15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 58bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#include <algorithm> 68bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/graphics_2d.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/image_data.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/input_event.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/instance.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/mouse_cursor.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/view.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void FillRect(pp::ImageData* image, int left, int top, int width, int height, 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t color) { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int y = std::max(0, top); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y < std::min(image->size().height() - 1, top + height); 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y++) { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int x = std::max(0, left); 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x < std::min(image->size().width() - 1, left + width); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x++) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image->GetAddr32(pp::Point(x, y)) = color; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyInstance : public pp::Instance { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MyInstance(PP_Instance instance) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : pp::Instance(instance), width_(0), height_(0) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~MyInstance() { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DidChangeView(const pp::View& view) { 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) width_ = view.GetRect().width(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) height_ = view.GetRect().height(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool HandleInputEvent(const pp::InputEvent& event) { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (event.GetType()) { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case PP_INPUTEVENT_TYPE_MOUSEDOWN: 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case PP_INPUTEVENT_TYPE_MOUSEMOVE: 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleMove(pp::MouseInputEvent(event)); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case PP_INPUTEVENT_TYPE_KEYDOWN: 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void HandleMove(const pp::MouseInputEvent& event) { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point point = event.GetPosition(); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int segments = 3; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (point.y() < height_ / segments) { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Top part gets custom cursor of wait. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::MouseCursor::SetCursor(this, PP_MOUSECURSOR_TYPE_WAIT); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (point.y() < (height_ / segments) * 2) { 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Next part gets custom image cursor. 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::ImageData cursor(this, pp::ImageData::GetNativeImageDataFormat(), 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Size(32, 32), true); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that in real life you will need to handle the case where the 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // native format is different. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FillRect(&cursor, 0, 0, 32, 32, 0x80000080); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::MouseCursor::SetCursor(this, PP_MOUSECURSOR_TYPE_CUSTOM, cursor, 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(16, 16)); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Next part gets no cursor. 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::MouseCursor::SetCursor(this, PP_MOUSECURSOR_TYPE_NONE); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width_; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height_; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyModule : public pp::Module { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MyModule() : pp::Module() {} 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~MyModule() {} 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual pp::Instance* CreateInstance(PP_Instance instance) { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyInstance(instance); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Factory function for your specialization of the Module object. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Module* CreateModule() { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyModule(); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 101