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// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file.
#import <Cocoa/Cocoa.h>
#include <OpenGL/gl.h>
#include "cefclient/osrtest_mac.h"
#include "include/cef_browser.h"
#include "cefclient/osrenderer.h"
#include "cefclient/client_popup_handler.h"
#include "cefclient/resource_util.h"
#include "cefclient/util.h"
// The client OpenGL view.
@interface ClientOpenGLView : NSOpenGLView {
@public
NSTrackingArea* tracking_area_;
CefRefPtr<CefBrowser> browser_;
ClientOSRenderer* renderer_;
NSPoint last_mouse_pos_;
NSPoint cur_mouse_pos_;
bool rotating_;
}
- (id)initWithFrame:(NSRect)frame andTransparency:(bool)transparency;
- (NSPoint)getClickPointForEvent:(NSEvent*)event;
- (void)getKeyInfo:(CefKeyInfo&)info forEvent:(NSEvent*)event;
- (int)getModifiersForEvent:(NSEvent*)event;
- (BOOL)isKeyUpEvent:(NSEvent*)event;
- (BOOL)isKeyPadEvent:(NSEvent*)event;
@end
namespace {
// Handler for off-screen rendering windows.
class ClientOSRHandler : public CefClient,
public CefLifeSpanHandler,
public CefLoadHandler,
public CefRequestHandler,
public CefDisplayHandler,
public CefRenderHandler {
public:
explicit ClientOSRHandler(ClientOpenGLView* view)
: view_(view) {
}
~ClientOSRHandler() {
}
void Disconnect() {
view_ = nil;
}
// CefClient methods
virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() OVERRIDE {
return this;
}
virtual CefRefPtr<CefLoadHandler> GetLoadHandler() OVERRIDE {
return this;
}
virtual CefRefPtr<CefRequestHandler> GetRequestHandler() OVERRIDE {
return this;
}
virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() OVERRIDE {
return this;
}
virtual CefRefPtr<CefRenderHandler> GetRenderHandler() OVERRIDE {
return this;
}
// CefLifeSpanHandler methods
virtual bool OnBeforePopup(CefRefPtr<CefBrowser> parentBrowser,
const CefPopupFeatures& popupFeatures,
CefWindowInfo& windowInfo,
const CefString& url,
CefRefPtr<CefClient>& client,
CefBrowserSettings& settings) OVERRIDE {
REQUIRE_UI_THREAD();
windowInfo.m_bWindowRenderingDisabled = TRUE;
client = new ClientPopupHandler(view_->browser_);
return false;
}
virtual void OnAfterCreated(CefRefPtr<CefBrowser> browser) OVERRIDE {
REQUIRE_UI_THREAD();
// Set the view size to match the window size.
const NSRect bounds = [view_ bounds];
browser->SetSize(PET_VIEW, bounds.size.width, bounds.size.height);
view_->browser_ = browser;
}
virtual void OnBeforeClose(CefRefPtr<CefBrowser> browser) OVERRIDE {
if (view_)
view_->browser_ = NULL;
}
// CefLoadHandler methods
virtual void OnLoadStart(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame) OVERRIDE {
REQUIRE_UI_THREAD();
if (!browser->IsPopup() && frame->IsMain()) {
// We've just started loading a page
SetLoading(true);
}
}
virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int httpStatusCode) OVERRIDE {
REQUIRE_UI_THREAD();
if (!browser->IsPopup() && frame->IsMain()) {
// We've just finished loading a page
SetLoading(false);
}
}
// CefRequestHandler methods
virtual bool OnBeforeResourceLoad(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefRequest> request,
CefString& redirectUrl,
CefRefPtr<CefStreamReader>& resourceStream,
CefRefPtr<CefResponse> response,
int loadFlags) OVERRIDE {
REQUIRE_IO_THREAD();
std::string url = request->GetURL();
if (url == "http://tests/osrtest") {
// Show the osrtest HTML contents
resourceStream = GetBinaryResourceReader("osrtest.html");
response->SetMimeType("text/html");
response->SetStatus(200);
} else if (url == "http://tests/transparency") {
// Show the osrtest HTML contents
resourceStream = GetBinaryResourceReader("transparency.html");
response->SetMimeType("text/html");
response->SetStatus(200);
} else if (strstr(url.c_str(), "/logoball.png") != NULL) {
// Load the "logoball.png" image resource.
resourceStream = GetBinaryResourceReader("logoball.png");
response->SetMimeType("image/png");
response->SetStatus(200);
}
return false;
}
// CefDisplayHandler methods
virtual void OnNavStateChange(CefRefPtr<CefBrowser> browser,
bool canGoBack,
bool canGoForward) OVERRIDE {
REQUIRE_UI_THREAD();
}
virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
const CefString& url) OVERRIDE {
REQUIRE_UI_THREAD();
}
virtual void OnTitleChange(CefRefPtr<CefBrowser> browser,
const CefString& title) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return;
// Set the frame window title bar
NSWindow* window = [view_ window];
std::string titleStr(title);
NSString* str = [NSString stringWithUTF8String:titleStr.c_str()];
[window setTitle:str];
}
// CefRenderHandler methods
virtual bool GetViewRect(CefRefPtr<CefBrowser> browser,
CefRect& rect) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return false;
// The simulated screen and view rectangle are the same. This is necessary
// for popup menus to be located and sized inside the view.
const NSRect bounds = [view_ bounds];
rect.x = rect.y = 0;
rect.width = bounds.size.width;
rect.height = bounds.size.height;
return true;
}
virtual bool GetScreenRect(CefRefPtr<CefBrowser> browser,
CefRect& rect) OVERRIDE {
return GetViewRect(browser, rect);
}
virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
int viewX,
int viewY,
int& screenX,
int& screenY) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return false;
// Convert the point from view coordinates to actual screen coordinates.
NSRect bounds = [view_ bounds];
NSPoint view_pt = {viewX, bounds.size.height - viewY};
NSPoint window_pt = [view_ convertPoint:view_pt toView:nil];
NSPoint screen_pt = [[view_ window] convertBaseToScreen:window_pt];
screenX = screen_pt.x;
screenY = screen_pt.y;
return true;
}
virtual void OnPopupShow(CefRefPtr<CefBrowser> browser,
bool show) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return;
view_->renderer_->OnPopupShow(browser, show);
}
virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
const CefRect& rect) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return;
view_->renderer_->OnPopupSize(browser, rect);
}
virtual void OnPaint(CefRefPtr<CefBrowser> browser,
PaintElementType type,
const RectList& dirtyRects,
const void* buffer) OVERRIDE {
REQUIRE_UI_THREAD();
if (!view_)
return;
[[view_ openGLContext] makeCurrentContext];
view_->renderer_->OnPaint(browser, type, dirtyRects, buffer);
// Notify the view to redraw the invalidated regions.
{
RectList::const_iterator i = dirtyRects.begin();
for (; i != dirtyRects.end(); ++i) {
NSRect rect = {{i->x, i->y}, {i->width, i->height}};
[view_ setNeedsDisplayInRect:rect];
}
}
}
virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,
CefCursorHandle cursor) OVERRIDE {
REQUIRE_UI_THREAD();
[cursor set];
}
private:
void SetLoading(bool isLoading) {
}
ClientOpenGLView* view_;
// Include the default reference counting implementation.
IMPLEMENT_REFCOUNTING(ClientOSRPlugin);
};
} // namespace
@implementation ClientOpenGLView
- (id)initWithFrame:(NSRect)frame andTransparency:(bool)transparency {
NSOpenGLPixelFormat * pixelFormat =
[[NSOpenGLPixelFormat alloc]
initWithAttributes:(NSOpenGLPixelFormatAttribute[]) {
NSOpenGLPFAWindow,
NSOpenGLPFADoubleBuffer,
NSOpenGLPFADepthSize,
32,
0}];
[pixelFormat autorelease];
self = [super initWithFrame:frame pixelFormat:pixelFormat];
if (self) {
renderer_ = new ClientOSRenderer(transparency);
rotating_ = false;
tracking_area_ =
[[NSTrackingArea alloc] initWithRect:frame
options:NSTrackingMouseMoved |
NSTrackingActiveInActiveApp |
NSTrackingInVisibleRect
owner:self
userInfo:nil];
[self addTrackingArea:tracking_area_];
}
return self;
}
- (void)dealloc {
if (browser_) {
static_cast<ClientOSRHandler*>(browser_->GetClient().get())->Disconnect();
browser_->CloseBrowser();
browser_ = NULL;
}
if (renderer_)
delete renderer_;
[super dealloc];
}
- (void)drawRect: (NSRect)bounds {
NSOpenGLContext* context = [self openGLContext];
[context makeCurrentContext];
renderer_->Render();
[context flushBuffer];
}
- (void)setFrame:(NSRect)frameRect {
[super setFrame:frameRect];
int width = frameRect.size.width;
int height = frameRect.size.height;
[[self openGLContext] makeCurrentContext];
renderer_->SetSize(width, height);
if (browser_)
browser_->SetSize(PET_VIEW, width, height);
}
- (void)mouseDown:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_LEFT, false, clickCount);
}
- (void)rightMouseDown:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
if ([event modifierFlags] & NSShiftKeyMask) {
// Start rotation effect.
last_mouse_pos_ = cur_mouse_pos_ = point;
rotating_ = true;
return;
}
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_RIGHT, false, clickCount);
}
- (void)otherMouseDown:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_MIDDLE, false,
clickCount);
}
- (void)mouseUp:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_LEFT, true, clickCount);
}
- (void)rightMouseUp:(NSEvent *)event {
if (!browser_)
return;
if (rotating_) {
// End rotation effect.
renderer_->SetSpin(0, 0);
rotating_ = false;
[self setNeedsDisplay:YES];
return;
}
NSPoint point = [self getClickPointForEvent:event];
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_RIGHT, true, clickCount);
}
- (void)otherMouseUp:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
int clickCount = [event clickCount];
browser_->SendMouseClickEvent(point.x, point.y, MBT_MIDDLE, true, clickCount);
}
- (void)mouseMoved:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
if (rotating_) {
// Apply rotation effect.
cur_mouse_pos_ = point;
renderer_->IncrementSpin((cur_mouse_pos_.x - last_mouse_pos_.x),
(cur_mouse_pos_.y - last_mouse_pos_.y));
last_mouse_pos_ = cur_mouse_pos_;
[self setNeedsDisplay:YES];
return;
}
browser_->SendMouseMoveEvent(point.x, point.y, false);
}
- (void)mouseDragged:(NSEvent *)event {
[self mouseMoved:event];
}
- (void)rightMouseDragged:(NSEvent *)event {
[self mouseMoved:event];
}
- (void)otherMouseDragged:(NSEvent *)event {
[self mouseMoved:event];
}
- (void)mouseEntered:(NSEvent *)event {
[self mouseMoved:event];
}
- (void)mouseExited:(NSEvent *)event {
if (!browser_)
return;
NSPoint point = [self getClickPointForEvent:event];
browser_->SendMouseMoveEvent(point.x, point.y, true);
}
- (void)keyDown:(NSEvent *)event {
if (!browser_)
return;
CefKeyInfo keyInfo;
[self getKeyInfo:keyInfo forEvent:event];
int modifiers = [self getModifiersForEvent:event];
browser_->SendKeyEvent(KT_KEYDOWN, keyInfo, modifiers);
if ([event modifierFlags] & (NSNumericPadKeyMask | NSFunctionKeyMask)) {
// Don't send a Char event for non-char keys like arrows, function keys and
// clear.
switch (keyInfo.keyCode) {
case 81: // =
case 75: // /
case 67: // *
case 78: // -
case 69: // +
case 76: // Enter
case 65: // .
case 82: // 0
case 83: // 1
case 84: // 2
case 85: // 3
case 86: // 4
case 87: // 5
case 88: // 6
case 89: // 7
case 91: // 8
case 92: // 9
break;
default:
return;
}
}
browser_->SendKeyEvent(KT_CHAR, keyInfo, modifiers);
}
- (void)keyUp:(NSEvent *)event {
if (!browser_)
return;
CefKeyInfo keyInfo;
[self getKeyInfo:keyInfo forEvent:event];
int modifiers = [self getModifiersForEvent:event];
browser_->SendKeyEvent(KT_KEYUP, keyInfo, modifiers);
}
- (void)flagsChanged:(NSEvent *)event {
if ([self isKeyUpEvent:event])
[self keyUp:event];
else
[self keyDown:event];
}
- (void)scrollWheel:(NSEvent *)event {
if (!browser_)
return;
CGEventRef cgEvent = [event CGEvent];
ASSERT(cgEvent);
NSPoint point = [self getClickPointForEvent:event];
int deltaX =
CGEventGetIntegerValueField(cgEvent, kCGScrollWheelEventPointDeltaAxis2);
int deltaY =
CGEventGetIntegerValueField(cgEvent, kCGScrollWheelEventPointDeltaAxis1);
browser_->SendMouseWheelEvent(point.x, point.y, deltaX, deltaY);
}
- (BOOL)canBecomeKeyView {
return (browser_ != NULL);
}
- (BOOL)acceptsFirstResponder {
return (browser_ != NULL);
}
- (BOOL)becomeFirstResponder {
if (browser_) {
browser_->SendFocusEvent(true);
return [super becomeFirstResponder];
}
return NO;
}
- (BOOL)resignFirstResponder {
if (browser_) {
browser_->SendFocusEvent(false);
return [super resignFirstResponder];
}
return NO;
}
- (void)undo:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Undo();
}
- (void)redo:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Redo();
}
- (void)cut:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Cut();
}
- (void)copy:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Copy();
}
- (void)paste:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Paste();
}
- (void)delete:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->Delete();
}
- (void)selectAll:(id)sender {
if (browser_)
browser_->GetFocusedFrame()->SelectAll();
}
- (NSPoint)getClickPointForEvent:(NSEvent*)event {
NSPoint windowLocal = [event locationInWindow];
NSPoint contentLocal = [self convertPoint:windowLocal fromView:nil];
int x = contentLocal.x;
int y = [self frame].size.height - contentLocal.y; // Flip y.
return {x,y};
}
- (void)getKeyInfo:(CefKeyInfo&)info forEvent:(NSEvent*)event {
if ([event type] == NSKeyDown || [event type] == NSKeyUp) {
NSString* s = [event characters];
if ([s length] > 0)
info.character = [s characterAtIndex:0];
s = [event charactersIgnoringModifiers];
if ([s length] > 0)
info.characterNoModifiers = [s characterAtIndex:0];
}
info.keyCode = [event keyCode];
}
- (int)getModifiersForEvent:(NSEvent*)event {
int modifiers = 0;
if ([event modifierFlags] & NSControlKeyMask)
modifiers |= KEY_CTRL;
if ([event modifierFlags] & NSShiftKeyMask)
modifiers |= KEY_SHIFT;
if ([event modifierFlags] & NSAlternateKeyMask)
modifiers |= KEY_ALT;
if ([event modifierFlags] & NSCommandKeyMask)
modifiers |= KEY_META;
if ([self isKeyPadEvent:event])
modifiers |= KEY_KEYPAD;
return modifiers;
}
- (BOOL)isKeyUpEvent:(NSEvent*)event {
if ([event type] != NSFlagsChanged)
return [event type] == NSKeyUp;
// FIXME: This logic fails if the user presses both Shift keys at once, for
// example: we treat releasing one of them as keyDown.
switch ([event keyCode]) {
case 54: // Right Command
case 55: // Left Command
return ([event modifierFlags] & NSCommandKeyMask) == 0;
case 57: // Capslock
return ([event modifierFlags] & NSAlphaShiftKeyMask) == 0;
case 56: // Left Shift
case 60: // Right Shift
return ([event modifierFlags] & NSShiftKeyMask) == 0;
case 58: // Left Alt
case 61: // Right Alt
return ([event modifierFlags] & NSAlternateKeyMask) == 0;
case 59: // Left Ctrl
case 62: // Right Ctrl
return ([event modifierFlags] & NSControlKeyMask) == 0;
case 63: // Function
return ([event modifierFlags] & NSFunctionKeyMask) == 0;
}
return false;
}
- (BOOL)isKeyPadEvent:(NSEvent*)event {
if ([event modifierFlags] & NSNumericPadKeyMask)
return true;
switch ([event keyCode]) {
case 71: // Clear
case 81: // =
case 75: // /
case 67: // *
case 78: // -
case 69: // +
case 76: // Enter
case 65: // .
case 82: // 0
case 83: // 1
case 84: // 2
case 85: // 3
case 86: // 4
case 87: // 5
case 88: // 6
case 89: // 7
case 91: // 8
case 92: // 9
return true;
}
return false;
}
@end
namespace osrtest {
void RunTest(bool transparent) {
NSRect screen_rect = [[NSScreen mainScreen] visibleFrame];
NSRect window_rect = {{0, screen_rect.size.height}, {700, 700}};
NSWindow* newWnd = [[NSWindow alloc]
initWithContentRect:window_rect
styleMask:(NSTitledWindowMask |
NSClosableWindowMask |
NSMiniaturizableWindowMask |
NSResizableWindowMask |
NSUnifiedTitleAndToolbarWindowMask)
backing:NSBackingStoreBuffered
defer:NO];
ASSERT(newWnd);
ClientOpenGLView* view = [[ClientOpenGLView alloc] initWithFrame:window_rect
andTransparency:transparent];
[view setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
[newWnd setContentView:view];
[view release];
CefWindowInfo info;
CefBrowserSettings settings;
// Initialize the window info as off-screen.
info.SetAsOffScreen(view);
info.SetTransparentPainting(transparent);
// Creat the browser window.
CefBrowser::CreateBrowser(info, new ClientOSRHandler(view),
"http://tests/osrtest", settings);
[newWnd makeKeyAndOrderFront: nil];
}
} // namespace osrtest
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