gecko/modules/plugin/test/testplugin/nptest_macosx.mm

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/* ***** BEGIN LICENSE BLOCK *****
*
* Copyright (c) 2008, Mozilla Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the Mozilla Corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
*
* ***** END LICENSE BLOCK ***** */
#include "nptest_platform.h"
#include <CoreServices/CoreServices.h>
using namespace std;
#ifdef __LP64__
// 64-bit requires the Cocoa event model
#define USE_COCOA_NPAPI 1
#endif
bool
pluginSupportsWindowMode()
{
return false;
}
bool
pluginSupportsWindowlessMode()
{
return true;
}
NPError
pluginInstanceInit(InstanceData* instanceData)
{
NPP npp = instanceData->npp;
NPBool supportsCoreGraphics = false;
if ((NPN_GetValue(npp, NPNVsupportsCoreGraphicsBool, &supportsCoreGraphics) == NPERR_NO_ERROR) &&
supportsCoreGraphics) {
NPN_SetValue(npp, NPPVpluginDrawingModel, (void*)NPDrawingModelCoreGraphics);
} else {
printf("CoreGraphics drawing model not supported, can't create a plugin instance.\n");
return NPERR_INCOMPATIBLE_VERSION_ERROR;
}
#ifdef USE_COCOA_NPAPI
NPBool supportsCocoaEvents = false;
if ((NPN_GetValue(npp, NPNVsupportsCocoaBool, &supportsCocoaEvents) == NPERR_NO_ERROR) &&
supportsCocoaEvents) {
NPN_SetValue(npp, NPPVpluginEventModel, (void*)NPEventModelCocoa);
} else {
printf("Cocoa event model not supported, can't create a plugin instance.\n");
return NPERR_INCOMPATIBLE_VERSION_ERROR;
}
#endif
return NPERR_NO_ERROR;
}
void
pluginInstanceShutdown(InstanceData* instanceData)
{
}
static bool
RectEquals(const NPRect& r1, const NPRect& r2)
{
return r1.left == r2.left && r1.top == r2.top &&
r1.right == r2.right && r1.bottom == r2.bottom;
}
void
pluginDoSetWindow(InstanceData* instanceData, NPWindow* newWindow)
{
// Ugh. Due to a terrible Gecko bug, we have to ignore position changes
// when the clip rect doesn't change; the position can be wrong
// when set by a path other than nsObjectFrame::FixUpPluginWindow.
int32_t oldX = instanceData->window.x;
int32_t oldY = instanceData->window.y;
bool clipChanged =
!RectEquals(instanceData->window.clipRect, newWindow->clipRect);
instanceData->window = *newWindow;
if (!clipChanged) {
instanceData->window.x = oldX;
instanceData->window.y = oldY;
}
}
void
pluginWidgetInit(InstanceData* instanceData, void* oldWindow)
{
// Should never be called since we don't support window mode
}
static void
GetColorsFromRGBA(PRUint32 rgba, float* r, float* g, float* b, float* a)
{
*b = (rgba & 0xFF) / 255.0;
*g = ((rgba & 0xFF00) >> 8) / 255.0;
*r = ((rgba & 0xFF0000) >> 16) / 255.0;
*a = ((rgba & 0xFF000000) >> 24) / 255.0;
}
static void
#ifdef USE_COCOA_NPAPI
pluginDraw(InstanceData* instanceData, NPCocoaEvent* event)
#else
pluginDraw(InstanceData* instanceData)
#endif
{
if (!instanceData)
return;
NPP npp = instanceData->npp;
if (!npp)
return;
const char* uaString = NPN_UserAgent(npp);
if (!uaString)
return;
NPWindow window = instanceData->window;
#ifdef USE_COCOA_NPAPI
CGContextRef cgContext = event->data.draw.context;
#else
CGContextRef cgContext = ((NP_CGContext*)(window.window))->context;
#endif
float windowWidth = window.width;
float windowHeight = window.height;
switch(instanceData->scriptableObject->drawMode) {
case DM_DEFAULT: {
CFStringRef uaCFString = CFStringCreateWithCString(kCFAllocatorDefault, uaString, kCFStringEncodingASCII);
// save the cgcontext gstate
CGContextSaveGState(cgContext);
// we get a flipped context
CGContextTranslateCTM(cgContext, 0.0, windowHeight);
CGContextScaleCTM(cgContext, 1.0, -1.0);
// draw a gray background for the plugin
CGContextAddRect(cgContext, CGRectMake(0, 0, windowWidth, windowHeight));
CGContextSetGrayFillColor(cgContext, 0.5, 1.0);
CGContextDrawPath(cgContext, kCGPathFill);
// draw a black frame around the plugin
CGContextAddRect(cgContext, CGRectMake(0, 0, windowWidth, windowHeight));
CGContextSetGrayStrokeColor(cgContext, 0.0, 1.0);
CGContextSetLineWidth(cgContext, 6.0);
CGContextStrokePath(cgContext);
#ifdef USE_COCOA_NPAPI // draw the UA string using Core Text
CGContextSetTextMatrix(cgContext, CGAffineTransformIdentity);
// Initialize a rectangular path.
CGMutablePathRef path = CGPathCreateMutable();
CGRect bounds = CGRectMake(10.0, 10.0, windowWidth - 20.0, windowHeight - 20.0);
CGPathAddRect(path, NULL, bounds);
// Initialize an attributed string.
CFMutableAttributedStringRef attrString = CFAttributedStringCreateMutable(kCFAllocatorDefault, 0);
CFAttributedStringReplaceString(attrString, CFRangeMake(0, 0), uaCFString);
// Create a color and add it as an attribute to the string.
CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
CGFloat components[] = { 0.0, 0.0, 0.0, 1.0 };
CGColorRef red = CGColorCreate(rgbColorSpace, components);
CGColorSpaceRelease(rgbColorSpace);
CFAttributedStringSetAttribute(attrString, CFRangeMake(0, 50), kCTForegroundColorAttributeName, red);
// Create the framesetter with the attributed string.
CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString(attrString);
CFRelease(attrString);
// Create the frame and draw it into the graphics context
CTFrameRef frame = CTFramesetterCreateFrame(framesetter, CFRangeMake(0, 0), path, NULL);
CFRelease(framesetter);
CTFrameDraw(frame, cgContext);
CFRelease(frame);
#else // draw the UA string using ATSUI
CGContextSetGrayFillColor(cgContext, 0.0, 1.0);
ATSUStyle atsuStyle;
ATSUCreateStyle(&atsuStyle);
CFIndex stringLength = CFStringGetLength(uaCFString);
UniChar* unicharBuffer = (UniChar*)malloc((stringLength + 1) * sizeof(UniChar));
CFStringGetCharacters(uaCFString, CFRangeMake(0, stringLength), unicharBuffer);
UniCharCount runLengths = kATSUToTextEnd;
ATSUTextLayout atsuLayout;
ATSUCreateTextLayoutWithTextPtr(unicharBuffer,
kATSUFromTextBeginning,
kATSUToTextEnd,
stringLength,
1,
&runLengths,
&atsuStyle,
&atsuLayout);
ATSUAttributeTag contextTag = kATSUCGContextTag;
ByteCount byteSize = sizeof(CGContextRef);
ATSUAttributeValuePtr contextATSUPtr = &cgContext;
ATSUSetLayoutControls(atsuLayout, 1, &contextTag, &byteSize, &contextATSUPtr);
ATSUTextMeasurement lineAscent, lineDescent;
ATSUGetLineControl(atsuLayout,
kATSUFromTextBeginning,
kATSULineAscentTag,
sizeof(ATSUTextMeasurement),
&lineAscent,
&byteSize);
ATSUGetLineControl(atsuLayout,
kATSUFromTextBeginning,
kATSULineDescentTag,
sizeof(ATSUTextMeasurement),
&lineDescent,
&byteSize);
float lineHeight = FixedToFloat(lineAscent) + FixedToFloat(lineDescent);
ItemCount softBreakCount;
ATSUBatchBreakLines(atsuLayout,
kATSUFromTextBeginning,
stringLength,
FloatToFixed(windowWidth - 10.0),
&softBreakCount);
ATSUGetSoftLineBreaks(atsuLayout,
kATSUFromTextBeginning,
kATSUToTextEnd,
0, NULL, &softBreakCount);
UniCharArrayOffset* softBreaks = (UniCharArrayOffset*)malloc(softBreakCount * sizeof(UniCharArrayOffset));
ATSUGetSoftLineBreaks(atsuLayout,
kATSUFromTextBeginning,
kATSUToTextEnd,
softBreakCount, softBreaks, &softBreakCount);
UniCharArrayOffset currentDrawOffset = kATSUFromTextBeginning;
unsigned int i = 0;
while (i < softBreakCount) {
ATSUDrawText(atsuLayout, currentDrawOffset, softBreaks[i], FloatToFixed(5.0),
FloatToFixed(windowHeight - 5.0 - (lineHeight * (i + 1.0))));
currentDrawOffset = softBreaks[i];
i++;
}
ATSUDrawText(atsuLayout, currentDrawOffset, kATSUToTextEnd, FloatToFixed(5.0),
FloatToFixed(windowHeight - 5.0 - (lineHeight * (i + 1.0))));
free(unicharBuffer);
free(softBreaks);
#endif
// restore the cgcontext gstate
CGContextRestoreGState(cgContext);
break;
}
case DM_SOLID_COLOR: {
// save the cgcontext gstate
CGContextSaveGState(cgContext);
// we get a flipped context
CGContextTranslateCTM(cgContext, 0.0, windowHeight);
CGContextScaleCTM(cgContext, 1.0, -1.0);
// draw a solid background for the plugin
CGContextAddRect(cgContext, CGRectMake(0, 0, windowWidth, windowHeight));
float r,g,b,a;
GetColorsFromRGBA(instanceData->scriptableObject->drawColor, &r, &g, &b, &a);
CGContextSetRGBFillColor(cgContext, r, g, b, a);
CGContextDrawPath(cgContext, kCGPathFill);
// restore the cgcontext gstate
CGContextRestoreGState(cgContext);
break;
}
}
notifyDidPaint(instanceData);
}
int16_t
pluginHandleEvent(InstanceData* instanceData, void* event)
{
#ifdef USE_COCOA_NPAPI
NPCocoaEvent* cocoaEvent = (NPCocoaEvent*)event;
if (!cocoaEvent)
return 0;
switch (cocoaEvent->type) {
case NPCocoaEventDrawRect:
pluginDraw(instanceData, cocoaEvent);
return 1;
case NPCocoaEventMouseDown:
case NPCocoaEventMouseUp:
case NPCocoaEventMouseMoved:
instanceData->lastMouseX = (int32_t)cocoaEvent->data.mouse.pluginX;
instanceData->lastMouseY = (int32_t)cocoaEvent->data.mouse.pluginY;
return 1;
default:
return 0;
}
#else
EventRecord* carbonEvent = (EventRecord*)event;
if (!carbonEvent)
return 0;
NPWindow* w = &instanceData->window;
switch (carbonEvent->what) {
case updateEvt:
pluginDraw(instanceData);
return 1;
case mouseDown:
case mouseUp:
case osEvt:
{
Rect globalBounds = {0};
WindowRef nativeWindow = static_cast<WindowRef>(static_cast<NP_CGContext*>(w->window)->window);
if (nativeWindow)
::GetWindowBounds(nativeWindow, kWindowStructureRgn, &globalBounds);
instanceData->lastMouseX = carbonEvent->where.h - w->x - globalBounds.left;
instanceData->lastMouseY = carbonEvent->where.v - w->y - globalBounds.top;
return 1;
}
default:
return 0;
}
#endif
}
int32_t pluginGetEdge(InstanceData* instanceData, RectEdge edge)
{
NPWindow* w = &instanceData->window;
switch (edge) {
case EDGE_LEFT:
return w->x;
case EDGE_TOP:
return w->y;
case EDGE_RIGHT:
return w->x + w->width;
case EDGE_BOTTOM:
return w->y + w->height;
}
return NPTEST_INT32_ERROR;
}
int32_t pluginGetClipRegionRectCount(InstanceData* instanceData)
{
return 1;
}
int32_t pluginGetClipRegionRectEdge(InstanceData* instanceData,
int32_t rectIndex, RectEdge edge)
{
if (rectIndex != 0)
return NPTEST_INT32_ERROR;
// We have to add the Cocoa titlebar height here since the clip rect
// is being returned relative to that
static const int COCOA_TITLEBAR_HEIGHT = 22;
NPWindow* w = &instanceData->window;
switch (edge) {
case EDGE_LEFT:
return w->clipRect.left;
case EDGE_TOP:
return w->clipRect.top + COCOA_TITLEBAR_HEIGHT;
case EDGE_RIGHT:
return w->clipRect.right;
case EDGE_BOTTOM:
return w->clipRect.bottom + COCOA_TITLEBAR_HEIGHT;
}
return NPTEST_INT32_ERROR;
}
void pluginDoInternalConsistencyCheck(InstanceData* instanceData, string& error)
{
}