginInstance::StartFind(const base::string16& search_text, bool case_sensitive, int identifier) { // Keep a reference on the stack. See NOTE above. scoped_refptr 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 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 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(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(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(module_->GetPluginInterface( PPP_MESSAGING_INTERFACE)); } return !!plugin_messaging_interface_; } bool PluginInstance::LoadMouseLockInterface() { if (!plugin_mouse_lock_interface_) { plugin_mouse_lock_interface_ = static_cast(module_->GetPluginInterface( PPP_MOUSELOCK_INTERFACE)); } return !!plugin_mouse_lock_interface_; } bool PluginInstance::LoadPdfInterface() { if (!checked_for_plugin_pdf_interface_) { checked_for_plugin_pdf_interface_ = true; plugin_pdf_interface_ = static_cast(module_->GetPluginInterface( PPP_PDF_INTERFACE_1)); } return !!plugin_pdf_interface_; } bool PluginInstance::LoadPrintInterface() { // Only check for the interface if the plugin has dev permission. if (!module_->permissions().HasPermission(::ppapi::PERMISSION_DEV)) return false; if (!plugin_print_interface_) { plugin_print_interface_ = static_cast( module_->GetPluginInterface(PPP_PRINTING_DEV_INTERFACE)); } return !!plugin_print_interface_; } bool PluginInstance::LoadPrivateInterface() { // Only check for the interface if the plugin has private permission. if (!module_->permissions().HasPermission(::ppapi::PERMISSION_PRIVATE)) return false; if (!plugin_private_interface_) { plugin_private_interface_ = static_cast( module_->GetPluginInterface(PPP_INSTANCE_PRIVATE_INTERFACE)); } return !!plugin_private_interface_; } bool PluginInstance::LoadSelectionInterface() { if (!plugin_selection_interface_) { plugin_selection_interface_ = static_cast(module_->GetPluginInterface( PPP_SELECTION_DEV_INTERFACE)); } return !!plugin_selection_interface_; } bool PluginInstance::LoadTextInputInterface() { if (!plugin_textinput_interface_) { plugin_textinput_interface_ = static_cast(module_->GetPluginInterface( PPP_TEXTINPUT_DEV_INTERFACE)); } return !!plugin_textinput_interface_; } bool PluginInstance::LoadZoomInterface() { if (!plugin_zoom_interface_) { plugin_zoom_interface_ = static_cast(module_->GetPluginInterface( PPP_ZOOM_DEV_INTERFACE)); } return !!plugin_zoom_interface_; } bool PluginInstance::PluginHasFocus() const { return flash_fullscreen_ || (has_webkit_focus_ && has_content_area_focus_); } void PluginInstance::SendFocusChangeNotification() { bool has_focus = PluginHasFocus(); delegate()->PluginFocusChanged(this, has_focus); instance_interface_->DidChangeFocus(pp_instance(), PP_FromBool(has_focus)); } void PluginInstance::UpdateTouchEventRequest() { bool raw_touch = (filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_TOUCH) || (input_event_mask_ & PP_INPUTEVENT_CLASS_TOUCH); container_->requestTouchEventType(raw_touch ? WebKit::WebPluginContainer::TouchEventRequestTypeRaw : WebKit::WebPluginContainer::TouchEventRequestTypeSynthesizedMouse); } bool PluginInstance::IsAcceptingWheelEvents() const { return (filtered_input_event_mask_ & PP_INPUTEVENT_CLASS_WHEEL) || (input_event_mask_ & PP_INPUTEVENT_CLASS_WHEEL); } void PluginInstance::ScheduleAsyncDidChangeView() { if (view_change_weak_ptr_factory_.HasWeakPtrs()) return; // Already scheduled. MessageLoop::current()->PostTask( FROM_HERE, base::Bind(&PluginInstance::SendAsyncDidChangeView, view_change_weak_ptr_factory_.GetWeakPtr())); } void PluginInstance::SendAsyncDidChangeView() { // The bound callback that owns the weak pointer is still valid until after // this function returns. SendDidChangeView checks HasWeakPtrs, so we need to // invalidate them here. // NOTE: If we ever want to have more than one pending callback, it should // use a different factory, or we should have a different strategy here. view_change_weak_ptr_factory_.InvalidateWeakPtrs(); SendDidChangeView(); } void PluginInstance::SendDidChangeView() { // Don't send DidChangeView to crashed plugins. if (module()->is_crashed()) return; if (view_change_weak_ptr_factory_.HasWeakPtrs() || (sent_initial_did_change_view_ && last_sent_view_data_.Equals(view_data_))) return; // Nothing to update. const PP_Size& size = view_data_.rect.size; // Avoid sending a notification with a huge rectangle. if (size.width < 0 || size.width > kMaxPluginSideLength || size.height < 0 || size.height > kMaxPluginSideLength || // We know this won't overflow due to above checks. static_cast(size.width) * static_cast(size.height) > kMaxPluginSize) { return; } sent_initial_did_change_view_ = true; last_sent_view_data_ = view_data_; ScopedPPResource resource( ScopedPPResource::PassRef(), (new PPB_View_Shared(::ppapi::OBJECT_IS_IMPL, pp_instance(), view_data_))->GetReference()); instance_interface_->DidChangeView(pp_instance(), resource, &view_data_.rect, &view_data_.clip_rect); } 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_ && !flash_fullscreen_) container_->reportGeometry(); } bool PluginInstance::GetPreferredPrintOutputFormat( PP_PrintOutputFormat_Dev* format) { // Keep a reference on the stack. See NOTE above. scoped_refptr 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; } return false; } bool PluginInstance::SupportsPrintInterface() { PP_PrintOutputFormat_Dev format; return GetPreferredPrintOutputFormat(&format); } bool PluginInstance::IsPrintScalingDisabled() { DCHECK(plugin_print_interface_); if (!plugin_print_interface_) return false; return plugin_print_interface_->IsScalingDisabled(pp_instance()) == PP_TRUE; } int PluginInstance::PrintBegin(const WebPrintParams& print_params) { // Keep a reference on the stack. See NOTE above. scoped_refptr 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; print_settings.printable_area = PP_FromGfxRect(print_params.printableArea); print_settings.content_area = PP_FromGfxRect(print_params.printContentArea); print_settings.paper_size = PP_FromGfxSize(print_params.paperSize); print_settings.dpi = print_params.printerDPI; print_settings.orientation = PP_PRINTORIENTATION_NORMAL; print_settings.grayscale = PP_FALSE; print_settings.print_scaling_option = static_cast( print_params.printScalingOption); print_settings.format = format; num_pages = plugin_print_interface_->Begin(pp_instance(), &print_settings); if (!num_pages) return 0; current_print_settings_ = print_settings; canvas_ = NULL; ranges_.clear(); return num_pages; } bool PluginInstance::PrintPage(int page_number, WebKit::WebCanvas* canvas) { #if defined(ENABLE_PRINTING) DCHECK(plugin_print_interface_); PP_PrintPageNumberRange_Dev page_range; page_range.first_page_number = page_range.last_page_number = page_number; // The canvas only has a metafile on it for print preview. bool save_for_later = (printing::MetafileSkiaWrapper::GetMetafileFromCanvas(*canvas) != NULL); #if defined(OS_MACOSX) || defined(OS_WIN) save_for_later = save_for_later && skia::IsPreviewMetafile(*canvas); #endif if (save_for_later) { ranges_.push_back(page_range); canvas_ = canvas; return true; } else { return PrintPageHelper(&page_range, 1, canvas); } #else // defined(ENABLED_PRINTING) return false; #endif } 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 ref(this); DCHECK(plugin_print_interface_); if (!plugin_print_interface_) return false; 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); // 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 ref(this); if (!ranges_.empty()) PrintPageHelper(&(ranges_.front()), ranges_.size(), canvas_.get()); canvas_ = NULL; ranges_.clear(); DCHECK(plugin_print_interface_); if (plugin_print_interface_) plugin_print_interface_->End(pp_instance()); memset(¤t_print_settings_, 0, sizeof(current_print_settings_)); #if defined(OS_MACOSX) last_printed_page_ = NULL; #endif // defined(OS_MACOSX) } bool PluginInstance::CanRotateView() { if (!LoadPdfInterface()) return false; return true; } void PluginInstance::SetBoundGraphics2DForTest( PluginDelegate::PlatformGraphics2D* graphics) { BindGraphics(pp_instance(), 0); // Unbind any old stuff. if (graphics) { bound_graphics_2d_platform_ = graphics; bound_graphics_2d_platform_->BindToInstance(this); } } void PluginInstance::RotateView(WebPlugin::RotationType type) { if (!LoadPdfInterface()) return; PP_PrivatePageTransformType transform_type = type == WebPlugin::RotationType90Clockwise ? PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW : PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW; plugin_pdf_interface_->Transform(pp_instance(), transform_type); // NOTE: plugin instance may have been deleted. } bool PluginInstance::FlashIsFullscreenOrPending() { return fullscreen_container_ != NULL; } bool PluginInstance::IsFullscreenOrPending() { return desired_fullscreen_state_; } bool PluginInstance::SetFullscreen(bool fullscreen) { // Keep a reference on the stack. See NOTE above. scoped_refptr ref(this); // 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 false; // Check whether we are trying to switch while the state is in transition. // The 2nd request gets dropped while messing up the internal state, so // disallow this. if (view_data_.is_fullscreen != desired_fullscreen_state_) return false; if (fullscreen && !IsProcessingUserGesture()) return false; VLOG(1) << "Setting fullscreen to " << (fullscreen ? "on" : "off"); desired_fullscreen_state_ = fullscreen; if (fullscreen) { // Create the user gesture in case we're processing one that's pending. WebScopedUserGesture user_gesture(CurrentUserGestureToken()); // WebKit does not resize the plugin to fill the screen in fullscreen mode, // so we will tweak plugin's attributes to support the expected behavior. KeepSizeAttributesBeforeFullscreen(); SetSizeAttributesForFullscreen(); container_->element().requestFullScreen(); } else { container_->element().document().cancelFullScreen(); } return true; } void PluginInstance::FlashSetFullscreen(bool fullscreen, bool delay_report) { TRACE_EVENT0("ppapi", "PluginInstance::FlashSetFullscreen"); // Keep a reference on the stack. See NOTE above. scoped_refptr 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 == FlashIsFullscreenOrPending()) return; // Unbind current 2D or 3D graphics context. VLOG(1) << "Setting fullscreen to " << (fullscreen ? "on" : "off"); if (fullscreen) { DCHECK(!fullscreen_container_); fullscreen_container_ = delegate_->CreateFullscreenContainer(this); UpdateLayer(); } else { DCHECK(fullscreen_container_); fullscreen_container_->Destroy(); fullscreen_container_ = NULL; UpdateFlashFullscreenState(false); if (!delay_report) { ReportGeometry(); } else { MessageLoop::current()->PostTask( FROM_HERE, base::Bind(&PluginInstance::ReportGeometry, this)); } } } void PluginInstance::UpdateFlashFullscreenState(bool flash_fullscreen) { bool is_mouselock_pending = TrackedCallback::IsPending(lock_mouse_callback_); if (flash_fullscreen == flash_fullscreen_) { // Manually clear callback when fullscreen fails with mouselock pending. if (!flash_fullscreen && is_mouselock_pending) lock_mouse_callback_->Run(PP_ERROR_FAILED); return; } PPB_Graphics3D_Impl* graphics_3d = bound_graphics_3d_.get(); if (graphics_3d) { if (flash_fullscreen) { fullscreen_container_->ReparentContext(graphics_3d->platform_context()); } else { delegate_->ReparentContext(graphics_3d->platform_context()); } UpdateLayer(); } bool old_plugin_focus = PluginHasFocus(); flash_fullscreen_ = flash_fullscreen; if (is_mouselock_pending && !delegate()->IsMouseLocked(this)) { if (!IsProcessingUserGesture() && !module_->permissions().HasPermission( ::ppapi::PERMISSION_BYPASS_USER_GESTURE)) { lock_mouse_callback_->Run(PP_ERROR_NO_USER_GESTURE); } else { // Open a user gesture here so the Webkit user gesture checks will succeed // for out-of-process plugins. WebScopedUserGesture user_gesture(CurrentUserGestureToken()); if (!delegate()->LockMouse(this)) lock_mouse_callback_->Run(PP_ERROR_FAILED); } } if (PluginHasFocus() != old_plugin_focus) SendFocusChangeNotification(); } int32_t PluginInstance::Navigate(const ::ppapi::URLRequestInfoData& 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; ::ppapi::URLRequestInfoData completed_request = request; WebURLRequest web_request; if (!CreateWebURLRequest(&completed_request, 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::IsRectTopmost(const gfx::Rect& rect) { if (flash_fullscreen_) return true; return container_->isRectTopmost(rect); } 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) { #if defined(ENABLE_PRINTING) ::ppapi::thunk::EnterResourceNoLock 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( GetProcAddress(pdf_module, "RenderPDFPageToDC")); if (!render_proc) return false; #endif // defined(OS_WIN) bool ret = false; #if defined(OS_LINUX) || defined(OS_MACOSX) // 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_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); DrawEmptyRectangle(dc); gfx::Size size_in_pixels; size_in_pixels.set_width(printing::ConvertUnit( current_print_settings_.printable_area.size.width, static_cast(printing::kPointsPerInch), current_print_settings_.dpi)); size_in_pixels.set_height(printing::ConvertUnit( current_print_settings_.printable_area.size.height, static_cast(printing::kPointsPerInch), current_print_settings_.dpi)); // We need to scale down DC to fit an entire page into DC available area. // First, we'll try to use default scaling based on the 72dpi that is // used in webkit for printing. // If default scaling is not enough to fit the entire PDF without // Current metafile is based on screen DC and have current screen size. // Writing outside of those boundaries will result in the cut-off output. // On metafiles (this is the case here), scaling down will still record // original coordinates and we'll be able to print in full resolution. // Before playback we'll need to counter the scaling up that will happen // in the browser (printed_document_win.cc). double dynamic_scale = gfx::CalculatePageScale(dc, size_in_pixels.width(), size_in_pixels.height()); double page_scale = static_cast(printing::kPointsPerInch) / static_cast(current_print_settings_.dpi); if (dynamic_scale < page_scale) { page_scale = dynamic_scale; printing::MetafileSkiaWrapper::SetCustomScaleOnCanvas(*canvas, page_scale); } gfx::ScaleDC(dc, page_scale); ret = render_proc(static_cast(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, true); skia::EndPlatformPaint(canvas); } #endif // defined(OS_WIN) return ret; #else // defined(ENABLE_PRINTING) return false; #endif } PluginDelegate::PlatformGraphics2D* PluginInstance::GetBoundGraphics2D() const { return bound_graphics_2d_platform_; } void PluginInstance::UpdateLayer() { if (!container_) return; bool want_layer = GetBackingTextureId(); if (want_layer == !!texture_layer_.get() && layer_bound_to_fullscreen_ == !!fullscreen_container_) return; if (texture_layer_) { texture_layer_->ClearClient(); if (!layer_bound_to_fullscreen_) container_->setWebLayer(NULL); else if (fullscreen_container_) fullscreen_container_->SetLayer(NULL); web_layer_.reset(); texture_layer_ = NULL; } if (want_layer) { DCHECK(bound_graphics_3d_.get()); texture_layer_ = cc::TextureLayer::Create(this); web_layer_.reset(new webkit::WebLayerImpl(texture_layer_)); if (fullscreen_container_) { fullscreen_container_->SetLayer(web_layer_.get()); // Ignore transparency in fullscreen, since that's what Flash always // wants to do, and that lets it not recreate a context if // wmode=transparent was specified. texture_layer_->SetContentsOpaque(true); } else { container_->setWebLayer(web_layer_.get()); texture_layer_->SetContentsOpaque(bound_graphics_3d_->IsOpaque()); } } layer_bound_to_fullscreen_ = !!fullscreen_container_; } 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(); } bool PluginInstance::IsProcessingUserGesture() { PP_TimeTicks now = ::ppapi::TimeTicksToPPTimeTicks(base::TimeTicks::Now()); // Give a lot of slack so tests won't be flaky. const PP_TimeTicks kUserGestureDurationInSeconds = 10.0; return pending_user_gesture_token_.hasGestures() && (now - pending_user_gesture_ < kUserGestureDurationInSeconds); } WebUserGestureToken PluginInstance::CurrentUserGestureToken() { if (!IsProcessingUserGesture()) pending_user_gesture_token_ = WebUserGestureToken(); return pending_user_gesture_token_; } void PluginInstance::OnLockMouseACK(bool succeeded) { if (TrackedCallback::IsPending(lock_mouse_callback_)) lock_mouse_callback_->Run(succeeded ? PP_OK : PP_ERROR_FAILED); } void PluginInstance::OnMouseLockLost() { if (LoadMouseLockInterface()) plugin_mouse_lock_interface_->MouseLockLost(pp_instance()); } void PluginInstance::HandleMouseLockedInputEvent( const WebKit::WebMouseEvent& event) { // |cursor_info| is ignored since it is hidden when the mouse is locked. WebKit::WebCursorInfo cursor_info; HandleInputEvent(event, &cursor_info); } void PluginInstance::SimulateInputEvent(const InputEventData& input_event) { WebView* web_view = container()->element().document().frame()->view(); if (!web_view) { NOTREACHED(); return; } bool handled = SimulateIMEEvent(input_event); if (handled) return; std::vector > events = CreateSimulatedWebInputEvents( input_event, view_data_.rect.point.x + view_data_.rect.size.width / 2, view_data_.rect.point.y + view_data_.rect.size.height / 2); for (std::vector >::iterator it = events.begin(); it != events.end(); ++it) { web_view->handleInputEvent(*it->get()); } } bool PluginInstance::SimulateIMEEvent(const InputEventData& input_event) { switch (input_event.event_type) { case PP_INPUTEVENT_TYPE_IME_COMPOSITION_START: case PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE: SimulateImeSetCompositionEvent(input_event); break; case PP_INPUTEVENT_TYPE_IME_COMPOSITION_END: DCHECK(input_event.character_text.empty()); SimulateImeSetCompositionEvent(input_event); break; case PP_INPUTEVENT_TYPE_IME_TEXT: delegate()->SimulateImeConfirmComposition( UTF8ToUTF16(input_event.character_text)); break; default: return false; } return true; } void PluginInstance::SimulateImeSetCompositionEvent( const InputEventData& input_event) { std::vector offsets; offsets.push_back(input_event.composition_selection_start); offsets.push_back(input_event.composition_selection_end); offsets.insert(offsets.end(), input_event.composition_segment_offsets.begin(), input_event.composition_segment_offsets.end()); base::string16 utf16_text = base::UTF8ToUTF16AndAdjustOffsets(input_event.character_text, &offsets); std::vector underlines; for (size_t i = 2; i + 1 < offsets.size(); ++i) { WebKit::WebCompositionUnderline underline; underline.startOffset = offsets[i]; underline.endOffset = offsets[i + 1]; if (input_event.composition_target_segment == static_cast(i - 2)) underline.thick = true; underlines.push_back(underline); } delegate()->SimulateImeSetComposition( utf16_text, underlines, offsets[0], offsets[1]); } ContentDecryptorDelegate* PluginInstance::GetContentDecryptorDelegate() { if (content_decryptor_delegate_) return content_decryptor_delegate_.get(); const PPP_ContentDecryptor_Private* plugin_decryption_interface = static_cast( module_->GetPluginInterface( PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE)); if (!plugin_decryption_interface) return NULL; content_decryptor_delegate_.reset( new ContentDecryptorDelegate(pp_instance_, plugin_decryption_interface)); return content_decryptor_delegate_.get(); } PP_Bool PluginInstance::BindGraphics(PP_Instance instance, PP_Resource device) { TRACE_EVENT0("ppapi", "PluginInstance::BindGraphics"); // The Graphics3D instance can't be destroyed until we call // UpdateLayer(). scoped_refptr< ::ppapi::Resource> old_graphics = bound_graphics_3d_.get(); if (bound_graphics_3d_.get()) { bound_graphics_3d_->BindToInstance(false); bound_graphics_3d_ = NULL; } if (bound_graphics_2d_platform_) { GetBoundGraphics2D()->BindToInstance(NULL); bound_graphics_2d_platform_ = NULL; } // Special-case clearing the current device. if (!device) { UpdateLayer(); InvalidateRect(gfx::Rect()); return PP_TRUE; } // Refuse to bind if in transition to fullscreen with PPB_FlashFullscreen or // to/from fullscreen with PPB_Fullscreen. if ((fullscreen_container_ && !flash_fullscreen_) || desired_fullscreen_state_ != view_data_.is_fullscreen) return PP_FALSE; bound_graphics_2d_platform_ = delegate_->GetGraphics2D(this, device); EnterResourceNoLock enter_3d(device, false); PPB_Graphics3D_Impl* graphics_3d = enter_3d.succeeded() ? static_cast(enter_3d.object()) : NULL; if (bound_graphics_2d_platform_) { if (!bound_graphics_2d_platform_->BindToInstance(this)) return PP_FALSE; // Can't bind to more than one instance. } 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_3d_ = graphics_3d; } else { // The device is not a valid resource type. return PP_FALSE; } UpdateLayer(); return PP_TRUE; } PP_Bool PluginInstance::IsFullFrame(PP_Instance instance) { return PP_FromBool(full_frame()); } const ViewData* PluginInstance::GetViewData(PP_Instance instance) { return &view_data_; } PP_Bool PluginInstance::FlashIsFullscreen(PP_Instance instance) { return PP_FromBool(flash_fullscreen_); } 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 ref(this); TryCatch try_catch(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 = false; if (IsProcessingUserGesture()) { WebKit::WebScopedUserGesture user_gesture(CurrentUserGestureToken()); ok = WebBindings::evaluate(NULL, frame->windowObject(), &np_script, &result); } else { ok = WebBindings::evaluate(NULL, frame->windowObject(), &np_script, &result); } if (!ok) { // TryCatch doesn't catch the exceptions properly. Since this is only for // a trusted API, just set to a general exception message. try_catch.SetException("Exception caught"); WebBindings::releaseVariantValue(&result); return PP_MakeUndefined(); } PP_Var ret = NPVariantToPPVar(this, &result); WebBindings::releaseVariantValue(&result); return ret; } uint32_t PluginInstance::GetAudioHardwareOutputSampleRate( PP_Instance instance) { return delegate()->GetAudioHardwareOutputSampleRate(); } uint32_t PluginInstance::GetAudioHardwareOutputBufferSize( PP_Instance instance) { return delegate()->GetAudioHardwareOutputBufferSize(); } PP_Var PluginInstance::GetDefaultCharSet(PP_Instance instance) { std::string encoding = delegate()->GetDefaultEncoding(); return StringVar::StringToPPVar(encoding); } // These PPB_ContentDecryptor_Private calls are responses to // PPP_ContentDecryptor_Private calls made on |content_decryptor_delegate_|. // Therefore, |content_decryptor_delegate_| must have been initialized when // the following methods are called. void PluginInstance::NeedKey(PP_Instance instance, PP_Var key_system_var, PP_Var session_id_var, PP_Var init_data_var) { content_decryptor_delegate_->NeedKey( key_system_var, session_id_var, init_data_var); } void PluginInstance::KeyAdded(PP_Instance instance, PP_Var key_system_var, PP_Var session_id_var) { content_decryptor_delegate_->KeyAdded(key_system_var, session_id_var); } void PluginInstance::KeyMessage(PP_Instance instance, PP_Var key_system_var, PP_Var session_id_var, PP_Var message_var, PP_Var default_url_var) { content_decryptor_delegate_->KeyMessage( key_system_var, session_id_var, message_var, default_url_var); } void PluginInstance::KeyError(PP_Instance instance, PP_Var key_system_var, PP_Var session_id_var, int32_t media_error, int32_t system_code) { content_decryptor_delegate_->KeyError( key_system_var, session_id_var, media_error, system_code); } void PluginInstance::DeliverBlock(PP_Instance instance, PP_Resource decrypted_block, const PP_DecryptedBlockInfo* block_info) { content_decryptor_delegate_->DeliverBlock(decrypted_block, block_info); } void PluginInstance::DecoderInitializeDone(PP_Instance instance, PP_DecryptorStreamType decoder_type, uint32_t request_id, PP_Bool success) { content_decryptor_delegate_->DecoderInitializeDone( decoder_type, request_id, success); } void PluginInstance::DecoderDeinitializeDone( PP_Instance instance, PP_DecryptorStreamType decoder_type, uint32_t request_id) { content_decryptor_delegate_->DecoderDeinitializeDone(decoder_type, request_id); } void PluginInstance::DecoderResetDone(PP_Instance instance, PP_DecryptorStreamType decoder_type, uint32_t request_id) { content_decryptor_delegate_->DecoderResetDone(decoder_type, request_id); } void PluginInstance::DeliverFrame(PP_Instance instance, PP_Resource decrypted_frame, const PP_DecryptedFrameInfo* frame_info) { content_decryptor_delegate_->DeliverFrame(decrypted_frame, frame_info); } void PluginInstance::DeliverSamples(PP_Instance instance, PP_Resource audio_frames, const PP_DecryptedBlockInfo* block_info) { content_decryptor_delegate_->DeliverSamples(audio_frames, block_info); } unsigned PluginInstance::PrepareTexture(cc::ResourceUpdateQueue* queue) { return GetBackingTextureId(); } WebKit::WebGraphicsContext3D* PluginInstance::Context3d() { DCHECK(bound_graphics_3d_.get()); DCHECK(bound_graphics_3d_->platform_context()); return bound_graphics_3d_->platform_context()->GetParentContext(); } bool PluginInstance::PrepareTextureMailbox(cc::TextureMailbox* mailbox) { return false; } void PluginInstance::NumberOfFindResultsChanged(PP_Instance instance, int32_t total, PP_Bool final_result) { DCHECK_NE(find_identifier_, -1); delegate_->NumberOfFindResultsChanged(find_identifier_, total, PP_ToBool(final_result)); } void PluginInstance::SelectedFindResultChanged(PP_Instance instance, int32_t index) { DCHECK_NE(find_identifier_, -1); delegate_->SelectedFindResultChanged(find_identifier_, index); } PP_Bool PluginInstance::SetFullscreen(PP_Instance instance, PP_Bool fullscreen) { return PP_FromBool(SetFullscreen(PP_ToBool(fullscreen))); } 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; } ::ppapi::Resource* PluginInstance::GetSingletonResource( PP_Instance instance, ::ppapi::SingletonResourceID id) { // Flash APIs and some others aren't implemented in-process. switch (id) { case ::ppapi::BROKER_SINGLETON_ID: case ::ppapi::BROWSER_FONT_SINGLETON_ID: case ::ppapi::EXTENSIONS_COMMON_SINGLETON_ID: case ::ppapi::FLASH_CLIPBOARD_SINGLETON_ID: case ::ppapi::FLASH_FILE_SINGLETON_ID: case ::ppapi::FLASH_FULLSCREEN_SINGLETON_ID: case ::ppapi::FLASH_SINGLETON_ID: case ::ppapi::PDF_SINGLETON_ID: case ::ppapi::TRUETYPE_FONT_SINGLETON_ID: NOTIMPLEMENTED(); return NULL; case ::ppapi::GAMEPAD_SINGLETON_ID: return gamepad_impl_; } NOTREACHED(); return NULL; } int32_t PluginInstance::RequestInputEvents(PP_Instance instance, uint32_t event_classes) { input_event_mask_ |= event_classes; filtered_input_event_mask_ &= ~(event_classes); RequestInputEventsHelper(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); RequestInputEventsHelper(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); RequestInputEventsHelper(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; container()->zoomLevelChanged(WebView::zoomFactorToZoomLevel(factor)); } 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); } PP_Bool PluginInstance::SetCursor(PP_Instance instance, PP_MouseCursor_Type type, PP_Resource image, const PP_Point* hot_spot) { if (!ValidateSetCursorParams(type, image, hot_spot)) return PP_FALSE; if (type != PP_MOUSECURSOR_TYPE_CUSTOM) { DoSetCursor(new WebCursorInfo(static_cast(type))); return PP_TRUE; } EnterResourceNoLock enter(image, true); if (enter.failed()) return PP_FALSE; PPB_ImageData_Impl* image_data = static_cast(enter.object()); ImageDataAutoMapper auto_mapper(image_data); if (!auto_mapper.is_valid()) return PP_FALSE; scoped_ptr custom_cursor( new WebCursorInfo(WebCursorInfo::TypeCustom)); custom_cursor->hotSpot.x = hot_spot->x; custom_cursor->hotSpot.y = hot_spot->y; 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 PP_FALSE; } DoSetCursor(custom_cursor.release()); return PP_TRUE; } int32_t PluginInstance::LockMouse(PP_Instance instance, scoped_refptr callback) { if (TrackedCallback::IsPending(lock_mouse_callback_)) return PP_ERROR_INPROGRESS; if (delegate()->IsMouseLocked(this)) return PP_OK; if (!CanAccessMainFrame()) return PP_ERROR_NOACCESS; if (!IsProcessingUserGesture()) return PP_ERROR_NO_USER_GESTURE; // Attempt mouselock only if Flash isn't waiting on fullscreen, otherwise // we wait and call LockMouse() in UpdateFlashFullscreenState(). if (!FlashIsFullscreenOrPending() || flash_fullscreen()) { // Open a user gesture here so the Webkit user gesture checks will succeed // for out-of-process plugins. WebScopedUserGesture user_gesture(CurrentUserGestureToken()); if (!delegate()->LockMouse(this)) return PP_ERROR_FAILED; } // Either mouselock succeeded or a Flash fullscreen is pending. lock_mouse_callback_ = callback; return PP_OK_COMPLETIONPENDING; } void PluginInstance::UnlockMouse(PP_Instance instance) { delegate()->UnlockMouse(this); } void PluginInstance::SetTextInputType(PP_Instance instance, PP_TextInput_Type type) { int itype = type; if (itype < 0 || itype > ui::TEXT_INPUT_TYPE_URL) itype = ui::TEXT_INPUT_TYPE_NONE; text_input_type_ = static_cast(itype); delegate()->PluginTextInputTypeChanged(this); } void PluginInstance::UpdateCaretPosition(PP_Instance instance, const PP_Rect& caret, const PP_Rect& bounding_box) { text_input_caret_ = PP_ToGfxRect(caret); text_input_caret_bounds_ = PP_ToGfxRect(bounding_box); text_input_caret_set_ = true; delegate()->PluginCaretPositionChanged(this); } void PluginInstance::CancelCompositionText(PP_Instance instance) { delegate()->PluginRequestedCancelComposition(this); } void PluginInstance::SelectionChanged(PP_Instance instance) { // TODO(kinaba): currently the browser always calls RequestSurroundingText. // It can be optimized so that it won't call it back until the information // is really needed. // Avoid calling in nested context or else this will reenter the plugin. This // uses a weak pointer rather than exploiting the fact that this class is // refcounted because we don't actually want this operation to affect the // lifetime of the instance. MessageLoop::current()->PostTask(FROM_HERE, base::Bind(&PluginInstance::RequestSurroundingText, AsWeakPtr(), static_cast(kExtraCharsForTextInput))); } void PluginInstance::UpdateSurroundingText(PP_Instance instance, const char* text, uint32_t caret, uint32_t anchor) { surrounding_text_ = text; selection_caret_ = caret; selection_anchor_ = anchor; delegate()->PluginSelectionChanged(this); } PP_Var PluginInstance::ResolveRelativeToDocument( PP_Instance instance, PP_Var relative, PP_URLComponents_Dev* components) { StringVar* relative_string = StringVar::FromPPVar(relative); if (!relative_string) return PP_MakeNull(); WebElement plugin_element = container()->element(); GURL document_url = plugin_element.document().baseURL(); return ::ppapi::PPB_URLUtil_Shared::GenerateURLReturn( document_url.Resolve(relative_string->value()), components); } PP_Bool PluginInstance::DocumentCanRequest(PP_Instance instance, PP_Var url) { StringVar* url_string = StringVar::FromPPVar(url); if (!url_string) return PP_FALSE; WebKit::WebSecurityOrigin security_origin; if (!SecurityOriginForInstance(instance, &security_origin)) return PP_FALSE; GURL gurl(url_string->value()); if (!gurl.is_valid()) return PP_FALSE; return BoolToPPBool(security_origin.canRequest(gurl)); } PP_Bool PluginInstance::DocumentCanAccessDocument(PP_Instance instance, PP_Instance target) { WebKit::WebSecurityOrigin our_origin; if (!SecurityOriginForInstance(instance, &our_origin)) return PP_FALSE; WebKit::WebSecurityOrigin target_origin; if (!SecurityOriginForInstance(instance, &target_origin)) return PP_FALSE; return BoolToPPBool(our_origin.canAccess(target_origin)); } PP_Var PluginInstance::GetDocumentURL(PP_Instance instance, PP_URLComponents_Dev* components) { WebKit::WebDocument document = container()->element().document(); return ::ppapi::PPB_URLUtil_Shared::GenerateURLReturn(document.url(), components); } PP_Var PluginInstance::GetPluginInstanceURL( PP_Instance instance, PP_URLComponents_Dev* components) { return ::ppapi::PPB_URLUtil_Shared::GenerateURLReturn(plugin_url_, components); } PP_NaClResult PluginInstance::ResetAsProxied( scoped_refptr module) { // Save the original module and switch over to the new one now that this // plugin is using the IPC-based proxy. original_module_ = module_; module_ = module; // Don't send any messages to the plugin until DidCreate() has finished. message_channel_->QueueJavaScriptMessages(); // For NaCl instances, remember the NaCl plugin instance interface, so we // can shut it down by calling its DidDestroy in our Delete() method. original_instance_interface_.reset(instance_interface_.release()); base::Callback get_plugin_interface_func = base::Bind(&PluginModule::GetPluginInterface, module_.get()); PPP_Instance_Combined* ppp_instance_combined = PPP_Instance_Combined::Create(get_plugin_interface_func); if (!ppp_instance_combined) { // The proxy must support at least one usable PPP_Instance interface. // While this could be a failure to implement the interface in the NaCl // module, it is more likely that the NaCl process has crashed. Either // way, report that module initialization failed. return PP_NACL_ERROR_MODULE; } instance_interface_.reset(ppp_instance_combined); // Clear all PPP interfaces we may have cached. plugin_find_interface_ = NULL; plugin_input_event_interface_ = NULL; checked_for_plugin_input_event_interface_ = false; plugin_messaging_interface_ = NULL; checked_for_plugin_messaging_interface_ = false; plugin_mouse_lock_interface_ = NULL; plugin_pdf_interface_ = NULL; checked_for_plugin_pdf_interface_ = false; plugin_private_interface_ = NULL; plugin_selection_interface_ = NULL; plugin_textinput_interface_ = NULL; plugin_zoom_interface_ = NULL; // Re-send the DidCreate event via the proxy. scoped_ptr argn_array(StringVectorToArgArray(argn_)); scoped_ptr argv_array(StringVectorToArgArray(argv_)); if (!instance_interface_->DidCreate(pp_instance(), argn_.size(), argn_array.get(), argv_array.get())) return PP_NACL_ERROR_INSTANCE; message_channel_->StopQueueingJavaScriptMessages(); // Clear sent_initial_did_change_view_ and cancel any pending DidChangeView // event. This way, SendDidChangeView will send the "current" view // immediately (before other events like HandleDocumentLoad). sent_initial_did_change_view_ = false; view_change_weak_ptr_factory_.InvalidateWeakPtrs(); SendDidChangeView(); // If we received HandleDocumentLoad, re-send it now via the proxy. if (document_loader_) HandleDocumentLoad(document_loader_.get()); return PP_NACL_OK; } bool PluginInstance::IsValidInstanceOf(PluginModule* module) { DCHECK(module); return module == module_.get() || module == original_module_.get(); } void PluginInstance::DoSetCursor(WebCursorInfo* cursor) { cursor_.reset(cursor); if (fullscreen_container_) { fullscreen_container_->DidChangeCursor(*cursor); } else { delegate()->DidChangeCursor(this, *cursor); } } bool PluginInstance::CanAccessMainFrame() const { if (!container_) return false; WebKit::WebDocument containing_document = container_->element().document(); if (!containing_document.frame() || !containing_document.frame()->view() || !containing_document.frame()->view()->mainFrame()) { return false; } WebKit::WebDocument main_document = containing_document.frame()->view()->mainFrame()->document(); return containing_document.securityOrigin().canAccess( main_document.securityOrigin()); } void PluginInstance::KeepSizeAttributesBeforeFullscreen() { WebElement element = container_->element(); width_before_fullscreen_ = element.getAttribute(WebString::fromUTF8(kWidth)); height_before_fullscreen_ = element.getAttribute(WebString::fromUTF8(kHeight)); border_before_fullscreen_ = element.getAttribute(WebString::fromUTF8(kBorder)); style_before_fullscreen_ = element.getAttribute(WebString::fromUTF8(kStyle)); } void PluginInstance::SetSizeAttributesForFullscreen() { screen_size_for_fullscreen_ = delegate()->GetScreenSize(); std::string width = StringPrintf("%d", screen_size_for_fullscreen_.width()); std::string height = StringPrintf("%d", screen_size_for_fullscreen_.height()); WebElement element = container_->element(); element.setAttribute(WebString::fromUTF8(kWidth), WebString::fromUTF8(width)); element.setAttribute(WebString::fromUTF8(kHeight), WebString::fromUTF8(height)); element.setAttribute(WebString::fromUTF8(kBorder), WebString::fromUTF8("0")); // There should be no style settings that matter in fullscreen mode, // so just replace them instead of appending. // NOTE: "position: fixed" and "display: block" reset the plugin and // using %% settings might not work without them (e.g. if the plugin is a // child of a container element). std::string style; style += StringPrintf("width: %s !important; ", width.c_str()); style += StringPrintf("height: %s !important; ", height.c_str()); style += "margin: 0 !important; padding: 0 !important; border: 0 !important"; container_->element().setAttribute(kStyle, WebString::fromUTF8(style)); } void PluginInstance::ResetSizeAttributesAfterFullscreen() { screen_size_for_fullscreen_ = gfx::Size(); WebElement element = container_->element(); element.setAttribute(WebString::fromUTF8(kWidth), width_before_fullscreen_); element.setAttribute(WebString::fromUTF8(kHeight), height_before_fullscreen_); element.setAttribute(WebString::fromUTF8(kBorder), border_before_fullscreen_); element.setAttribute(WebString::fromUTF8(kStyle), style_before_fullscreen_); } } // namespace ppapi } // namespace webkit