Index: content/renderer/gpu/actions_runner.cc |
diff --git a/content/renderer/gpu/actions_runner.cc b/content/renderer/gpu/actions_runner.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..677d579f7ee9f20462883e6dab591635ccd30bf7 |
--- /dev/null |
+++ b/content/renderer/gpu/actions_runner.cc |
@@ -0,0 +1,208 @@ |
+// Copyright (c) 2016 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 "content/renderer/gpu/actions_runner.h" |
+ |
+#include "base/format_macros.h" |
+#include "base/memory/ptr_util.h" |
+#include "base/strings/stringprintf.h" |
+#include "base/values.h" |
+ |
+namespace content { |
+ |
+namespace { |
+ |
+SyntheticPointerActionParams::PointerActionType ToSyntheticPointerActionType( |
+ std::string action_type) { |
+ if (action_type == "pointerDown") |
+ return SyntheticPointerActionParams::PointerActionType::PRESS; |
+ if (action_type == "pointerMove") |
+ return SyntheticPointerActionParams::PointerActionType::MOVE; |
+ if (action_type == "pointerUp") |
+ return SyntheticPointerActionParams::PointerActionType::RELEASE; |
+ if (action_type == "pause") |
+ return SyntheticPointerActionParams::PointerActionType::IDLE; |
+ NOTREACHED() << "Invalid SyntheticPointerActionParams::PointerActionType."; |
+ return SyntheticPointerActionParams::PointerActionType::NOT_INITIALIZED; |
+} |
+ |
+SyntheticGestureParams::GestureSourceType ToSyntheticGestureSourceType( |
+ std::string source_type) { |
+ if (source_type == "touch") |
+ return SyntheticGestureParams::TOUCH_INPUT; |
+ else if (source_type == "mouse") |
+ return SyntheticGestureParams::MOUSE_INPUT; |
+ else |
+ return SyntheticGestureParams::DEFAULT_INPUT; |
+} |
+ |
+} // namespace |
+ |
+ActionsRunner::ActionsRunner(base::Value* value) |
+ : longest_action_sequence_(0), value_(value), index_(0) {} |
+ |
+ActionsRunner::~ActionsRunner() {} |
+ |
+bool ActionsRunner::ParseSources() { |
+ const base::DictionaryValue* actions; |
+ if (!value_->GetAsDictionary(&actions)) { |
+ error_message_ = |
+ base::StringPrintf("actions is missing or not a dictionary"); |
+ return false; |
+ } |
+ |
+ std::string source_type; |
+ if (!actions->GetString("source", &source_type)) { |
+ error_message_ = |
+ base::StringPrintf("source type is missing or not a string"); |
+ return false; |
+ } else if (source_type != "touch" && source_type != "mouse" && |
+ source_type != "pointer") { |
+ error_message_ = |
+ base::StringPrintf("source type is an unsupported input source"); |
+ return false; |
+ } |
+ |
+#if defined(OS_MACOSX) |
+ if (source_type == "touch") { |
+ error_message_ = |
+ base::StringPrintf("Mac OS does not support touch events"); |
+ return false; |
+ } |
+#endif // defined(OS_MACOSX) |
+ |
+ const base::ListValue* pointer_list; |
+ if (!actions->GetList("pointer", &pointer_list)) { |
+ error_message_ = |
+ base::StringPrintf("pointer_list is missing or not a list"); |
+ return false; |
+ } |
+ |
+ for (i = 0; i < pointer_list->GetSize(); i++) { |
+ const base::DictionaryValue* pointer_actions; |
+ if (!pointer_list->GetDictionary(i, &pointer_actions)) { |
+ error_message_ = |
+ base::StringPrintf("pointer actions is missing or not a dictionary"); |
+ return false; |
+ } else if (!ParsePointerActions(*pointer_actions)) { |
+ return false; |
+ } |
+ } |
+ |
+ if (!gesture_params_) |
+ gesture_params_ = base::MakeUnique<SyntheticPointerActionListParams>(); |
+ |
+ gesture_params_->gesture_source_type = |
+ ToSyntheticGestureSourceType(source_type); |
+ // Group a list of actions from all pointers into a |
+ // SyntheticPointerActionListParams object, which is a list of actions, which |
+ // will be dispatched together. |
+ for (size_t action_index = 0; action_index < longest_action_sequence_; |
+ ++action_index) { |
+ SyntheticPointerActionListParams::ParamList param_list; |
+ for (size_t pointer_index = 0; pointer_index < ids_.size(); |
+ ++pointer_index) { |
+ if (pointer_actions_list_[pointer_index].size() > action_index) |
+ param_list.push_back( |
+ pointer_actions_list_[pointer_index][action_index]); |
+ } |
+ gesture_params_->PushPointerActionParamsList(param_list); |
+ } |
+ |
+ return true; |
+} |
+ |
+bool ActionsRunner::ParsePointerActions( |
+ const base::DictionaryValue& pointer_actions) { |
+ if (!pointer_actions.GetInteger("id", &index_)) { |
+ error_message_ = |
+ base::StringPrintf("actions[%" PRIuS "].id is missing or not a int", i); |
+ return false; |
+ } else if (ids_.find(index_) != ids_.end()) { |
+ error_message_ = |
+ base::StringPrintf("actions[%" PRIuS "].id is not unique", i); |
+ return false; |
+ } |
+ ids_.insert(index_); |
+ |
+ const base::ListValue* actions; |
+ if (!pointer_actions.GetList("actions", &actions)) { |
+ error_message_ = base::StringPrintf( |
+ "actions[%" PRIuS "].actions is missing or not a list", i); |
+ return false; |
+ } |
+ |
+ if (actions->GetSize() > longest_action_sequence_) |
+ longest_action_sequence_ = actions->GetSize(); |
+ if (!ParseActions(*actions)) |
+ return false; |
+ |
+ return true; |
+} |
+ |
+bool ActionsRunner::ParseActions(const base::ListValue& actions) { |
+ SyntheticPointerActionListParams::ParamList param_list; |
+ for (j = 0; j < actions.GetSize(); j++) { |
+ const base::DictionaryValue* action; |
+ if (!actions.GetDictionary(j, &action)) { |
+ error_message_ = base::StringPrintf("actions[%" PRIuS "].actions[%" PRIuS |
+ "] is missing or not a dictionary", |
+ i, j); |
+ return false; |
+ } else if (!ParseAction(*action, param_list)) { |
+ return false; |
+ } |
+ } |
+ pointer_actions_list_.push_back(param_list); |
+ return true; |
+} |
+ |
+bool ActionsRunner::ParseAction( |
+ const base::DictionaryValue& action, |
+ SyntheticPointerActionListParams::ParamList& param_list) { |
+ SyntheticPointerActionParams::PointerActionType pointer_action_type = |
+ SyntheticPointerActionParams::PointerActionType::NOT_INITIALIZED; |
+ std::string name; |
+ if (!action.GetString("name", &name)) { |
+ error_message_ = base::StringPrintf("actions[%" PRIuS "].actions[%" PRIuS |
+ "].name is missing or not a string", |
+ i, j); |
+ return false; |
+ } |
+ if (name != "pointerDown" && name != "pointerUp" && name != "pointerMove" && |
+ name != "pause") { |
+ error_message_ = base::StringPrintf("actions[%" PRIuS "].actions[%" PRIuS |
+ "].name is an unsupported action name", |
+ i, j); |
+ return false; |
+ } |
+ pointer_action_type = ToSyntheticPointerActionType(name); |
+ |
+ double position_x = 0; |
+ double position_y = 0; |
+ if (action.HasKey("x") && !action.GetDouble("x", &position_x)) { |
+ error_message_ = base::StringPrintf( |
+ "actions[%" PRIuS "].actions[%" PRIuS "].x is not a number", i, j); |
+ return false; |
+ } |
+ |
+ if (action.HasKey("y") && !action.GetDouble("y", &position_y)) { |
+ error_message_ = base::StringPrintf( |
+ "actions[%" PRIuS "].actions[%" PRIuS "].y is not a number", i, j); |
+ return false; |
+ } |
+ |
+ SyntheticPointerActionParams action_param(pointer_action_type); |
+ action_param.set_index(index_); |
+ if (pointer_action_type == |
+ SyntheticPointerActionParams::PointerActionType::PRESS || |
+ pointer_action_type == |
+ SyntheticPointerActionParams::PointerActionType::MOVE) { |
+ action_param.set_position(gfx::PointF(position_x, position_y)); |
+ } |
+ param_list.push_back(action_param); |
+ return true; |
+} |
+ |
+} // namespace content |