path: root/dom/plugins/test/testplugin/nptest_macosx.mm

/* ***** 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 "nsAlgorithm.h"
#include <CoreServices/CoreServices.h>
#include <algorithm>

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;
  }

  NPBool supportsCocoaEvents = false;
  if ((NPN_GetValue(npp, NPNVsupportsCocoaBool, &supportsCocoaEvents) == NPERR_NO_ERROR) &&
      supportsCocoaEvents) {
    NPN_SetValue(npp, NPPVpluginEventModel, (void*)NPEventModelCocoa);
    instanceData->eventModel = NPEventModelCocoa;
  } else {
    printf("Cocoa event model not supported, can't create a plugin instance.\n");
    return NPERR_INCOMPATIBLE_VERSION_ERROR;
  }

  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 nsPluginFrame::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(uint32_t 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 pluginDraw(InstanceData* instanceData, NPCocoaEvent* event) {
  if (!instanceData) return;

  notifyDidPaint(instanceData);

  NPP npp = instanceData->npp;
  if (!npp) return;

  const char* uaString = NPN_UserAgent(npp);
  if (!uaString) return;

  NPWindow window = instanceData->window;

  CGContextRef cgContext = event->data.draw.context;

  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);

      // draw the UA string using Core Text
      CGContextSetTextMatrix(cgContext, CGAffineTransformIdentity);

      // Initialize a rectangular path.
      CGMutablePathRef path = CGPathCreateMutable();
      CGRect bounds = CGRectMake(10.0, 10.0, std::max(0.0, windowWidth - 20.0),
                                 std::max(0.0, 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);
      if (frame) {
        CTFrameDraw(frame, cgContext);
        CFRelease(frame);
      }

      // 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;
    }
  }
}

int16_t pluginHandleEvent(InstanceData* instanceData, void* event) {
  NPCocoaEvent* cocoaEvent = (NPCocoaEvent*)event;
  if (!cocoaEvent) return kNPEventNotHandled;

  switch (cocoaEvent->type) {
    case NPCocoaEventDrawRect:
      pluginDraw(instanceData, cocoaEvent);
      break;
    case NPCocoaEventMouseDown:
    case NPCocoaEventMouseUp:
    case NPCocoaEventMouseMoved:
    case NPCocoaEventMouseDragged:
      instanceData->lastMouseX = (int32_t)cocoaEvent->data.mouse.pluginX;
      instanceData->lastMouseY = (int32_t)cocoaEvent->data.mouse.pluginY;
      if (cocoaEvent->type == NPCocoaEventMouseUp) {
        instanceData->mouseUpEventCount++;
      }
      break;
    case NPCocoaEventWindowFocusChanged:
      instanceData->topLevelWindowActivationState = cocoaEvent->data.focus.hasFocus
                                                        ? ACTIVATION_STATE_ACTIVATED
                                                        : ACTIVATION_STATE_DEACTIVATED;
      instanceData->topLevelWindowActivationEventCount =
          instanceData->topLevelWindowActivationEventCount + 1;
      break;
    case NPCocoaEventFocusChanged:
      instanceData->focusState = cocoaEvent->data.focus.hasFocus ? ACTIVATION_STATE_ACTIVATED
                                                                 : ACTIVATION_STATE_DEACTIVATED;
      instanceData->focusEventCount = instanceData->focusEventCount + 1;
      break;
    default:
      return kNPEventNotHandled;
  }

  return kNPEventHandled;
}

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;
  }
  MOZ_CRASH("Unexpected RectEdge?!");
}

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;
  }
  MOZ_CRASH("Unexpected RectEdge?!");
}

void pluginDoInternalConsistencyCheck(InstanceData* instanceData, std::string& error) {}