Mac: First steps for default plugin

webkit/default_plugin/plugin_impl_mac.mm

+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "webkit/default_plugin/plugin_impl_mac.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/file_util.h"
+#include "base/path_service.h"
+#include "base/string_util.h"
+#include "googleurl/src/gurl.h"
+#include "grit/webkit_strings.h"
+#include "unicode/locid.h"
+#include "webkit/default_plugin/default_plugin_shared.h"
+#include "webkit/default_plugin/plugin_main.h"
+#include "webkit/glue/webkit_glue.h"
+
+// TODO(thakis): Most methods in this class are stubbed out and need to be
+// implemented.
+
+PluginInstallerImpl::PluginInstallerImpl(int16 mode) {
+}
+
+PluginInstallerImpl::~PluginInstallerImpl() {
+}
+
+bool PluginInstallerImpl::Initialize(void* module_handle, NPP instance,
+                                     NPMIMEType mime_type, int16 argc,
+                                     char* argn[], char* argv[]) {
+  DLOG(INFO) << __FUNCTION__ << " MIME Type : " << mime_type;
+  DCHECK(instance != NULL);
+
+  if (mime_type == NULL || strlen(mime_type) == 0) {
+    DLOG(WARNING) << __FUNCTION__ << " Invalid parameters passed in";
+    NOTREACHED();
+    return false;
+  }
+
+  instance_ = instance;
+  mime_type_ = mime_type;
+
+  return true;
+}
+
+bool PluginInstallerImpl::NPP_SetWindow(NPWindow* window_info) {
+  width_ = window_info->width;
+  height_ = window_info->height;
+  return true;
+}
+
+void PluginInstallerImpl::Shutdown() {
+}
+
+void PluginInstallerImpl::NewStream(NPStream* stream) {
+  plugin_install_stream_ = stream;
+}
+
+void PluginInstallerImpl::DestroyStream(NPStream* stream, NPError reason) {
+  if (stream == plugin_install_stream_)
+    plugin_install_stream_ = NULL;
+}
+
+bool PluginInstallerImpl::WriteReady(NPStream* stream) {
+  bool ready_to_accept_data = false;
+  return ready_to_accept_data;
+}
+
+int32 PluginInstallerImpl::Write(NPStream* stream, int32 offset,
+                                 int32 buffer_length, void* buffer) {
+  return true;
+}
+
+void PluginInstallerImpl::ClearDisplay() {
+}
+
+void PluginInstallerImpl::RefreshDisplay() {
+}
+
+bool PluginInstallerImpl::CreateToolTip() {
+  return true;
+}
+
+void PluginInstallerImpl::UpdateToolTip() {
+}
+
+void PluginInstallerImpl::DisplayAvailablePluginStatus() {
+}
+
+void PluginInstallerImpl::DisplayStatus(int message_resource_id) {
+}
+
+void PluginInstallerImpl::DisplayPluginDownloadFailedStatus() {
+}
+
+void PluginInstallerImpl::URLNotify(const char* url, NPReason reason) {
+}
+
+int16 PluginInstallerImpl::NPP_HandleEvent(void* event) {
+  NPCocoaEvent* npp_event = static_cast<NPCocoaEvent*>(event);
+
+  if (npp_event->type == NPCocoaEventDrawRect) {
+    CGContextRef context = npp_event->data.draw.context;
+    CGRect rect = CGRectMake(npp_event->data.draw.x,
+                             npp_event->data.draw.y,
+                             npp_event->data.draw.width,
+                             npp_event->data.draw.height);
+    return OnDrawRect(context, rect);
+  }
+  return 0;
+}
+
+std::wstring PluginInstallerImpl::ReplaceStringForPossibleEmptyReplacement(
+    int message_id_with_placeholders,
+    int messsage_id_without_placeholders,
+    const std::wstring& replacement_string) {
+  return L"";
+}
+
+void PluginInstallerImpl::DownloadPlugin() {
+}
+
+void PluginInstallerImpl::DownloadCancelled() {
+  DisplayAvailablePluginStatus();
+}
+
+int16 PluginInstallerImpl::OnDrawRect(CGContextRef context, CGRect dirty_rect) {
+  const NSString* text = @"Missing Plug-in";
+  const float kTextMarginX = 6;
+  const float kTextMarginY = 1;
+  NSSize bounds = NSMakeSize(width_, height_);
+
+  [NSGraphicsContext saveGraphicsState];
+  NSGraphicsContext* ns_context = [NSGraphicsContext
+      graphicsContextWithGraphicsPort:context flipped:YES];
+  [NSGraphicsContext setCurrentContext:ns_context];
+
+  NSShadow* shadow = [[[NSShadow alloc] init] autorelease];
+  [shadow setShadowColor:[NSColor colorWithDeviceWhite:0.0 alpha:0.5]];
+  [shadow setShadowOffset:NSMakeSize(0, -1)];
+  NSFont* font = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
+  NSDictionary* attributes = [NSDictionary dictionaryWithObjectsAndKeys:
+      font, NSFontAttributeName,
+      [NSColor whiteColor], NSForegroundColorAttributeName,
+      shadow, NSShadowAttributeName,
+      nil];
+
+  NSSize text_size = [text sizeWithAttributes:attributes];
+  NSRect text_rect;
+  text_rect.size.width = text_size.width + 2*kTextMarginX;
+  text_rect.size.height = text_size.height + 2*kTextMarginY;
+  text_rect.origin.x = (bounds.width - NSWidth(text_rect))/2;
+  text_rect.origin.y = (bounds.height - NSHeight(text_rect))/2;
+
+  [[NSColor colorWithCalibratedWhite:0.52 alpha:1.0] setFill];
+  [[NSBezierPath bezierPathWithRoundedRect:text_rect
+                                   xRadius:NSHeight(text_rect)/2
+                                   yRadius:NSHeight(text_rect)/2] fill];
+
+  NSPoint label_point = NSMakePoint(
+      roundf(text_rect.origin.x + (text_rect.size.width - text_size.width)/2),
+      roundf(text_rect.origin.y + (text_rect.size.height - text_size.height)/2));
+  [text drawAtPoint:label_point withAttributes:attributes];
+  
+  [NSGraphicsContext restoreGraphicsState];
+  return 1;
+}
+
+
+void PluginInstallerImpl::ShowInstallDialog() {
+}
+
+void PluginInstallerImpl::NotifyPluginStatus(int status) {
+  default_plugin::g_browser->getvalue(
+    instance_,
+    static_cast<NPNVariable>(
+        default_plugin::kMissingPluginStatusStart + status),
+    NULL);
+}