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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Window.h"
#include "SkSurface.h"
#include "SkCanvas.h"
#include "WindowContext.h"
namespace sk_app {
static void default_backend_created_func(void* userData) {}
static bool default_char_func(SkUnichar c, uint32_t modifiers, void* userData) {
return false;
}
static bool default_key_func(Window::Key key, Window::InputState state, uint32_t modifiers,
void* userData) {
return false;
}
static bool default_mouse_func(int x, int y, Window::InputState state, uint32_t modifiers,
void* userData) {
return false;
}
static bool default_mouse_wheel_func(float delta, uint32_t modifiers, void* userData) {
return false;
}
static bool default_touch_func(intptr_t owner, Window::InputState state, float x, float y,
void* userData) {
return false;
}
static void default_ui_state_changed_func(
const SkString& stateName, const SkString& stateValue, void* userData) {}
static void default_paint_func(SkCanvas*, void* userData) {}
Window::Window() : fBackendCreatedFunc(default_backend_created_func)
, fCharFunc(default_char_func)
, fKeyFunc(default_key_func)
, fMouseFunc(default_mouse_func)
, fMouseWheelFunc(default_mouse_wheel_func)
, fTouchFunc(default_touch_func)
, fUIStateChangedFunc(default_ui_state_changed_func)
, fPaintFunc(default_paint_func) {
}
void Window::detach() {
delete fWindowContext;
fWindowContext = nullptr;
}
void Window::onBackendCreated() {
fBackendCreatedFunc(fBackendCreatedUserData);
}
bool Window::onChar(SkUnichar c, uint32_t modifiers) {
return fCharFunc(c, modifiers, fCharUserData);
}
bool Window::onKey(Key key, InputState state, uint32_t modifiers) {
return fKeyFunc(key, state, modifiers, fKeyUserData);
}
bool Window::onMouse(int x, int y, InputState state, uint32_t modifiers) {
return fMouseFunc(x, y, state, modifiers, fMouseUserData);
}
bool Window::onMouseWheel(float delta, uint32_t modifiers) {
return fMouseWheelFunc(delta, modifiers, fMouseWheelUserData);
}
bool Window::onTouch(intptr_t owner, InputState state, float x, float y) {
return fTouchFunc(owner, state, x, y, fTouchUserData);
}
void Window::onUIStateChanged(const SkString& stateName, const SkString& stateValue) {
return fUIStateChangedFunc(stateName, stateValue, fUIStateChangedUserData);
}
void Window::onPaint() {
if (!fWindowContext) {
return;
}
markInvalProcessed();
sk_sp<SkSurface> backbuffer = fWindowContext->getBackbufferSurface();
if (backbuffer) {
// draw into the canvas of this surface
SkCanvas* canvas = backbuffer->getCanvas();
fPaintFunc(canvas, fPaintUserData);
canvas->flush();
fWindowContext->swapBuffers();
} else {
printf("no backbuffer!?\n");
// try recreating testcontext
}
}
void Window::onResize(int w, int h) {
if (!fWindowContext) {
return;
}
fWindowContext->resize(w, h);
}
int Window::width() {
if (!fWindowContext) {
return 0;
}
return fWindowContext->width();
}
int Window::height() {
if (!fWindowContext) {
return 0;
}
return fWindowContext->height();
}
void Window::setRequestedDisplayParams(const DisplayParams& params, bool /* allowReattach */) {
fRequestedDisplayParams = params;
if (fWindowContext) {
fWindowContext->setDisplayParams(fRequestedDisplayParams);
}
}
int Window::sampleCount() const {
if (!fWindowContext) {
return -1;
}
return fWindowContext->sampleCount();
}
int Window::stencilBits() const {
if (!fWindowContext) {
return -1;
}
return fWindowContext->stencilBits();
}
const GrContext* Window::getGrContext() const {
if (!fWindowContext) {
return nullptr;
}
return fWindowContext->getGrContext();
}
void Window::inval() {
if (!fWindowContext) {
return;
}
if (!fIsContentInvalidated) {
fIsContentInvalidated = true;
onInval();
}
}
void Window::markInvalProcessed() {
fIsContentInvalidated = false;
}
} // namespace sk_app
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