eclair snapshot
This commit is contained in:
Jean-Baptiste Queru
423
samples/BrowserPlugin/jni/background/BackgroundPlugin.cpp
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423
samples/BrowserPlugin/jni/background/BackgroundPlugin.cpp
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/*
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* Copyright 2008, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "BackgroundPlugin.h"
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#include "android_npapi.h"
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#include <stdio.h>
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#include <sys/time.h>
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#include <time.h>
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#include <math.h>
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#include <string.h>
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extern NPNetscapeFuncs* browser;
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extern ANPBitmapInterfaceV0 gBitmapI;
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extern ANPCanvasInterfaceV0 gCanvasI;
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extern ANPLogInterfaceV0 gLogI;
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extern ANPPaintInterfaceV0 gPaintI;
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extern ANPSurfaceInterfaceV0 gSurfaceI;
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extern ANPTypefaceInterfaceV0 gTypefaceI;
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#define ARRAY_COUNT(array) (sizeof(array) / sizeof(array[0]))
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static uint32_t getMSecs() {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return (uint32_t) (tv.tv_sec * 1000 + tv.tv_usec / 1000 ); // microseconds to milliseconds
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}
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///////////////////////////////////////////////////////////////////////////////
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BackgroundPlugin::BackgroundPlugin(NPP inst) : SurfaceSubPlugin(inst) {
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// initialize the drawing surface
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m_surface = NULL;
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m_vm = NULL;
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//initialize bitmap transparency variables
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mFinishedStageOne = false;
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mFinishedStageTwo = false;
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mFinishedStageThree = false;
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// test basic plugin functionality
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test_logging(); // android logging
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test_timers(); // plugin timers
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test_bitmaps(); // android bitmaps
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test_domAccess();
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test_javascript();
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}
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BackgroundPlugin::~BackgroundPlugin() { }
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bool BackgroundPlugin::supportsDrawingModel(ANPDrawingModel model) {
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return (model == kSurface_ANPDrawingModel);
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}
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bool BackgroundPlugin::isFixedSurface() {
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return false;
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}
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void BackgroundPlugin::surfaceCreated(JNIEnv* env, jobject surface) {
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env->GetJavaVM(&m_vm);
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m_surface = env->NewGlobalRef(surface);
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}
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void BackgroundPlugin::surfaceChanged(int format, int width, int height) {
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drawPlugin(width, height);
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}
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void BackgroundPlugin::surfaceDestroyed() {
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JNIEnv* env = NULL;
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if (m_surface && m_vm->GetEnv((void**) &env, JNI_VERSION_1_4) == JNI_OK) {
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env->DeleteGlobalRef(m_surface);
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m_surface = NULL;
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}
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}
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void BackgroundPlugin::drawPlugin(int surfaceWidth, int surfaceHeight) {
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// get the plugin's dimensions according to the DOM
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PluginObject *obj = (PluginObject*) inst()->pdata;
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const int W = obj->window->width;
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const int H = obj->window->height;
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// compute the current zoom level
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const float zoomFactorW = static_cast<float>(surfaceWidth) / W;
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const float zoomFactorH = static_cast<float>(surfaceHeight) / H;
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// check to make sure the zoom level is uniform
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if (zoomFactorW + .01 < zoomFactorH && zoomFactorW - .01 > zoomFactorH)
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gLogI.log(inst(), kError_ANPLogType, " ------ %p zoom is out of sync (%f,%f)",
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inst(), zoomFactorW, zoomFactorH);
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// scale the variables based on the zoom level
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const int fontSize = (int)(zoomFactorW * 16);
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const int leftMargin = (int)(zoomFactorW * 10);
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// lock the surface
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ANPBitmap bitmap;
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JNIEnv* env = NULL;
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if (!m_surface || m_vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK ||
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!gSurfaceI.lock(env, m_surface, &bitmap, NULL)) {
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gLogI.log(inst(), kError_ANPLogType, " ------ %p unable to lock the plugin", inst());
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return;
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}
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// create a canvas
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ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
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gCanvasI.drawColor(canvas, 0xFFFFFFFF);
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ANPPaint* paint = gPaintI.newPaint();
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gPaintI.setFlags(paint, gPaintI.getFlags(paint) | kAntiAlias_ANPPaintFlag);
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gPaintI.setColor(paint, 0xFFFF0000);
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gPaintI.setTextSize(paint, fontSize);
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ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
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gPaintI.setTypeface(paint, tf);
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gTypefaceI.unref(tf);
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ANPFontMetrics fm;
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gPaintI.getFontMetrics(paint, &fm);
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gPaintI.setColor(paint, 0xFF0000FF);
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const char c[] = "This is a background plugin.";
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gCanvasI.drawText(canvas, c, sizeof(c)-1, leftMargin, -fm.fTop, paint);
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// clean up variables and unlock the surface
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gPaintI.deletePaint(paint);
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gCanvasI.deleteCanvas(canvas);
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gSurfaceI.unlock(env, m_surface);
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}
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int16 BackgroundPlugin::handleEvent(const ANPEvent* evt) {
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switch (evt->eventType) {
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case kDraw_ANPEventType:
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gLogI.log(inst(), kError_ANPLogType, " ------ %p the plugin did not request draw events", inst());
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break;
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case kLifecycle_ANPEventType:
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if (evt->data.lifecycle.action == kOnLoad_ANPLifecycleAction) {
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gLogI.log(inst(), kDebug_ANPLogType, " ------ %p the plugin received an onLoad event", inst());
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return 1;
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}
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break;
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case kTouch_ANPEventType:
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gLogI.log(inst(), kError_ANPLogType, " ------ %p the plugin did not request touch events", inst());
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break;
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case kKey_ANPEventType:
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gLogI.log(inst(), kError_ANPLogType, " ------ %p the plugin did not request key events", inst());
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break;
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default:
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break;
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}
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return 0; // unknown or unhandled event
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}
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///////////////////////////////////////////////////////////////////////////////
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// LOGGING TESTS
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///////////////////////////////////////////////////////////////////////////////
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void BackgroundPlugin::test_logging() {
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NPP instance = this->inst();
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//LOG_ERROR(instance, " ------ %p Testing Log Error", instance);
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gLogI.log(instance, kError_ANPLogType, " ------ %p Testing Log Error", instance);
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gLogI.log(instance, kWarning_ANPLogType, " ------ %p Testing Log Warning", instance);
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gLogI.log(instance, kDebug_ANPLogType, " ------ %p Testing Log Debug", instance);
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}
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///////////////////////////////////////////////////////////////////////////////
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// TIMER TESTS
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///////////////////////////////////////////////////////////////////////////////
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#define TIMER_INTERVAL 50
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static void timer_oneshot(NPP instance, uint32 timerID);
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static void timer_repeat(NPP instance, uint32 timerID);
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static void timer_neverfires(NPP instance, uint32 timerID);
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static void timer_latency(NPP instance, uint32 timerID);
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void BackgroundPlugin::test_timers() {
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NPP instance = this->inst();
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//Setup the testing counters
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mTimerRepeatCount = 5;
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mTimerLatencyCount = 5;
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// test for bogus timerID
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browser->unscheduletimer(instance, 999999);
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// test one-shot
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browser->scheduletimer(instance, 100, false, timer_oneshot);
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// test repeat
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browser->scheduletimer(instance, 50, true, timer_repeat);
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// test timer latency
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browser->scheduletimer(instance, TIMER_INTERVAL, true, timer_latency);
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mStartTime = mPrevTime = getMSecs();
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// test unschedule immediately
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uint32 id = browser->scheduletimer(instance, 100, false, timer_neverfires);
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browser->unscheduletimer(instance, id);
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// test double unschedule (should be no-op)
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browser->unscheduletimer(instance, id);
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}
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static void timer_oneshot(NPP instance, uint32 timerID) {
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gLogI.log(instance, kDebug_ANPLogType, "-------- oneshot timer\n");
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}
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static void timer_repeat(NPP instance, uint32 timerID) {
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BackgroundPlugin *obj = ((BackgroundPlugin*) ((PluginObject*) instance->pdata)->activePlugin);
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gLogI.log(instance, kDebug_ANPLogType, "-------- repeat timer %d\n",
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obj->mTimerRepeatCount);
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if (--obj->mTimerRepeatCount == 0) {
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browser->unscheduletimer(instance, timerID);
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}
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}
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static void timer_neverfires(NPP instance, uint32 timerID) {
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gLogI.log(instance, kError_ANPLogType, "-------- timer_neverfires!!!\n");
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}
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static void timer_latency(NPP instance, uint32 timerID) {
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BackgroundPlugin *obj = ((BackgroundPlugin*) ((PluginObject*) instance->pdata)->activePlugin);
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obj->mTimerLatencyCurrentCount += 1;
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uint32_t now = getMSecs();
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uint32_t interval = now - obj->mPrevTime;
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uint32_t dur = now - obj->mStartTime;
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uint32_t expectedDur = obj->mTimerLatencyCurrentCount * TIMER_INTERVAL;
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int32_t drift = dur - expectedDur;
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int32_t avgDrift = drift / obj->mTimerLatencyCurrentCount;
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obj->mPrevTime = now;
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gLogI.log(instance, kDebug_ANPLogType,
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"-------- latency test: [%3d] interval %d expected %d, total %d expected %d, drift %d avg %d\n",
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obj->mTimerLatencyCurrentCount, interval, TIMER_INTERVAL, dur,
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expectedDur, drift, avgDrift);
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if (--obj->mTimerLatencyCount == 0) {
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browser->unscheduletimer(instance, timerID);
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// BITMAP TESTS
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///////////////////////////////////////////////////////////////////////////////
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static void test_formats(NPP instance);
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void BackgroundPlugin::test_bitmaps() {
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test_formats(this->inst());
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}
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static void test_formats(NPP instance) {
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// TODO pull names from enum in npapi instead of hardcoding them
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static const struct {
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ANPBitmapFormat fFormat;
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const char* fName;
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} gRecs[] = {
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{ kUnknown_ANPBitmapFormat, "unknown" },
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{ kRGBA_8888_ANPBitmapFormat, "8888" },
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{ kRGB_565_ANPBitmapFormat, "565" },
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};
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ANPPixelPacking packing;
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for (size_t i = 0; i < ARRAY_COUNT(gRecs); i++) {
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if (gBitmapI.getPixelPacking(gRecs[i].fFormat, &packing)) {
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gLogI.log(instance, kDebug_ANPLogType,
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"pixel format [%d] %s has packing ARGB [%d %d] [%d %d] [%d %d] [%d %d]\n",
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gRecs[i].fFormat, gRecs[i].fName,
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packing.AShift, packing.ABits,
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packing.RShift, packing.RBits,
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packing.GShift, packing.GBits,
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packing.BShift, packing.BBits);
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} else {
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gLogI.log(instance, kDebug_ANPLogType,
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"pixel format [%d] %s has no packing\n",
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gRecs[i].fFormat, gRecs[i].fName);
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}
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}
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}
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void BackgroundPlugin::test_bitmap_transparency(const ANPEvent* evt) {
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NPP instance = this->inst();
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// check default & set transparent
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if (!mFinishedStageOne) {
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gLogI.log(instance, kDebug_ANPLogType, "BEGIN: testing bitmap transparency");
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//check to make sure it is not transparent
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if (evt->data.draw.data.bitmap.format == kRGBA_8888_ANPBitmapFormat) {
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gLogI.log(instance, kError_ANPLogType, "bitmap default format is transparent");
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}
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//make it transparent (any non-null value will set it to true)
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bool value = true;
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NPError err = browser->setvalue(instance, NPPVpluginTransparentBool, &value);
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if (err != NPERR_NO_ERROR) {
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gLogI.log(instance, kError_ANPLogType, "Error setting transparency.");
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}
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mFinishedStageOne = true;
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browser->invalidaterect(instance, NULL);
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}
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// check transparent & set opaque
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else if (!mFinishedStageTwo) {
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//check to make sure it is transparent
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if (evt->data.draw.data.bitmap.format != kRGBA_8888_ANPBitmapFormat) {
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gLogI.log(instance, kError_ANPLogType, "bitmap did not change to transparent format");
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}
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//make it opaque
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NPError err = browser->setvalue(instance, NPPVpluginTransparentBool, NULL);
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if (err != NPERR_NO_ERROR) {
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gLogI.log(instance, kError_ANPLogType, "Error setting transparency.");
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}
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mFinishedStageTwo = true;
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}
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// check opaque
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else if (!mFinishedStageThree) {
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//check to make sure it is not transparent
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if (evt->data.draw.data.bitmap.format == kRGBA_8888_ANPBitmapFormat) {
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gLogI.log(instance, kError_ANPLogType, "bitmap default format is transparent");
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}
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gLogI.log(instance, kDebug_ANPLogType, "END: testing bitmap transparency");
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mFinishedStageThree = true;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// DOM TESTS
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///////////////////////////////////////////////////////////////////////////////
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void BackgroundPlugin::test_domAccess() {
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NPP instance = this->inst();
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gLogI.log(instance, kDebug_ANPLogType, " ------ %p Testing DOM Access", instance);
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// Get the plugin's DOM object
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NPObject* windowObject = NULL;
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browser->getvalue(instance, NPNVWindowNPObject, &windowObject);
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if (!windowObject)
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gLogI.log(instance, kError_ANPLogType, " ------ %p Unable to retrieve DOM Window", instance);
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// Retrieve a property from the plugin's DOM object
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NPIdentifier topIdentifier = browser->getstringidentifier("top");
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NPVariant topObjectVariant;
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browser->getproperty(instance, windowObject, topIdentifier, &topObjectVariant);
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if (topObjectVariant.type != NPVariantType_Object)
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gLogI.log(instance, kError_ANPLogType, " ------ %p Invalid Variant type for DOM Property: %d,%d", instance, topObjectVariant.type, NPVariantType_Object);
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}
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///////////////////////////////////////////////////////////////////////////////
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// JAVASCRIPT TESTS
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///////////////////////////////////////////////////////////////////////////////
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void BackgroundPlugin::test_javascript() {
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NPP instance = this->inst();
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gLogI.log(instance, kDebug_ANPLogType, " ------ %p Testing JavaScript Access", instance);
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// Get the plugin's DOM object
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NPObject* windowObject = NULL;
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browser->getvalue(instance, NPNVWindowNPObject, &windowObject);
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if (!windowObject)
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gLogI.log(instance, kError_ANPLogType, " ------ %p Unable to retrieve DOM Window", instance);
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// create a string (JS code) that is stored in memory allocated by the browser
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const char* jsString = "1200 + 34";
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void* stringMem = browser->memalloc(strlen(jsString));
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memcpy(stringMem, jsString, strlen(jsString));
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// execute the javascript in the plugin's DOM object
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NPString script = { (char*)stringMem, strlen(jsString) };
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NPVariant scriptVariant;
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if (!browser->evaluate(instance, windowObject, &script, &scriptVariant))
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gLogI.log(instance, kError_ANPLogType, " ------ %p Unable to eval the JS.", instance);
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if (scriptVariant.type == NPVariantType_Int32) {
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if (scriptVariant.value.intValue != 1234)
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gLogI.log(instance, kError_ANPLogType, " ------ %p Invalid Value for JS Return: %d,1234", instance, scriptVariant.value.intValue);
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} else {
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gLogI.log(instance, kError_ANPLogType, " ------ %p Invalid Variant type for JS Return: %d,%d", instance, scriptVariant.type, NPVariantType_Int32);
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}
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// free the memory allocated within the browser
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browser->memfree(stringMem);
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}
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